SEAKEEPING ANALSIS 5 table for graph.dotx.docx

Bentley Motions: full-hull-msd-file
Motions 20.00.02.31, build: 31
C:\BUET LECTURE\AK 43\3. stability\Length 40m\SEAKeeping\full-hull-msd-file.msd
C:\BUET LECTURE\AK 43\3. stability\Length 40m\SEAKeeping\Final\Motion results 3.skd
Strip theory

Spectra
Name Type Char. height [m] Modal period [s] Average period [s] Zero crossing period [s] Peak enhancement fact. Char. wind speed [kn] Char. height 2 [m] Modal period 2 [s] Shape param. 1 Shape param. 2 m0 [m^2] Analyse
Beaufort-1 JONSWAP 0.300 9.962 s 8.342 s 7.851 s 3.30 0.006 1
Beaufort-2 JONSWAP 0.600 9.981 s 8.358 s 7.866 s 3.30 0.023 1
Beaufort-3 JONSWAP 1.200 9.972 s 8.350 s 7.858 s 3.30 0.090 1
Beaufort-4 JONSWAP 2.000 9.981 s 8.358 s 7.866 s 3.30 0.251 1

Locations
Name Long. Pos. [m] Offset [m] Height [m] Long. Pos. from CG [m] Offset from CG [m] Height from CG [m] MII slide friction coeff. MII tip fore/aft. stance coeff. MII tip side/side. stance coeff. Exposure time for MSI [min.]
passenger deck aft 10.01 0.00 6.00 -6.92 0.00 2.79 0.70 0.17 0.25 60
passenger deck forward 30.01 0.00 6.00 13.08 0.00 2.79 0.70 0.17 0.25 60
Bridge deck 30.01 0.00 8.30 13.08 0.00 5.10 0.70 0.17 0.25 60

Speeds
Name Speed [kn] Analyse
Design Speed 17.000 1
Trial Speed 18.000 1

Headings
Name Heading [rad] Analyse
Head sea 0.00 1
0.35 1
0.62 1
0.88 1
1.15 1
1.77 1
beam seea 2.04 1
2.30 1
2.92 1
3.19 1
3.45 1
3.72 1
Following sea 4.07 1
4.34 1
4.60 1
4.87 1
5.49 1
5.75 1
6.02 1

Summary table
Design Speed, 17 kn; Head sea, 0 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.956 s -- -- -- -- --
Characteristic wave height 0.300 m -- -- -- -- --

Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Spectrum type JONSWAP -- -- -- -- --
Wave heading 0.000 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.006 m^2 0.075 m 0.150 m 9.960 (0.63) 8.340 (0.75) 7.849 (0.80) s (rad/s)
Encountered wave spectrum 0.006 m^2 0.075 m 0.150 m 22.413 (0.28) 34.554 (0.18) 15.294 (0.41) s (rad/s)
Added resistance 0.396 kN -- -- 22.413 (0.28) 39.327 (0.16) 19.960 (0.31) s (rad/s)
Heave motion 0.005 m^2 0.070 m 0.141 m 22.413 (0.28) 27.023 (0.23) 21.275 (0.30) s (rad/s)
Roll motion 0.00000 rad^2 0.00000 rad 0.00000 rad 22.413 (0.28) -8.769 (-0.72) 5.137 (1.22) s (rad/s)
Pitch motion 0.00003 rad^2 0.00584 rad 0.01169 rad 22.413 (0.28) 51.193 (0.12) 30.082 (0.21) s (rad/s)
Heave velocity 0.000 m^2/s^2 0.021 m/s 0.042 m/s 22.413 (0.28) -24.847 (-0.25) 6.460 (0.97) s (rad/s)
Roll velocity 0.00000 (rad/s)^2 0.00000 rad/s 0.00000 rad/s 22.413 (0.28) -3.507 (-1.79) 3.431 (1.83) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00122 rad/s 0.00244 rad/s 22.413 (0.28) -98.484 (-0.06) 8.888 (0.71) s (rad/s)
Heave acceleration 0.000 m^2/s^4 0.020 m/s^2 0.040 m/s^2 22.413 (0.28) -3.223 (-1.95) 2.999 (2.10) s (rad/s)
Roll acceleration 0.00000 (rad/s/s)^2 0.00000 rad/s/s 0.00000 rad/s/s 22.413 (0.28) -3.252 (-1.93) 3.118 (2.02) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00086 rad/s/s 0.00173 rad/s/s 22.413 (0.28) -3.398 (-1.85) 3.043 (2.06) s (rad/s)
passenger deck aft: Abs. vert. motion 0.004 m^2 0.067 m 0.134 m 22.413 (0.28) 34.241 (0.18) 20.101 (0.31) s (rad/s)
passenger deck aft: Rel. vert. motion 0.004 m^2 0.063 m 0.127 m 22.413 (0.28) -5237.163 (0.00) 13.329 (0.47) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.000 m^2/s^2 0.021 m/s 0.042 m/s 22.413 (0.28) -10.699 (-0.59) 5.135 (1.22) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.001 m^2/s^2 0.030 m/s 0.060 m/s 22.413 (0.28) -1.923 (-3.27) 1.498 (4.19) s (rad/s)
passenger deck aft: Abs. vert. accel 0.001 m^2/s^4 0.026 m/s^2 0.051 m/s^2 22.413 (0.28) -3.104 (-2.02) 2.943 (2.13) s (rad/s)
passenger deck aft: Rel. vert. accel 0.016 m^2/s^4 0.125 m/s^2 0.250 m/s^2 22.413 (0.28) -0.986 (-6.37) 0.941 (6.68) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.016 m 0.033 m 22.413 (0.28) 50.989 (0.12) 30.077 (0.21) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.007 m/s 22.413 (0.28) -100.708 (-0.06) 8.903 (0.71) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.002 m/s^2 0.005 m/s^2 22.413 (0.28) -3.402 (-1.85) 3.045 (2.06) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.000 m 0.000 m 22.413 (0.28) -8.771 (-0.72) 5.140 (1.22) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.000 m/s 0.000 m/s 22.413 (0.28) -3.510 (-1.79) 3.434 (1.83) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.000 m/s^2 0.000 m/s^2 22.413 (0.28) -3.255 (-1.93) 3.120 (2.01) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.033 SM 0.000 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.015 m^2 0.122 m 0.244 m 22.413 (0.28) 32.316 (0.19) 26.801 (0.23) s (rad/s)
passenger deck forward: Rel. vert. motion 0.018 m^2 0.136 m 0.272 m 22.413 (0.28) 44.516 (0.14) 22.816 (0.28) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.001 m^2/s^2 0.029 m/s 0.057 m/s 22.413 (0.28) 35.620 (0.18) 15.060 (0.42) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.001 m^2/s^2 0.037 m/s 0.075 m/s 22.413 (0.28) -3.617 (-1.74) 1.938 (3.24) s (rad/s)
passenger deck forward: Abs. vert. accel 0.000 m^2/s^4 0.012 m/s^2 0.024 m/s^2 22.413 (0.28) -5.416 (-1.16) 3.784 (1.66) s (rad/s)
passenger deck forward: Rel. vert. accel 0.015 m^2/s^4 0.121 m/s^2 0.243 m/s^2 22.413 (0.28) -0.973 (-6.46) 0.933 (6.74) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.016 m 0.033 m 22.413 (0.28) 50.989 (0.12) 30.077 (0.21) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.007 m/s 22.413 (0.28) -100.708 (-0.06) 8.903 (0.71) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.002 m/s^2 0.005 m/s^2 22.413 (0.28) -3.402 (-1.85) 3.045 (2.06) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.000 m 0.000 m 22.413 (0.28) -8.771 (-0.72) 5.140 (1.22) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.000 m/s 0.000 m/s 22.413 (0.28) -3.510 (-1.79) 3.434 (1.83) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.000 m/s^2 0.000 m/s^2 22.413 (0.28) -3.255 (-1.93) 3.120 (2.01) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.006 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.015 m^2 0.122 m 0.244 m 22.413 (0.28) 32.316 (0.19) 26.801 (0.23) s (rad/s)
Bridge deck: Rel. vert. motion 0.018 m^2 0.136 m 0.272 m 22.413 (0.28) 44.516 (0.14) 22.816 (0.28) s (rad/s)
Bridge deck: Abs. vert. velocity 0.001 m^2/s^2 0.029 m/s 0.057 m/s 22.413 (0.28) 35.620 (0.18) 15.060 (0.42) s (rad/s)
Bridge deck: Rel. vert. velocity 0.001 m^2/s^2 0.037 m/s 0.075 m/s 22.413 (0.28) -3.617 (-1.74) 1.938 (3.24) s (rad/s)
Bridge deck: Abs. vert. accel 0.000 m^2/s^4 0.012 m/s^2 0.024 m/s^2 22.413 (0.28) -5.416 (-1.16) 3.784 (1.66) s (rad/s)
Bridge deck: Rel. vert. accel 0.015 m^2/s^4 0.121 m/s^2 0.243 m/s^2 22.413 (0.28) -0.973 (-6.46) 0.933 (6.74) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.001 m^2 0.030 m 0.060 m 22.413 (0.28) 50.989 (0.12) 30.077 (0.21) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.006 m/s 0.012 m/s 22.413 (0.28) -100.708 (-0.06) 8.903 (0.71) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.004 m/s^2 0.009 m/s^2 22.413 (0.28) -3.402 (-1.85) 3.045 (2.06) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.000 m 0.000 m 22.413 (0.28) -8.771 (-0.72) 5.140 (1.22) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.000 m/s 0.000 m/s 22.413 (0.28) -3.510 (-1.79) 3.434 (1.83) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.000 m/s^2 0.000 m/s^2 22.413 (0.28) -3.255 (-1.93) 3.120 (2.01) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.006 SM 0.000 % 0.000 % -- -- --

Design Speed, 17 kn; Head sea, 0 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --

Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 0.000 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 22.413 (0.28) 34.413 (0.18) 15.344 (0.41) s (rad/s)
Added resistance 1.581 kN -- -- 22.413 (0.28) 39.214 (0.16) 19.979 (0.31) s (rad/s)
Heave motion 0.020 m^2 0.141 m 0.282 m 22.413 (0.28) 26.981 (0.23) 21.286 (0.30) s (rad/s)
Roll motion 0.00000 rad^2 0.00000 rad 0.00000 rad 22.413 (0.28) -8.799 (-0.71) 5.144 (1.22) s (rad/s)
Pitch motion 0.00014 rad^2 0.01166 rad 0.02332 rad 22.413 (0.28) 51.112 (0.12) 30.072 (0.21) s (rad/s)
Heave velocity 0.002 m^2/s^2 0.042 m/s 0.083 m/s 22.413 (0.28) -25.247 (-0.25) 6.482 (0.97) s (rad/s)
Roll velocity 0.00000 (rad/s)^2 0.00000 rad/s 0.00000 rad/s 22.413 (0.28) -3.507 (-1.79) 3.431 (1.83) s (rad/s)
Pitch velocity 0.00001 (rad/s)^2 0.00244 rad/s 0.00487 rad/s 22.413 (0.28) -100.049 (-0.06) 8.899 (0.71) s (rad/s)
Heave acceleration 0.002 m^2/s^4 0.040 m/s^2 0.081 m/s^2 22.413 (0.28) -3.226 (-1.95) 3.000 (2.09) s (rad/s)
Roll acceleration 0.00000 (rad/s/s)^2 0.00000 rad/s/s 0.00000 rad/s/s 22.413 (0.28) -3.253 (-1.93) 3.119 (2.01) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00172 rad/s/s 0.00344 rad/s/s 22.413 (0.28) -3.400 (-1.85) 3.044 (2.06) s (rad/s)
passenger deck aft: Abs. vert. motion 0.018 m^2 0.134 m 0.267 m 22.413 (0.28) 34.113 (0.18) 20.119 (0.31) s (rad/s)
passenger deck aft: Rel. vert. motion 0.016 m^2 0.126 m 0.253 m 22.413 (0.28) -8286.629 (0.00) 13.356 (0.47) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.002 m^2/s^2 0.042 m/s 0.083 m/s 22.413 (0.28) -10.796 (-0.58) 5.150 (1.22) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.004 m^2/s^2 0.059 m/s 0.119 m/s 22.413 (0.28) -1.933 (-3.25) 1.506 (4.17) s (rad/s)
passenger deck aft: Abs. vert. accel 0.003 m^2/s^4 0.051 m/s^2 0.102 m/s^2 22.413 (0.28) -3.106 (-2.02) 2.945 (2.13) s (rad/s)
passenger deck aft: Rel. vert. accel 0.062 m^2/s^4 0.248 m/s^2 0.496 m/s^2 22.413 (0.28) -0.991 (-6.34) 0.946 (6.64) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.001 m^2 0.033 m 0.065 m 22.413 (0.28) 50.908 (0.12) 30.066 (0.21) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.007 m/s 0.014 m/s 22.413 (0.28) -102.340 (-0.06) 8.915 (0.70) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.005 m/s^2 0.010 m/s^2 22.413 (0.28) -3.404 (-1.85) 3.046 (2.06) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.000 m 0.000 m 22.413 (0.28) -8.801 (-0.71) 5.146 (1.22) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.000 m/s 0.000 m/s 22.413 (0.28) -3.511 (-1.79) 3.434 (1.83) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.000 m/s^2 0.000 m/s^2 22.413 (0.28) -3.255 (-1.93) 3.121 (2.01) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.088 SM 0.004 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.059 m^2 0.243 m 0.487 m 22.413 (0.28) 32.260 (0.19) 26.779 (0.23) s (rad/s)
passenger deck forward: Rel. vert. motion 0.073 m^2 0.271 m 0.542 m 22.413 (0.28) 44.433 (0.14) 22.838 (0.28) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.003 m^2/s^2 0.057 m/s 0.114 m/s 22.413 (0.28) 35.480 (0.18) 15.089 (0.42) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.006 m^2/s^2 0.075 m/s 0.149 m/s 22.413 (0.28) -3.649 (-1.72) 1.950 (3.22) s (rad/s)
passenger deck forward: Abs. vert. accel 0.001 m^2/s^4 0.024 m/s^2 0.048 m/s^2 22.413 (0.28) -5.437 (-1.16) 3.790 (1.66) s (rad/s)
passenger deck forward: Rel. vert. accel 0.058 m^2/s^4 0.240 m/s^2 0.481 m/s^2 22.413 (0.28) -0.977 (-6.43) 0.937 (6.71) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.001 m^2 0.033 m 0.065 m 22.413 (0.28) 50.908 (0.12) 30.066 (0.21) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.007 m/s 0.014 m/s 22.413 (0.28) -102.340 (-0.06) 8.915 (0.70) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.005 m/s^2 0.010 m/s^2 22.413 (0.28) -3.404 (-1.85) 3.046 (2.06) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.000 m 0.000 m 22.413 (0.28) -8.801 (-0.71) 5.146 (1.22) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.000 m/s 0.000 m/s 22.413 (0.28) -3.511 (-1.79) 3.434 (1.83) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.000 m/s^2 0.000 m/s^2 22.413 (0.28) -3.255 (-1.93) 3.121 (2.01) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.016 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.059 m^2 0.243 m 0.487 m 22.413 (0.28) 32.260 (0.19) 26.779 (0.23) s (rad/s)
Bridge deck: Rel. vert. motion 0.073 m^2 0.271 m 0.542 m 22.413 (0.28) 44.433 (0.14) 22.838 (0.28) s (rad/s)
Bridge deck: Abs. vert. velocity 0.003 m^2/s^2 0.057 m/s 0.114 m/s 22.413 (0.28) 35.480 (0.18) 15.089 (0.42) s (rad/s)
Bridge deck: Rel. vert. velocity 0.006 m^2/s^2 0.075 m/s 0.149 m/s 22.413 (0.28) -3.649 (-1.72) 1.950 (3.22) s (rad/s)
Bridge deck: Abs. vert. accel 0.001 m^2/s^4 0.024 m/s^2 0.048 m/s^2 22.413 (0.28) -5.437 (-1.16) 3.790 (1.66) s (rad/s)
Bridge deck: Rel. vert. accel 0.058 m^2/s^4 0.240 m/s^2 0.481 m/s^2 22.413 (0.28) -0.977 (-6.43) 0.937 (6.71) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.004 m^2 0.059 m 0.119 m 22.413 (0.28) 50.908 (0.12) 30.066 (0.21) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.012 m/s 0.025 m/s 22.413 (0.28) -102.340 (-0.06) 8.915 (0.70) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.009 m/s^2 0.018 m/s^2 22.413 (0.28) -3.404 (-1.85) 3.046 (2.06) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.000 m 0.000 m 22.413 (0.28) -8.801 (-0.71) 5.146 (1.22) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.000 m/s 0.000 m/s 22.413 (0.28) -3.511 (-1.79) 3.434 (1.83) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.000 m/s^2 0.000 m/s^2 22.413 (0.28) -3.255 (-1.93) 3.121 (2.01) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.016 SM 0.000 % 0.000 % -- -- --

Design Speed, 17 kn; Head sea, 0 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.965 s -- -- -- -- --
Characteristic wave height 1.200 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 0.000 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.090 m^2 0.300 m 0.601 m 9.969 (0.63) 8.348 (0.75) 7.856 (0.80) s (rad/s)
Encountered wave spectrum 0.090 m^2 0.300 m 0.601 m 22.413 (0.28) 34.488 (0.18) 15.318 (0.41) s (rad/s)
Added resistance 6.334 kN -- -- 22.413 (0.28) 39.275 (0.16) 19.969 (0.31) s (rad/s)
Heave motion 0.079 m^2 0.282 m 0.563 m 22.413 (0.28) 27.007 (0.23) 21.275 (0.30) s (rad/s)
Roll motion 0.00000 rad^2 0.00000 rad 0.00000 rad 22.413 (0.28) -8.790 (-0.71) 5.141 (1.22) s (rad/s)
Pitch motion 0.00055 rad^2 0.02335 rad 0.04670 rad 22.413 (0.28) 51.157 (0.12) 30.074 (0.21) s (rad/s)
Heave velocity 0.007 m^2/s^2 0.083 m/s 0.166 m/s 22.413 (0.28) -24.946 (-0.25) 6.465 (0.97) s (rad/s)
Roll velocity 0.00000 (rad/s)^2 0.00000 rad/s 0.00000 rad/s 22.413 (0.28) -3.506 (-1.79) 3.430 (1.83) s (rad/s)
Pitch velocity 0.00002 (rad/s)^2 0.00488 rad/s 0.00976 rad/s 22.413 (0.28) -98.566 (-0.06) 8.887 (0.71) s (rad/s)
Heave acceleration 0.007 m^2/s^4 0.081 m/s^2 0.162 m/s^2 22.413 (0.28) -3.225 (-1.95) 3.000 (2.09) s (rad/s)
Roll acceleration 0.00000 (rad/s/s)^2 0.00000 rad/s/s 0.00000 rad/s/s 22.413 (0.28) -3.251 (-1.93) 3.118 (2.02) s (rad/s)
Pitch acceleration 0.00001 (rad/s/s)^2 0.00345 rad/s/s 0.00690 rad/s/s 22.413 (0.28) -3.399 (-1.85) 3.044 (2.06) s (rad/s)
passenger deck aft: Abs. vert. motion 0.071 m^2 0.267 m 0.535 m 22.413 (0.28) 34.190 (0.18) 20.101 (0.31) s (rad/s)
passenger deck aft: Rel. vert. motion 0.064 m^2 0.253 m 0.506 m 22.413 (0.28) -5945.909 (0.00) 13.338 (0.47) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.007 m^2/s^2 0.084 m/s 0.167 m/s 22.413 (0.28) -10.724 (-0.59) 5.138 (1.22) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.014 m^2/s^2 0.119 m/s 0.238 m/s 22.413 (0.28) -1.928 (-3.26) 1.502 (4.18) s (rad/s)
passenger deck aft: Abs. vert. accel 0.010 m^2/s^4 0.102 m/s^2 0.204 m/s^2 22.413 (0.28) -3.105 (-2.02) 2.945 (2.13) s (rad/s)
passenger deck aft: Rel. vert. accel 0.249 m^2/s^4 0.499 m/s^2 0.997 m/s^2 22.413 (0.28) -0.989 (-6.35) 0.943 (6.66) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.004 m^2 0.065 m 0.131 m 22.413 (0.28) 50.953 (0.12) 30.068 (0.21) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.014 m/s 0.027 m/s 22.413 (0.28) -100.776 (-0.06) 8.902 (0.71) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.010 m/s^2 0.019 m/s^2 22.413 (0.28) -3.403 (-1.85) 3.046 (2.06) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.000 m 0.000 m 22.413 (0.28) -8.793 (-0.71) 5.144 (1.22) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.000 m/s 0.000 m/s 22.413 (0.28) -3.509 (-1.79) 3.433 (1.83) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.000 m/s^2 0.000 m/s^2 22.413 (0.28) -3.254 (-1.93) 3.119 (2.01) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.239 SM 0.069 % 0.005 % -- -- --
passenger deck forward: Abs. vert. motion 0.237 m^2 0.487 m 0.974 m 22.413 (0.28) 32.290 (0.19) 26.790 (0.23) s (rad/s)
passenger deck forward: Rel. vert. motion 0.295 m^2 0.543 m 1.086 m 22.413 (0.28) 44.478 (0.14) 22.826 (0.28) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.013 m^2/s^2 0.114 m/s 0.228 m/s 22.413 (0.28) 35.582 (0.18) 15.064 (0.42) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.022 m^2/s^2 0.149 m/s 0.299 m/s 22.413 (0.28) -3.633 (-1.73) 1.944 (3.23) s (rad/s)
passenger deck forward: Abs. vert. accel 0.002 m^2/s^4 0.048 m/s^2 0.095 m/s^2 22.413 (0.28) -5.420 (-1.16) 3.786 (1.66) s (rad/s)
passenger deck forward: Rel. vert. accel 0.233 m^2/s^4 0.483 m/s^2 0.966 m/s^2 22.413 (0.28) -0.975 (-6.44) 0.935 (6.72) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.004 m^2 0.065 m 0.131 m 22.413 (0.28) 50.953 (0.12) 30.068 (0.21) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.014 m/s 0.027 m/s 22.413 (0.28) -100.776 (-0.06) 8.902 (0.71) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.010 m/s^2 0.019 m/s^2 22.413 (0.28) -3.403 (-1.85) 3.046 (2.06) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.000 m 0.000 m 22.413 (0.28) -8.793 (-0.71) 5.144 (1.22) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.000 m/s 0.000 m/s 22.413 (0.28) -3.509 (-1.79) 3.433 (1.83) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.000 m/s^2 0.000 m/s^2 22.413 (0.28) -3.254 (-1.93) 3.119 (2.01) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.043 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.237 m^2 0.487 m 0.974 m 22.413 (0.28) 32.290 (0.19) 26.790 (0.23) s (rad/s)
Bridge deck: Rel. vert. motion 0.295 m^2 0.543 m 1.086 m 22.413 (0.28) 44.478 (0.14) 22.826 (0.28) s (rad/s)
Bridge deck: Abs. vert. velocity 0.013 m^2/s^2 0.114 m/s 0.228 m/s 22.413 (0.28) 35.582 (0.18) 15.064 (0.42) s (rad/s)
Bridge deck: Rel. vert. velocity 0.022 m^2/s^2 0.149 m/s 0.299 m/s 22.413 (0.28) -3.633 (-1.73) 1.944 (3.23) s (rad/s)
Bridge deck: Abs. vert. accel 0.002 m^2/s^4 0.048 m/s^2 0.095 m/s^2 22.413 (0.28) -5.420 (-1.16) 3.786 (1.66) s (rad/s)
Bridge deck: Rel. vert. accel 0.233 m^2/s^4 0.483 m/s^2 0.966 m/s^2 22.413 (0.28) -0.975 (-6.44) 0.935 (6.72) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.014 m^2 0.119 m 0.238 m 22.413 (0.28) 50.953 (0.12) 30.068 (0.21) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.001 m^2/s^2 0.025 m/s 0.050 m/s 22.413 (0.28) -100.776 (-0.06) 8.902 (0.71) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.018 m/s^2 0.035 m/s^2 22.413 (0.28) -3.403 (-1.85) 3.046 (2.06) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.000 m 0.000 m 22.413 (0.28) -8.793 (-0.71) 5.144 (1.22) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.000 m/s 0.000 m/s 22.413 (0.28) -3.509 (-1.79) 3.433 (1.83) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.000 m/s^2 0.000 m/s^2 22.413 (0.28) -3.254 (-1.93) 3.119 (2.01) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.043 SM 0.000 % 0.000 % -- -- --

Design Speed, 17 kn; Head sea, 0 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 2.000 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 0.000 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.251 m^2 0.501 m 1.001 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.251 m^2 0.501 m 1.001 m 22.413 (0.28) 34.413 (0.18) 15.344 (0.41) s (rad/s)
Added resistance 17.566 kN -- -- 22.413 (0.28) 39.214 (0.16) 19.979 (0.31) s (rad/s)
Heave motion 0.220 m^2 0.470 m 0.939 m 22.413 (0.28) 26.981 (0.23) 21.286 (0.30) s (rad/s)
Roll motion 0.00000 rad^2 0.00000 rad 0.00000 rad 22.413 (0.28) -8.799 (-0.71) 5.144 (1.22) s (rad/s)
Pitch motion 0.00151 rad^2 0.03886 rad 0.07772 rad 22.413 (0.28) 51.112 (0.12) 30.072 (0.21) s (rad/s)
Heave velocity 0.019 m^2/s^2 0.139 m/s 0.277 m/s 22.413 (0.28) -25.247 (-0.25) 6.482 (0.97) s (rad/s)
Roll velocity 0.00000 (rad/s)^2 0.00000 rad/s 0.00000 rad/s 22.413 (0.28) -3.507 (-1.79) 3.431 (1.83) s (rad/s)
Pitch velocity 0.00007 (rad/s)^2 0.00812 rad/s 0.01624 rad/s 22.413 (0.28) -100.049 (-0.06) 8.899 (0.71) s (rad/s)
Heave acceleration 0.018 m^2/s^4 0.134 m/s^2 0.269 m/s^2 22.413 (0.28) -3.226 (-1.95) 3.000 (2.09) s (rad/s)
Roll acceleration 0.00000 (rad/s/s)^2 0.00000 rad/s/s 0.00000 rad/s/s 22.413 (0.28) -3.253 (-1.93) 3.119 (2.01) s (rad/s)
Pitch acceleration 0.00003 (rad/s/s)^2 0.00573 rad/s/s 0.01146 rad/s/s 22.413 (0.28) -3.400 (-1.85) 3.044 (2.06) s (rad/s)
passenger deck aft: Abs. vert. motion 0.198 m^2 0.446 m 0.891 m 22.413 (0.28) 34.113 (0.18) 20.119 (0.31) s (rad/s)
passenger deck aft: Rel. vert. motion 0.177 m^2 0.421 m 0.842 m 22.413 (0.28) -8286.629 (0.00) 13.356 (0.47) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.019 m^2/s^2 0.139 m/s 0.278 m/s 22.413 (0.28) -10.796 (-0.58) 5.150 (1.22) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.039 m^2/s^2 0.198 m/s 0.396 m/s 22.413 (0.28) -1.933 (-3.25) 1.506 (4.17) s (rad/s)
passenger deck aft: Abs. vert. accel 0.029 m^2/s^4 0.170 m/s^2 0.339 m/s^2 22.413 (0.28) -3.106 (-2.02) 2.945 (2.13) s (rad/s)
passenger deck aft: Rel. vert. accel 0.683 m^2/s^4 0.827 m/s^2 1.653 m/s^2 22.413 (0.28) -0.991 (-6.34) 0.946 (6.64) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.012 m^2 0.109 m 0.217 m 22.413 (0.28) 50.908 (0.12) 30.066 (0.21) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.001 m^2/s^2 0.023 m/s 0.045 m/s 22.413 (0.28) -102.340 (-0.06) 8.915 (0.70) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.016 m/s^2 0.032 m/s^2 22.413 (0.28) -3.404 (-1.85) 3.046 (2.06) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.000 m 0.000 m 22.413 (0.28) -8.801 (-0.71) 5.146 (1.22) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.000 m/s 0.000 m/s 22.413 (0.28) -3.511 (-1.79) 3.434 (1.83) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.000 m/s^2 0.000 m/s^2 22.413 (0.28) -3.255 (-1.93) 3.121 (2.01) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.494 SM 0.409 % 0.062 % -- -- --
passenger deck forward: Abs. vert. motion 0.658 m^2 0.811 m 1.622 m 22.413 (0.28) 32.260 (0.19) 26.779 (0.23) s (rad/s)
passenger deck forward: Rel. vert. motion 0.817 m^2 0.904 m 1.807 m 22.413 (0.28) 44.433 (0.14) 22.838 (0.28) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.036 m^2/s^2 0.190 m/s 0.381 m/s 22.413 (0.28) 35.480 (0.18) 15.089 (0.42) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.062 m^2/s^2 0.249 m/s 0.497 m/s 22.413 (0.28) -3.649 (-1.72) 1.950 (3.22) s (rad/s)
passenger deck forward: Abs. vert. accel 0.006 m^2/s^4 0.079 m/s^2 0.158 m/s^2 22.413 (0.28) -5.437 (-1.16) 3.790 (1.66) s (rad/s)
passenger deck forward: Rel. vert. accel 0.642 m^2/s^4 0.801 m/s^2 1.602 m/s^2 22.413 (0.28) -0.977 (-6.43) 0.937 (6.71) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.012 m^2 0.109 m 0.217 m 22.413 (0.28) 50.908 (0.12) 30.066 (0.21) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.001 m^2/s^2 0.023 m/s 0.045 m/s 22.413 (0.28) -102.340 (-0.06) 8.915 (0.70) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.016 m/s^2 0.032 m/s^2 22.413 (0.28) -3.404 (-1.85) 3.046 (2.06) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.000 m 0.000 m 22.413 (0.28) -8.801 (-0.71) 5.146 (1.22) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.000 m/s 0.000 m/s 22.413 (0.28) -3.511 (-1.79) 3.434 (1.83) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.000 m/s^2 0.000 m/s^2 22.413 (0.28) -3.255 (-1.93) 3.121 (2.01) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.088 SM 0.001 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.658 m^2 0.811 m 1.622 m 22.413 (0.28) 32.260 (0.19) 26.779 (0.23) s (rad/s)
Bridge deck: Rel. vert. motion 0.817 m^2 0.904 m 1.807 m 22.413 (0.28) 44.433 (0.14) 22.838 (0.28) s (rad/s)
Bridge deck: Abs. vert. velocity 0.036 m^2/s^2 0.190 m/s 0.381 m/s 22.413 (0.28) 35.480 (0.18) 15.089 (0.42) s (rad/s)
Bridge deck: Rel. vert. velocity 0.062 m^2/s^2 0.249 m/s 0.497 m/s 22.413 (0.28) -3.649 (-1.72) 1.950 (3.22) s (rad/s)
Bridge deck: Abs. vert. accel 0.006 m^2/s^4 0.079 m/s^2 0.158 m/s^2 22.413 (0.28) -5.437 (-1.16) 3.790 (1.66) s (rad/s)
Bridge deck: Rel. vert. accel 0.642 m^2/s^4 0.801 m/s^2 1.602 m/s^2 22.413 (0.28) -0.977 (-6.43) 0.937 (6.71) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.039 m^2 0.198 m 0.396 m 22.413 (0.28) 50.908 (0.12) 30.066 (0.21) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.002 m^2/s^2 0.041 m/s 0.083 m/s 22.413 (0.28) -102.340 (-0.06) 8.915 (0.70) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.001 m^2/s^4 0.029 m/s^2 0.058 m/s^2 22.413 (0.28) -3.404 (-1.85) 3.046 (2.06) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.000 m 0.000 m 22.413 (0.28) -8.801 (-0.71) 5.146 (1.22) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.000 m/s 0.000 m/s 22.413 (0.28) -3.511 (-1.79) 3.434 (1.83) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.000 m/s^2 0.000 m/s^2 22.413 (0.28) -3.255 (-1.93) 3.121 (2.01) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.088 SM 0.001 % 0.000 % -- -- --

Design Speed, 17 kn; 0.354 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.956 s -- -- -- -- --
Characteristic wave height 0.300 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 0.354 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.006 m^2 0.075 m 0.150 m 9.960 (0.63) 8.340 (0.75) 7.849 (0.80) s (rad/s)
Encountered wave spectrum 0.006 m^2 0.075 m 0.150 m 21.024 (0.30) 28.916 (0.22) 15.857 (0.40) s (rad/s)
Added resistance 0.372 kN -- -- 21.024 (0.30) 31.416 (0.20) 19.256 (0.33) s (rad/s)
Heave motion 0.005 m^2 0.069 m 0.138 m 21.024 (0.30) 23.527 (0.27) 20.230 (0.31) s (rad/s)
Roll motion 0.00000 rad^2 0.00146 rad 0.00291 rad 21.024 (0.30) -14.570 (-0.43) 5.999 (1.05) s (rad/s)
Pitch motion 0.00003 rad^2 0.00522 rad 0.01043 rad 21.024 (0.30) 40.262 (0.16) 28.074 (0.22) s (rad/s)
Heave velocity 0.000 m^2/s^2 0.021 m/s 0.043 m/s 21.024 (0.30) -80.184 (-0.08) 7.548 (0.83) s (rad/s)
Roll velocity 0.00000 (rad/s)^2 0.00153 rad/s 0.00305 rad/s 21.024 (0.30) -3.520 (-1.78) 3.393 (1.85) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00117 rad/s 0.00233 rad/s 21.024 (0.30) 208.978 (0.03) 9.641 (0.65) s (rad/s)
Heave acceleration 0.000 m^2/s^4 0.018 m/s^2 0.036 m/s^2 21.024 (0.30) -3.416 (-1.84) 3.089 (2.03) s (rad/s)
Roll acceleration 0.00001 (rad/s/s)^2 0.00283 rad/s/s 0.00565 rad/s/s 21.024 (0.30) -3.214 (-1.96) 3.141 (2.00) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00076 rad/s/s 0.00152 rad/s/s 21.024 (0.30) -3.621 (-1.74) 3.145 (2.00) s (rad/s)
passenger deck aft: Abs. vert. motion 0.004 m^2 0.065 m 0.130 m 21.024 (0.30) 27.542 (0.23) 19.547 (0.32) s (rad/s)
passenger deck aft: Rel. vert. motion 0.003 m^2 0.058 m 0.116 m 21.024 (0.30) 138.690 (0.05) 13.650 (0.46) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.000 m^2/s^2 0.021 m/s 0.042 m/s 21.024 (0.30) -17.911 (-0.35) 5.883 (1.07) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.001 m^2/s^2 0.027 m/s 0.054 m/s 21.024 (0.30) -2.137 (-2.94) 1.638 (3.84) s (rad/s)
passenger deck aft: Abs. vert. accel 0.000 m^2/s^4 0.022 m/s^2 0.045 m/s^2 21.024 (0.30) -3.203 (-1.96) 3.000 (2.09) s (rad/s)
passenger deck aft: Rel. vert. accel 0.011 m^2/s^4 0.103 m/s^2 0.205 m/s^2 21.024 (0.30) -1.078 (-5.83) 1.029 (6.10) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.015 m 0.029 m 21.024 (0.30) 40.141 (0.16) 28.060 (0.22) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.007 m/s 21.024 (0.30) 201.275 (0.03) 9.659 (0.65) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.002 m/s^2 0.004 m/s^2 21.024 (0.30) -3.627 (-1.73) 3.147 (2.00) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.004 m 0.008 m 21.024 (0.30) -14.570 (-0.43) 6.001 (1.05) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.004 m/s 0.009 m/s 21.024 (0.30) -3.523 (-1.78) 3.396 (1.85) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.008 m/s^2 0.016 m/s^2 21.024 (0.30) -3.216 (-1.95) 3.144 (2.00) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.027 SM 0.000 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.013 m^2 0.114 m 0.227 m 21.024 (0.30) 27.295 (0.23) 24.325 (0.26) s (rad/s)
passenger deck forward: Rel. vert. motion 0.015 m^2 0.124 m 0.248 m 21.024 (0.30) 36.021 (0.17) 21.917 (0.29) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.001 m^2/s^2 0.029 m/s 0.059 m/s 21.024 (0.30) 27.643 (0.23) 16.023 (0.39) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.001 m^2/s^2 0.035 m/s 0.071 m/s 21.024 (0.30) -4.675 (-1.34) 2.241 (2.80) s (rad/s)
passenger deck forward: Abs. vert. accel 0.000 m^2/s^4 0.012 m/s^2 0.023 m/s^2 21.024 (0.30) -7.362 (-0.85) 4.243 (1.48) s (rad/s)
passenger deck forward: Rel. vert. accel 0.010 m^2/s^4 0.100 m/s^2 0.199 m/s^2 21.024 (0.30) -1.063 (-5.91) 1.018 (6.17) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.015 m 0.029 m 21.024 (0.30) 40.141 (0.16) 28.060 (0.22) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.007 m/s 21.024 (0.30) 201.275 (0.03) 9.659 (0.65) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.002 m/s^2 0.004 m/s^2 21.024 (0.30) -3.627 (-1.73) 3.147 (2.00) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.004 m 0.008 m 21.024 (0.30) -14.570 (-0.43) 6.001 (1.05) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.004 m/s 0.009 m/s 21.024 (0.30) -3.523 (-1.78) 3.396 (1.85) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.008 m/s^2 0.016 m/s^2 21.024 (0.30) -3.216 (-1.95) 3.144 (2.00) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.005 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.013 m^2 0.114 m 0.227 m 21.024 (0.30) 27.295 (0.23) 24.325 (0.26) s (rad/s)
Bridge deck: Rel. vert. motion 0.015 m^2 0.124 m 0.248 m 21.024 (0.30) 36.021 (0.17) 21.917 (0.29) s (rad/s)
Bridge deck: Abs. vert. velocity 0.001 m^2/s^2 0.029 m/s 0.059 m/s 21.024 (0.30) 27.643 (0.23) 16.023 (0.39) s (rad/s)
Bridge deck: Rel. vert. velocity 0.001 m^2/s^2 0.035 m/s 0.071 m/s 21.024 (0.30) -4.675 (-1.34) 2.241 (2.80) s (rad/s)
Bridge deck: Abs. vert. accel 0.000 m^2/s^4 0.012 m/s^2 0.023 m/s^2 21.024 (0.30) -7.362 (-0.85) 4.243 (1.48) s (rad/s)
Bridge deck: Rel. vert. accel 0.010 m^2/s^4 0.100 m/s^2 0.199 m/s^2 21.024 (0.30) -1.063 (-5.91) 1.018 (6.17) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.001 m^2 0.027 m 0.053 m 21.024 (0.30) 40.141 (0.16) 28.060 (0.22) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.006 m/s 0.012 m/s 21.024 (0.30) 201.275 (0.03) 9.659 (0.65) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.004 m/s^2 0.008 m/s^2 21.024 (0.30) -3.627 (-1.73) 3.147 (2.00) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.007 m 0.015 m 21.024 (0.30) -14.570 (-0.43) 6.001 (1.05) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.008 m/s 0.016 m/s 21.024 (0.30) -3.523 (-1.78) 3.396 (1.85) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.014 m/s^2 0.029 m/s^2 21.024 (0.30) -3.216 (-1.95) 3.144 (2.00) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.005 SM 0.000 % 0.000 % -- -- --

Design Speed, 17 kn; 0.354 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 0.354 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 21.024 (0.30) 28.836 (0.22) 15.901 (0.40) s (rad/s)
Added resistance 1.484 kN -- -- 21.024 (0.30) 31.353 (0.20) 19.271 (0.33) s (rad/s)
Heave motion 0.019 m^2 0.138 m 0.277 m 21.024 (0.30) 23.505 (0.27) 20.239 (0.31) s (rad/s)
Roll motion 0.00001 rad^2 0.00291 rad 0.00582 rad 21.024 (0.30) -14.474 (-0.43) 5.985 (1.05) s (rad/s)
Pitch motion 0.00011 rad^2 0.01040 rad 0.02080 rad 21.024 (0.30) 40.203 (0.16) 28.059 (0.22) s (rad/s)
Heave velocity 0.002 m^2/s^2 0.043 m/s 0.086 m/s 21.024 (0.30) -83.557 (-0.08) 7.576 (0.83) s (rad/s)
Roll velocity 0.00001 (rad/s)^2 0.00306 rad/s 0.00611 rad/s 21.024 (0.30) -3.519 (-1.79) 3.392 (1.85) s (rad/s)
Pitch velocity 0.00001 (rad/s)^2 0.00233 rad/s 0.00466 rad/s 21.024 (0.30) 203.042 (0.03) 9.656 (0.65) s (rad/s)
Heave acceleration 0.001 m^2/s^4 0.036 m/s^2 0.071 m/s^2 21.024 (0.30) -3.421 (-1.84) 3.092 (2.03) s (rad/s)
Roll acceleration 0.00003 (rad/s/s)^2 0.00566 rad/s/s 0.01132 rad/s/s 21.024 (0.30) -3.215 (-1.95) 3.144 (2.00) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00152 rad/s/s 0.00303 rad/s/s 21.024 (0.30) -3.625 (-1.73) 3.147 (2.00) s (rad/s)
passenger deck aft: Abs. vert. motion 0.017 m^2 0.130 m 0.260 m 21.024 (0.30) 27.476 (0.23) 19.562 (0.32) s (rad/s)
passenger deck aft: Rel. vert. motion 0.013 m^2 0.116 m 0.232 m 21.024 (0.30) 137.415 (0.05) 13.677 (0.46) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.002 m^2/s^2 0.042 m/s 0.084 m/s 21.024 (0.30) -18.161 (-0.35) 5.905 (1.06) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.003 m^2/s^2 0.053 m/s 0.107 m/s 21.024 (0.30) -2.149 (-2.92) 1.646 (3.82) s (rad/s)
passenger deck aft: Abs. vert. accel 0.002 m^2/s^4 0.044 m/s^2 0.089 m/s^2 21.024 (0.30) -3.206 (-1.96) 3.001 (2.09) s (rad/s)
passenger deck aft: Rel. vert. accel 0.041 m^2/s^4 0.203 m/s^2 0.407 m/s^2 21.024 (0.30) -1.084 (-5.80) 1.035 (6.07) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.001 m^2 0.029 m 0.058 m 21.024 (0.30) 40.083 (0.16) 28.046 (0.22) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.007 m/s 0.013 m/s 21.024 (0.30) 195.768 (0.03) 9.674 (0.65) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.004 m/s^2 0.008 m/s^2 21.024 (0.30) -3.631 (-1.73) 3.150 (1.99) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.008 m 0.016 m 21.024 (0.30) -14.475 (-0.43) 5.987 (1.05) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.009 m/s 0.017 m/s 21.024 (0.30) -3.522 (-1.78) 3.395 (1.85) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.016 m/s^2 0.032 m/s^2 21.024 (0.30) -3.217 (-1.95) 3.146 (2.00) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.074 SM 0.002 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.052 m^2 0.227 m 0.454 m 21.024 (0.30) 27.256 (0.23) 24.307 (0.26) s (rad/s)
passenger deck forward: Rel. vert. motion 0.061 m^2 0.247 m 0.494 m 21.024 (0.30) 35.966 (0.17) 21.935 (0.29) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.003 m^2/s^2 0.059 m/s 0.117 m/s 21.024 (0.30) 27.585 (0.23) 16.049 (0.39) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.005 m^2/s^2 0.071 m/s 0.142 m/s 21.024 (0.30) -4.725 (-1.33) 2.256 (2.78) s (rad/s)
passenger deck forward: Abs. vert. accel 0.001 m^2/s^4 0.023 m/s^2 0.046 m/s^2 21.024 (0.30) -7.406 (-0.85) 4.253 (1.48) s (rad/s)
passenger deck forward: Rel. vert. accel 0.039 m^2/s^4 0.197 m/s^2 0.394 m/s^2 21.024 (0.30) -1.068 (-5.88) 1.024 (6.14) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.001 m^2 0.029 m 0.058 m 21.024 (0.30) 40.083 (0.16) 28.046 (0.22) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.007 m/s 0.013 m/s 21.024 (0.30) 195.768 (0.03) 9.674 (0.65) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.004 m/s^2 0.008 m/s^2 21.024 (0.30) -3.631 (-1.73) 3.150 (1.99) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.008 m 0.016 m 21.024 (0.30) -14.475 (-0.43) 5.987 (1.05) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.009 m/s 0.017 m/s 21.024 (0.30) -3.522 (-1.78) 3.395 (1.85) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.016 m/s^2 0.032 m/s^2 21.024 (0.30) -3.217 (-1.95) 3.146 (2.00) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.014 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.052 m^2 0.227 m 0.454 m 21.024 (0.30) 27.256 (0.23) 24.307 (0.26) s (rad/s)
Bridge deck: Rel. vert. motion 0.061 m^2 0.247 m 0.494 m 21.024 (0.30) 35.966 (0.17) 21.935 (0.29) s (rad/s)
Bridge deck: Abs. vert. velocity 0.003 m^2/s^2 0.059 m/s 0.117 m/s 21.024 (0.30) 27.585 (0.23) 16.049 (0.39) s (rad/s)
Bridge deck: Rel. vert. velocity 0.005 m^2/s^2 0.071 m/s 0.142 m/s 21.024 (0.30) -4.725 (-1.33) 2.256 (2.78) s (rad/s)
Bridge deck: Abs. vert. accel 0.001 m^2/s^4 0.023 m/s^2 0.046 m/s^2 21.024 (0.30) -7.406 (-0.85) 4.253 (1.48) s (rad/s)
Bridge deck: Rel. vert. accel 0.039 m^2/s^4 0.197 m/s^2 0.394 m/s^2 21.024 (0.30) -1.068 (-5.88) 1.024 (6.14) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.003 m^2 0.053 m 0.106 m 21.024 (0.30) 40.083 (0.16) 28.046 (0.22) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.012 m/s 0.024 m/s 21.024 (0.30) 195.768 (0.03) 9.674 (0.65) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.008 m/s^2 0.015 m/s^2 21.024 (0.30) -3.631 (-1.73) 3.150 (1.99) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.015 m 0.030 m 21.024 (0.30) -14.475 (-0.43) 5.987 (1.05) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.016 m/s 0.031 m/s 21.024 (0.30) -3.522 (-1.78) 3.395 (1.85) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.001 m^2/s^4 0.029 m/s^2 0.058 m/s^2 21.024 (0.30) -3.217 (-1.95) 3.146 (2.00) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.014 SM 0.000 % 0.000 % -- -- --

Design Speed, 17 kn; 0.354 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.965 s -- -- -- -- --
Characteristic wave height 1.200 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 0.354 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.090 m^2 0.300 m 0.601 m 9.969 (0.63) 8.348 (0.75) 7.856 (0.80) s (rad/s)
Encountered wave spectrum 0.090 m^2 0.300 m 0.601 m 21.024 (0.30) 28.879 (0.22) 15.878 (0.40) s (rad/s)
Added resistance 5.947 kN -- -- 21.024 (0.30) 31.386 (0.20) 19.263 (0.33) s (rad/s)
Heave motion 0.076 m^2 0.277 m 0.553 m 21.024 (0.30) 23.515 (0.27) 20.237 (0.31) s (rad/s)
Roll motion 0.00003 rad^2 0.00583 rad 0.01165 rad 21.024 (0.30) -14.539 (-0.43) 5.995 (1.05) s (rad/s)
Pitch motion 0.00043 rad^2 0.02083 rad 0.04167 rad 21.024 (0.30) 40.235 (0.16) 28.070 (0.22) s (rad/s)
Heave velocity 0.007 m^2/s^2 0.086 m/s 0.172 m/s 21.024 (0.30) -82.320 (-0.08) 7.566 (0.83) s (rad/s)
Roll velocity 0.00004 (rad/s)^2 0.00611 rad/s 0.01221 rad/s 21.024 (0.30) -3.520 (-1.78) 3.393 (1.85) s (rad/s)
Pitch velocity 0.00002 (rad/s)^2 0.00466 rad/s 0.00933 rad/s 21.024 (0.30) 204.041 (0.03) 9.655 (0.65) s (rad/s)
Heave acceleration 0.005 m^2/s^4 0.071 m/s^2 0.143 m/s^2 21.024 (0.30) -3.419 (-1.84) 3.090 (2.03) s (rad/s)
Roll acceleration 0.00013 (rad/s/s)^2 0.01131 rad/s/s 0.02261 rad/s/s 21.024 (0.30) -3.214 (-1.95) 3.143 (2.00) s (rad/s)
Pitch acceleration 0.00001 (rad/s/s)^2 0.00303 rad/s/s 0.00607 rad/s/s 21.024 (0.30) -3.624 (-1.73) 3.146 (2.00) s (rad/s)
passenger deck aft: Abs. vert. motion 0.068 m^2 0.260 m 0.520 m 21.024 (0.30) 27.508 (0.23) 19.559 (0.32) s (rad/s)
passenger deck aft: Rel. vert. motion 0.054 m^2 0.232 m 0.465 m 21.024 (0.30) 138.028 (0.05) 13.664 (0.46) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.007 m^2/s^2 0.084 m/s 0.167 m/s 21.024 (0.30) -18.069 (-0.35) 5.897 (1.07) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.011 m^2/s^2 0.107 m/s 0.214 m/s 21.024 (0.30) -2.143 (-2.93) 1.642 (3.83) s (rad/s)
passenger deck aft: Abs. vert. accel 0.008 m^2/s^4 0.089 m/s^2 0.178 m/s^2 21.024 (0.30) -3.205 (-1.96) 3.000 (2.09) s (rad/s)
passenger deck aft: Rel. vert. accel 0.167 m^2/s^4 0.409 m/s^2 0.817 m/s^2 21.024 (0.30) -1.081 (-5.81) 1.032 (6.09) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.003 m^2 0.058 m 0.117 m 21.024 (0.30) 40.114 (0.16) 28.056 (0.22) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.013 m/s 0.026 m/s 21.024 (0.30) 196.698 (0.03) 9.673 (0.65) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.008 m/s^2 0.017 m/s^2 21.024 (0.30) -3.629 (-1.73) 3.148 (2.00) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.016 m 0.033 m 21.024 (0.30) -14.538 (-0.43) 5.997 (1.05) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.017 m/s 0.034 m/s 21.024 (0.30) -3.523 (-1.78) 3.396 (1.85) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.001 m^2/s^4 0.032 m/s^2 0.063 m/s^2 21.024 (0.30) -3.217 (-1.95) 3.145 (2.00) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.199 SM 0.047 % 0.003 % -- -- --
passenger deck forward: Abs. vert. motion 0.207 m^2 0.455 m 0.909 m 21.024 (0.30) 27.277 (0.23) 24.318 (0.26) s (rad/s)
passenger deck forward: Rel. vert. motion 0.245 m^2 0.495 m 0.989 m 21.024 (0.30) 35.996 (0.17) 21.927 (0.29) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.014 m^2/s^2 0.118 m/s 0.235 m/s 21.024 (0.30) 27.606 (0.23) 16.042 (0.39) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.020 m^2/s^2 0.142 m/s 0.284 m/s 21.024 (0.30) -4.700 (-1.34) 2.248 (2.79) s (rad/s)
passenger deck forward: Abs. vert. accel 0.002 m^2/s^4 0.046 m/s^2 0.092 m/s^2 21.024 (0.30) -7.392 (-0.85) 4.249 (1.48) s (rad/s)
passenger deck forward: Rel. vert. accel 0.157 m^2/s^4 0.396 m/s^2 0.792 m/s^2 21.024 (0.30) -1.065 (-5.90) 1.021 (6.15) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.003 m^2 0.058 m 0.117 m 21.024 (0.30) 40.114 (0.16) 28.056 (0.22) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.013 m/s 0.026 m/s 21.024 (0.30) 196.698 (0.03) 9.673 (0.65) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.008 m/s^2 0.017 m/s^2 21.024 (0.30) -3.629 (-1.73) 3.148 (2.00) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.016 m 0.033 m 21.024 (0.30) -14.538 (-0.43) 5.997 (1.05) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.017 m/s 0.034 m/s 21.024 (0.30) -3.523 (-1.78) 3.396 (1.85) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.001 m^2/s^4 0.032 m/s^2 0.063 m/s^2 21.024 (0.30) -3.217 (-1.95) 3.145 (2.00) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.038 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.207 m^2 0.455 m 0.909 m 21.024 (0.30) 27.277 (0.23) 24.318 (0.26) s (rad/s)
Bridge deck: Rel. vert. motion 0.245 m^2 0.495 m 0.989 m 21.024 (0.30) 35.996 (0.17) 21.927 (0.29) s (rad/s)
Bridge deck: Abs. vert. velocity 0.014 m^2/s^2 0.118 m/s 0.235 m/s 21.024 (0.30) 27.606 (0.23) 16.042 (0.39) s (rad/s)
Bridge deck: Rel. vert. velocity 0.020 m^2/s^2 0.142 m/s 0.284 m/s 21.024 (0.30) -4.700 (-1.34) 2.248 (2.79) s (rad/s)
Bridge deck: Abs. vert. accel 0.002 m^2/s^4 0.046 m/s^2 0.092 m/s^2 21.024 (0.30) -7.392 (-0.85) 4.249 (1.48) s (rad/s)
Bridge deck: Rel. vert. accel 0.157 m^2/s^4 0.396 m/s^2 0.792 m/s^2 21.024 (0.30) -1.065 (-5.90) 1.021 (6.15) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.011 m^2 0.106 m 0.212 m 21.024 (0.30) 40.114 (0.16) 28.056 (0.22) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.001 m^2/s^2 0.024 m/s 0.048 m/s 21.024 (0.30) 196.698 (0.03) 9.673 (0.65) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.015 m/s^2 0.031 m/s^2 21.024 (0.30) -3.629 (-1.73) 3.148 (2.00) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.001 m^2 0.030 m 0.059 m 21.024 (0.30) -14.538 (-0.43) 5.997 (1.05) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.001 m^2/s^2 0.031 m/s 0.062 m/s 21.024 (0.30) -3.523 (-1.78) 3.396 (1.85) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.003 m^2/s^4 0.058 m/s^2 0.115 m/s^2 21.024 (0.30) -3.217 (-1.95) 3.145 (2.00) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.038 SM 0.000 % 0.000 % -- -- --

Design Speed, 17 kn; 0.354 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 2.000 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 0.354 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.251 m^2 0.501 m 1.001 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.251 m^2 0.501 m 1.001 m 21.024 (0.30) 28.836 (0.22) 15.901 (0.40) s (rad/s)
Added resistance 16.494 kN -- -- 21.024 (0.30) 31.353 (0.20) 19.271 (0.33) s (rad/s)
Heave motion 0.213 m^2 0.461 m 0.922 m 21.024 (0.30) 23.505 (0.27) 20.239 (0.31) s (rad/s)
Roll motion 0.00009 rad^2 0.00970 rad 0.01941 rad 21.024 (0.30) -14.474 (-0.43) 5.985 (1.05) s (rad/s)
Pitch motion 0.00120 rad^2 0.03467 rad 0.06934 rad 21.024 (0.30) 40.203 (0.16) 28.059 (0.22) s (rad/s)
Heave velocity 0.020 m^2/s^2 0.143 m/s 0.286 m/s 21.024 (0.30) -83.557 (-0.08) 7.576 (0.83) s (rad/s)
Roll velocity 0.00010 (rad/s)^2 0.01019 rad/s 0.02038 rad/s 21.024 (0.30) -3.519 (-1.79) 3.392 (1.85) s (rad/s)
Pitch velocity 0.00006 (rad/s)^2 0.00776 rad/s 0.01553 rad/s 21.024 (0.30) 203.042 (0.03) 9.656 (0.65) s (rad/s)
Heave acceleration 0.014 m^2/s^4 0.119 m/s^2 0.237 m/s^2 21.024 (0.30) -3.421 (-1.84) 3.092 (2.03) s (rad/s)
Roll acceleration 0.00036 (rad/s/s)^2 0.01887 rad/s/s 0.03774 rad/s/s 21.024 (0.30) -3.215 (-1.95) 3.144 (2.00) s (rad/s)
Pitch acceleration 0.00003 (rad/s/s)^2 0.00505 rad/s/s 0.01010 rad/s/s 21.024 (0.30) -3.625 (-1.73) 3.147 (2.00) s (rad/s)
passenger deck aft: Abs. vert. motion 0.188 m^2 0.434 m 0.867 m 21.024 (0.30) 27.476 (0.23) 19.562 (0.32) s (rad/s)
passenger deck aft: Rel. vert. motion 0.149 m^2 0.387 m 0.773 m 21.024 (0.30) 137.415 (0.05) 13.677 (0.46) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.019 m^2/s^2 0.139 m/s 0.279 m/s 21.024 (0.30) -18.161 (-0.35) 5.905 (1.06) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.032 m^2/s^2 0.178 m/s 0.355 m/s 21.024 (0.30) -2.149 (-2.92) 1.646 (3.82) s (rad/s)
passenger deck aft: Abs. vert. accel 0.022 m^2/s^4 0.148 m/s^2 0.296 m/s^2 21.024 (0.30) -3.206 (-1.96) 3.001 (2.09) s (rad/s)
passenger deck aft: Rel. vert. accel 0.459 m^2/s^4 0.678 m/s^2 1.355 m/s^2 21.024 (0.30) -1.084 (-5.80) 1.035 (6.07) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.009 m^2 0.097 m 0.194 m 21.024 (0.30) 40.083 (0.16) 28.046 (0.22) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.022 m/s 0.043 m/s 21.024 (0.30) 195.768 (0.03) 9.674 (0.65) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.014 m/s^2 0.028 m/s^2 21.024 (0.30) -3.631 (-1.73) 3.150 (1.99) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.001 m^2 0.027 m 0.054 m 21.024 (0.30) -14.475 (-0.43) 5.987 (1.05) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.001 m^2/s^2 0.028 m/s 0.057 m/s 21.024 (0.30) -3.522 (-1.78) 3.395 (1.85) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.003 m^2/s^4 0.053 m/s^2 0.105 m/s^2 21.024 (0.30) -3.217 (-1.95) 3.146 (2.00) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.412 SM 0.295 % 0.040 % -- -- --
passenger deck forward: Abs. vert. motion 0.574 m^2 0.757 m 1.515 m 21.024 (0.30) 27.256 (0.23) 24.307 (0.26) s (rad/s)
passenger deck forward: Rel. vert. motion 0.678 m^2 0.823 m 1.647 m 21.024 (0.30) 35.966 (0.17) 21.935 (0.29) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.038 m^2/s^2 0.196 m/s 0.392 m/s 21.024 (0.30) 27.585 (0.23) 16.049 (0.39) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.056 m^2/s^2 0.236 m/s 0.472 m/s 21.024 (0.30) -4.725 (-1.33) 2.256 (2.78) s (rad/s)
passenger deck forward: Abs. vert. accel 0.006 m^2/s^4 0.077 m/s^2 0.153 m/s^2 21.024 (0.30) -7.406 (-0.85) 4.253 (1.48) s (rad/s)
passenger deck forward: Rel. vert. accel 0.431 m^2/s^4 0.657 m/s^2 1.313 m/s^2 21.024 (0.30) -1.068 (-5.88) 1.024 (6.14) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.009 m^2 0.097 m 0.194 m 21.024 (0.30) 40.083 (0.16) 28.046 (0.22) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.022 m/s 0.043 m/s 21.024 (0.30) 195.768 (0.03) 9.674 (0.65) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.014 m/s^2 0.028 m/s^2 21.024 (0.30) -3.631 (-1.73) 3.150 (1.99) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.001 m^2 0.027 m 0.054 m 21.024 (0.30) -14.475 (-0.43) 5.987 (1.05) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.001 m^2/s^2 0.028 m/s 0.057 m/s 21.024 (0.30) -3.522 (-1.78) 3.395 (1.85) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.003 m^2/s^4 0.053 m/s^2 0.105 m/s^2 21.024 (0.30) -3.217 (-1.95) 3.146 (2.00) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.078 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.574 m^2 0.757 m 1.515 m 21.024 (0.30) 27.256 (0.23) 24.307 (0.26) s (rad/s)
Bridge deck: Rel. vert. motion 0.678 m^2 0.823 m 1.647 m 21.024 (0.30) 35.966 (0.17) 21.935 (0.29) s (rad/s)
Bridge deck: Abs. vert. velocity 0.038 m^2/s^2 0.196 m/s 0.392 m/s 21.024 (0.30) 27.585 (0.23) 16.049 (0.39) s (rad/s)
Bridge deck: Rel. vert. velocity 0.056 m^2/s^2 0.236 m/s 0.472 m/s 21.024 (0.30) -4.725 (-1.33) 2.256 (2.78) s (rad/s)
Bridge deck: Abs. vert. accel 0.006 m^2/s^4 0.077 m/s^2 0.153 m/s^2 21.024 (0.30) -7.406 (-0.85) 4.253 (1.48) s (rad/s)
Bridge deck: Rel. vert. accel 0.431 m^2/s^4 0.657 m/s^2 1.313 m/s^2 21.024 (0.30) -1.068 (-5.88) 1.024 (6.14) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.031 m^2 0.177 m 0.353 m 21.024 (0.30) 40.083 (0.16) 28.046 (0.22) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.002 m^2/s^2 0.040 m/s 0.079 m/s 21.024 (0.30) 195.768 (0.03) 9.674 (0.65) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.001 m^2/s^4 0.026 m/s^2 0.051 m/s^2 21.024 (0.30) -3.631 (-1.73) 3.150 (1.99) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.002 m^2 0.049 m 0.099 m 21.024 (0.30) -14.475 (-0.43) 5.987 (1.05) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.003 m^2/s^2 0.052 m/s 0.104 m/s 21.024 (0.30) -3.522 (-1.78) 3.395 (1.85) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.009 m^2/s^4 0.096 m/s^2 0.192 m/s^2 21.024 (0.30) -3.217 (-1.95) 3.146 (2.00) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.078 SM 0.000 % 0.000 % -- -- --

Design Speed, 17 kn; 0.619 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.956 s -- -- -- -- --
Characteristic wave height 0.300 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 0.619 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.006 m^2 0.075 m 0.150 m 9.960 (0.63) 8.340 (0.75) 7.849 (0.80) s (rad/s)
Encountered wave spectrum 0.006 m^2 0.075 m 0.150 m 18.249 (0.34) 21.811 (0.29) 16.238 (0.39) s (rad/s)
Added resistance 0.358 kN -- -- 18.249 (0.34) 24.091 (0.26) 18.142 (0.35) s (rad/s)
Heave motion 0.005 m^2 0.068 m 0.135 m 18.249 (0.34) 19.320 (0.33) 18.247 (0.34) s (rad/s)
Roll motion 0.00000 rad^2 0.00217 rad 0.00433 rad 18.249 (0.34) -523.129 (-0.01) 8.859 (0.71) s (rad/s)
Pitch motion 0.00001 rad^2 0.00364 rad 0.00728 rad 18.249 (0.34) 24.229 (0.26) 21.507 (0.29) s (rad/s)
Heave velocity 0.001 m^2/s^2 0.023 m/s 0.047 m/s 18.249 (0.34) 31.956 (0.20) 10.862 (0.58) s (rad/s)
Roll velocity 0.00000 (rad/s)^2 0.00154 rad/s 0.00307 rad/s 18.249 (0.34) -4.309 (-1.46) 3.751 (1.68) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00106 rad/s 0.00213 rad/s 18.249 (0.34) 32.813 (0.19) 11.865 (0.53) s (rad/s)
Heave acceleration 0.000 m^2/s^4 0.013 m/s^2 0.027 m/s^2 18.249 (0.34) -4.788 (-1.31) 3.540 (1.77) s (rad/s)
Roll acceleration 0.00001 (rad/s/s)^2 0.00257 rad/s/s 0.00515 rad/s/s 18.249 (0.34) -3.352 (-1.87) 3.303 (1.90) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00056 rad/s/s 0.00113 rad/s/s 18.249 (0.34) -4.948 (-1.27) 3.576 (1.76) s (rad/s)
passenger deck aft: Abs. vert. motion 0.004 m^2 0.063 m 0.126 m 18.249 (0.34) 20.360 (0.31) 18.046 (0.35) s (rad/s)
passenger deck aft: Rel. vert. motion 0.002 m^2 0.049 m 0.099 m 18.249 (0.34) 41.386 (0.15) 14.274 (0.44) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.000 m^2/s^2 0.022 m/s 0.044 m/s 18.249 (0.34) 80.269 (0.08) 8.703 (0.72) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.000 m^2/s^2 0.022 m/s 0.044 m/s 18.249 (0.34) -3.097 (-2.03) 2.122 (2.96) s (rad/s)
passenger deck aft: Abs. vert. accel 0.000 m^2/s^4 0.016 m/s^2 0.032 m/s^2 18.249 (0.34) -3.883 (-1.62) 3.256 (1.93) s (rad/s)
passenger deck aft: Rel. vert. accel 0.004 m^2/s^4 0.064 m/s^2 0.129 m/s^2 18.249 (0.34) -1.327 (-4.73) 1.269 (4.95) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.010 m 0.020 m 18.249 (0.34) 24.196 (0.26) 21.493 (0.29) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.006 m/s 18.249 (0.34) 32.702 (0.19) 11.884 (0.53) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.002 m/s^2 0.003 m/s^2 18.249 (0.34) -4.963 (-1.27) 3.582 (1.75) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.006 m 0.012 m 18.249 (0.34) -519.950 (-0.01) 8.861 (0.71) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.004 m/s 0.009 m/s 18.249 (0.34) -4.313 (-1.46) 3.754 (1.67) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.007 m/s^2 0.014 m/s^2 18.249 (0.34) -3.355 (-1.87) 3.305 (1.90) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.015 SM 0.000 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.009 m^2 0.096 m 0.191 m 18.249 (0.34) 20.012 (0.31) 19.501 (0.32) s (rad/s)
passenger deck forward: Rel. vert. motion 0.009 m^2 0.094 m 0.188 m 18.249 (0.34) 23.693 (0.27) 18.521 (0.34) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.001 m^2/s^2 0.031 m/s 0.062 m/s 18.249 (0.34) 20.346 (0.31) 16.899 (0.37) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.001 m^2/s^2 0.032 m/s 0.064 m/s 18.249 (0.34) -9.707 (-0.65) 3.189 (1.97) s (rad/s)
passenger deck forward: Abs. vert. accel 0.000 m^2/s^4 0.011 m/s^2 0.023 m/s^2 18.249 (0.34) -35.826 (-0.18) 6.205 (1.01) s (rad/s)
passenger deck forward: Rel. vert. accel 0.004 m^2/s^4 0.063 m/s^2 0.126 m/s^2 18.249 (0.34) -1.317 (-4.77) 1.256 (5.00) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.010 m 0.020 m 18.249 (0.34) 24.196 (0.26) 21.493 (0.29) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.006 m/s 18.249 (0.34) 32.702 (0.19) 11.884 (0.53) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.002 m/s^2 0.003 m/s^2 18.249 (0.34) -4.963 (-1.27) 3.582 (1.75) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.006 m 0.012 m 18.249 (0.34) -519.950 (-0.01) 8.861 (0.71) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.004 m/s 0.009 m/s 18.249 (0.34) -4.313 (-1.46) 3.754 (1.67) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.007 m/s^2 0.014 m/s^2 18.249 (0.34) -3.355 (-1.87) 3.305 (1.90) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.005 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.009 m^2 0.096 m 0.191 m 18.249 (0.34) 20.012 (0.31) 19.501 (0.32) s (rad/s)
Bridge deck: Rel. vert. motion 0.009 m^2 0.094 m 0.188 m 18.249 (0.34) 23.693 (0.27) 18.521 (0.34) s (rad/s)
Bridge deck: Abs. vert. velocity 0.001 m^2/s^2 0.031 m/s 0.062 m/s 18.249 (0.34) 20.346 (0.31) 16.899 (0.37) s (rad/s)
Bridge deck: Rel. vert. velocity 0.001 m^2/s^2 0.032 m/s 0.064 m/s 18.249 (0.34) -9.707 (-0.65) 3.189 (1.97) s (rad/s)
Bridge deck: Abs. vert. accel 0.000 m^2/s^4 0.011 m/s^2 0.023 m/s^2 18.249 (0.34) -35.826 (-0.18) 6.205 (1.01) s (rad/s)
Bridge deck: Rel. vert. accel 0.004 m^2/s^4 0.063 m/s^2 0.126 m/s^2 18.249 (0.34) -1.317 (-4.77) 1.256 (5.00) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.019 m 0.037 m 18.249 (0.34) 24.196 (0.26) 21.493 (0.29) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.011 m/s 18.249 (0.34) 32.702 (0.19) 11.884 (0.53) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.003 m/s^2 0.006 m/s^2 18.249 (0.34) -4.963 (-1.27) 3.582 (1.75) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.011 m 0.022 m 18.249 (0.34) -519.950 (-0.01) 8.861 (0.71) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.008 m/s 0.016 m/s 18.249 (0.34) -4.313 (-1.46) 3.754 (1.67) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.013 m/s^2 0.026 m/s^2 18.249 (0.34) -3.355 (-1.87) 3.305 (1.90) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.005 SM 0.000 % 0.000 % -- -- --

Design Speed, 17 kn; 0.619 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 0.619 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 18.249 (0.34) 21.785 (0.29) 16.267 (0.39) s (rad/s)
Added resistance 1.428 kN -- -- 18.249 (0.34) 24.067 (0.26) 18.152 (0.35) s (rad/s)
Heave motion 0.018 m^2 0.135 m 0.271 m 18.249 (0.34) 19.318 (0.33) 18.253 (0.34) s (rad/s)
Roll motion 0.00002 rad^2 0.00432 rad 0.00864 rad 18.249 (0.34) -636.070 (-0.01) 8.886 (0.71) s (rad/s)
Pitch motion 0.00005 rad^2 0.00727 rad 0.01453 rad 18.249 (0.34) 24.219 (0.26) 21.502 (0.29) s (rad/s)
Heave velocity 0.002 m^2/s^2 0.047 m/s 0.093 m/s 18.249 (0.34) 31.808 (0.20) 10.886 (0.58) s (rad/s)
Roll velocity 0.00001 (rad/s)^2 0.00306 rad/s 0.00611 rad/s 18.249 (0.34) -4.318 (-1.46) 3.754 (1.67) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00212 rad/s 0.00425 rad/s 18.249 (0.34) 32.783 (0.19) 11.868 (0.53) s (rad/s)
Heave acceleration 0.001 m^2/s^4 0.027 m/s^2 0.054 m/s^2 18.249 (0.34) -4.801 (-1.31) 3.544 (1.77) s (rad/s)
Roll acceleration 0.00003 (rad/s/s)^2 0.00511 rad/s/s 0.01023 rad/s/s 18.249 (0.34) -3.353 (-1.87) 3.303 (1.90) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00112 rad/s/s 0.00225 rad/s/s 18.249 (0.34) -4.950 (-1.27) 3.578 (1.76) s (rad/s)
passenger deck aft: Abs. vert. motion 0.016 m^2 0.126 m 0.253 m 18.249 (0.34) 20.349 (0.31) 18.054 (0.35) s (rad/s)
passenger deck aft: Rel. vert. motion 0.010 m^2 0.099 m 0.197 m 18.249 (0.34) 41.302 (0.15) 14.298 (0.44) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.002 m^2/s^2 0.044 m/s 0.088 m/s 18.249 (0.34) 78.537 (0.08) 8.725 (0.72) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.002 m^2/s^2 0.043 m/s 0.087 m/s 18.249 (0.34) -3.119 (-2.01) 2.134 (2.94) s (rad/s)
passenger deck aft: Abs. vert. accel 0.001 m^2/s^4 0.032 m/s^2 0.063 m/s^2 18.249 (0.34) -3.889 (-1.62) 3.259 (1.93) s (rad/s)
passenger deck aft: Rel. vert. accel 0.016 m^2/s^4 0.128 m/s^2 0.255 m/s^2 18.249 (0.34) -1.335 (-4.71) 1.276 (4.92) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.020 m 0.041 m 18.249 (0.34) 24.186 (0.26) 21.488 (0.29) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.006 m/s 0.012 m/s 18.249 (0.34) 32.671 (0.19) 11.888 (0.53) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.003 m/s^2 0.006 m/s^2 18.249 (0.34) -4.966 (-1.27) 3.583 (1.75) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.012 m 0.024 m 18.249 (0.34) -631.264 (-0.01) 8.888 (0.71) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.009 m/s 0.017 m/s 18.249 (0.34) -4.322 (-1.45) 3.757 (1.67) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.014 m/s^2 0.029 m/s^2 18.249 (0.34) -3.356 (-1.87) 3.305 (1.90) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.040 SM 0.000 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.037 m^2 0.191 m 0.382 m 18.249 (0.34) 20.007 (0.31) 19.499 (0.32) s (rad/s)
passenger deck forward: Rel. vert. motion 0.035 m^2 0.188 m 0.376 m 18.249 (0.34) 23.678 (0.27) 18.535 (0.34) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.004 m^2/s^2 0.062 m/s 0.123 m/s 18.249 (0.34) 20.339 (0.31) 16.908 (0.37) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.004 m^2/s^2 0.064 m/s 0.127 m/s 18.249 (0.34) -9.852 (-0.64) 3.212 (1.96) s (rad/s)
passenger deck forward: Abs. vert. accel 0.001 m^2/s^4 0.023 m/s^2 0.046 m/s^2 18.249 (0.34) -36.219 (-0.17) 6.216 (1.01) s (rad/s)
passenger deck forward: Rel. vert. accel 0.016 m^2/s^4 0.125 m/s^2 0.249 m/s^2 18.249 (0.34) -1.324 (-4.75) 1.262 (4.98) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.020 m 0.041 m 18.249 (0.34) 24.186 (0.26) 21.488 (0.29) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.006 m/s 0.012 m/s 18.249 (0.34) 32.671 (0.19) 11.888 (0.53) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.003 m/s^2 0.006 m/s^2 18.249 (0.34) -4.966 (-1.27) 3.583 (1.75) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.012 m 0.024 m 18.249 (0.34) -631.264 (-0.01) 8.888 (0.71) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.009 m/s 0.017 m/s 18.249 (0.34) -4.322 (-1.45) 3.757 (1.67) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.014 m/s^2 0.029 m/s^2 18.249 (0.34) -3.356 (-1.87) 3.305 (1.90) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.013 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.037 m^2 0.191 m 0.382 m 18.249 (0.34) 20.007 (0.31) 19.499 (0.32) s (rad/s)
Bridge deck: Rel. vert. motion 0.035 m^2 0.188 m 0.376 m 18.249 (0.34) 23.678 (0.27) 18.535 (0.34) s (rad/s)
Bridge deck: Abs. vert. velocity 0.004 m^2/s^2 0.062 m/s 0.123 m/s 18.249 (0.34) 20.339 (0.31) 16.908 (0.37) s (rad/s)
Bridge deck: Rel. vert. velocity 0.004 m^2/s^2 0.064 m/s 0.127 m/s 18.249 (0.34) -9.852 (-0.64) 3.212 (1.96) s (rad/s)
Bridge deck: Abs. vert. accel 0.001 m^2/s^4 0.023 m/s^2 0.046 m/s^2 18.249 (0.34) -36.219 (-0.17) 6.216 (1.01) s (rad/s)
Bridge deck: Rel. vert. accel 0.016 m^2/s^4 0.125 m/s^2 0.249 m/s^2 18.249 (0.34) -1.324 (-4.75) 1.262 (4.98) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.001 m^2 0.037 m 0.074 m 18.249 (0.34) 24.186 (0.26) 21.488 (0.29) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.011 m/s 0.022 m/s 18.249 (0.34) 32.671 (0.19) 11.888 (0.53) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.006 m/s^2 0.011 m/s^2 18.249 (0.34) -4.966 (-1.27) 3.583 (1.75) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.022 m 0.044 m 18.249 (0.34) -631.264 (-0.01) 8.888 (0.71) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.016 m/s 0.031 m/s 18.249 (0.34) -4.322 (-1.45) 3.757 (1.67) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.001 m^2/s^4 0.026 m/s^2 0.052 m/s^2 18.249 (0.34) -3.356 (-1.87) 3.305 (1.90) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.013 SM 0.000 % 0.000 % -- -- --

Design Speed, 17 kn; 0.619 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.965 s -- -- -- -- --
Characteristic wave height 1.200 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 0.619 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.090 m^2 0.300 m 0.601 m 9.969 (0.63) 8.348 (0.75) 7.856 (0.80) s (rad/s)
Encountered wave spectrum 0.090 m^2 0.300 m 0.601 m 18.249 (0.34) 21.799 (0.29) 16.252 (0.39) s (rad/s)
Added resistance 5.721 kN -- -- 18.249 (0.34) 24.078 (0.26) 18.146 (0.35) s (rad/s)
Heave motion 0.073 m^2 0.270 m 0.541 m 18.249 (0.34) 19.319 (0.33) 18.251 (0.34) s (rad/s)
Roll motion 0.00007 rad^2 0.00866 rad 0.01731 rad 18.249 (0.34) -549.342 (-0.01) 8.866 (0.71) s (rad/s)
Pitch motion 0.00021 rad^2 0.01455 rad 0.02910 rad 18.249 (0.34) 24.224 (0.26) 21.505 (0.29) s (rad/s)
Heave velocity 0.009 m^2/s^2 0.093 m/s 0.186 m/s 18.249 (0.34) 31.857 (0.20) 10.878 (0.58) s (rad/s)
Roll velocity 0.00004 (rad/s)^2 0.00613 rad/s 0.01227 rad/s 18.249 (0.34) -4.313 (-1.46) 3.753 (1.67) s (rad/s)
Pitch velocity 0.00002 (rad/s)^2 0.00425 rad/s 0.00850 rad/s 18.249 (0.34) 32.775 (0.19) 11.872 (0.53) s (rad/s)
Heave acceleration 0.003 m^2/s^4 0.054 m/s^2 0.108 m/s^2 18.249 (0.34) -4.797 (-1.31) 3.543 (1.77) s (rad/s)
Roll acceleration 0.00011 (rad/s/s)^2 0.01027 rad/s/s 0.02054 rad/s/s 18.249 (0.34) -3.353 (-1.87) 3.304 (1.90) s (rad/s)
Pitch acceleration 0.00001 (rad/s/s)^2 0.00225 rad/s/s 0.00450 rad/s/s 18.249 (0.34) -4.952 (-1.27) 3.578 (1.76) s (rad/s)
passenger deck aft: Abs. vert. motion 0.064 m^2 0.253 m 0.505 m 18.249 (0.34) 20.354 (0.31) 18.051 (0.35) s (rad/s)
passenger deck aft: Rel. vert. motion 0.039 m^2 0.198 m 0.395 m 18.249 (0.34) 41.341 (0.15) 14.287 (0.44) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.008 m^2/s^2 0.088 m/s 0.176 m/s 18.249 (0.34) 79.129 (0.08) 8.718 (0.72) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.008 m^2/s^2 0.087 m/s 0.174 m/s 18.249 (0.34) -3.108 (-2.02) 2.128 (2.95) s (rad/s)
passenger deck aft: Abs. vert. accel 0.004 m^2/s^4 0.063 m/s^2 0.127 m/s^2 18.249 (0.34) -3.887 (-1.62) 3.257 (1.93) s (rad/s)
passenger deck aft: Rel. vert. accel 0.066 m^2/s^4 0.257 m/s^2 0.513 m/s^2 18.249 (0.34) -1.331 (-4.72) 1.273 (4.94) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.002 m^2 0.041 m 0.081 m 18.249 (0.34) 24.190 (0.26) 21.491 (0.29) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.012 m/s 0.024 m/s 18.249 (0.34) 32.664 (0.19) 11.891 (0.53) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.006 m/s^2 0.013 m/s^2 18.249 (0.34) -4.967 (-1.26) 3.583 (1.75) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.001 m^2 0.024 m 0.048 m 18.249 (0.34) -544.160 (-0.01) 8.868 (0.71) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.017 m/s 0.034 m/s 18.249 (0.34) -4.317 (-1.46) 3.756 (1.67) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.001 m^2/s^4 0.029 m/s^2 0.057 m/s^2 18.249 (0.34) -3.356 (-1.87) 3.306 (1.90) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.107 SM 0.008 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.146 m^2 0.383 m 0.765 m 18.249 (0.34) 20.010 (0.31) 19.500 (0.32) s (rad/s)
passenger deck forward: Rel. vert. motion 0.141 m^2 0.376 m 0.752 m 18.249 (0.34) 23.686 (0.27) 18.528 (0.34) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.015 m^2/s^2 0.123 m/s 0.247 m/s 18.249 (0.34) 20.341 (0.31) 16.906 (0.37) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.016 m^2/s^2 0.128 m/s 0.255 m/s 18.249 (0.34) -9.779 (-0.64) 3.200 (1.96) s (rad/s)
passenger deck forward: Abs. vert. accel 0.002 m^2/s^4 0.046 m/s^2 0.092 m/s^2 18.249 (0.34) -36.129 (-0.17) 6.213 (1.01) s (rad/s)
passenger deck forward: Rel. vert. accel 0.063 m^2/s^4 0.250 m/s^2 0.501 m/s^2 18.249 (0.34) -1.320 (-4.76) 1.259 (4.99) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.002 m^2 0.041 m 0.081 m 18.249 (0.34) 24.190 (0.26) 21.491 (0.29) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.012 m/s 0.024 m/s 18.249 (0.34) 32.664 (0.19) 11.891 (0.53) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.006 m/s^2 0.013 m/s^2 18.249 (0.34) -4.967 (-1.26) 3.583 (1.75) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.001 m^2 0.024 m 0.048 m 18.249 (0.34) -544.160 (-0.01) 8.868 (0.71) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.017 m/s 0.034 m/s 18.249 (0.34) -4.317 (-1.46) 3.756 (1.67) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.001 m^2/s^4 0.029 m/s^2 0.057 m/s^2 18.249 (0.34) -3.356 (-1.87) 3.306 (1.90) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.035 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.146 m^2 0.383 m 0.765 m 18.249 (0.34) 20.010 (0.31) 19.500 (0.32) s (rad/s)
Bridge deck: Rel. vert. motion 0.141 m^2 0.376 m 0.752 m 18.249 (0.34) 23.686 (0.27) 18.528 (0.34) s (rad/s)
Bridge deck: Abs. vert. velocity 0.015 m^2/s^2 0.123 m/s 0.247 m/s 18.249 (0.34) 20.341 (0.31) 16.906 (0.37) s (rad/s)
Bridge deck: Rel. vert. velocity 0.016 m^2/s^2 0.128 m/s 0.255 m/s 18.249 (0.34) -9.779 (-0.64) 3.200 (1.96) s (rad/s)
Bridge deck: Abs. vert. accel 0.002 m^2/s^4 0.046 m/s^2 0.092 m/s^2 18.249 (0.34) -36.129 (-0.17) 6.213 (1.01) s (rad/s)
Bridge deck: Rel. vert. accel 0.063 m^2/s^4 0.250 m/s^2 0.501 m/s^2 18.249 (0.34) -1.320 (-4.76) 1.259 (4.99) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.006 m^2 0.074 m 0.148 m 18.249 (0.34) 24.190 (0.26) 21.491 (0.29) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.022 m/s 0.043 m/s 18.249 (0.34) 32.664 (0.19) 11.891 (0.53) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.011 m/s^2 0.023 m/s^2 18.249 (0.34) -4.967 (-1.26) 3.583 (1.75) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.002 m^2 0.044 m 0.088 m 18.249 (0.34) -544.160 (-0.01) 8.868 (0.71) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.001 m^2/s^2 0.031 m/s 0.062 m/s 18.249 (0.34) -4.317 (-1.46) 3.756 (1.67) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.003 m^2/s^4 0.052 m/s^2 0.105 m/s^2 18.249 (0.34) -3.356 (-1.87) 3.306 (1.90) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.035 SM 0.000 % 0.000 % -- -- --

Design Speed, 17 kn; 0.619 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 2.000 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 0.619 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.251 m^2 0.501 m 1.001 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.251 m^2 0.501 m 1.001 m 18.249 (0.34) 21.785 (0.29) 16.267 (0.39) s (rad/s)
Added resistance 15.869 kN -- -- 18.249 (0.34) 24.067 (0.26) 18.152 (0.35) s (rad/s)
Heave motion 0.203 m^2 0.451 m 0.902 m 18.249 (0.34) 19.318 (0.33) 18.253 (0.34) s (rad/s)
Roll motion 0.00021 rad^2 0.01441 rad 0.02882 rad 18.249 (0.34) -636.070 (-0.01) 8.886 (0.71) s (rad/s)
Pitch motion 0.00059 rad^2 0.02422 rad 0.04843 rad 18.249 (0.34) 24.219 (0.26) 21.502 (0.29) s (rad/s)
Heave velocity 0.024 m^2/s^2 0.155 m/s 0.310 m/s 18.249 (0.34) 31.808 (0.20) 10.886 (0.58) s (rad/s)
Roll velocity 0.00010 (rad/s)^2 0.01019 rad/s 0.02037 rad/s 18.249 (0.34) -4.318 (-1.46) 3.754 (1.67) s (rad/s)
Pitch velocity 0.00005 (rad/s)^2 0.00708 rad/s 0.01415 rad/s 18.249 (0.34) 32.783 (0.19) 11.868 (0.53) s (rad/s)
Heave acceleration 0.008 m^2/s^4 0.090 m/s^2 0.179 m/s^2 18.249 (0.34) -4.801 (-1.31) 3.544 (1.77) s (rad/s)
Roll acceleration 0.00029 (rad/s/s)^2 0.01705 rad/s/s 0.03410 rad/s/s 18.249 (0.34) -3.353 (-1.87) 3.303 (1.90) s (rad/s)
Pitch acceleration 0.00001 (rad/s/s)^2 0.00375 rad/s/s 0.00749 rad/s/s 18.249 (0.34) -4.950 (-1.27) 3.578 (1.76) s (rad/s)
passenger deck aft: Abs. vert. motion 0.177 m^2 0.421 m 0.842 m 18.249 (0.34) 20.349 (0.31) 18.054 (0.35) s (rad/s)
passenger deck aft: Rel. vert. motion 0.108 m^2 0.329 m 0.658 m 18.249 (0.34) 41.302 (0.15) 14.298 (0.44) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.021 m^2/s^2 0.147 m/s 0.293 m/s 18.249 (0.34) 78.537 (0.08) 8.725 (0.72) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.021 m^2/s^2 0.145 m/s 0.289 m/s 18.249 (0.34) -3.119 (-2.01) 2.134 (2.94) s (rad/s)
passenger deck aft: Abs. vert. accel 0.011 m^2/s^4 0.105 m/s^2 0.211 m/s^2 18.249 (0.34) -3.889 (-1.62) 3.259 (1.93) s (rad/s)
passenger deck aft: Rel. vert. accel 0.181 m^2/s^4 0.425 m/s^2 0.851 m/s^2 18.249 (0.34) -1.335 (-4.71) 1.276 (4.92) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.005 m^2 0.068 m 0.135 m 18.249 (0.34) 24.186 (0.26) 21.488 (0.29) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.020 m/s 0.040 m/s 18.249 (0.34) 32.671 (0.19) 11.888 (0.53) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.010 m/s^2 0.021 m/s^2 18.249 (0.34) -4.966 (-1.27) 3.583 (1.75) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.002 m^2 0.040 m 0.081 m 18.249 (0.34) -631.264 (-0.01) 8.888 (0.71) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.001 m^2/s^2 0.028 m/s 0.057 m/s 18.249 (0.34) -4.322 (-1.45) 3.757 (1.67) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.002 m^2/s^4 0.048 m/s^2 0.095 m/s^2 18.249 (0.34) -3.356 (-1.87) 3.305 (1.90) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.222 SM 0.061 % 0.004 % -- -- --
passenger deck forward: Abs. vert. motion 0.406 m^2 0.637 m 1.275 m 18.249 (0.34) 20.007 (0.31) 19.499 (0.32) s (rad/s)
passenger deck forward: Rel. vert. motion 0.392 m^2 0.626 m 1.252 m 18.249 (0.34) 23.678 (0.27) 18.535 (0.34) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.042 m^2/s^2 0.205 m/s 0.411 m/s 18.249 (0.34) 20.339 (0.31) 16.908 (0.37) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.045 m^2/s^2 0.212 m/s 0.424 m/s 18.249 (0.34) -9.852 (-0.64) 3.212 (1.96) s (rad/s)
passenger deck forward: Abs. vert. accel 0.006 m^2/s^4 0.076 m/s^2 0.153 m/s^2 18.249 (0.34) -36.219 (-0.17) 6.216 (1.01) s (rad/s)
passenger deck forward: Rel. vert. accel 0.172 m^2/s^4 0.415 m/s^2 0.830 m/s^2 18.249 (0.34) -1.324 (-4.75) 1.262 (4.98) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.005 m^2 0.068 m 0.135 m 18.249 (0.34) 24.186 (0.26) 21.488 (0.29) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.020 m/s 0.040 m/s 18.249 (0.34) 32.671 (0.19) 11.888 (0.53) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.010 m/s^2 0.021 m/s^2 18.249 (0.34) -4.966 (-1.27) 3.583 (1.75) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.002 m^2 0.040 m 0.081 m 18.249 (0.34) -631.264 (-0.01) 8.888 (0.71) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.001 m^2/s^2 0.028 m/s 0.057 m/s 18.249 (0.34) -4.322 (-1.45) 3.757 (1.67) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.002 m^2/s^4 0.048 m/s^2 0.095 m/s^2 18.249 (0.34) -3.356 (-1.87) 3.305 (1.90) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.073 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.406 m^2 0.637 m 1.275 m 18.249 (0.34) 20.007 (0.31) 19.499 (0.32) s (rad/s)
Bridge deck: Rel. vert. motion 0.392 m^2 0.626 m 1.252 m 18.249 (0.34) 23.678 (0.27) 18.535 (0.34) s (rad/s)
Bridge deck: Abs. vert. velocity 0.042 m^2/s^2 0.205 m/s 0.411 m/s 18.249 (0.34) 20.339 (0.31) 16.908 (0.37) s (rad/s)
Bridge deck: Rel. vert. velocity 0.045 m^2/s^2 0.212 m/s 0.424 m/s 18.249 (0.34) -9.852 (-0.64) 3.212 (1.96) s (rad/s)
Bridge deck: Abs. vert. accel 0.006 m^2/s^4 0.076 m/s^2 0.153 m/s^2 18.249 (0.34) -36.219 (-0.17) 6.216 (1.01) s (rad/s)
Bridge deck: Rel. vert. accel 0.172 m^2/s^4 0.415 m/s^2 0.830 m/s^2 18.249 (0.34) -1.324 (-4.75) 1.262 (4.98) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.015 m^2 0.123 m 0.247 m 18.249 (0.34) 24.186 (0.26) 21.488 (0.29) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.001 m^2/s^2 0.036 m/s 0.072 m/s 18.249 (0.34) 32.671 (0.19) 11.888 (0.53) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.019 m/s^2 0.038 m/s^2 18.249 (0.34) -4.966 (-1.27) 3.583 (1.75) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.005 m^2 0.073 m 0.147 m 18.249 (0.34) -631.264 (-0.01) 8.888 (0.71) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.003 m^2/s^2 0.052 m/s 0.104 m/s 18.249 (0.34) -4.322 (-1.45) 3.757 (1.67) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.008 m^2/s^4 0.087 m/s^2 0.174 m/s^2 18.249 (0.34) -3.356 (-1.87) 3.305 (1.90) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.073 SM 0.000 % 0.000 % -- -- --

Design Speed, 17 kn; 0.885 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.956 s -- -- -- -- --
Characteristic wave height 0.300 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 0.885 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.006 m^2 0.075 m 0.150 m 9.960 (0.63) 8.340 (0.75) 7.849 (0.80) s (rad/s)
Encountered wave spectrum 0.006 m^2 0.075 m 0.150 m 14.195 (0.44) 16.049 (0.39) 14.892 (0.42) s (rad/s)
Added resistance 0.331 kN -- -- 14.195 (0.44) 17.015 (0.37) 15.313 (0.41) s (rad/s)
Heave motion 0.004 m^2 0.066 m 0.132 m 14.195 (0.44) 15.491 (0.41) 15.286 (0.41) s (rad/s)
Roll motion 0.00001 rad^2 0.00269 rad 0.00538 rad 14.195 (0.44) 22.735 (0.28) 11.468 (0.55) s (rad/s)
Pitch motion 0.00000 rad^2 0.00199 rad 0.00397 rad 14.195 (0.44) 16.442 (0.38) 15.430 (0.41) s (rad/s)
Heave velocity 0.001 m^2/s^2 0.027 m/s 0.054 m/s 14.195 (0.44) 16.438 (0.38) 13.617 (0.46) s (rad/s)
Roll velocity 0.00000 (rad/s)^2 0.00147 rad/s 0.00295 rad/s 14.195 (0.44) -9.443 (-0.67) 4.846 (1.30) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00081 rad/s 0.00162 rad/s 14.195 (0.44) 17.397 (0.36) 12.444 (0.50) s (rad/s)
Heave acceleration 0.000 m^2/s^4 0.012 m/s^2 0.025 m/s^2 14.195 (0.44) -54.721 (-0.11) 6.081 (1.03) s (rad/s)
Roll acceleration 0.00000 (rad/s/s)^2 0.00191 rad/s/s 0.00382 rad/s/s 14.195 (0.44) -3.670 (-1.71) 3.506 (1.79) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00041 rad/s/s 0.00082 rad/s/s 14.195 (0.44) -15.961 (-0.39) 5.029 (1.25) s (rad/s)
passenger deck aft: Abs. vert. motion 0.004 m^2 0.064 m 0.127 m 14.195 (0.44) 15.708 (0.40) 15.315 (0.41) s (rad/s)
passenger deck aft: Rel. vert. motion 0.002 m^2 0.040 m 0.079 m 14.195 (0.44) 18.894 (0.33) 13.766 (0.46) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.001 m^2/s^2 0.026 m/s 0.052 m/s 14.195 (0.44) 17.508 (0.36) 12.693 (0.50) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.000 m^2/s^2 0.018 m/s 0.036 m/s 14.195 (0.44) -16.090 (-0.39) 4.405 (1.43) s (rad/s)
passenger deck aft: Abs. vert. accel 0.000 m^2/s^4 0.013 m/s^2 0.026 m/s^2 14.195 (0.44) -15.851 (-0.40) 5.054 (1.24) s (rad/s)
passenger deck aft: Rel. vert. accel 0.001 m^2/s^4 0.026 m/s^2 0.052 m/s^2 14.195 (0.44) -2.135 (-2.94) 1.983 (3.17) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.006 m 0.011 m 14.195 (0.44) 16.434 (0.38) 15.428 (0.41) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.002 m/s 0.005 m/s 14.195 (0.44) 17.382 (0.36) 12.453 (0.50) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.001 m/s^2 0.002 m/s^2 14.195 (0.44) -16.101 (-0.39) 5.040 (1.25) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.008 m 0.015 m 14.195 (0.44) 22.749 (0.28) 11.470 (0.55) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.004 m/s 0.008 m/s 14.195 (0.44) -9.449 (-0.66) 4.849 (1.30) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.005 m/s^2 0.011 m/s^2 14.195 (0.44) -3.673 (-1.71) 3.509 (1.79) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.008 SM 0.000 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.006 m^2 0.077 m 0.154 m 14.195 (0.44) 15.371 (0.41) 15.274 (0.41) s (rad/s)
passenger deck forward: Rel. vert. motion 0.003 m^2 0.059 m 0.117 m 14.195 (0.44) 16.195 (0.39) 14.423 (0.44) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.001 m^2/s^2 0.032 m/s 0.063 m/s 14.195 (0.44) 15.376 (0.41) 14.856 (0.42) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.001 m^2/s^2 0.025 m/s 0.051 m/s 14.195 (0.44) 98.806 (0.06) 6.186 (1.02) s (rad/s)
passenger deck forward: Abs. vert. accel 0.000 m^2/s^4 0.013 m/s^2 0.027 m/s^2 14.195 (0.44) 20.115 (0.31) 10.669 (0.59) s (rad/s)
passenger deck forward: Rel. vert. accel 0.001 m^2/s^4 0.026 m/s^2 0.052 m/s^2 14.195 (0.44) -2.334 (-2.69) 2.038 (3.08) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.006 m 0.011 m 14.195 (0.44) 16.434 (0.38) 15.428 (0.41) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.002 m/s 0.005 m/s 14.195 (0.44) 17.382 (0.36) 12.453 (0.50) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.001 m/s^2 0.002 m/s^2 14.195 (0.44) -16.101 (-0.39) 5.040 (1.25) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.008 m 0.015 m 14.195 (0.44) 22.749 (0.28) 11.470 (0.55) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.004 m/s 0.008 m/s 14.195 (0.44) -9.449 (-0.66) 4.849 (1.30) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.005 m/s^2 0.011 m/s^2 14.195 (0.44) -3.673 (-1.71) 3.509 (1.79) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.007 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.006 m^2 0.077 m 0.154 m 14.195 (0.44) 15.371 (0.41) 15.274 (0.41) s (rad/s)
Bridge deck: Rel. vert. motion 0.003 m^2 0.059 m 0.117 m 14.195 (0.44) 16.195 (0.39) 14.423 (0.44) s (rad/s)
Bridge deck: Abs. vert. velocity 0.001 m^2/s^2 0.032 m/s 0.063 m/s 14.195 (0.44) 15.376 (0.41) 14.856 (0.42) s (rad/s)
Bridge deck: Rel. vert. velocity 0.001 m^2/s^2 0.025 m/s 0.051 m/s 14.195 (0.44) 98.806 (0.06) 6.186 (1.02) s (rad/s)
Bridge deck: Abs. vert. accel 0.000 m^2/s^4 0.013 m/s^2 0.027 m/s^2 14.195 (0.44) 20.115 (0.31) 10.669 (0.59) s (rad/s)
Bridge deck: Rel. vert. accel 0.001 m^2/s^4 0.026 m/s^2 0.052 m/s^2 14.195 (0.44) -2.334 (-2.69) 2.038 (3.08) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.010 m 0.020 m 14.195 (0.44) 16.434 (0.38) 15.428 (0.41) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.004 m/s 0.008 m/s 14.195 (0.44) 17.382 (0.36) 12.453 (0.50) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.002 m/s^2 0.004 m/s^2 14.195 (0.44) -16.101 (-0.39) 5.040 (1.25) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.014 m 0.027 m 14.195 (0.44) 22.749 (0.28) 11.470 (0.55) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.008 m/s 0.015 m/s 14.195 (0.44) -9.449 (-0.66) 4.849 (1.30) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.010 m/s^2 0.019 m/s^2 14.195 (0.44) -3.673 (-1.71) 3.509 (1.79) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.007 SM 0.000 % 0.000 % -- -- --

Design Speed, 17 kn; 0.885 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 0.885 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.301 m 14.195 (0.44) 16.051 (0.39) 14.906 (0.42) s (rad/s)
Added resistance 1.320 kN -- -- 14.195 (0.44) 17.011 (0.37) 15.319 (0.41) s (rad/s)
Heave motion 0.017 m^2 0.132 m 0.263 m 14.195 (0.44) 15.500 (0.41) 15.296 (0.41) s (rad/s)
Roll motion 0.00003 rad^2 0.00537 rad 0.01074 rad 14.195 (0.44) 22.691 (0.28) 11.483 (0.55) s (rad/s)
Pitch motion 0.00002 rad^2 0.00396 rad 0.00793 rad 14.195 (0.44) 16.441 (0.38) 15.431 (0.41) s (rad/s)
Heave velocity 0.003 m^2/s^2 0.054 m/s 0.108 m/s 14.195 (0.44) 16.440 (0.38) 13.632 (0.46) s (rad/s)
Roll velocity 0.00001 (rad/s)^2 0.00294 rad/s 0.00588 rad/s 14.195 (0.44) -9.483 (-0.66) 4.852 (1.29) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00161 rad/s 0.00323 rad/s 14.195 (0.44) 17.396 (0.36) 12.446 (0.50) s (rad/s)
Heave acceleration 0.001 m^2/s^4 0.025 m/s^2 0.050 m/s^2 14.195 (0.44) -55.845 (-0.11) 6.095 (1.03) s (rad/s)
Roll acceleration 0.00001 (rad/s/s)^2 0.00380 rad/s/s 0.00761 rad/s/s 14.195 (0.44) -3.671 (-1.71) 3.507 (1.79) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00081 rad/s/s 0.00163 rad/s/s 14.195 (0.44) -15.986 (-0.39) 5.032 (1.25) s (rad/s)
passenger deck aft: Abs. vert. motion 0.016 m^2 0.127 m 0.254 m 14.195 (0.44) 15.716 (0.40) 15.324 (0.41) s (rad/s)
passenger deck aft: Rel. vert. motion 0.006 m^2 0.079 m 0.158 m 14.195 (0.44) 18.882 (0.33) 13.780 (0.46) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.003 m^2/s^2 0.052 m/s 0.104 m/s 14.195 (0.44) 17.502 (0.36) 12.712 (0.49) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.001 m^2/s^2 0.036 m/s 0.072 m/s 14.195 (0.44) -16.396 (-0.38) 4.436 (1.42) s (rad/s)
passenger deck aft: Abs. vert. accel 0.001 m^2/s^4 0.026 m/s^2 0.052 m/s^2 14.195 (0.44) -15.984 (-0.39) 5.065 (1.24) s (rad/s)
passenger deck aft: Rel. vert. accel 0.003 m^2/s^4 0.051 m/s^2 0.102 m/s^2 14.195 (0.44) -2.150 (-2.92) 1.996 (3.15) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.011 m 0.022 m 14.195 (0.44) 16.433 (0.38) 15.428 (0.41) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.009 m/s 14.195 (0.44) 17.381 (0.36) 12.456 (0.50) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.002 m/s^2 0.005 m/s^2 14.195 (0.44) -16.127 (-0.39) 5.043 (1.25) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.015 m 0.030 m 14.195 (0.44) 22.704 (0.28) 11.484 (0.55) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.008 m/s 0.016 m/s 14.195 (0.44) -9.489 (-0.66) 4.855 (1.29) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.011 m/s^2 0.021 m/s^2 14.195 (0.44) -3.675 (-1.71) 3.510 (1.79) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.021 SM 0.000 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.024 m^2 0.154 m 0.308 m 14.195 (0.44) 15.379 (0.41) 15.282 (0.41) s (rad/s)
passenger deck forward: Rel. vert. motion 0.014 m^2 0.117 m 0.233 m 14.195 (0.44) 16.193 (0.39) 14.432 (0.44) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.004 m^2/s^2 0.063 m/s 0.126 m/s 14.195 (0.44) 15.383 (0.41) 14.864 (0.42) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.003 m^2/s^2 0.051 m/s 0.102 m/s 14.195 (0.44) 92.796 (0.07) 6.233 (1.01) s (rad/s)
passenger deck forward: Abs. vert. accel 0.001 m^2/s^4 0.027 m/s^2 0.053 m/s^2 14.195 (0.44) 20.097 (0.31) 10.684 (0.59) s (rad/s)
passenger deck forward: Rel. vert. accel 0.003 m^2/s^4 0.051 m/s^2 0.102 m/s^2 14.195 (0.44) -2.356 (-2.67) 2.053 (3.06) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.011 m 0.022 m 14.195 (0.44) 16.433 (0.38) 15.428 (0.41) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.009 m/s 14.195 (0.44) 17.381 (0.36) 12.456 (0.50) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.002 m/s^2 0.005 m/s^2 14.195 (0.44) -16.127 (-0.39) 5.043 (1.25) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.015 m 0.030 m 14.195 (0.44) 22.704 (0.28) 11.484 (0.55) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.008 m/s 0.016 m/s 14.195 (0.44) -9.489 (-0.66) 4.855 (1.29) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.011 m/s^2 0.021 m/s^2 14.195 (0.44) -3.675 (-1.71) 3.510 (1.79) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.019 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.024 m^2 0.154 m 0.308 m 14.195 (0.44) 15.379 (0.41) 15.282 (0.41) s (rad/s)
Bridge deck: Rel. vert. motion 0.014 m^2 0.117 m 0.233 m 14.195 (0.44) 16.193 (0.39) 14.432 (0.44) s (rad/s)
Bridge deck: Abs. vert. velocity 0.004 m^2/s^2 0.063 m/s 0.126 m/s 14.195 (0.44) 15.383 (0.41) 14.864 (0.42) s (rad/s)
Bridge deck: Rel. vert. velocity 0.003 m^2/s^2 0.051 m/s 0.102 m/s 14.195 (0.44) 92.796 (0.07) 6.233 (1.01) s (rad/s)
Bridge deck: Abs. vert. accel 0.001 m^2/s^4 0.027 m/s^2 0.053 m/s^2 14.195 (0.44) 20.097 (0.31) 10.684 (0.59) s (rad/s)
Bridge deck: Rel. vert. accel 0.003 m^2/s^4 0.051 m/s^2 0.102 m/s^2 14.195 (0.44) -2.356 (-2.67) 2.053 (3.06) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.020 m 0.040 m 14.195 (0.44) 16.433 (0.38) 15.428 (0.41) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.008 m/s 0.016 m/s 14.195 (0.44) 17.381 (0.36) 12.456 (0.50) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.004 m/s^2 0.008 m/s^2 14.195 (0.44) -16.127 (-0.39) 5.043 (1.25) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.001 m^2 0.027 m 0.055 m 14.195 (0.44) 22.704 (0.28) 11.484 (0.55) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.015 m/s 0.030 m/s 14.195 (0.44) -9.489 (-0.66) 4.855 (1.29) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.019 m/s^2 0.039 m/s^2 14.195 (0.44) -3.675 (-1.71) 3.510 (1.79) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.019 SM 0.000 % 0.000 % -- -- --

Design Speed, 17 kn; 0.885 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.965 s -- -- -- -- --
Characteristic wave height 1.200 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 0.885 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.090 m^2 0.300 m 0.601 m 9.969 (0.63) 8.348 (0.75) 7.856 (0.80) s (rad/s)
Encountered wave spectrum 0.090 m^2 0.301 m 0.601 m 14.195 (0.44) 16.050 (0.39) 14.898 (0.42) s (rad/s)
Added resistance 5.287 kN -- -- 14.195 (0.44) 17.012 (0.37) 15.316 (0.41) s (rad/s)
Heave motion 0.069 m^2 0.263 m 0.526 m 14.195 (0.44) 15.495 (0.41) 15.291 (0.41) s (rad/s)
Roll motion 0.00012 rad^2 0.01075 rad 0.02150 rad 14.195 (0.44) 22.754 (0.28) 11.462 (0.55) s (rad/s)
Pitch motion 0.00006 rad^2 0.00794 rad 0.01588 rad 14.195 (0.44) 16.441 (0.38) 15.431 (0.41) s (rad/s)
Heave velocity 0.012 m^2/s^2 0.108 m/s 0.216 m/s 14.195 (0.44) 16.438 (0.38) 13.624 (0.46) s (rad/s)
Roll velocity 0.00003 (rad/s)^2 0.00589 rad/s 0.01179 rad/s 14.195 (0.44) -9.420 (-0.67) 4.843 (1.30) s (rad/s)
Pitch velocity 0.00001 (rad/s)^2 0.00323 rad/s 0.00646 rad/s 14.195 (0.44) 17.395 (0.36) 12.446 (0.50) s (rad/s)
Heave acceleration 0.002 m^2/s^4 0.050 m/s^2 0.100 m/s^2 14.195 (0.44) -55.317 (-0.11) 6.088 (1.03) s (rad/s)
Roll acceleration 0.00006 (rad/s/s)^2 0.00765 rad/s/s 0.01529 rad/s/s 14.195 (0.44) -3.669 (-1.71) 3.506 (1.79) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00163 rad/s/s 0.00326 rad/s/s 14.195 (0.44) -15.981 (-0.39) 5.031 (1.25) s (rad/s)
passenger deck aft: Abs. vert. motion 0.065 m^2 0.254 m 0.508 m 14.195 (0.44) 15.712 (0.40) 15.319 (0.41) s (rad/s)
passenger deck aft: Rel. vert. motion 0.025 m^2 0.158 m 0.317 m 14.195 (0.44) 18.889 (0.33) 13.772 (0.46) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.011 m^2/s^2 0.104 m/s 0.209 m/s 14.195 (0.44) 17.504 (0.36) 12.702 (0.49) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.005 m^2/s^2 0.072 m/s 0.145 m/s 14.195 (0.44) -16.234 (-0.39) 4.420 (1.42) s (rad/s)
passenger deck aft: Abs. vert. accel 0.003 m^2/s^4 0.052 m/s^2 0.103 m/s^2 14.195 (0.44) -15.921 (-0.39) 5.059 (1.24) s (rad/s)
passenger deck aft: Rel. vert. accel 0.011 m^2/s^4 0.103 m/s^2 0.205 m/s^2 14.195 (0.44) -2.143 (-2.93) 1.990 (3.16) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.022 m 0.044 m 14.195 (0.44) 16.433 (0.38) 15.428 (0.41) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.009 m/s 0.018 m/s 14.195 (0.44) 17.380 (0.36) 12.455 (0.50) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.005 m/s^2 0.009 m/s^2 14.195 (0.44) -16.122 (-0.39) 5.042 (1.25) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.001 m^2 0.030 m 0.060 m 14.195 (0.44) 22.768 (0.28) 11.463 (0.55) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.016 m/s 0.033 m/s 14.195 (0.44) -9.425 (-0.67) 4.846 (1.30) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.021 m/s^2 0.043 m/s^2 14.195 (0.44) -3.672 (-1.71) 3.509 (1.79) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.058 SM 0.000 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.095 m^2 0.308 m 0.615 m 14.195 (0.44) 15.375 (0.41) 15.278 (0.41) s (rad/s)
passenger deck forward: Rel. vert. motion 0.055 m^2 0.234 m 0.468 m 14.195 (0.44) 16.194 (0.39) 14.428 (0.44) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.016 m^2/s^2 0.126 m/s 0.253 m/s 14.195 (0.44) 15.379 (0.41) 14.860 (0.42) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.010 m^2/s^2 0.102 m/s 0.204 m/s 14.195 (0.44) 95.763 (0.07) 6.209 (1.01) s (rad/s)
passenger deck forward: Abs. vert. accel 0.003 m^2/s^4 0.053 m/s^2 0.107 m/s^2 14.195 (0.44) 20.105 (0.31) 10.677 (0.59) s (rad/s)
passenger deck forward: Rel. vert. accel 0.011 m^2/s^4 0.103 m/s^2 0.206 m/s^2 14.195 (0.44) -2.345 (-2.68) 2.045 (3.07) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.022 m 0.044 m 14.195 (0.44) 16.433 (0.38) 15.428 (0.41) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.009 m/s 0.018 m/s 14.195 (0.44) 17.380 (0.36) 12.455 (0.50) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.005 m/s^2 0.009 m/s^2 14.195 (0.44) -16.122 (-0.39) 5.042 (1.25) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.001 m^2 0.030 m 0.060 m 14.195 (0.44) 22.768 (0.28) 11.463 (0.55) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.016 m/s 0.033 m/s 14.195 (0.44) -9.425 (-0.67) 4.846 (1.30) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.021 m/s^2 0.043 m/s^2 14.195 (0.44) -3.672 (-1.71) 3.509 (1.79) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.051 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.095 m^2 0.308 m 0.615 m 14.195 (0.44) 15.375 (0.41) 15.278 (0.41) s (rad/s)
Bridge deck: Rel. vert. motion 0.055 m^2 0.234 m 0.468 m 14.195 (0.44) 16.194 (0.39) 14.428 (0.44) s (rad/s)
Bridge deck: Abs. vert. velocity 0.016 m^2/s^2 0.126 m/s 0.253 m/s 14.195 (0.44) 15.379 (0.41) 14.860 (0.42) s (rad/s)
Bridge deck: Rel. vert. velocity 0.010 m^2/s^2 0.102 m/s 0.204 m/s 14.195 (0.44) 95.763 (0.07) 6.209 (1.01) s (rad/s)
Bridge deck: Abs. vert. accel 0.003 m^2/s^4 0.053 m/s^2 0.107 m/s^2 14.195 (0.44) 20.105 (0.31) 10.677 (0.59) s (rad/s)
Bridge deck: Rel. vert. accel 0.011 m^2/s^4 0.103 m/s^2 0.206 m/s^2 14.195 (0.44) -2.345 (-2.68) 2.045 (3.07) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.002 m^2 0.040 m 0.081 m 14.195 (0.44) 16.433 (0.38) 15.428 (0.41) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.016 m/s 0.033 m/s 14.195 (0.44) 17.380 (0.36) 12.455 (0.50) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.008 m/s^2 0.017 m/s^2 14.195 (0.44) -16.122 (-0.39) 5.042 (1.25) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.003 m^2 0.055 m 0.109 m 14.195 (0.44) 22.768 (0.28) 11.463 (0.55) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.001 m^2/s^2 0.030 m/s 0.060 m/s 14.195 (0.44) -9.425 (-0.67) 4.846 (1.30) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.002 m^2/s^4 0.039 m/s^2 0.078 m/s^2 14.195 (0.44) -3.672 (-1.71) 3.509 (1.79) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.051 SM 0.000 % 0.000 % -- -- --

Design Speed, 17 kn; 0.885 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 2.000 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 0.885 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.251 m^2 0.501 m 1.001 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.251 m^2 0.501 m 1.002 m 14.195 (0.44) 16.051 (0.39) 14.906 (0.42) s (rad/s)
Added resistance 14.667 kN -- -- 14.195 (0.44) 17.011 (0.37) 15.319 (0.41) s (rad/s)
Heave motion 0.193 m^2 0.439 m 0.878 m 14.195 (0.44) 15.500 (0.41) 15.296 (0.41) s (rad/s)
Roll motion 0.00032 rad^2 0.01790 rad 0.03579 rad 14.195 (0.44) 22.691 (0.28) 11.483 (0.55) s (rad/s)
Pitch motion 0.00017 rad^2 0.01321 rad 0.02642 rad 14.195 (0.44) 16.441 (0.38) 15.431 (0.41) s (rad/s)
Heave velocity 0.032 m^2/s^2 0.180 m/s 0.361 m/s 14.195 (0.44) 16.440 (0.38) 13.632 (0.46) s (rad/s)
Roll velocity 0.00010 (rad/s)^2 0.00979 rad/s 0.01959 rad/s 14.195 (0.44) -9.483 (-0.66) 4.852 (1.29) s (rad/s)
Pitch velocity 0.00003 (rad/s)^2 0.00538 rad/s 0.01076 rad/s 14.195 (0.44) 17.396 (0.36) 12.446 (0.50) s (rad/s)
Heave acceleration 0.007 m^2/s^4 0.083 m/s^2 0.166 m/s^2 14.195 (0.44) -55.845 (-0.11) 6.095 (1.03) s (rad/s)
Roll acceleration 0.00016 (rad/s/s)^2 0.01268 rad/s/s 0.02537 rad/s/s 14.195 (0.44) -3.671 (-1.71) 3.507 (1.79) s (rad/s)
Pitch acceleration 0.00001 (rad/s/s)^2 0.00272 rad/s/s 0.00543 rad/s/s 14.195 (0.44) -15.986 (-0.39) 5.032 (1.25) s (rad/s)
passenger deck aft: Abs. vert. motion 0.180 m^2 0.424 m 0.848 m 14.195 (0.44) 15.716 (0.40) 15.324 (0.41) s (rad/s)
passenger deck aft: Rel. vert. motion 0.069 m^2 0.264 m 0.527 m 14.195 (0.44) 18.882 (0.33) 13.780 (0.46) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.030 m^2/s^2 0.174 m/s 0.348 m/s 14.195 (0.44) 17.502 (0.36) 12.712 (0.49) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.014 m^2/s^2 0.120 m/s 0.240 m/s 14.195 (0.44) -16.396 (-0.38) 4.436 (1.42) s (rad/s)
passenger deck aft: Abs. vert. accel 0.007 m^2/s^4 0.086 m/s^2 0.172 m/s^2 14.195 (0.44) -15.984 (-0.39) 5.065 (1.24) s (rad/s)
passenger deck aft: Rel. vert. accel 0.029 m^2/s^4 0.170 m/s^2 0.341 m/s^2 14.195 (0.44) -2.150 (-2.92) 1.996 (3.15) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.001 m^2 0.037 m 0.074 m 14.195 (0.44) 16.433 (0.38) 15.428 (0.41) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.015 m/s 0.030 m/s 14.195 (0.44) 17.381 (0.36) 12.456 (0.50) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.008 m/s^2 0.015 m/s^2 14.195 (0.44) -16.127 (-0.39) 5.043 (1.25) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.002 m^2 0.050 m 0.100 m 14.195 (0.44) 22.704 (0.28) 11.484 (0.55) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.001 m^2/s^2 0.027 m/s 0.055 m/s 14.195 (0.44) -9.489 (-0.66) 4.855 (1.29) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.001 m^2/s^4 0.035 m/s^2 0.071 m/s^2 14.195 (0.44) -3.675 (-1.71) 3.510 (1.79) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.120 SM 0.005 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.263 m^2 0.513 m 1.025 m 14.195 (0.44) 15.379 (0.41) 15.282 (0.41) s (rad/s)
passenger deck forward: Rel. vert. motion 0.151 m^2 0.389 m 0.778 m 14.195 (0.44) 16.193 (0.39) 14.432 (0.44) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.044 m^2/s^2 0.211 m/s 0.422 m/s 14.195 (0.44) 15.383 (0.41) 14.864 (0.42) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.029 m^2/s^2 0.169 m/s 0.339 m/s 14.195 (0.44) 92.796 (0.07) 6.233 (1.01) s (rad/s)
passenger deck forward: Abs. vert. accel 0.008 m^2/s^4 0.089 m/s^2 0.178 m/s^2 14.195 (0.44) 20.097 (0.31) 10.684 (0.59) s (rad/s)
passenger deck forward: Rel. vert. accel 0.029 m^2/s^4 0.171 m/s^2 0.342 m/s^2 14.195 (0.44) -2.356 (-2.67) 2.053 (3.06) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.001 m^2 0.037 m 0.074 m 14.195 (0.44) 16.433 (0.38) 15.428 (0.41) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.015 m/s 0.030 m/s 14.195 (0.44) 17.381 (0.36) 12.456 (0.50) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.008 m/s^2 0.015 m/s^2 14.195 (0.44) -16.127 (-0.39) 5.043 (1.25) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.002 m^2 0.050 m 0.100 m 14.195 (0.44) 22.704 (0.28) 11.484 (0.55) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.001 m^2/s^2 0.027 m/s 0.055 m/s 14.195 (0.44) -9.489 (-0.66) 4.855 (1.29) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.001 m^2/s^4 0.035 m/s^2 0.071 m/s^2 14.195 (0.44) -3.675 (-1.71) 3.510 (1.79) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.106 SM 0.002 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.263 m^2 0.513 m 1.025 m 14.195 (0.44) 15.379 (0.41) 15.282 (0.41) s (rad/s)
Bridge deck: Rel. vert. motion 0.151 m^2 0.389 m 0.778 m 14.195 (0.44) 16.193 (0.39) 14.432 (0.44) s (rad/s)
Bridge deck: Abs. vert. velocity 0.044 m^2/s^2 0.211 m/s 0.422 m/s 14.195 (0.44) 15.383 (0.41) 14.864 (0.42) s (rad/s)
Bridge deck: Rel. vert. velocity 0.029 m^2/s^2 0.169 m/s 0.339 m/s 14.195 (0.44) 92.796 (0.07) 6.233 (1.01) s (rad/s)
Bridge deck: Abs. vert. accel 0.008 m^2/s^4 0.089 m/s^2 0.178 m/s^2 14.195 (0.44) 20.097 (0.31) 10.684 (0.59) s (rad/s)
Bridge deck: Rel. vert. accel 0.029 m^2/s^4 0.171 m/s^2 0.342 m/s^2 14.195 (0.44) -2.356 (-2.67) 2.053 (3.06) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.005 m^2 0.067 m 0.135 m 14.195 (0.44) 16.433 (0.38) 15.428 (0.41) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.001 m^2/s^2 0.027 m/s 0.055 m/s 14.195 (0.44) 17.381 (0.36) 12.456 (0.50) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.014 m/s^2 0.028 m/s^2 14.195 (0.44) -16.127 (-0.39) 5.043 (1.25) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.008 m^2 0.091 m 0.182 m 14.195 (0.44) 22.704 (0.28) 11.484 (0.55) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.002 m^2/s^2 0.050 m/s 0.100 m/s 14.195 (0.44) -9.489 (-0.66) 4.855 (1.29) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.004 m^2/s^4 0.065 m/s^2 0.129 m/s^2 14.195 (0.44) -3.675 (-1.71) 3.510 (1.79) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.106 SM 0.002 % 0.000 % -- -- --

Design Speed, 17 kn; 1.15 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.956 s -- -- -- -- --
Characteristic wave height 0.300 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 1.150 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.006 m^2 0.075 m 0.150 m 9.960 (0.63) 8.340 (0.75) 7.849 (0.80) s (rad/s)
Encountered wave spectrum 0.006 m^2 0.075 m 0.150 m 9.146 (0.69) 12.077 (0.52) 11.921 (0.53) s (rad/s)
Added resistance 0.321 kN -- -- 9.146 (0.69) 12.162 (0.52) 11.737 (0.54) s (rad/s)
Heave motion 0.004 m^2 0.064 m 0.127 m 12.913 (0.49) 12.580 (0.50) 12.499 (0.50) s (rad/s)
Roll motion 0.00001 rad^2 0.00302 rad 0.00604 rad 9.146 (0.69) 11.615 (0.54) 11.483 (0.55) s (rad/s)
Pitch motion 0.00000 rad^2 0.00068 rad 0.00136 rad 9.146 (0.69) 10.900 (0.58) 10.628 (0.59) s (rad/s)
Heave velocity 0.001 m^2/s^2 0.032 m/s 0.064 m/s 12.836 (0.49) 12.280 (0.51) 12.199 (0.52) s (rad/s)
Roll velocity 0.00000 (rad/s)^2 0.00165 rad/s 0.00330 rad/s 9.146 (0.69) 11.299 (0.56) 11.110 (0.57) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00040 rad/s 0.00081 rad/s 9.146 (0.69) 10.313 (0.61) 10.189 (0.62) s (rad/s)
Heave acceleration 0.000 m^2/s^4 0.016 m/s^2 0.033 m/s^2 12.764 (0.49) 11.996 (0.52) 11.889 (0.53) s (rad/s)
Roll acceleration 0.00000 (rad/s/s)^2 0.00093 rad/s/s 0.00187 rad/s/s 9.146 (0.69) 11.194 (0.56) 10.699 (0.59) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00025 rad/s/s 0.00050 rad/s/s 9.146 (0.69) 10.129 (0.62) 9.938 (0.63) s (rad/s)
passenger deck aft: Abs. vert. motion 0.004 m^2 0.065 m 0.131 m 12.914 (0.49) 12.597 (0.50) 12.512 (0.50) s (rad/s)
passenger deck aft: Rel. vert. motion 0.001 m^2 0.033 m 0.066 m 9.146 (0.69) 10.593 (0.59) 10.276 (0.61) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.001 m^2/s^2 0.033 m/s 0.066 m/s 9.146 (0.69) 12.295 (0.51) 12.208 (0.51) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.000 m^2/s^2 0.020 m/s 0.040 m/s 9.146 (0.69) 10.213 (0.62) 9.870 (0.64) s (rad/s)
passenger deck aft: Abs. vert. accel 0.000 m^2/s^4 0.017 m/s^2 0.034 m/s^2 9.146 (0.69) 12.016 (0.52) 11.891 (0.53) s (rad/s)
passenger deck aft: Rel. vert. accel 0.000 m^2/s^4 0.013 m/s^2 0.026 m/s^2 9.146 (0.69) 10.402 (0.60) 9.519 (0.66) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.002 m 0.004 m 9.146 (0.69) 10.905 (0.58) 10.634 (0.59) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.001 m/s 0.002 m/s 9.146 (0.69) 10.319 (0.61) 10.195 (0.62) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.001 m/s^2 0.001 m/s^2 9.146 (0.69) 10.135 (0.62) 9.943 (0.63) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.008 m 0.017 m 9.146 (0.69) 11.624 (0.54) 11.492 (0.55) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.005 m/s 0.009 m/s 9.146 (0.69) 11.308 (0.56) 11.118 (0.57) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.003 m/s^2 0.005 m/s^2 9.146 (0.69) 11.204 (0.56) 10.705 (0.59) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.012 SM 0.000 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.004 m^2 0.061 m 0.123 m 12.907 (0.49) 12.481 (0.50) 12.394 (0.51) s (rad/s)
passenger deck forward: Rel. vert. motion 0.001 m^2 0.030 m 0.061 m 9.146 (0.69) 10.647 (0.59) 10.341 (0.61) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.001 m^2/s^2 0.031 m/s 0.062 m/s 12.833 (0.49) 12.149 (0.52) 12.064 (0.52) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.000 m^2/s^2 0.018 m/s 0.037 m/s 9.146 (0.69) 10.335 (0.61) 9.937 (0.63) s (rad/s)
passenger deck forward: Abs. vert. accel 0.000 m^2/s^4 0.016 m/s^2 0.032 m/s^2 9.146 (0.69) 11.820 (0.53) 11.728 (0.54) s (rad/s)
passenger deck forward: Rel. vert. accel 0.000 m^2/s^4 0.012 m/s^2 0.023 m/s^2 9.146 (0.69) 10.630 (0.59) 9.531 (0.66) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.002 m 0.004 m 9.146 (0.69) 10.905 (0.58) 10.634 (0.59) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.001 m/s 0.002 m/s 9.146 (0.69) 10.319 (0.61) 10.195 (0.62) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.001 m/s^2 0.001 m/s^2 9.146 (0.69) 10.135 (0.62) 9.943 (0.63) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.008 m 0.017 m 9.146 (0.69) 11.624 (0.54) 11.492 (0.55) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.005 m/s 0.009 m/s 9.146 (0.69) 11.308 (0.56) 11.118 (0.57) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.003 m/s^2 0.005 m/s^2 9.146 (0.69) 11.204 (0.56) 10.705 (0.59) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.012 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.004 m^2 0.061 m 0.123 m 12.907 (0.49) 12.481 (0.50) 12.394 (0.51) s (rad/s)
Bridge deck: Rel. vert. motion 0.001 m^2 0.030 m 0.061 m 9.146 (0.69) 10.647 (0.59) 10.341 (0.61) s (rad/s)
Bridge deck: Abs. vert. velocity 0.001 m^2/s^2 0.031 m/s 0.062 m/s 12.833 (0.49) 12.149 (0.52) 12.064 (0.52) s (rad/s)
Bridge deck: Rel. vert. velocity 0.000 m^2/s^2 0.018 m/s 0.037 m/s 9.146 (0.69) 10.335 (0.61) 9.937 (0.63) s (rad/s)
Bridge deck: Abs. vert. accel 0.000 m^2/s^4 0.016 m/s^2 0.032 m/s^2 9.146 (0.69) 11.820 (0.53) 11.728 (0.54) s (rad/s)
Bridge deck: Rel. vert. accel 0.000 m^2/s^4 0.012 m/s^2 0.023 m/s^2 9.146 (0.69) 10.630 (0.59) 9.531 (0.66) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.003 m 0.007 m 9.146 (0.69) 10.905 (0.58) 10.634 (0.59) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.002 m/s 0.004 m/s 9.146 (0.69) 10.319 (0.61) 10.195 (0.62) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.001 m/s^2 0.003 m/s^2 9.146 (0.69) 10.135 (0.62) 9.943 (0.63) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.015 m 0.031 m 9.146 (0.69) 11.624 (0.54) 11.492 (0.55) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.008 m/s 0.017 m/s 9.146 (0.69) 11.308 (0.56) 11.118 (0.57) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.005 m/s^2 0.009 m/s^2 9.146 (0.69) 11.204 (0.56) 10.705 (0.59) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.012 SM 0.000 % 0.000 % -- -- --

Design Speed, 17 kn; 1.15 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 1.150 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 9.147 (0.69) 12.090 (0.52) 11.934 (0.53) s (rad/s)
Added resistance 1.279 kN -- -- 9.147 (0.69) 12.169 (0.52) 11.745 (0.53) s (rad/s)
Heave motion 0.016 m^2 0.127 m 0.255 m 12.929 (0.49) 12.593 (0.50) 12.512 (0.50) s (rad/s)
Roll motion 0.00004 rad^2 0.00602 rad 0.01205 rad 9.147 (0.69) 11.621 (0.54) 11.490 (0.55) s (rad/s)
Pitch motion 0.00000 rad^2 0.00136 rad 0.00272 rad 9.147 (0.69) 10.903 (0.58) 10.631 (0.59) s (rad/s)
Heave velocity 0.004 m^2/s^2 0.064 m/s 0.128 m/s 12.854 (0.49) 12.292 (0.51) 12.210 (0.51) s (rad/s)
Roll velocity 0.00001 (rad/s)^2 0.00329 rad/s 0.00659 rad/s 9.147 (0.69) 11.302 (0.56) 11.116 (0.57) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00080 rad/s 0.00161 rad/s 9.147 (0.69) 10.315 (0.61) 10.191 (0.62) s (rad/s)
Heave acceleration 0.001 m^2/s^4 0.033 m/s^2 0.066 m/s^2 12.779 (0.49) 12.004 (0.52) 11.898 (0.53) s (rad/s)
Roll acceleration 0.00000 (rad/s/s)^2 0.00186 rad/s/s 0.00372 rad/s/s 9.147 (0.69) 11.184 (0.56) 10.710 (0.59) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00050 rad/s/s 0.00099 rad/s/s 9.147 (0.69) 10.126 (0.62) 9.942 (0.63) s (rad/s)
passenger deck aft: Abs. vert. motion 0.017 m^2 0.131 m 0.261 m 12.931 (0.49) 12.610 (0.50) 12.525 (0.50) s (rad/s)
passenger deck aft: Rel. vert. motion 0.004 m^2 0.065 m 0.131 m 9.147 (0.69) 10.594 (0.59) 10.279 (0.61) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.004 m^2/s^2 0.066 m/s 0.131 m/s 12.856 (0.49) 12.306 (0.51) 12.220 (0.51) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.002 m^2/s^2 0.040 m/s 0.080 m/s 9.147 (0.69) 10.207 (0.62) 9.876 (0.64) s (rad/s)
passenger deck aft: Abs. vert. accel 0.001 m^2/s^4 0.034 m/s^2 0.067 m/s^2 12.781 (0.49) 12.024 (0.52) 11.902 (0.53) s (rad/s)
passenger deck aft: Rel. vert. accel 0.001 m^2/s^4 0.025 m/s^2 0.051 m/s^2 9.147 (0.69) 10.365 (0.61) 9.539 (0.66) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.004 m 0.008 m 9.147 (0.69) 10.907 (0.58) 10.637 (0.59) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.002 m/s 0.004 m/s 9.147 (0.69) 10.321 (0.61) 10.197 (0.62) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.001 m/s^2 0.003 m/s^2 9.147 (0.69) 10.132 (0.62) 9.947 (0.63) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.017 m 0.034 m 9.147 (0.69) 11.630 (0.54) 11.499 (0.55) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.009 m/s 0.018 m/s 9.147 (0.69) 11.311 (0.56) 11.124 (0.56) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.005 m/s^2 0.010 m/s^2 9.147 (0.69) 11.193 (0.56) 10.717 (0.59) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.033 SM 0.000 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.015 m^2 0.123 m 0.245 m 12.925 (0.49) 12.494 (0.50) 12.408 (0.51) s (rad/s)
passenger deck forward: Rel. vert. motion 0.004 m^2 0.061 m 0.121 m 9.147 (0.69) 10.648 (0.59) 10.344 (0.61) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.004 m^2/s^2 0.062 m/s 0.124 m/s 12.849 (0.49) 12.160 (0.52) 12.075 (0.52) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.001 m^2/s^2 0.037 m/s 0.074 m/s 9.147 (0.69) 10.329 (0.61) 9.942 (0.63) s (rad/s)
passenger deck forward: Abs. vert. accel 0.001 m^2/s^4 0.032 m/s^2 0.065 m/s^2 12.774 (0.49) 11.829 (0.53) 11.737 (0.54) s (rad/s)
passenger deck forward: Rel. vert. accel 0.001 m^2/s^4 0.023 m/s^2 0.047 m/s^2 9.147 (0.69) 10.592 (0.59) 9.550 (0.66) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.004 m 0.008 m 9.147 (0.69) 10.907 (0.58) 10.637 (0.59) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.002 m/s 0.004 m/s 9.147 (0.69) 10.321 (0.61) 10.197 (0.62) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.001 m/s^2 0.003 m/s^2 9.147 (0.69) 10.132 (0.62) 9.947 (0.63) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.017 m 0.034 m 9.147 (0.69) 11.630 (0.54) 11.499 (0.55) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.009 m/s 0.018 m/s 9.147 (0.69) 11.311 (0.56) 11.124 (0.56) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.005 m/s^2 0.010 m/s^2 9.147 (0.69) 11.193 (0.56) 10.717 (0.59) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.031 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.015 m^2 0.123 m 0.245 m 12.925 (0.49) 12.494 (0.50) 12.408 (0.51) s (rad/s)
Bridge deck: Rel. vert. motion 0.004 m^2 0.061 m 0.121 m 9.147 (0.69) 10.648 (0.59) 10.344 (0.61) s (rad/s)
Bridge deck: Abs. vert. velocity 0.004 m^2/s^2 0.062 m/s 0.124 m/s 12.849 (0.49) 12.160 (0.52) 12.075 (0.52) s (rad/s)
Bridge deck: Rel. vert. velocity 0.001 m^2/s^2 0.037 m/s 0.074 m/s 9.147 (0.69) 10.329 (0.61) 9.942 (0.63) s (rad/s)
Bridge deck: Abs. vert. accel 0.001 m^2/s^4 0.032 m/s^2 0.065 m/s^2 12.774 (0.49) 11.829 (0.53) 11.737 (0.54) s (rad/s)
Bridge deck: Rel. vert. accel 0.001 m^2/s^4 0.023 m/s^2 0.047 m/s^2 9.147 (0.69) 10.592 (0.59) 9.550 (0.66) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.007 m 0.014 m 9.147 (0.69) 10.907 (0.58) 10.637 (0.59) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.004 m/s 0.008 m/s 9.147 (0.69) 10.321 (0.61) 10.197 (0.62) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.003 m/s^2 0.005 m/s^2 9.147 (0.69) 10.132 (0.62) 9.947 (0.63) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.001 m^2 0.031 m 0.061 m 9.147 (0.69) 11.630 (0.54) 11.499 (0.55) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.017 m/s 0.034 m/s 9.147 (0.69) 11.311 (0.56) 11.124 (0.56) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.009 m/s^2 0.019 m/s^2 9.147 (0.69) 11.193 (0.56) 10.717 (0.59) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.031 SM 0.000 % 0.000 % -- -- --

Design Speed, 17 kn; 1.15 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.965 s -- -- -- -- --
Characteristic wave height 1.200 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 1.150 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.090 m^2 0.300 m 0.601 m 9.969 (0.63) 8.348 (0.75) 7.856 (0.80) s (rad/s)
Encountered wave spectrum 0.090 m^2 0.300 m 0.601 m 9.147 (0.69) 12.083 (0.52) 11.927 (0.53) s (rad/s)
Added resistance 5.125 kN -- -- 9.147 (0.69) 12.166 (0.52) 11.741 (0.54) s (rad/s)
Heave motion 0.065 m^2 0.254 m 0.509 m 12.921 (0.49) 12.586 (0.50) 12.505 (0.50) s (rad/s)
Roll motion 0.00015 rad^2 0.01206 rad 0.02412 rad 9.147 (0.69) 11.618 (0.54) 11.487 (0.55) s (rad/s)
Pitch motion 0.00001 rad^2 0.00273 rad 0.00545 rad 9.147 (0.69) 10.901 (0.58) 10.629 (0.59) s (rad/s)
Heave velocity 0.016 m^2/s^2 0.128 m/s 0.256 m/s 12.845 (0.49) 12.286 (0.51) 12.204 (0.51) s (rad/s)
Roll velocity 0.00004 (rad/s)^2 0.00660 rad/s 0.01319 rad/s 9.147 (0.69) 11.300 (0.56) 11.113 (0.57) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00161 rad/s 0.00322 rad/s 9.147 (0.69) 10.314 (0.61) 10.190 (0.62) s (rad/s)
Heave acceleration 0.004 m^2/s^4 0.066 m/s^2 0.132 m/s^2 12.770 (0.49) 12.000 (0.52) 11.893 (0.53) s (rad/s)
Roll acceleration 0.00001 (rad/s/s)^2 0.00373 rad/s/s 0.00746 rad/s/s 9.147 (0.69) 11.189 (0.56) 10.704 (0.59) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00099 rad/s/s 0.00199 rad/s/s 9.147 (0.69) 10.128 (0.62) 9.940 (0.63) s (rad/s)
passenger deck aft: Abs. vert. motion 0.068 m^2 0.261 m 0.522 m 12.921 (0.49) 12.603 (0.50) 12.518 (0.50) s (rad/s)
passenger deck aft: Rel. vert. motion 0.017 m^2 0.131 m 0.262 m 9.147 (0.69) 10.594 (0.59) 10.277 (0.61) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.017 m^2/s^2 0.131 m/s 0.262 m/s 12.846 (0.49) 12.300 (0.51) 12.214 (0.51) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.006 m^2/s^2 0.080 m/s 0.160 m/s 9.147 (0.69) 10.210 (0.62) 9.873 (0.64) s (rad/s)
passenger deck aft: Abs. vert. accel 0.005 m^2/s^4 0.067 m/s^2 0.135 m/s^2 9.147 (0.69) 12.020 (0.52) 11.896 (0.53) s (rad/s)
passenger deck aft: Rel. vert. accel 0.003 m^2/s^4 0.051 m/s^2 0.102 m/s^2 9.147 (0.69) 10.383 (0.61) 9.529 (0.66) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.008 m 0.015 m 9.147 (0.69) 10.906 (0.58) 10.635 (0.59) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.009 m/s 9.147 (0.69) 10.320 (0.61) 10.196 (0.62) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.003 m/s^2 0.006 m/s^2 9.147 (0.69) 10.133 (0.62) 9.945 (0.63) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.001 m^2 0.034 m 0.067 m 9.147 (0.69) 11.627 (0.54) 11.495 (0.55) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.018 m/s 0.037 m/s 9.147 (0.69) 11.309 (0.56) 11.121 (0.56) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.010 m/s^2 0.021 m/s^2 9.147 (0.69) 11.199 (0.56) 10.711 (0.59) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.088 SM 0.002 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.060 m^2 0.245 m 0.491 m 12.915 (0.49) 12.487 (0.50) 12.401 (0.51) s (rad/s)
passenger deck forward: Rel. vert. motion 0.015 m^2 0.121 m 0.243 m 9.147 (0.69) 10.647 (0.59) 10.343 (0.61) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.015 m^2/s^2 0.124 m/s 0.249 m/s 12.839 (0.49) 12.154 (0.52) 12.069 (0.52) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.005 m^2/s^2 0.074 m/s 0.148 m/s 9.147 (0.69) 10.332 (0.61) 9.939 (0.63) s (rad/s)
passenger deck forward: Abs. vert. accel 0.004 m^2/s^4 0.065 m/s^2 0.129 m/s^2 12.764 (0.49) 11.824 (0.53) 11.732 (0.54) s (rad/s)
passenger deck forward: Rel. vert. accel 0.002 m^2/s^4 0.047 m/s^2 0.093 m/s^2 9.147 (0.69) 10.611 (0.59) 9.540 (0.66) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.008 m 0.015 m 9.147 (0.69) 10.906 (0.58) 10.635 (0.59) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.009 m/s 9.147 (0.69) 10.320 (0.61) 10.196 (0.62) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.003 m/s^2 0.006 m/s^2 9.147 (0.69) 10.133 (0.62) 9.945 (0.63) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.001 m^2 0.034 m 0.067 m 9.147 (0.69) 11.627 (0.54) 11.495 (0.55) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.018 m/s 0.037 m/s 9.147 (0.69) 11.309 (0.56) 11.121 (0.56) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.010 m/s^2 0.021 m/s^2 9.147 (0.69) 11.199 (0.56) 10.711 (0.59) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.084 SM 0.002 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.060 m^2 0.245 m 0.491 m 12.915 (0.49) 12.487 (0.50) 12.401 (0.51) s (rad/s)
Bridge deck: Rel. vert. motion 0.015 m^2 0.121 m 0.243 m 9.147 (0.69) 10.647 (0.59) 10.343 (0.61) s (rad/s)
Bridge deck: Abs. vert. velocity 0.015 m^2/s^2 0.124 m/s 0.249 m/s 12.839 (0.49) 12.154 (0.52) 12.069 (0.52) s (rad/s)
Bridge deck: Rel. vert. velocity 0.005 m^2/s^2 0.074 m/s 0.148 m/s 9.147 (0.69) 10.332 (0.61) 9.939 (0.63) s (rad/s)
Bridge deck: Abs. vert. accel 0.004 m^2/s^4 0.065 m/s^2 0.129 m/s^2 12.764 (0.49) 11.824 (0.53) 11.732 (0.54) s (rad/s)
Bridge deck: Rel. vert. accel 0.002 m^2/s^4 0.047 m/s^2 0.093 m/s^2 9.147 (0.69) 10.611 (0.59) 9.540 (0.66) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.014 m 0.028 m 9.147 (0.69) 10.906 (0.58) 10.635 (0.59) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.008 m/s 0.016 m/s 9.147 (0.69) 10.320 (0.61) 10.196 (0.62) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.005 m/s^2 0.010 m/s^2 9.147 (0.69) 10.133 (0.62) 9.945 (0.63) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.004 m^2 0.061 m 0.123 m 9.147 (0.69) 11.627 (0.54) 11.495 (0.55) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.001 m^2/s^2 0.034 m/s 0.067 m/s 9.147 (0.69) 11.309 (0.56) 11.121 (0.56) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.019 m/s^2 0.038 m/s^2 9.147 (0.69) 11.199 (0.56) 10.711 (0.59) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.084 SM 0.002 % 0.000 % -- -- --

Design Speed, 17 kn; 1.15 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 2.000 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 1.150 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.251 m^2 0.501 m 1.001 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.251 m^2 0.501 m 1.001 m 9.147 (0.69) 12.090 (0.52) 11.934 (0.53) s (rad/s)
Added resistance 14.214 kN -- -- 9.147 (0.69) 12.169 (0.52) 11.745 (0.53) s (rad/s)
Heave motion 0.180 m^2 0.424 m 0.849 m 12.929 (0.49) 12.593 (0.50) 12.512 (0.50) s (rad/s)
Roll motion 0.00040 rad^2 0.02008 rad 0.04016 rad 9.147 (0.69) 11.621 (0.54) 11.490 (0.55) s (rad/s)
Pitch motion 0.00002 rad^2 0.00454 rad 0.00907 rad 9.147 (0.69) 10.903 (0.58) 10.631 (0.59) s (rad/s)
Heave velocity 0.045 m^2/s^2 0.213 m/s 0.426 m/s 12.854 (0.49) 12.292 (0.51) 12.210 (0.51) s (rad/s)
Roll velocity 0.00012 (rad/s)^2 0.01098 rad/s 0.02196 rad/s 9.147 (0.69) 11.302 (0.56) 11.116 (0.57) s (rad/s)
Pitch velocity 0.00001 (rad/s)^2 0.00268 rad/s 0.00536 rad/s 9.147 (0.69) 10.315 (0.61) 10.191 (0.62) s (rad/s)
Heave acceleration 0.012 m^2/s^4 0.110 m/s^2 0.219 m/s^2 12.779 (0.49) 12.004 (0.52) 11.898 (0.53) s (rad/s)
Roll acceleration 0.00004 (rad/s/s)^2 0.00621 rad/s/s 0.01241 rad/s/s 9.147 (0.69) 11.184 (0.56) 10.710 (0.59) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00165 rad/s/s 0.00331 rad/s/s 9.147 (0.69) 10.126 (0.62) 9.942 (0.63) s (rad/s)
passenger deck aft: Abs. vert. motion 0.190 m^2 0.436 m 0.871 m 12.931 (0.49) 12.610 (0.50) 12.525 (0.50) s (rad/s)
passenger deck aft: Rel. vert. motion 0.048 m^2 0.218 m 0.437 m 9.147 (0.69) 10.594 (0.59) 10.279 (0.61) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.048 m^2/s^2 0.218 m/s 0.437 m/s 12.856 (0.49) 12.306 (0.51) 12.220 (0.51) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.018 m^2/s^2 0.133 m/s 0.267 m/s 9.147 (0.69) 10.207 (0.62) 9.876 (0.64) s (rad/s)
passenger deck aft: Abs. vert. accel 0.013 m^2/s^4 0.112 m/s^2 0.225 m/s^2 12.781 (0.49) 12.024 (0.52) 11.902 (0.53) s (rad/s)
passenger deck aft: Rel. vert. accel 0.007 m^2/s^4 0.085 m/s^2 0.170 m/s^2 9.147 (0.69) 10.365 (0.61) 9.539 (0.66) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.013 m 0.025 m 9.147 (0.69) 10.907 (0.58) 10.637 (0.59) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.007 m/s 0.015 m/s 9.147 (0.69) 10.321 (0.61) 10.197 (0.62) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.005 m/s^2 0.009 m/s^2 9.147 (0.69) 10.132 (0.62) 9.947 (0.63) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.003 m^2 0.056 m 0.112 m 9.147 (0.69) 11.630 (0.54) 11.499 (0.55) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.001 m^2/s^2 0.031 m/s 0.061 m/s 9.147 (0.69) 11.311 (0.56) 11.124 (0.56) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.017 m/s^2 0.035 m/s^2 9.147 (0.69) 11.193 (0.56) 10.717 (0.59) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.183 SM 0.020 % 0.001 % -- -- --
passenger deck forward: Abs. vert. motion 0.167 m^2 0.409 m 0.818 m 12.925 (0.49) 12.494 (0.50) 12.408 (0.51) s (rad/s)
passenger deck forward: Rel. vert. motion 0.041 m^2 0.202 m 0.404 m 9.147 (0.69) 10.648 (0.59) 10.344 (0.61) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.043 m^2/s^2 0.207 m/s 0.414 m/s 12.849 (0.49) 12.160 (0.52) 12.075 (0.52) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.015 m^2/s^2 0.123 m/s 0.246 m/s 9.147 (0.69) 10.329 (0.61) 9.942 (0.63) s (rad/s)
passenger deck forward: Abs. vert. accel 0.012 m^2/s^4 0.108 m/s^2 0.216 m/s^2 12.774 (0.49) 11.829 (0.53) 11.737 (0.54) s (rad/s)
passenger deck forward: Rel. vert. accel 0.006 m^2/s^4 0.078 m/s^2 0.155 m/s^2 9.147 (0.69) 10.592 (0.59) 9.550 (0.66) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.013 m 0.025 m 9.147 (0.69) 10.907 (0.58) 10.637 (0.59) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.007 m/s 0.015 m/s 9.147 (0.69) 10.321 (0.61) 10.197 (0.62) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.005 m/s^2 0.009 m/s^2 9.147 (0.69) 10.132 (0.62) 9.947 (0.63) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.003 m^2 0.056 m 0.112 m 9.147 (0.69) 11.630 (0.54) 11.499 (0.55) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.001 m^2/s^2 0.031 m/s 0.061 m/s 9.147 (0.69) 11.311 (0.56) 11.124 (0.56) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.017 m/s^2 0.035 m/s^2 9.147 (0.69) 11.193 (0.56) 10.717 (0.59) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.174 SM 0.018 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.167 m^2 0.409 m 0.818 m 12.925 (0.49) 12.494 (0.50) 12.408 (0.51) s (rad/s)
Bridge deck: Rel. vert. motion 0.041 m^2 0.202 m 0.404 m 9.147 (0.69) 10.648 (0.59) 10.344 (0.61) s (rad/s)
Bridge deck: Abs. vert. velocity 0.043 m^2/s^2 0.207 m/s 0.414 m/s 12.849 (0.49) 12.160 (0.52) 12.075 (0.52) s (rad/s)
Bridge deck: Rel. vert. velocity 0.015 m^2/s^2 0.123 m/s 0.246 m/s 9.147 (0.69) 10.329 (0.61) 9.942 (0.63) s (rad/s)
Bridge deck: Abs. vert. accel 0.012 m^2/s^4 0.108 m/s^2 0.216 m/s^2 12.774 (0.49) 11.829 (0.53) 11.737 (0.54) s (rad/s)
Bridge deck: Rel. vert. accel 0.006 m^2/s^4 0.078 m/s^2 0.155 m/s^2 9.147 (0.69) 10.592 (0.59) 9.550 (0.66) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.001 m^2 0.023 m 0.046 m 9.147 (0.69) 10.907 (0.58) 10.637 (0.59) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.014 m/s 0.027 m/s 9.147 (0.69) 10.321 (0.61) 10.197 (0.62) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.008 m/s^2 0.017 m/s^2 9.147 (0.69) 10.132 (0.62) 9.947 (0.63) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.010 m^2 0.102 m 0.204 m 9.147 (0.69) 11.630 (0.54) 11.499 (0.55) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.003 m^2/s^2 0.056 m/s 0.112 m/s 9.147 (0.69) 11.311 (0.56) 11.124 (0.56) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.001 m^2/s^4 0.032 m/s^2 0.063 m/s^2 9.147 (0.69) 11.193 (0.56) 10.717 (0.59) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.174 SM 0.018 % 0.000 % -- -- --

Design Speed, 17 kn; 1.77 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.956 s -- -- -- -- --
Characteristic wave height 0.300 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 1.770 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.006 m^2 0.075 m 0.150 m 9.960 (0.63) 8.340 (0.75) 7.849 (0.80) s (rad/s)
Encountered wave spectrum 0.006 m^2 0.075 m 0.150 m 8.967 (0.70) 7.250 (0.87) 6.617 (0.95) s (rad/s)
Added resistance 0.247 kN -- -- 8.898 (0.71) 6.855 (0.92) 6.194 (1.01) s (rad/s)
Heave motion 0.004 m^2 0.060 m 0.120 m 9.002 (0.70) 8.469 (0.74) 8.312 (0.76) s (rad/s)
Roll motion 0.00001 rad^2 0.00351 rad 0.00701 rad 8.763 (0.72) 6.876 (0.91) 6.582 (0.95) s (rad/s)
Pitch motion 0.00000 rad^2 0.00116 rad 0.00232 rad 8.929 (0.70) 8.078 (0.78) 7.884 (0.80) s (rad/s)
Heave velocity 0.002 m^2/s^2 0.045 m/s 0.091 m/s 8.898 (0.71) 7.795 (0.81) 7.571 (0.83) s (rad/s)
Roll velocity 0.00001 (rad/s)^2 0.00335 rad/s 0.00669 rad/s 8.629 (0.73) 5.647 (1.11) 5.292 (1.19) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00093 rad/s 0.00185 rad/s 8.806 (0.71) 7.216 (0.87) 6.902 (0.91) s (rad/s)
Heave acceleration 0.001 m^2/s^4 0.038 m/s^2 0.075 m/s^2 8.769 (0.72) 6.788 (0.93) 6.401 (0.98) s (rad/s)
Roll acceleration 0.00002 (rad/s/s)^2 0.00397 rad/s/s 0.00794 rad/s/s 5.649 (1.11) 4.312 (1.46) 4.034 (1.56) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00084 rad/s/s 0.00168 rad/s/s 8.680 (0.72) 5.820 (1.08) 5.332 (1.18) s (rad/s)
passenger deck aft: Abs. vert. motion 0.005 m^2 0.068 m 0.135 m 8.996 (0.70) 8.417 (0.75) 8.256 (0.76) s (rad/s)
passenger deck aft: Rel. vert. motion 0.001 m^2 0.026 m 0.052 m 4.245 (1.48) 3.948 (1.59) 3.610 (1.74) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.003 m^2/s^2 0.051 m/s 0.103 m/s 8.888 (0.71) 7.722 (0.81) 7.487 (0.84) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.002 m^2/s^2 0.046 m/s 0.091 m/s 3.741 (1.68) 2.678 (2.35) 2.389 (2.63) s (rad/s)
passenger deck aft: Abs. vert. accel 0.002 m^2/s^4 0.043 m/s^2 0.086 m/s^2 8.759 (0.72) 6.660 (0.94) 6.248 (1.01) s (rad/s)
passenger deck aft: Rel. vert. accel 0.014 m^2/s^4 0.120 m/s^2 0.240 m/s^2 3.332 (1.89) 1.731 (3.63) 1.601 (3.93) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.003 m 0.006 m 8.965 (0.70) 8.077 (0.78) 7.882 (0.80) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.005 m/s 8.836 (0.71) 7.211 (0.87) 6.895 (0.91) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.002 m/s^2 0.005 m/s^2 8.704 (0.72) 5.805 (1.08) 5.314 (1.18) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.010 m 0.020 m 8.759 (0.72) 6.891 (0.91) 6.597 (0.95) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.009 m/s 0.019 m/s 8.625 (0.73) 5.657 (1.11) 5.298 (1.19) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.011 m/s^2 0.022 m/s^2 5.649 (1.11) 4.312 (1.46) 4.032 (1.56) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.067 SM 0.002 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.002 m^2 0.046 m 0.092 m 9.024 (0.70) 8.621 (0.73) 8.473 (0.74) s (rad/s)
passenger deck forward: Rel. vert. motion 0.002 m^2 0.043 m 0.087 m 8.859 (0.71) 5.787 (1.09) 5.117 (1.23) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.001 m^2/s^2 0.034 m/s 0.069 m/s 8.929 (0.70) 7.995 (0.79) 7.798 (0.81) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.003 m^2/s^2 0.053 m/s 0.106 m/s 8.729 (0.72) 3.270 (1.92) 2.758 (2.28) s (rad/s)
passenger deck forward: Abs. vert. accel 0.001 m^2/s^4 0.028 m/s^2 0.055 m/s^2 8.804 (0.71) 7.134 (0.88) 6.827 (0.92) s (rad/s)
passenger deck forward: Rel. vert. accel 0.015 m^2/s^4 0.121 m/s^2 0.242 m/s^2 3.552 (1.77) 1.772 (3.55) 1.621 (3.88) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.003 m 0.006 m 8.965 (0.70) 8.077 (0.78) 7.882 (0.80) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.005 m/s 8.836 (0.71) 7.211 (0.87) 6.895 (0.91) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.002 m/s^2 0.005 m/s^2 8.704 (0.72) 5.805 (1.08) 5.314 (1.18) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.010 m 0.020 m 8.759 (0.72) 6.891 (0.91) 6.597 (0.95) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.009 m/s 0.019 m/s 8.625 (0.73) 5.657 (1.11) 5.298 (1.19) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.011 m/s^2 0.022 m/s^2 5.649 (1.11) 4.312 (1.46) 4.032 (1.56) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.035 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.002 m^2 0.046 m 0.092 m 9.024 (0.70) 8.621 (0.73) 8.473 (0.74) s (rad/s)
Bridge deck: Rel. vert. motion 0.002 m^2 0.043 m 0.087 m 8.859 (0.71) 5.787 (1.09) 5.117 (1.23) s (rad/s)
Bridge deck: Abs. vert. velocity 0.001 m^2/s^2 0.034 m/s 0.069 m/s 8.929 (0.70) 7.995 (0.79) 7.798 (0.81) s (rad/s)
Bridge deck: Rel. vert. velocity 0.003 m^2/s^2 0.053 m/s 0.106 m/s 8.729 (0.72) 3.270 (1.92) 2.758 (2.28) s (rad/s)
Bridge deck: Abs. vert. accel 0.001 m^2/s^4 0.028 m/s^2 0.055 m/s^2 8.804 (0.71) 7.134 (0.88) 6.827 (0.92) s (rad/s)
Bridge deck: Rel. vert. accel 0.015 m^2/s^4 0.121 m/s^2 0.242 m/s^2 3.552 (1.77) 1.772 (3.55) 1.621 (3.88) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.006 m 0.012 m 8.965 (0.70) 8.077 (0.78) 7.882 (0.80) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.009 m/s 8.836 (0.71) 7.211 (0.87) 6.895 (0.91) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.004 m/s^2 0.008 m/s^2 8.704 (0.72) 5.805 (1.08) 5.314 (1.18) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.018 m 0.036 m 8.759 (0.72) 6.891 (0.91) 6.597 (0.95) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.017 m/s 0.034 m/s 8.625 (0.73) 5.657 (1.11) 5.298 (1.19) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.020 m/s^2 0.040 m/s^2 5.649 (1.11) 4.312 (1.46) 4.032 (1.56) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.035 SM 0.000 % 0.000 % -- -- --

Design Speed, 17 kn; 1.77 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 1.770 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 8.986 (0.70) 7.266 (0.86) 6.631 (0.95) s (rad/s)
Added resistance 0.987 kN -- -- 8.917 (0.70) 6.867 (0.91) 6.205 (1.01) s (rad/s)
Heave motion 0.014 m^2 0.120 m 0.241 m 9.022 (0.70) 8.484 (0.74) 8.326 (0.75) s (rad/s)
Roll motion 0.00005 rad^2 0.00700 rad 0.01399 rad 8.783 (0.72) 6.883 (0.91) 6.588 (0.95) s (rad/s)
Pitch motion 0.00001 rad^2 0.00232 rad 0.00465 rad 8.947 (0.70) 8.091 (0.78) 7.896 (0.80) s (rad/s)
Heave velocity 0.008 m^2/s^2 0.091 m/s 0.182 m/s 8.917 (0.70) 7.806 (0.80) 7.581 (0.83) s (rad/s)
Roll velocity 0.00004 (rad/s)^2 0.00667 rad/s 0.01334 rad/s 8.648 (0.73) 5.650 (1.11) 5.294 (1.19) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00185 rad/s 0.00370 rad/s 8.823 (0.71) 7.224 (0.87) 6.910 (0.91) s (rad/s)
Heave acceleration 0.006 m^2/s^4 0.075 m/s^2 0.150 m/s^2 8.789 (0.71) 6.795 (0.92) 6.407 (0.98) s (rad/s)
Roll acceleration 0.00006 (rad/s/s)^2 0.00792 rad/s/s 0.01584 rad/s/s 5.604 (1.12) 4.313 (1.46) 4.035 (1.56) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00168 rad/s/s 0.00336 rad/s/s 8.697 (0.72) 5.824 (1.08) 5.336 (1.18) s (rad/s)
passenger deck aft: Abs. vert. motion 0.018 m^2 0.135 m 0.271 m 9.016 (0.70) 8.431 (0.75) 8.269 (0.76) s (rad/s)
passenger deck aft: Rel. vert. motion 0.003 m^2 0.052 m 0.104 m 4.255 (1.48) 3.950 (1.59) 3.612 (1.74) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.011 m^2/s^2 0.103 m/s 0.206 m/s 8.907 (0.71) 7.733 (0.81) 7.497 (0.84) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.008 m^2/s^2 0.091 m/s 0.182 m/s 3.722 (1.69) 2.681 (2.34) 2.392 (2.63) s (rad/s)
passenger deck aft: Abs. vert. accel 0.007 m^2/s^4 0.086 m/s^2 0.172 m/s^2 8.779 (0.72) 6.667 (0.94) 6.254 (1.00) s (rad/s)
passenger deck aft: Rel. vert. accel 0.057 m^2/s^4 0.239 m/s^2 0.477 m/s^2 3.340 (1.88) 1.735 (3.62) 1.605 (3.92) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.006 m 0.013 m 8.984 (0.70) 8.089 (0.78) 7.893 (0.80) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.010 m/s 8.856 (0.71) 7.219 (0.87) 6.903 (0.91) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.005 m/s^2 0.009 m/s^2 8.721 (0.72) 5.809 (1.08) 5.318 (1.18) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.020 m 0.039 m 8.777 (0.72) 6.898 (0.91) 6.603 (0.95) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.019 m/s 0.037 m/s 8.644 (0.73) 5.660 (1.11) 5.301 (1.19) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.022 m/s^2 0.044 m/s^2 5.661 (1.11) 4.313 (1.46) 4.033 (1.56) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.180 SM 0.037 % 0.002 % -- -- --
passenger deck forward: Abs. vert. motion 0.009 m^2 0.093 m 0.185 m 9.041 (0.69) 8.636 (0.73) 8.488 (0.74) s (rad/s)
passenger deck forward: Rel. vert. motion 0.007 m^2 0.087 m 0.173 m 8.876 (0.71) 5.796 (1.08) 5.125 (1.23) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.005 m^2/s^2 0.069 m/s 0.137 m/s 8.949 (0.70) 8.007 (0.78) 7.809 (0.80) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.011 m^2/s^2 0.106 m/s 0.212 m/s 8.747 (0.72) 3.275 (1.92) 2.763 (2.27) s (rad/s)
passenger deck forward: Abs. vert. accel 0.003 m^2/s^4 0.055 m/s^2 0.110 m/s^2 8.821 (0.71) 7.142 (0.88) 6.834 (0.92) s (rad/s)
passenger deck forward: Rel. vert. accel 0.058 m^2/s^4 0.241 m/s^2 0.482 m/s^2 3.535 (1.78) 1.777 (3.54) 1.626 (3.86) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.006 m 0.013 m 8.984 (0.70) 8.089 (0.78) 7.893 (0.80) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.010 m/s 8.856 (0.71) 7.219 (0.87) 6.903 (0.91) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.005 m/s^2 0.009 m/s^2 8.721 (0.72) 5.809 (1.08) 5.318 (1.18) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.020 m 0.039 m 8.777 (0.72) 6.898 (0.91) 6.603 (0.95) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.019 m/s 0.037 m/s 8.644 (0.73) 5.660 (1.11) 5.301 (1.19) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.022 m/s^2 0.044 m/s^2 5.661 (1.11) 4.313 (1.46) 4.033 (1.56) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.093 SM 0.005 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.009 m^2 0.093 m 0.185 m 9.041 (0.69) 8.636 (0.73) 8.488 (0.74) s (rad/s)
Bridge deck: Rel. vert. motion 0.007 m^2 0.087 m 0.173 m 8.876 (0.71) 5.796 (1.08) 5.125 (1.23) s (rad/s)
Bridge deck: Abs. vert. velocity 0.005 m^2/s^2 0.069 m/s 0.137 m/s 8.949 (0.70) 8.007 (0.78) 7.809 (0.80) s (rad/s)
Bridge deck: Rel. vert. velocity 0.011 m^2/s^2 0.106 m/s 0.212 m/s 8.747 (0.72) 3.275 (1.92) 2.763 (2.27) s (rad/s)
Bridge deck: Abs. vert. accel 0.003 m^2/s^4 0.055 m/s^2 0.110 m/s^2 8.821 (0.71) 7.142 (0.88) 6.834 (0.92) s (rad/s)
Bridge deck: Rel. vert. accel 0.058 m^2/s^4 0.241 m/s^2 0.482 m/s^2 3.535 (1.78) 1.777 (3.54) 1.626 (3.86) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.012 m 0.023 m 8.984 (0.70) 8.089 (0.78) 7.893 (0.80) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.009 m/s 0.019 m/s 8.856 (0.71) 7.219 (0.87) 6.903 (0.91) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.008 m/s^2 0.017 m/s^2 8.721 (0.72) 5.809 (1.08) 5.318 (1.18) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.001 m^2 0.036 m 0.071 m 8.777 (0.72) 6.898 (0.91) 6.603 (0.95) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.001 m^2/s^2 0.034 m/s 0.068 m/s 8.644 (0.73) 5.660 (1.11) 5.301 (1.19) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.002 m^2/s^4 0.040 m/s^2 0.080 m/s^2 5.661 (1.11) 4.313 (1.46) 4.033 (1.56) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.093 SM 0.005 % 0.000 % -- -- --

Design Speed, 17 kn; 1.77 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.965 s -- -- -- -- --
Characteristic wave height 1.200 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 1.770 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.090 m^2 0.300 m 0.601 m 9.969 (0.63) 8.348 (0.75) 7.856 (0.80) s (rad/s)
Encountered wave spectrum 0.090 m^2 0.300 m 0.601 m 8.976 (0.70) 7.257 (0.87) 6.623 (0.95) s (rad/s)
Added resistance 3.951 kN -- -- 8.907 (0.71) 6.861 (0.92) 6.199 (1.01) s (rad/s)
Heave motion 0.058 m^2 0.241 m 0.481 m 9.011 (0.70) 8.476 (0.74) 8.319 (0.76) s (rad/s)
Roll motion 0.00020 rad^2 0.01401 rad 0.02801 rad 8.772 (0.72) 6.879 (0.91) 6.585 (0.95) s (rad/s)
Pitch motion 0.00002 rad^2 0.00465 rad 0.00929 rad 8.938 (0.70) 8.084 (0.78) 7.889 (0.80) s (rad/s)
Heave velocity 0.033 m^2/s^2 0.182 m/s 0.363 m/s 8.907 (0.71) 7.800 (0.81) 7.576 (0.83) s (rad/s)
Roll velocity 0.00018 (rad/s)^2 0.01336 rad/s 0.02673 rad/s 8.637 (0.73) 5.649 (1.11) 5.293 (1.19) s (rad/s)
Pitch velocity 0.00001 (rad/s)^2 0.00370 rad/s 0.00740 rad/s 8.815 (0.71) 7.220 (0.87) 6.906 (0.91) s (rad/s)
Heave acceleration 0.023 m^2/s^4 0.151 m/s^2 0.301 m/s^2 8.778 (0.72) 6.791 (0.93) 6.403 (0.98) s (rad/s)
Roll acceleration 0.00025 (rad/s/s)^2 0.01586 rad/s/s 0.03173 rad/s/s 5.655 (1.11) 4.313 (1.46) 4.035 (1.56) s (rad/s)
Pitch acceleration 0.00001 (rad/s/s)^2 0.00337 rad/s/s 0.00673 rad/s/s 8.686 (0.72) 5.822 (1.08) 5.334 (1.18) s (rad/s)
passenger deck aft: Abs. vert. motion 0.073 m^2 0.271 m 0.541 m 9.005 (0.70) 8.423 (0.75) 8.262 (0.76) s (rad/s)
passenger deck aft: Rel. vert. motion 0.011 m^2 0.105 m 0.209 m 4.250 (1.48) 3.949 (1.59) 3.611 (1.74) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.042 m^2/s^2 0.206 m/s 0.412 m/s 8.897 (0.71) 7.727 (0.81) 7.492 (0.84) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.033 m^2/s^2 0.182 m/s 0.364 m/s 3.745 (1.68) 2.679 (2.35) 2.391 (2.63) s (rad/s)
passenger deck aft: Abs. vert. accel 0.030 m^2/s^4 0.173 m/s^2 0.345 m/s^2 8.768 (0.72) 6.663 (0.94) 6.251 (1.01) s (rad/s)
passenger deck aft: Rel. vert. accel 0.229 m^2/s^4 0.479 m/s^2 0.957 m/s^2 3.336 (1.88) 1.733 (3.63) 1.603 (3.92) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.013 m 0.026 m 8.973 (0.70) 8.082 (0.78) 7.887 (0.80) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.010 m/s 0.020 m/s 8.845 (0.71) 7.215 (0.87) 6.898 (0.91) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.009 m/s^2 0.019 m/s^2 8.712 (0.72) 5.807 (1.08) 5.316 (1.18) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.002 m^2 0.039 m 0.078 m 8.768 (0.72) 6.895 (0.91) 6.599 (0.95) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.001 m^2/s^2 0.037 m/s 0.075 m/s 8.633 (0.73) 5.658 (1.11) 5.299 (1.19) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.002 m^2/s^4 0.044 m/s^2 0.088 m/s^2 5.655 (1.11) 4.312 (1.46) 4.033 (1.56) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.486 SM 0.443 % 0.071 % -- -- --
passenger deck forward: Abs. vert. motion 0.034 m^2 0.185 m 0.370 m 9.033 (0.70) 8.628 (0.73) 8.480 (0.74) s (rad/s)
passenger deck forward: Rel. vert. motion 0.030 m^2 0.173 m 0.346 m 8.868 (0.71) 5.791 (1.08) 5.121 (1.23) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.019 m^2/s^2 0.137 m/s 0.274 m/s 8.938 (0.70) 8.000 (0.79) 7.803 (0.81) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.045 m^2/s^2 0.212 m/s 0.425 m/s 8.738 (0.72) 3.272 (1.92) 2.760 (2.28) s (rad/s)
passenger deck forward: Abs. vert. accel 0.012 m^2/s^4 0.110 m/s^2 0.221 m/s^2 8.813 (0.71) 7.138 (0.88) 6.830 (0.92) s (rad/s)
passenger deck forward: Rel. vert. accel 0.234 m^2/s^4 0.484 m/s^2 0.967 m/s^2 3.530 (1.78) 1.774 (3.54) 1.624 (3.87) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.013 m 0.026 m 8.973 (0.70) 8.082 (0.78) 7.887 (0.80) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.010 m/s 0.020 m/s 8.845 (0.71) 7.215 (0.87) 6.898 (0.91) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.009 m/s^2 0.019 m/s^2 8.712 (0.72) 5.807 (1.08) 5.316 (1.18) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.002 m^2 0.039 m 0.078 m 8.768 (0.72) 6.895 (0.91) 6.599 (0.95) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.001 m^2/s^2 0.037 m/s 0.075 m/s 8.633 (0.73) 5.658 (1.11) 5.299 (1.19) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.002 m^2/s^4 0.044 m/s^2 0.088 m/s^2 5.655 (1.11) 4.312 (1.46) 4.033 (1.56) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.252 SM 0.090 % 0.007 % -- -- --
Bridge deck: Abs. vert. motion 0.034 m^2 0.185 m 0.370 m 9.033 (0.70) 8.628 (0.73) 8.480 (0.74) s (rad/s)
Bridge deck: Rel. vert. motion 0.030 m^2 0.173 m 0.346 m 8.868 (0.71) 5.791 (1.08) 5.121 (1.23) s (rad/s)
Bridge deck: Abs. vert. velocity 0.019 m^2/s^2 0.137 m/s 0.274 m/s 8.938 (0.70) 8.000 (0.79) 7.803 (0.81) s (rad/s)
Bridge deck: Rel. vert. velocity 0.045 m^2/s^2 0.212 m/s 0.425 m/s 8.738 (0.72) 3.272 (1.92) 2.760 (2.28) s (rad/s)
Bridge deck: Abs. vert. accel 0.012 m^2/s^4 0.110 m/s^2 0.221 m/s^2 8.813 (0.71) 7.138 (0.88) 6.830 (0.92) s (rad/s)
Bridge deck: Rel. vert. accel 0.234 m^2/s^4 0.484 m/s^2 0.967 m/s^2 3.530 (1.78) 1.774 (3.54) 1.624 (3.87) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.001 m^2 0.023 m 0.047 m 8.973 (0.70) 8.082 (0.78) 7.887 (0.80) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.019 m/s 0.037 m/s 8.845 (0.71) 7.215 (0.87) 6.898 (0.91) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.017 m/s^2 0.034 m/s^2 8.712 (0.72) 5.807 (1.08) 5.316 (1.18) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.005 m^2 0.071 m 0.143 m 8.768 (0.72) 6.895 (0.91) 6.599 (0.95) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.005 m^2/s^2 0.068 m/s 0.136 m/s 8.633 (0.73) 5.658 (1.11) 5.299 (1.19) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.006 m^2/s^4 0.081 m/s^2 0.161 m/s^2 5.655 (1.11) 4.312 (1.46) 4.033 (1.56) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.252 SM 0.090 % 0.007 % -- -- --

Design Speed, 17 kn; 1.77 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 2.000 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 1.770 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.251 m^2 0.501 m 1.001 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.251 m^2 0.501 m 1.001 m 8.986 (0.70) 7.266 (0.86) 6.631 (0.95) s (rad/s)
Added resistance 10.964 kN -- -- 8.917 (0.70) 6.867 (0.91) 6.205 (1.01) s (rad/s)
Heave motion 0.161 m^2 0.401 m 0.802 m 9.022 (0.70) 8.484 (0.74) 8.326 (0.75) s (rad/s)
Roll motion 0.00054 rad^2 0.02332 rad 0.04664 rad 8.783 (0.72) 6.883 (0.91) 6.588 (0.95) s (rad/s)
Pitch motion 0.00006 rad^2 0.00774 rad 0.01549 rad 8.947 (0.70) 8.091 (0.78) 7.896 (0.80) s (rad/s)
Heave velocity 0.092 m^2/s^2 0.303 m/s 0.605 m/s 8.917 (0.70) 7.806 (0.80) 7.581 (0.83) s (rad/s)
Roll velocity 0.00049 (rad/s)^2 0.02224 rad/s 0.04448 rad/s 8.648 (0.73) 5.650 (1.11) 5.294 (1.19) s (rad/s)
Pitch velocity 0.00004 (rad/s)^2 0.00616 rad/s 0.01232 rad/s 8.823 (0.71) 7.224 (0.87) 6.910 (0.91) s (rad/s)
Heave acceleration 0.063 m^2/s^4 0.251 m/s^2 0.502 m/s^2 8.789 (0.71) 6.795 (0.92) 6.407 (0.98) s (rad/s)
Roll acceleration 0.00070 (rad/s/s)^2 0.02639 rad/s/s 0.05279 rad/s/s 5.604 (1.12) 4.313 (1.46) 4.035 (1.56) s (rad/s)
Pitch acceleration 0.00003 (rad/s/s)^2 0.00560 rad/s/s 0.01120 rad/s/s 8.697 (0.72) 5.824 (1.08) 5.336 (1.18) s (rad/s)
passenger deck aft: Abs. vert. motion 0.204 m^2 0.451 m 0.903 m 9.016 (0.70) 8.431 (0.75) 8.269 (0.76) s (rad/s)
passenger deck aft: Rel. vert. motion 0.030 m^2 0.174 m 0.348 m 4.255 (1.48) 3.950 (1.59) 3.612 (1.74) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.118 m^2/s^2 0.343 m/s 0.686 m/s 8.907 (0.71) 7.733 (0.81) 7.497 (0.84) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.092 m^2/s^2 0.303 m/s 0.606 m/s 3.722 (1.69) 2.681 (2.34) 2.392 (2.63) s (rad/s)
passenger deck aft: Abs. vert. accel 0.083 m^2/s^4 0.287 m/s^2 0.575 m/s^2 8.779 (0.72) 6.667 (0.94) 6.254 (1.00) s (rad/s)
passenger deck aft: Rel. vert. accel 0.633 m^2/s^4 0.795 m/s^2 1.591 m/s^2 3.340 (1.88) 1.735 (3.62) 1.605 (3.92) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.021 m 0.043 m 8.984 (0.70) 8.089 (0.78) 7.893 (0.80) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.017 m/s 0.034 m/s 8.856 (0.71) 7.219 (0.87) 6.903 (0.91) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.015 m/s^2 0.031 m/s^2 8.721 (0.72) 5.809 (1.08) 5.318 (1.18) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.004 m^2 0.065 m 0.130 m 8.777 (0.72) 6.898 (0.91) 6.603 (0.95) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.004 m^2/s^2 0.062 m/s 0.124 m/s 8.644 (0.73) 5.660 (1.11) 5.301 (1.19) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.005 m^2/s^4 0.073 m/s^2 0.147 m/s^2 5.661 (1.11) 4.313 (1.46) 4.033 (1.56) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 1.007 SM 1.951 % 0.561 % -- -- --
passenger deck forward: Abs. vert. motion 0.095 m^2 0.309 m 0.618 m 9.041 (0.69) 8.636 (0.73) 8.488 (0.74) s (rad/s)
passenger deck forward: Rel. vert. motion 0.083 m^2 0.288 m 0.577 m 8.876 (0.71) 5.796 (1.08) 5.125 (1.23) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.052 m^2/s^2 0.229 m/s 0.457 m/s 8.949 (0.70) 8.007 (0.78) 7.809 (0.80) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.125 m^2/s^2 0.354 m/s 0.707 m/s 8.747 (0.72) 3.275 (1.92) 2.763 (2.27) s (rad/s)
passenger deck forward: Abs. vert. accel 0.034 m^2/s^4 0.184 m/s^2 0.368 m/s^2 8.821 (0.71) 7.142 (0.88) 6.834 (0.92) s (rad/s)
passenger deck forward: Rel. vert. accel 0.646 m^2/s^4 0.804 m/s^2 1.608 m/s^2 3.535 (1.78) 1.777 (3.54) 1.626 (3.86) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.021 m 0.043 m 8.984 (0.70) 8.089 (0.78) 7.893 (0.80) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.017 m/s 0.034 m/s 8.856 (0.71) 7.219 (0.87) 6.903 (0.91) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.015 m/s^2 0.031 m/s^2 8.721 (0.72) 5.809 (1.08) 5.318 (1.18) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.004 m^2 0.065 m 0.130 m 8.777 (0.72) 6.898 (0.91) 6.603 (0.95) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.004 m^2/s^2 0.062 m/s 0.124 m/s 8.644 (0.73) 5.660 (1.11) 5.301 (1.19) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.005 m^2/s^4 0.073 m/s^2 0.147 m/s^2 5.661 (1.11) 4.313 (1.46) 4.033 (1.56) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.522 SM 0.514 % 0.086 % -- -- --
Bridge deck: Abs. vert. motion 0.095 m^2 0.309 m 0.618 m 9.041 (0.69) 8.636 (0.73) 8.488 (0.74) s (rad/s)
Bridge deck: Rel. vert. motion 0.083 m^2 0.288 m 0.577 m 8.876 (0.71) 5.796 (1.08) 5.125 (1.23) s (rad/s)
Bridge deck: Abs. vert. velocity 0.052 m^2/s^2 0.229 m/s 0.457 m/s 8.949 (0.70) 8.007 (0.78) 7.809 (0.80) s (rad/s)
Bridge deck: Rel. vert. velocity 0.125 m^2/s^2 0.354 m/s 0.707 m/s 8.747 (0.72) 3.275 (1.92) 2.763 (2.27) s (rad/s)
Bridge deck: Abs. vert. accel 0.034 m^2/s^4 0.184 m/s^2 0.368 m/s^2 8.821 (0.71) 7.142 (0.88) 6.834 (0.92) s (rad/s)
Bridge deck: Rel. vert. accel 0.646 m^2/s^4 0.804 m/s^2 1.608 m/s^2 3.535 (1.78) 1.777 (3.54) 1.626 (3.86) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.002 m^2 0.039 m 0.078 m 8.984 (0.70) 8.089 (0.78) 7.893 (0.80) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.001 m^2/s^2 0.031 m/s 0.062 m/s 8.856 (0.71) 7.219 (0.87) 6.903 (0.91) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.001 m^2/s^4 0.028 m/s^2 0.056 m/s^2 8.721 (0.72) 5.809 (1.08) 5.318 (1.18) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.014 m^2 0.119 m 0.238 m 8.777 (0.72) 6.898 (0.91) 6.603 (0.95) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.013 m^2/s^2 0.113 m/s 0.226 m/s 8.644 (0.73) 5.660 (1.11) 5.301 (1.19) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.018 m^2/s^4 0.134 m/s^2 0.268 m/s^2 5.661 (1.11) 4.313 (1.46) 4.033 (1.56) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.522 SM 0.514 % 0.086 % -- -- --

Design Speed, 17 kn; beam seea, 2.035 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.956 s -- -- -- -- --
Characteristic wave height 0.300 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 2.035 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.006 m^2 0.075 m 0.150 m 9.960 (0.63) 8.340 (0.75) 7.849 (0.80) s (rad/s)
Encountered wave spectrum 0.006 m^2 0.075 m 0.150 m 7.965 (0.79) 6.223 (1.01) 5.488 (1.14) s (rad/s)
Added resistance 0.242 kN -- -- 7.890 (0.80) 6.175 (1.02) 5.610 (1.12) s (rad/s)
Heave motion 0.004 m^2 0.062 m 0.123 m 7.987 (0.79) 7.426 (0.85) 7.257 (0.87) s (rad/s)
Roll motion 0.00001 rad^2 0.00336 rad 0.00673 rad 7.748 (0.81) 5.975 (1.05) 5.742 (1.09) s (rad/s)
Pitch motion 0.00000 rad^2 0.00106 rad 0.00212 rad 7.888 (0.80) 6.688 (0.94) 6.446 (0.97) s (rad/s)
Heave velocity 0.003 m^2/s^2 0.053 m/s 0.107 m/s 7.872 (0.80) 6.707 (0.94) 6.479 (0.97) s (rad/s)
Roll velocity 0.00001 (rad/s)^2 0.00368 rad/s 0.00736 rad/s 7.603 (0.83) 5.044 (1.25) 4.793 (1.31) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00103 rad/s 0.00207 rad/s 7.750 (0.81) 5.680 (1.11) 5.385 (1.17) s (rad/s)
Heave acceleration 0.003 m^2/s^4 0.052 m/s^2 0.103 m/s^2 7.735 (0.81) 5.730 (1.10) 5.404 (1.16) s (rad/s)
Roll acceleration 0.00002 (rad/s/s)^2 0.00483 rad/s/s 0.00965 rad/s/s 4.517 (1.39) 4.057 (1.55) 3.803 (1.65) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00121 rad/s/s 0.00241 rad/s/s 7.601 (0.83) 4.512 (1.39) 4.203 (1.49) s (rad/s)
passenger deck aft: Abs. vert. motion 0.005 m^2 0.069 m 0.137 m 7.979 (0.79) 7.366 (0.85) 7.190 (0.87) s (rad/s)
passenger deck aft: Rel. vert. motion 0.001 m^2 0.027 m 0.054 m 3.535 (1.78) 3.206 (1.96) 2.845 (2.21) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.004 m^2/s^2 0.060 m/s 0.120 m/s 7.858 (0.80) 6.615 (0.95) 6.373 (0.99) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.003 m^2/s^2 0.059 m/s 0.118 m/s 3.033 (2.07) 1.890 (3.32) 1.628 (3.86) s (rad/s)
passenger deck aft: Abs. vert. accel 0.003 m^2/s^4 0.059 m/s^2 0.118 m/s^2 7.721 (0.81) 5.579 (1.13) 5.234 (1.20) s (rad/s)
passenger deck aft: Rel. vert. accel 0.052 m^2/s^4 0.228 m/s^2 0.456 m/s^2 0.681 (9.23) 1.103 (5.70) 1.021 (6.15) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.003 m 0.006 m 7.870 (0.80) 6.685 (0.94) 6.444 (0.98) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.006 m/s 7.729 (0.81) 5.678 (1.11) 5.382 (1.17) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.003 m/s^2 0.007 m/s^2 7.601 (0.83) 4.508 (1.39) 4.199 (1.50) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.009 m 0.019 m 7.762 (0.81) 5.985 (1.05) 5.752 (1.09) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.010 m/s 0.021 m/s 7.620 (0.82) 5.051 (1.24) 4.798 (1.31) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.013 m/s^2 0.027 m/s^2 4.517 (1.39) 4.059 (1.55) 3.804 (1.65) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.110 SM 0.009 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.002 m^2 0.049 m 0.097 m 8.010 (0.78) 7.555 (0.83) 7.395 (0.85) s (rad/s)
passenger deck forward: Rel. vert. motion 0.002 m^2 0.047 m 0.093 m 7.842 (0.80) 4.917 (1.28) 4.226 (1.49) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.002 m^2/s^2 0.041 m/s 0.083 m/s 7.906 (0.79) 6.884 (0.91) 6.681 (0.94) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.005 m^2/s^2 0.069 m/s 0.139 m/s 7.704 (0.82) 2.368 (2.65) 1.904 (3.30) s (rad/s)
passenger deck forward: Abs. vert. accel 0.002 m^2/s^4 0.039 m/s^2 0.078 m/s^2 7.772 (0.81) 6.033 (1.04) 5.773 (1.09) s (rad/s)
passenger deck forward: Rel. vert. accel 0.052 m^2/s^4 0.229 m/s^2 0.457 m/s^2 0.681 (9.23) 1.129 (5.56) 1.036 (6.06) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.003 m 0.006 m 7.870 (0.80) 6.685 (0.94) 6.444 (0.98) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.006 m/s 7.729 (0.81) 5.678 (1.11) 5.382 (1.17) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.003 m/s^2 0.007 m/s^2 7.601 (0.83) 4.508 (1.39) 4.199 (1.50) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.009 m 0.019 m 7.762 (0.81) 5.985 (1.05) 5.752 (1.09) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.010 m/s 0.021 m/s 7.620 (0.82) 5.051 (1.24) 4.798 (1.31) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.013 m/s^2 0.027 m/s^2 4.517 (1.39) 4.059 (1.55) 3.804 (1.65) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.060 SM 0.001 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.002 m^2 0.049 m 0.097 m 8.010 (0.78) 7.555 (0.83) 7.395 (0.85) s (rad/s)
Bridge deck: Rel. vert. motion 0.002 m^2 0.047 m 0.093 m 7.842 (0.80) 4.917 (1.28) 4.226 (1.49) s (rad/s)
Bridge deck: Abs. vert. velocity 0.002 m^2/s^2 0.041 m/s 0.083 m/s 7.906 (0.79) 6.884 (0.91) 6.681 (0.94) s (rad/s)
Bridge deck: Rel. vert. velocity 0.005 m^2/s^2 0.069 m/s 0.139 m/s 7.704 (0.82) 2.368 (2.65) 1.904 (3.30) s (rad/s)
Bridge deck: Abs. vert. accel 0.002 m^2/s^4 0.039 m/s^2 0.078 m/s^2 7.772 (0.81) 6.033 (1.04) 5.773 (1.09) s (rad/s)
Bridge deck: Rel. vert. accel 0.052 m^2/s^4 0.229 m/s^2 0.457 m/s^2 0.681 (9.23) 1.129 (5.56) 1.036 (6.06) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.005 m 0.011 m 7.870 (0.80) 6.685 (0.94) 6.444 (0.98) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.010 m/s 7.729 (0.81) 5.678 (1.11) 5.382 (1.17) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.006 m/s^2 0.012 m/s^2 7.601 (0.83) 4.508 (1.39) 4.199 (1.50) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.017 m 0.034 m 7.762 (0.81) 5.985 (1.05) 5.752 (1.09) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.019 m/s 0.037 m/s 7.620 (0.82) 5.051 (1.24) 4.798 (1.31) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.001 m^2/s^4 0.025 m/s^2 0.049 m/s^2 4.517 (1.39) 4.059 (1.55) 3.804 (1.65) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.060 SM 0.001 % 0.000 % -- -- --

Design Speed, 17 kn; beam seea, 2.035 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 2.035 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 7.984 (0.79) 6.238 (1.01) 5.502 (1.14) s (rad/s)
Added resistance 0.968 kN -- -- 7.907 (0.79) 6.187 (1.02) 5.620 (1.12) s (rad/s)
Heave motion 0.015 m^2 0.123 m 0.247 m 8.006 (0.78) 7.440 (0.84) 7.270 (0.86) s (rad/s)
Roll motion 0.00005 rad^2 0.00671 rad 0.01343 rad 7.767 (0.81) 5.981 (1.05) 5.747 (1.09) s (rad/s)
Pitch motion 0.00000 rad^2 0.00212 rad 0.00424 rad 7.905 (0.79) 6.698 (0.94) 6.456 (0.97) s (rad/s)
Heave velocity 0.011 m^2/s^2 0.107 m/s 0.213 m/s 7.889 (0.80) 6.717 (0.94) 6.487 (0.97) s (rad/s)
Roll velocity 0.00005 (rad/s)^2 0.00734 rad/s 0.01468 rad/s 7.620 (0.82) 5.046 (1.25) 4.795 (1.31) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00206 rad/s 0.00413 rad/s 7.769 (0.81) 5.686 (1.10) 5.390 (1.17) s (rad/s)
Heave acceleration 0.011 m^2/s^4 0.103 m/s^2 0.206 m/s^2 7.753 (0.81) 5.735 (1.10) 5.408 (1.16) s (rad/s)
Roll acceleration 0.00009 (rad/s/s)^2 0.00962 rad/s/s 0.01924 rad/s/s 4.479 (1.40) 4.058 (1.55) 3.804 (1.65) s (rad/s)
Pitch acceleration 0.00001 (rad/s/s)^2 0.00241 rad/s/s 0.00481 rad/s/s 7.620 (0.82) 4.514 (1.39) 4.205 (1.49) s (rad/s)
passenger deck aft: Abs. vert. motion 0.019 m^2 0.137 m 0.275 m 7.998 (0.79) 7.379 (0.85) 7.203 (0.87) s (rad/s)
passenger deck aft: Rel. vert. motion 0.003 m^2 0.053 m 0.107 m 3.544 (1.77) 3.208 (1.96) 2.847 (2.21) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.014 m^2/s^2 0.120 m/s 0.240 m/s 7.877 (0.80) 6.625 (0.95) 6.382 (0.98) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.014 m^2/s^2 0.118 m/s 0.236 m/s 3.015 (2.08) 1.893 (3.32) 1.631 (3.85) s (rad/s)
passenger deck aft: Abs. vert. accel 0.014 m^2/s^4 0.118 m/s^2 0.236 m/s^2 7.738 (0.81) 5.584 (1.13) 5.238 (1.20) s (rad/s)
passenger deck aft: Rel. vert. accel 0.206 m^2/s^4 0.454 m/s^2 0.907 m/s^2 0.681 (9.23) 1.106 (5.68) 1.024 (6.14) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.006 m 0.012 m 7.889 (0.80) 6.696 (0.94) 6.453 (0.97) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.006 m/s 0.011 m/s 7.747 (0.81) 5.683 (1.11) 5.387 (1.17) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.007 m/s^2 0.013 m/s^2 7.601 (0.83) 4.510 (1.39) 4.201 (1.50) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.019 m 0.038 m 7.779 (0.81) 5.991 (1.05) 5.756 (1.09) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.020 m/s 0.041 m/s 7.637 (0.82) 5.053 (1.24) 4.800 (1.31) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.001 m^2/s^4 0.027 m/s^2 0.054 m/s^2 4.479 (1.40) 4.059 (1.55) 3.805 (1.65) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.295 SM 0.136 % 0.014 % -- -- --
passenger deck forward: Abs. vert. motion 0.009 m^2 0.097 m 0.195 m 8.027 (0.78) 7.569 (0.83) 7.409 (0.85) s (rad/s)
passenger deck forward: Rel. vert. motion 0.009 m^2 0.093 m 0.186 m 7.859 (0.80) 4.925 (1.28) 4.233 (1.48) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.007 m^2/s^2 0.083 m/s 0.165 m/s 7.923 (0.79) 6.895 (0.91) 6.691 (0.94) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.019 m^2/s^2 0.138 m/s 0.276 m/s 7.722 (0.81) 2.372 (2.65) 1.909 (3.29) s (rad/s)
passenger deck forward: Abs. vert. accel 0.006 m^2/s^4 0.077 m/s^2 0.155 m/s^2 7.788 (0.81) 6.040 (1.04) 5.778 (1.09) s (rad/s)
passenger deck forward: Rel. vert. accel 0.207 m^2/s^4 0.455 m/s^2 0.909 m/s^2 0.681 (9.23) 1.133 (5.55) 1.039 (6.04) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.006 m 0.012 m 7.889 (0.80) 6.696 (0.94) 6.453 (0.97) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.006 m/s 0.011 m/s 7.747 (0.81) 5.683 (1.11) 5.387 (1.17) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.007 m/s^2 0.013 m/s^2 7.601 (0.83) 4.510 (1.39) 4.201 (1.50) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.019 m 0.038 m 7.779 (0.81) 5.991 (1.05) 5.756 (1.09) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.020 m/s 0.041 m/s 7.637 (0.82) 5.053 (1.24) 4.800 (1.31) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.001 m^2/s^4 0.027 m/s^2 0.054 m/s^2 4.479 (1.40) 4.059 (1.55) 3.805 (1.65) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.160 SM 0.027 % 0.001 % -- -- --
Bridge deck: Abs. vert. motion 0.009 m^2 0.097 m 0.195 m 8.027 (0.78) 7.569 (0.83) 7.409 (0.85) s (rad/s)
Bridge deck: Rel. vert. motion 0.009 m^2 0.093 m 0.186 m 7.859 (0.80) 4.925 (1.28) 4.233 (1.48) s (rad/s)
Bridge deck: Abs. vert. velocity 0.007 m^2/s^2 0.083 m/s 0.165 m/s 7.923 (0.79) 6.895 (0.91) 6.691 (0.94) s (rad/s)
Bridge deck: Rel. vert. velocity 0.019 m^2/s^2 0.138 m/s 0.276 m/s 7.722 (0.81) 2.372 (2.65) 1.909 (3.29) s (rad/s)
Bridge deck: Abs. vert. accel 0.006 m^2/s^4 0.077 m/s^2 0.155 m/s^2 7.788 (0.81) 6.040 (1.04) 5.778 (1.09) s (rad/s)
Bridge deck: Rel. vert. accel 0.207 m^2/s^4 0.455 m/s^2 0.909 m/s^2 0.681 (9.23) 1.133 (5.55) 1.039 (6.04) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.011 m 0.021 m 7.889 (0.80) 6.696 (0.94) 6.453 (0.97) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.010 m/s 0.021 m/s 7.747 (0.81) 5.683 (1.11) 5.387 (1.17) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.012 m/s^2 0.024 m/s^2 7.601 (0.83) 4.510 (1.39) 4.201 (1.50) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.001 m^2 0.034 m 0.068 m 7.779 (0.81) 5.991 (1.05) 5.756 (1.09) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.001 m^2/s^2 0.037 m/s 0.075 m/s 7.637 (0.82) 5.053 (1.24) 4.800 (1.31) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.002 m^2/s^4 0.049 m/s^2 0.098 m/s^2 4.479 (1.40) 4.059 (1.55) 3.805 (1.65) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.160 SM 0.027 % 0.001 % -- -- --

Design Speed, 17 kn; beam seea, 2.035 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.965 s -- -- -- -- --
Characteristic wave height 1.200 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 2.035 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.090 m^2 0.300 m 0.601 m 9.969 (0.63) 8.348 (0.75) 7.856 (0.80) s (rad/s)
Encountered wave spectrum 0.090 m^2 0.300 m 0.601 m 7.973 (0.79) 6.230 (1.01) 5.494 (1.14) s (rad/s)
Added resistance 3.876 kN -- -- 7.899 (0.80) 6.181 (1.02) 5.615 (1.12) s (rad/s)
Heave motion 0.061 m^2 0.247 m 0.493 m 7.996 (0.79) 7.432 (0.85) 7.263 (0.87) s (rad/s)
Roll motion 0.00018 rad^2 0.01344 rad 0.02689 rad 7.757 (0.81) 5.978 (1.05) 5.745 (1.09) s (rad/s)
Pitch motion 0.00002 rad^2 0.00424 rad 0.00849 rad 7.897 (0.80) 6.692 (0.94) 6.451 (0.97) s (rad/s)
Heave velocity 0.045 m^2/s^2 0.213 m/s 0.426 m/s 7.879 (0.80) 6.711 (0.94) 6.483 (0.97) s (rad/s)
Roll velocity 0.00022 (rad/s)^2 0.01470 rad/s 0.02940 rad/s 7.612 (0.83) 5.045 (1.25) 4.794 (1.31) s (rad/s)
Pitch velocity 0.00002 (rad/s)^2 0.00413 rad/s 0.00826 rad/s 7.759 (0.81) 5.683 (1.11) 5.387 (1.17) s (rad/s)
Heave acceleration 0.043 m^2/s^4 0.207 m/s^2 0.413 m/s^2 7.743 (0.81) 5.732 (1.10) 5.406 (1.16) s (rad/s)
Roll acceleration 0.00037 (rad/s/s)^2 0.01927 rad/s/s 0.03854 rad/s/s 4.473 (1.40) 4.057 (1.55) 3.804 (1.65) s (rad/s)
Pitch acceleration 0.00002 (rad/s/s)^2 0.00482 rad/s/s 0.00964 rad/s/s 7.610 (0.83) 4.513 (1.39) 4.204 (1.49) s (rad/s)
passenger deck aft: Abs. vert. motion 0.075 m^2 0.275 m 0.549 m 7.988 (0.79) 7.372 (0.85) 7.196 (0.87) s (rad/s)
passenger deck aft: Rel. vert. motion 0.011 m^2 0.107 m 0.214 m 3.539 (1.78) 3.207 (1.96) 2.846 (2.21) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.057 m^2/s^2 0.240 m/s 0.479 m/s 7.867 (0.80) 6.619 (0.95) 6.377 (0.99) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.056 m^2/s^2 0.236 m/s 0.472 m/s 3.011 (2.09) 1.892 (3.32) 1.629 (3.86) s (rad/s)
passenger deck aft: Abs. vert. accel 0.056 m^2/s^4 0.236 m/s^2 0.472 m/s^2 7.730 (0.81) 5.581 (1.13) 5.236 (1.20) s (rad/s)
passenger deck aft: Rel. vert. accel 0.828 m^2/s^4 0.910 m/s^2 1.820 m/s^2 0.682 (9.21) 1.105 (5.69) 1.022 (6.15) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.012 m 0.024 m 7.879 (0.80) 6.690 (0.94) 6.448 (0.97) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.011 m/s 0.023 m/s 7.739 (0.81) 5.680 (1.11) 5.384 (1.17) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.013 m/s^2 0.027 m/s^2 7.602 (0.83) 4.509 (1.39) 4.200 (1.50) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.001 m^2 0.038 m 0.075 m 7.770 (0.81) 5.988 (1.05) 5.754 (1.09) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.002 m^2/s^2 0.041 m/s 0.082 m/s 7.628 (0.82) 5.052 (1.24) 4.799 (1.31) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.003 m^2/s^4 0.054 m/s^2 0.107 m/s^2 4.522 (1.39) 4.059 (1.55) 3.805 (1.65) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.797 SM 1.243 % 0.306 % -- -- --
passenger deck forward: Abs. vert. motion 0.038 m^2 0.195 m 0.389 m 8.019 (0.78) 7.561 (0.83) 7.402 (0.85) s (rad/s)
passenger deck forward: Rel. vert. motion 0.035 m^2 0.186 m 0.373 m 7.851 (0.80) 4.920 (1.28) 4.229 (1.49) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.027 m^2/s^2 0.165 m/s 0.330 m/s 7.913 (0.79) 6.889 (0.91) 6.686 (0.94) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.077 m^2/s^2 0.277 m/s 0.554 m/s 7.712 (0.81) 2.370 (2.65) 1.906 (3.30) s (rad/s)
passenger deck forward: Abs. vert. accel 0.024 m^2/s^4 0.155 m/s^2 0.310 m/s^2 7.778 (0.81) 6.036 (1.04) 5.775 (1.09) s (rad/s)
passenger deck forward: Rel. vert. accel 0.832 m^2/s^4 0.912 m/s^2 1.824 m/s^2 0.682 (9.21) 1.131 (5.56) 1.038 (6.05) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.012 m 0.024 m 7.879 (0.80) 6.690 (0.94) 6.448 (0.97) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.011 m/s 0.023 m/s 7.739 (0.81) 5.680 (1.11) 5.384 (1.17) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.013 m/s^2 0.027 m/s^2 7.602 (0.83) 4.509 (1.39) 4.200 (1.50) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.001 m^2 0.038 m 0.075 m 7.770 (0.81) 5.988 (1.05) 5.754 (1.09) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.002 m^2/s^2 0.041 m/s 0.082 m/s 7.628 (0.82) 5.052 (1.24) 4.799 (1.31) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.003 m^2/s^4 0.054 m/s^2 0.107 m/s^2 4.522 (1.39) 4.059 (1.55) 3.805 (1.65) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.433 SM 0.343 % 0.050 % -- -- --
Bridge deck: Abs. vert. motion 0.038 m^2 0.195 m 0.389 m 8.019 (0.78) 7.561 (0.83) 7.402 (0.85) s (rad/s)
Bridge deck: Rel. vert. motion 0.035 m^2 0.186 m 0.373 m 7.851 (0.80) 4.920 (1.28) 4.229 (1.49) s (rad/s)
Bridge deck: Abs. vert. velocity 0.027 m^2/s^2 0.165 m/s 0.330 m/s 7.913 (0.79) 6.889 (0.91) 6.686 (0.94) s (rad/s)
Bridge deck: Rel. vert. velocity 0.077 m^2/s^2 0.277 m/s 0.554 m/s 7.712 (0.81) 2.370 (2.65) 1.906 (3.30) s (rad/s)
Bridge deck: Abs. vert. accel 0.024 m^2/s^4 0.155 m/s^2 0.310 m/s^2 7.778 (0.81) 6.036 (1.04) 5.775 (1.09) s (rad/s)
Bridge deck: Rel. vert. accel 0.832 m^2/s^4 0.912 m/s^2 1.824 m/s^2 0.682 (9.21) 1.131 (5.56) 1.038 (6.05) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.021 m 0.043 m 7.879 (0.80) 6.690 (0.94) 6.448 (0.97) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.021 m/s 0.042 m/s 7.739 (0.81) 5.680 (1.11) 5.384 (1.17) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.001 m^2/s^4 0.024 m/s^2 0.049 m/s^2 7.602 (0.83) 4.509 (1.39) 4.200 (1.50) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.005 m^2 0.069 m 0.137 m 7.770 (0.81) 5.988 (1.05) 5.754 (1.09) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.006 m^2/s^2 0.075 m/s 0.150 m/s 7.628 (0.82) 5.052 (1.24) 4.799 (1.31) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.010 m^2/s^4 0.098 m/s^2 0.196 m/s^2 4.522 (1.39) 4.059 (1.55) 3.805 (1.65) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.433 SM 0.343 % 0.050 % -- -- --

Design Speed, 17 kn; beam seea, 2.035 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 2.000 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 2.035 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.251 m^2 0.501 m 1.001 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.251 m^2 0.501 m 1.001 m 7.984 (0.79) 6.238 (1.01) 5.502 (1.14) s (rad/s)
Added resistance 10.757 kN -- -- 7.907 (0.79) 6.187 (1.02) 5.620 (1.12) s (rad/s)
Heave motion 0.169 m^2 0.411 m 0.822 m 8.006 (0.78) 7.440 (0.84) 7.270 (0.86) s (rad/s)
Roll motion 0.00050 rad^2 0.02238 rad 0.04476 rad 7.767 (0.81) 5.981 (1.05) 5.747 (1.09) s (rad/s)
Pitch motion 0.00005 rad^2 0.00707 rad 0.01414 rad 7.905 (0.79) 6.698 (0.94) 6.456 (0.97) s (rad/s)
Heave velocity 0.126 m^2/s^2 0.355 m/s 0.710 m/s 7.889 (0.80) 6.717 (0.94) 6.487 (0.97) s (rad/s)
Roll velocity 0.00060 (rad/s)^2 0.02447 rad/s 0.04893 rad/s 7.620 (0.82) 5.046 (1.25) 4.795 (1.31) s (rad/s)
Pitch velocity 0.00005 (rad/s)^2 0.00688 rad/s 0.01376 rad/s 7.769 (0.81) 5.686 (1.10) 5.390 (1.17) s (rad/s)
Heave acceleration 0.118 m^2/s^4 0.344 m/s^2 0.688 m/s^2 7.753 (0.81) 5.735 (1.10) 5.408 (1.16) s (rad/s)
Roll acceleration 0.00103 (rad/s/s)^2 0.03206 rad/s/s 0.06412 rad/s/s 4.479 (1.40) 4.058 (1.55) 3.804 (1.65) s (rad/s)
Pitch acceleration 0.00006 (rad/s/s)^2 0.00802 rad/s/s 0.01603 rad/s/s 7.620 (0.82) 4.514 (1.39) 4.205 (1.49) s (rad/s)
passenger deck aft: Abs. vert. motion 0.210 m^2 0.458 m 0.915 m 7.998 (0.79) 7.379 (0.85) 7.203 (0.87) s (rad/s)
passenger deck aft: Rel. vert. motion 0.032 m^2 0.178 m 0.356 m 3.544 (1.77) 3.208 (1.96) 2.847 (2.21) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.159 m^2/s^2 0.399 m/s 0.798 m/s 7.877 (0.80) 6.625 (0.95) 6.382 (0.98) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.154 m^2/s^2 0.393 m/s 0.785 m/s 3.015 (2.08) 1.893 (3.32) 1.631 (3.85) s (rad/s)
passenger deck aft: Abs. vert. accel 0.154 m^2/s^4 0.393 m/s^2 0.786 m/s^2 7.738 (0.81) 5.584 (1.13) 5.238 (1.20) s (rad/s)
passenger deck aft: Rel. vert. accel 2.287 m^2/s^4 1.512 m/s^2 3.024 m/s^2 0.681 (9.23) 1.106 (5.68) 1.024 (6.14) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.020 m 0.039 m 7.889 (0.80) 6.696 (0.94) 6.453 (0.97) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.019 m/s 0.038 m/s 7.747 (0.81) 5.683 (1.11) 5.387 (1.17) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.022 m/s^2 0.045 m/s^2 7.601 (0.83) 4.510 (1.39) 4.201 (1.50) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.004 m^2 0.063 m 0.125 m 7.779 (0.81) 5.991 (1.05) 5.756 (1.09) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.005 m^2/s^2 0.068 m/s 0.137 m/s 7.637 (0.82) 5.053 (1.24) 4.800 (1.31) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.008 m^2/s^4 0.089 m/s^2 0.179 m/s^2 4.479 (1.40) 4.059 (1.55) 3.805 (1.65) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 1.651 SM 4.549 % 1.826 % -- -- --
passenger deck forward: Abs. vert. motion 0.105 m^2 0.325 m 0.649 m 8.027 (0.78) 7.569 (0.83) 7.409 (0.85) s (rad/s)
passenger deck forward: Rel. vert. motion 0.096 m^2 0.310 m 0.621 m 7.859 (0.80) 4.925 (1.28) 4.233 (1.48) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.076 m^2/s^2 0.275 m/s 0.550 m/s 7.923 (0.79) 6.895 (0.91) 6.691 (0.94) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.212 m^2/s^2 0.460 m/s 0.921 m/s 7.722 (0.81) 2.372 (2.65) 1.909 (3.29) s (rad/s)
passenger deck forward: Abs. vert. accel 0.067 m^2/s^4 0.258 m/s^2 0.517 m/s^2 7.788 (0.81) 6.040 (1.04) 5.778 (1.09) s (rad/s)
passenger deck forward: Rel. vert. accel 2.297 m^2/s^4 1.516 m/s^2 3.031 m/s^2 0.681 (9.23) 1.133 (5.55) 1.039 (6.04) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.020 m 0.039 m 7.889 (0.80) 6.696 (0.94) 6.453 (0.97) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.019 m/s 0.038 m/s 7.747 (0.81) 5.683 (1.11) 5.387 (1.17) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.022 m/s^2 0.045 m/s^2 7.601 (0.83) 4.510 (1.39) 4.201 (1.50) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.004 m^2 0.063 m 0.125 m 7.779 (0.81) 5.991 (1.05) 5.756 (1.09) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.005 m^2/s^2 0.068 m/s 0.137 m/s 7.637 (0.82) 5.053 (1.24) 4.800 (1.31) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.008 m^2/s^4 0.089 m/s^2 0.179 m/s^2 4.479 (1.40) 4.059 (1.55) 3.805 (1.65) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.898 SM 1.579 % 0.426 % -- -- --
Bridge deck: Abs. vert. motion 0.105 m^2 0.325 m 0.649 m 8.027 (0.78) 7.569 (0.83) 7.409 (0.85) s (rad/s)
Bridge deck: Rel. vert. motion 0.096 m^2 0.310 m 0.621 m 7.859 (0.80) 4.925 (1.28) 4.233 (1.48) s (rad/s)
Bridge deck: Abs. vert. velocity 0.076 m^2/s^2 0.275 m/s 0.550 m/s 7.923 (0.79) 6.895 (0.91) 6.691 (0.94) s (rad/s)
Bridge deck: Rel. vert. velocity 0.212 m^2/s^2 0.460 m/s 0.921 m/s 7.722 (0.81) 2.372 (2.65) 1.909 (3.29) s (rad/s)
Bridge deck: Abs. vert. accel 0.067 m^2/s^4 0.258 m/s^2 0.517 m/s^2 7.788 (0.81) 6.040 (1.04) 5.778 (1.09) s (rad/s)
Bridge deck: Rel. vert. accel 2.297 m^2/s^4 1.516 m/s^2 3.031 m/s^2 0.681 (9.23) 1.133 (5.55) 1.039 (6.04) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.001 m^2 0.036 m 0.072 m 7.889 (0.80) 6.696 (0.94) 6.453 (0.97) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.001 m^2/s^2 0.035 m/s 0.070 m/s 7.747 (0.81) 5.683 (1.11) 5.387 (1.17) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.002 m^2/s^4 0.041 m/s^2 0.081 m/s^2 7.601 (0.83) 4.510 (1.39) 4.201 (1.50) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.013 m^2 0.114 m 0.228 m 7.779 (0.81) 5.991 (1.05) 5.756 (1.09) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.016 m^2/s^2 0.125 m/s 0.249 m/s 7.637 (0.82) 5.053 (1.24) 4.800 (1.31) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.027 m^2/s^4 0.163 m/s^2 0.326 m/s^2 4.479 (1.40) 4.059 (1.55) 3.805 (1.65) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.898 SM 1.579 % 0.426 % -- -- --

Design Speed, 17 kn; 2.301 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.956 s -- -- -- -- --
Characteristic wave height 0.300 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 2.301 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.006 m^2 0.075 m 0.150 m 9.960 (0.63) 8.340 (0.75) 7.849 (0.80) s (rad/s)
Encountered wave spectrum 0.006 m^2 0.075 m 0.150 m 7.256 (0.87) 5.537 (1.13) 4.762 (1.32) s (rad/s)
Added resistance 0.239 kN -- -- 7.190 (0.87) 5.702 (1.10) 5.222 (1.20) s (rad/s)
Heave motion 0.004 m^2 0.063 m 0.126 m 7.280 (0.86) 6.708 (0.94) 6.536 (0.96) s (rad/s)
Roll motion 0.00001 rad^2 0.00294 rad 0.00588 rad 7.043 (0.89) 5.346 (1.18) 5.145 (1.22) s (rad/s)
Pitch motion 0.00000 rad^2 0.00112 rad 0.00225 rad 7.142 (0.88) 5.729 (1.10) 5.491 (1.14) s (rad/s)
Heave velocity 0.004 m^2/s^2 0.060 m/s 0.121 m/s 7.161 (0.88) 5.983 (1.05) 5.763 (1.09) s (rad/s)
Roll velocity 0.00001 (rad/s)^2 0.00359 rad/s 0.00718 rad/s 6.895 (0.91) 4.573 (1.37) 4.388 (1.43) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00128 rad/s 0.00257 rad/s 6.999 (0.90) 4.790 (1.31) 4.557 (1.38) s (rad/s)
Heave acceleration 0.004 m^2/s^4 0.066 m/s^2 0.132 m/s^2 7.021 (0.89) 5.071 (1.24) 4.803 (1.31) s (rad/s)
Roll acceleration 0.00003 (rad/s/s)^2 0.00514 rad/s/s 0.01028 rad/s/s 4.061 (1.55) 3.851 (1.63) 3.653 (1.72) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00177 rad/s/s 0.00354 rad/s/s 4.061 (1.55) 3.920 (1.60) 3.722 (1.69) s (rad/s)
passenger deck aft: Abs. vert. motion 0.005 m^2 0.070 m 0.140 m 7.272 (0.86) 6.630 (0.95) 6.448 (0.97) s (rad/s)
passenger deck aft: Rel. vert. motion 0.001 m^2 0.028 m 0.056 m 3.351 (1.88) 2.809 (2.24) 2.443 (2.57) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.005 m^2/s^2 0.068 m/s 0.136 m/s 7.149 (0.88) 5.861 (1.07) 5.626 (1.12) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.005 m^2/s^2 0.072 m/s 0.143 m/s 2.740 (2.29) 1.508 (4.17) 1.272 (4.94) s (rad/s)
passenger deck aft: Abs. vert. accel 0.006 m^2/s^4 0.076 m/s^2 0.152 m/s^2 7.010 (0.90) 4.897 (1.28) 4.620 (1.36) s (rad/s)
passenger deck aft: Rel. vert. accel 0.125 m^2/s^4 0.354 m/s^2 0.708 m/s^2 0.511 (12.29) 0.834 (7.53) 0.774 (8.12) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.003 m 0.006 m 7.142 (0.88) 5.730 (1.10) 5.492 (1.14) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.004 m/s 0.007 m/s 6.995 (0.90) 4.790 (1.31) 4.557 (1.38) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.005 m/s^2 0.010 m/s^2 4.061 (1.55) 3.919 (1.60) 3.722 (1.69) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.008 m 0.016 m 7.043 (0.89) 5.352 (1.17) 5.151 (1.22) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.010 m/s 0.020 m/s 6.898 (0.91) 4.578 (1.37) 4.392 (1.43) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.014 m/s^2 0.029 m/s^2 4.061 (1.55) 3.853 (1.63) 3.655 (1.72) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.158 SM 0.024 % 0.001 % -- -- --
passenger deck forward: Abs. vert. motion 0.003 m^2 0.050 m 0.101 m 7.296 (0.86) 6.848 (0.92) 6.690 (0.94) s (rad/s)
passenger deck forward: Rel. vert. motion 0.003 m^2 0.052 m 0.104 m 7.111 (0.88) 4.443 (1.41) 3.785 (1.66) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.002 m^2/s^2 0.047 m/s 0.095 m/s 7.188 (0.87) 6.191 (1.01) 5.997 (1.05) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.008 m^2/s^2 0.087 m/s 0.173 m/s 6.969 (0.90) 1.983 (3.17) 1.543 (4.07) s (rad/s)
passenger deck forward: Abs. vert. accel 0.002 m^2/s^4 0.050 m/s^2 0.099 m/s^2 7.049 (0.89) 5.395 (1.16) 5.170 (1.22) s (rad/s)
passenger deck forward: Rel. vert. accel 0.125 m^2/s^4 0.353 m/s^2 0.706 m/s^2 0.511 (12.29) 0.862 (7.29) 0.790 (7.95) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.003 m 0.006 m 7.142 (0.88) 5.730 (1.10) 5.492 (1.14) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.004 m/s 0.007 m/s 6.995 (0.90) 4.790 (1.31) 4.557 (1.38) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.005 m/s^2 0.010 m/s^2 4.061 (1.55) 3.919 (1.60) 3.722 (1.69) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.008 m 0.016 m 7.043 (0.89) 5.352 (1.17) 5.151 (1.22) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.010 m/s 0.020 m/s 6.898 (0.91) 4.578 (1.37) 4.392 (1.43) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.014 m/s^2 0.029 m/s^2 4.061 (1.55) 3.853 (1.63) 3.655 (1.72) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.086 SM 0.004 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.003 m^2 0.050 m 0.101 m 7.296 (0.86) 6.848 (0.92) 6.690 (0.94) s (rad/s)
Bridge deck: Rel. vert. motion 0.003 m^2 0.052 m 0.104 m 7.111 (0.88) 4.443 (1.41) 3.785 (1.66) s (rad/s)
Bridge deck: Abs. vert. velocity 0.002 m^2/s^2 0.047 m/s 0.095 m/s 7.188 (0.87) 6.191 (1.01) 5.997 (1.05) s (rad/s)
Bridge deck: Rel. vert. velocity 0.008 m^2/s^2 0.087 m/s 0.173 m/s 6.969 (0.90) 1.983 (3.17) 1.543 (4.07) s (rad/s)
Bridge deck: Abs. vert. accel 0.002 m^2/s^4 0.050 m/s^2 0.099 m/s^2 7.049 (0.89) 5.395 (1.16) 5.170 (1.22) s (rad/s)
Bridge deck: Rel. vert. accel 0.125 m^2/s^4 0.353 m/s^2 0.706 m/s^2 0.511 (12.29) 0.862 (7.29) 0.790 (7.95) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.006 m 0.011 m 7.142 (0.88) 5.730 (1.10) 5.492 (1.14) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.007 m/s 0.013 m/s 6.995 (0.90) 4.790 (1.31) 4.557 (1.38) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.009 m/s^2 0.018 m/s^2 4.061 (1.55) 3.919 (1.60) 3.722 (1.69) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.015 m 0.030 m 7.043 (0.89) 5.352 (1.17) 5.151 (1.22) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.018 m/s 0.037 m/s 6.898 (0.91) 4.578 (1.37) 4.392 (1.43) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.001 m^2/s^4 0.026 m/s^2 0.052 m/s^2 4.061 (1.55) 3.853 (1.63) 3.655 (1.72) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.086 SM 0.004 % 0.000 % -- -- --

Design Speed, 17 kn; 2.301 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 2.301 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 7.273 (0.86) 5.551 (1.13) 4.775 (1.32) s (rad/s)
Added resistance 0.956 kN -- -- 7.208 (0.87) 5.712 (1.10) 5.231 (1.20) s (rad/s)
Heave motion 0.016 m^2 0.126 m 0.252 m 7.296 (0.86) 6.721 (0.93) 6.548 (0.96) s (rad/s)
Roll motion 0.00003 rad^2 0.00587 rad 0.01173 rad 7.061 (0.89) 5.351 (1.17) 5.149 (1.22) s (rad/s)
Pitch motion 0.00001 rad^2 0.00224 rad 0.00449 rad 7.158 (0.88) 5.737 (1.10) 5.498 (1.14) s (rad/s)
Heave velocity 0.015 m^2/s^2 0.121 m/s 0.241 m/s 7.179 (0.88) 5.992 (1.05) 5.770 (1.09) s (rad/s)
Roll velocity 0.00005 (rad/s)^2 0.00716 rad/s 0.01432 rad/s 6.910 (0.91) 4.575 (1.37) 4.390 (1.43) s (rad/s)
Pitch velocity 0.00001 (rad/s)^2 0.00256 rad/s 0.00513 rad/s 7.017 (0.90) 4.793 (1.31) 4.560 (1.38) s (rad/s)
Heave acceleration 0.017 m^2/s^4 0.131 m/s^2 0.263 m/s^2 7.039 (0.89) 5.076 (1.24) 4.806 (1.31) s (rad/s)
Roll acceleration 0.00011 (rad/s/s)^2 0.01025 rad/s/s 0.02049 rad/s/s 4.072 (1.54) 3.852 (1.63) 3.654 (1.72) s (rad/s)
Pitch acceleration 0.00001 (rad/s/s)^2 0.00353 rad/s/s 0.00706 rad/s/s 4.072 (1.54) 3.921 (1.60) 3.723 (1.69) s (rad/s)
passenger deck aft: Abs. vert. motion 0.020 m^2 0.140 m 0.279 m 7.290 (0.86) 6.643 (0.95) 6.460 (0.97) s (rad/s)
passenger deck aft: Rel. vert. motion 0.003 m^2 0.056 m 0.111 m 3.325 (1.89) 2.811 (2.24) 2.445 (2.57) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.018 m^2/s^2 0.136 m/s 0.272 m/s 7.168 (0.88) 5.870 (1.07) 5.633 (1.12) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.020 m^2/s^2 0.143 m/s 0.286 m/s 2.747 (2.29) 1.511 (4.16) 1.275 (4.93) s (rad/s)
passenger deck aft: Abs. vert. accel 0.023 m^2/s^4 0.151 m/s^2 0.303 m/s^2 7.026 (0.89) 4.901 (1.28) 4.623 (1.36) s (rad/s)
passenger deck aft: Rel. vert. accel 0.495 m^2/s^4 0.704 m/s^2 1.407 m/s^2 0.511 (12.30) 0.837 (7.51) 0.776 (8.09) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.006 m 0.013 m 7.160 (0.88) 5.738 (1.10) 5.499 (1.14) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.007 m/s 0.014 m/s 7.013 (0.90) 4.794 (1.31) 4.560 (1.38) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.010 m/s^2 0.020 m/s^2 4.072 (1.54) 3.920 (1.60) 3.723 (1.69) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.016 m 0.033 m 7.061 (0.89) 5.357 (1.17) 5.155 (1.22) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.020 m/s 0.040 m/s 6.914 (0.91) 4.579 (1.37) 4.394 (1.43) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.001 m^2/s^4 0.029 m/s^2 0.057 m/s^2 4.072 (1.54) 3.854 (1.63) 3.656 (1.72) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.425 SM 0.309 % 0.043 % -- -- --
passenger deck forward: Abs. vert. motion 0.010 m^2 0.101 m 0.202 m 7.314 (0.86) 6.861 (0.92) 6.703 (0.94) s (rad/s)
passenger deck forward: Rel. vert. motion 0.011 m^2 0.104 m 0.208 m 7.129 (0.88) 4.451 (1.41) 3.791 (1.66) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.009 m^2/s^2 0.095 m/s 0.189 m/s 7.204 (0.87) 6.201 (1.01) 6.005 (1.05) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.030 m^2/s^2 0.173 m/s 0.345 m/s 6.987 (0.90) 1.987 (3.16) 1.547 (4.06) s (rad/s)
passenger deck forward: Abs. vert. accel 0.010 m^2/s^4 0.099 m/s^2 0.198 m/s^2 7.067 (0.89) 5.400 (1.16) 5.174 (1.21) s (rad/s)
passenger deck forward: Rel. vert. accel 0.492 m^2/s^4 0.701 m/s^2 1.403 m/s^2 0.511 (12.30) 0.865 (7.26) 0.793 (7.92) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.006 m 0.013 m 7.160 (0.88) 5.738 (1.10) 5.499 (1.14) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.007 m/s 0.014 m/s 7.013 (0.90) 4.794 (1.31) 4.560 (1.38) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.010 m/s^2 0.020 m/s^2 4.072 (1.54) 3.920 (1.60) 3.723 (1.69) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.016 m 0.033 m 7.061 (0.89) 5.357 (1.17) 5.155 (1.22) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.020 m/s 0.040 m/s 6.914 (0.91) 4.579 (1.37) 4.394 (1.43) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.001 m^2/s^4 0.029 m/s^2 0.057 m/s^2 4.072 (1.54) 3.854 (1.63) 3.656 (1.72) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.231 SM 0.071 % 0.005 % -- -- --
Bridge deck: Abs. vert. motion 0.010 m^2 0.101 m 0.202 m 7.314 (0.86) 6.861 (0.92) 6.703 (0.94) s (rad/s)
Bridge deck: Rel. vert. motion 0.011 m^2 0.104 m 0.208 m 7.129 (0.88) 4.451 (1.41) 3.791 (1.66) s (rad/s)
Bridge deck: Abs. vert. velocity 0.009 m^2/s^2 0.095 m/s 0.189 m/s 7.204 (0.87) 6.201 (1.01) 6.005 (1.05) s (rad/s)
Bridge deck: Rel. vert. velocity 0.030 m^2/s^2 0.173 m/s 0.345 m/s 6.987 (0.90) 1.987 (3.16) 1.547 (4.06) s (rad/s)
Bridge deck: Abs. vert. accel 0.010 m^2/s^4 0.099 m/s^2 0.198 m/s^2 7.067 (0.89) 5.400 (1.16) 5.174 (1.21) s (rad/s)
Bridge deck: Rel. vert. accel 0.492 m^2/s^4 0.701 m/s^2 1.403 m/s^2 0.511 (12.30) 0.865 (7.26) 0.793 (7.92) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.011 m 0.023 m 7.160 (0.88) 5.738 (1.10) 5.499 (1.14) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.013 m/s 0.026 m/s 7.013 (0.90) 4.794 (1.31) 4.560 (1.38) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.018 m/s^2 0.036 m/s^2 4.072 (1.54) 3.920 (1.60) 3.723 (1.69) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.001 m^2 0.030 m 0.060 m 7.061 (0.89) 5.357 (1.17) 5.155 (1.22) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.001 m^2/s^2 0.036 m/s 0.073 m/s 6.914 (0.91) 4.579 (1.37) 4.394 (1.43) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.003 m^2/s^4 0.052 m/s^2 0.104 m/s^2 4.072 (1.54) 3.854 (1.63) 3.656 (1.72) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.231 SM 0.071 % 0.005 % -- -- --

Design Speed, 17 kn; 2.301 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.965 s -- -- -- -- --
Characteristic wave height 1.200 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 2.301 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.090 m^2 0.300 m 0.601 m 9.969 (0.63) 8.348 (0.75) 7.856 (0.80) s (rad/s)
Encountered wave spectrum 0.090 m^2 0.300 m 0.601 m 7.265 (0.86) 5.543 (1.13) 4.768 (1.32) s (rad/s)
Added resistance 3.826 kN -- -- 7.198 (0.87) 5.707 (1.10) 5.226 (1.20) s (rad/s)
Heave motion 0.063 m^2 0.251 m 0.503 m 7.288 (0.86) 6.714 (0.94) 6.542 (0.96) s (rad/s)
Roll motion 0.00014 rad^2 0.01175 rad 0.02350 rad 7.052 (0.89) 5.348 (1.17) 5.147 (1.22) s (rad/s)
Pitch motion 0.00002 rad^2 0.00449 rad 0.00898 rad 7.150 (0.88) 5.733 (1.10) 5.495 (1.14) s (rad/s)
Heave velocity 0.058 m^2/s^2 0.241 m/s 0.483 m/s 7.169 (0.88) 5.988 (1.05) 5.766 (1.09) s (rad/s)
Roll velocity 0.00021 (rad/s)^2 0.01434 rad/s 0.02868 rad/s 6.901 (0.91) 4.574 (1.37) 4.389 (1.43) s (rad/s)
Pitch velocity 0.00003 (rad/s)^2 0.00513 rad/s 0.01027 rad/s 7.007 (0.90) 4.791 (1.31) 4.558 (1.38) s (rad/s)
Heave acceleration 0.069 m^2/s^4 0.263 m/s^2 0.526 m/s^2 7.029 (0.89) 5.074 (1.24) 4.804 (1.31) s (rad/s)
Roll acceleration 0.00042 (rad/s/s)^2 0.02053 rad/s/s 0.04106 rad/s/s 4.067 (1.55) 3.851 (1.63) 3.654 (1.72) s (rad/s)
Pitch acceleration 0.00005 (rad/s/s)^2 0.00707 rad/s/s 0.01415 rad/s/s 4.067 (1.55) 3.920 (1.60) 3.723 (1.69) s (rad/s)
passenger deck aft: Abs. vert. motion 0.078 m^2 0.279 m 0.558 m 7.280 (0.86) 6.636 (0.95) 6.454 (0.97) s (rad/s)
passenger deck aft: Rel. vert. motion 0.012 m^2 0.111 m 0.223 m 3.320 (1.89) 2.810 (2.24) 2.444 (2.57) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.074 m^2/s^2 0.272 m/s 0.543 m/s 7.158 (0.88) 5.865 (1.07) 5.629 (1.12) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.082 m^2/s^2 0.286 m/s 0.572 m/s 2.743 (2.29) 1.509 (4.16) 1.273 (4.94) s (rad/s)
passenger deck aft: Abs. vert. accel 0.092 m^2/s^4 0.303 m/s^2 0.606 m/s^2 7.016 (0.90) 4.899 (1.28) 4.621 (1.36) s (rad/s)
passenger deck aft: Rel. vert. accel 1.994 m^2/s^4 1.412 m/s^2 2.824 m/s^2 0.512 (12.27) 0.836 (7.52) 0.775 (8.11) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.013 m 0.025 m 7.150 (0.88) 5.734 (1.10) 5.495 (1.14) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.014 m/s 0.029 m/s 7.003 (0.90) 4.792 (1.31) 4.559 (1.38) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.020 m/s^2 0.039 m/s^2 4.067 (1.55) 3.920 (1.60) 3.722 (1.69) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.001 m^2 0.033 m 0.066 m 7.052 (0.89) 5.354 (1.17) 5.153 (1.22) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.002 m^2/s^2 0.040 m/s 0.080 m/s 6.904 (0.91) 4.578 (1.37) 4.393 (1.43) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.003 m^2/s^4 0.057 m/s^2 0.115 m/s^2 4.067 (1.55) 3.854 (1.63) 3.655 (1.72) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 1.146 SM 2.360 % 0.738 % -- -- --
passenger deck forward: Abs. vert. motion 0.041 m^2 0.202 m 0.404 m 7.304 (0.86) 6.854 (0.92) 6.696 (0.94) s (rad/s)
passenger deck forward: Rel. vert. motion 0.044 m^2 0.209 m 0.417 m 7.120 (0.88) 4.447 (1.41) 3.788 (1.66) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.036 m^2/s^2 0.189 m/s 0.379 m/s 7.196 (0.87) 6.195 (1.01) 6.001 (1.05) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.120 m^2/s^2 0.346 m/s 0.692 m/s 6.977 (0.90) 1.985 (3.17) 1.545 (4.07) s (rad/s)
passenger deck forward: Abs. vert. accel 0.039 m^2/s^4 0.198 m/s^2 0.396 m/s^2 7.057 (0.89) 5.397 (1.16) 5.172 (1.21) s (rad/s)
passenger deck forward: Rel. vert. accel 1.981 m^2/s^4 1.407 m/s^2 2.815 m/s^2 0.512 (12.27) 0.863 (7.28) 0.792 (7.94) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.013 m 0.025 m 7.150 (0.88) 5.734 (1.10) 5.495 (1.14) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.014 m/s 0.029 m/s 7.003 (0.90) 4.792 (1.31) 4.559 (1.38) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.020 m/s^2 0.039 m/s^2 4.067 (1.55) 3.920 (1.60) 3.722 (1.69) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.001 m^2 0.033 m 0.066 m 7.052 (0.89) 5.354 (1.17) 5.153 (1.22) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.002 m^2/s^2 0.040 m/s 0.080 m/s 6.904 (0.91) 4.578 (1.37) 4.393 (1.43) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.003 m^2/s^4 0.057 m/s^2 0.115 m/s^2 4.067 (1.55) 3.854 (1.63) 3.655 (1.72) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.624 SM 0.743 % 0.149 % -- -- --
Bridge deck: Abs. vert. motion 0.041 m^2 0.202 m 0.404 m 7.304 (0.86) 6.854 (0.92) 6.696 (0.94) s (rad/s)
Bridge deck: Rel. vert. motion 0.044 m^2 0.209 m 0.417 m 7.120 (0.88) 4.447 (1.41) 3.788 (1.66) s (rad/s)
Bridge deck: Abs. vert. velocity 0.036 m^2/s^2 0.189 m/s 0.379 m/s 7.196 (0.87) 6.195 (1.01) 6.001 (1.05) s (rad/s)
Bridge deck: Rel. vert. velocity 0.120 m^2/s^2 0.346 m/s 0.692 m/s 6.977 (0.90) 1.985 (3.17) 1.545 (4.07) s (rad/s)
Bridge deck: Abs. vert. accel 0.039 m^2/s^4 0.198 m/s^2 0.396 m/s^2 7.057 (0.89) 5.397 (1.16) 5.172 (1.21) s (rad/s)
Bridge deck: Rel. vert. accel 1.981 m^2/s^4 1.407 m/s^2 2.815 m/s^2 0.512 (12.27) 0.863 (7.28) 0.792 (7.94) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.001 m^2 0.023 m 0.046 m 7.150 (0.88) 5.734 (1.10) 5.495 (1.14) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.001 m^2/s^2 0.026 m/s 0.052 m/s 7.003 (0.90) 4.792 (1.31) 4.559 (1.38) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.001 m^2/s^4 0.036 m/s^2 0.072 m/s^2 4.067 (1.55) 3.920 (1.60) 3.722 (1.69) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.004 m^2 0.060 m 0.120 m 7.052 (0.89) 5.354 (1.17) 5.153 (1.22) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.005 m^2/s^2 0.073 m/s 0.146 m/s 6.904 (0.91) 4.578 (1.37) 4.393 (1.43) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.011 m^2/s^4 0.104 m/s^2 0.209 m/s^2 4.067 (1.55) 3.854 (1.63) 3.655 (1.72) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.624 SM 0.743 % 0.149 % -- -- --

Design Speed, 17 kn; 2.301 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 2.000 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 2.301 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.251 m^2 0.501 m 1.001 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.251 m^2 0.501 m 1.001 m 7.273 (0.86) 5.551 (1.13) 4.775 (1.32) s (rad/s)
Added resistance 10.620 kN -- -- 7.208 (0.87) 5.712 (1.10) 5.231 (1.20) s (rad/s)
Heave motion 0.176 m^2 0.419 m 0.839 m 7.296 (0.86) 6.721 (0.93) 6.548 (0.96) s (rad/s)
Roll motion 0.00038 rad^2 0.01956 rad 0.03912 rad 7.061 (0.89) 5.351 (1.17) 5.149 (1.22) s (rad/s)
Pitch motion 0.00006 rad^2 0.00748 rad 0.01495 rad 7.158 (0.88) 5.737 (1.10) 5.498 (1.14) s (rad/s)
Heave velocity 0.162 m^2/s^2 0.402 m/s 0.805 m/s 7.179 (0.88) 5.992 (1.05) 5.770 (1.09) s (rad/s)
Roll velocity 0.00057 (rad/s)^2 0.02386 rad/s 0.04773 rad/s 6.910 (0.91) 4.575 (1.37) 4.390 (1.43) s (rad/s)
Pitch velocity 0.00007 (rad/s)^2 0.00854 rad/s 0.01709 rad/s 7.017 (0.90) 4.793 (1.31) 4.560 (1.38) s (rad/s)
Heave acceleration 0.192 m^2/s^4 0.438 m/s^2 0.876 m/s^2 7.039 (0.89) 5.076 (1.24) 4.806 (1.31) s (rad/s)
Roll acceleration 0.00117 (rad/s/s)^2 0.03416 rad/s/s 0.06832 rad/s/s 4.072 (1.54) 3.852 (1.63) 3.654 (1.72) s (rad/s)
Pitch acceleration 0.00014 (rad/s/s)^2 0.01177 rad/s/s 0.02354 rad/s/s 4.072 (1.54) 3.921 (1.60) 3.723 (1.69) s (rad/s)
passenger deck aft: Abs. vert. motion 0.217 m^2 0.466 m 0.931 m 7.290 (0.86) 6.643 (0.95) 6.460 (0.97) s (rad/s)
passenger deck aft: Rel. vert. motion 0.034 m^2 0.185 m 0.370 m 3.325 (1.89) 2.811 (2.24) 2.445 (2.57) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.205 m^2/s^2 0.453 m/s 0.905 m/s 7.168 (0.88) 5.870 (1.07) 5.633 (1.12) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.226 m^2/s^2 0.476 m/s 0.952 m/s 2.747 (2.29) 1.511 (4.16) 1.275 (4.93) s (rad/s)
passenger deck aft: Abs. vert. accel 0.255 m^2/s^4 0.505 m/s^2 1.009 m/s^2 7.026 (0.89) 4.901 (1.28) 4.623 (1.36) s (rad/s)
passenger deck aft: Rel. vert. accel 5.501 m^2/s^4 2.345 m/s^2 4.691 m/s^2 0.511 (12.30) 0.837 (7.51) 0.776 (8.09) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.021 m 0.042 m 7.160 (0.88) 5.738 (1.10) 5.499 (1.14) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.001 m^2/s^2 0.024 m/s 0.048 m/s 7.013 (0.90) 4.794 (1.31) 4.560 (1.38) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.001 m^2/s^4 0.033 m/s^2 0.066 m/s^2 4.072 (1.54) 3.920 (1.60) 3.723 (1.69) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.003 m^2 0.055 m 0.109 m 7.061 (0.89) 5.357 (1.17) 5.155 (1.22) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.004 m^2/s^2 0.067 m/s 0.133 m/s 6.914 (0.91) 4.579 (1.37) 4.394 (1.43) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.009 m^2/s^4 0.095 m/s^2 0.191 m/s^2 4.072 (1.54) 3.854 (1.63) 3.656 (1.72) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 2.376 SM 7.619 % 3.643 % -- -- --
passenger deck forward: Abs. vert. motion 0.113 m^2 0.337 m 0.673 m 7.314 (0.86) 6.861 (0.92) 6.703 (0.94) s (rad/s)
passenger deck forward: Rel. vert. motion 0.121 m^2 0.347 m 0.695 m 7.129 (0.88) 4.451 (1.41) 3.791 (1.66) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.099 m^2/s^2 0.315 m/s 0.631 m/s 7.204 (0.87) 6.201 (1.01) 6.005 (1.05) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.331 m^2/s^2 0.576 m/s 1.151 m/s 6.987 (0.90) 1.987 (3.16) 1.547 (4.06) s (rad/s)
passenger deck forward: Abs. vert. accel 0.109 m^2/s^4 0.330 m/s^2 0.660 m/s^2 7.067 (0.89) 5.400 (1.16) 5.174 (1.21) s (rad/s)
passenger deck forward: Rel. vert. accel 5.466 m^2/s^4 2.338 m/s^2 4.676 m/s^2 0.511 (12.30) 0.865 (7.26) 0.793 (7.92) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.021 m 0.042 m 7.160 (0.88) 5.738 (1.10) 5.499 (1.14) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.001 m^2/s^2 0.024 m/s 0.048 m/s 7.013 (0.90) 4.794 (1.31) 4.560 (1.38) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.001 m^2/s^4 0.033 m/s^2 0.066 m/s^2 4.072 (1.54) 3.920 (1.60) 3.723 (1.69) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.003 m^2 0.055 m 0.109 m 7.061 (0.89) 5.357 (1.17) 5.155 (1.22) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.004 m^2/s^2 0.067 m/s 0.133 m/s 6.914 (0.91) 4.579 (1.37) 4.394 (1.43) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.009 m^2/s^4 0.095 m/s^2 0.191 m/s^2 4.072 (1.54) 3.854 (1.63) 3.656 (1.72) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 1.294 SM 2.991 % 1.029 % -- -- --
Bridge deck: Abs. vert. motion 0.113 m^2 0.337 m 0.673 m 7.314 (0.86) 6.861 (0.92) 6.703 (0.94) s (rad/s)
Bridge deck: Rel. vert. motion 0.121 m^2 0.347 m 0.695 m 7.129 (0.88) 4.451 (1.41) 3.791 (1.66) s (rad/s)
Bridge deck: Abs. vert. velocity 0.099 m^2/s^2 0.315 m/s 0.631 m/s 7.204 (0.87) 6.201 (1.01) 6.005 (1.05) s (rad/s)
Bridge deck: Rel. vert. velocity 0.331 m^2/s^2 0.576 m/s 1.151 m/s 6.987 (0.90) 1.987 (3.16) 1.547 (4.06) s (rad/s)
Bridge deck: Abs. vert. accel 0.109 m^2/s^4 0.330 m/s^2 0.660 m/s^2 7.067 (0.89) 5.400 (1.16) 5.174 (1.21) s (rad/s)
Bridge deck: Rel. vert. accel 5.466 m^2/s^4 2.338 m/s^2 4.676 m/s^2 0.511 (12.30) 0.865 (7.26) 0.793 (7.92) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.001 m^2 0.038 m 0.076 m 7.160 (0.88) 5.738 (1.10) 5.499 (1.14) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.002 m^2/s^2 0.043 m/s 0.087 m/s 7.013 (0.90) 4.794 (1.31) 4.560 (1.38) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.004 m^2/s^4 0.060 m/s^2 0.120 m/s^2 4.072 (1.54) 3.920 (1.60) 3.723 (1.69) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.010 m^2 0.100 m 0.199 m 7.061 (0.89) 5.357 (1.17) 5.155 (1.22) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.015 m^2/s^2 0.122 m/s 0.243 m/s 6.914 (0.91) 4.579 (1.37) 4.394 (1.43) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.030 m^2/s^4 0.174 m/s^2 0.348 m/s^2 4.072 (1.54) 3.854 (1.63) 3.656 (1.72) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 1.294 SM 2.991 % 1.029 % -- -- --

Design Speed, 17 kn; 2.92 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.956 s -- -- -- -- --
Characteristic wave height 0.300 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 2.920 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.006 m^2 0.075 m 0.150 m 9.960 (0.63) 8.340 (0.75) 7.849 (0.80) s (rad/s)
Encountered wave spectrum 0.006 m^2 0.075 m 0.150 m 6.445 (0.97) 4.791 (1.31) 4.004 (1.57) s (rad/s)
Added resistance 0.235 kN -- -- 6.390 (0.98) 5.160 (1.22) 4.779 (1.31) s (rad/s)
Heave motion 0.004 m^2 0.064 m 0.129 m 6.469 (0.97) 5.921 (1.06) 5.754 (1.09) s (rad/s)
Roll motion 0.00000 rad^2 0.00091 rad 0.00182 rad 6.234 (1.01) 4.728 (1.33) 4.558 (1.38) s (rad/s)
Pitch motion 0.00000 rad^2 0.00133 rad 0.00266 rad 6.301 (1.00) 4.893 (1.28) 4.683 (1.34) s (rad/s)
Heave velocity 0.005 m^2/s^2 0.070 m/s 0.141 m/s 6.352 (0.99) 5.223 (1.20) 5.018 (1.25) s (rad/s)
Roll velocity 0.00000 (rad/s)^2 0.00126 rad/s 0.00251 rad/s 3.754 (1.67) 4.088 (1.54) 3.945 (1.59) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00178 rad/s 0.00357 rad/s 6.155 (1.02) 4.086 (1.54) 3.904 (1.61) s (rad/s)
Heave acceleration 0.008 m^2/s^4 0.088 m/s^2 0.176 m/s^2 6.209 (1.01) 4.401 (1.43) 4.184 (1.50) s (rad/s)
Roll acceleration 0.00000 (rad/s/s)^2 0.00200 rad/s/s 0.00400 rad/s/s 3.515 (1.79) 3.535 (1.78) 3.375 (1.86) s (rad/s)
Pitch acceleration 0.00001 (rad/s/s)^2 0.00287 rad/s/s 0.00574 rad/s/s 3.341 (1.88) 3.424 (1.84) 3.290 (1.91) s (rad/s)
passenger deck aft: Abs. vert. motion 0.005 m^2 0.072 m 0.143 m 6.460 (0.97) 5.816 (1.08) 5.635 (1.11) s (rad/s)
passenger deck aft: Rel. vert. motion 0.001 m^2 0.030 m 0.061 m 6.173 (1.02) 2.478 (2.54) 2.104 (2.99) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.006 m^2/s^2 0.080 m/s 0.160 m/s 6.337 (0.99) 5.063 (1.24) 4.844 (1.30) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.008 m^2/s^2 0.090 m/s 0.181 m/s 2.531 (2.48) 1.186 (5.30) 0.977 (6.43) s (rad/s)
passenger deck aft: Abs. vert. accel 0.011 m^2/s^4 0.104 m/s^2 0.207 m/s^2 6.193 (1.01) 4.201 (1.50) 3.986 (1.58) s (rad/s)
passenger deck aft: Rel. vert. accel 0.338 m^2/s^4 0.581 m/s^2 1.163 m/s^2 0.393 (15.97) 0.620 (10.14) 0.576 (10.91) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.004 m 0.007 m 6.301 (1.00) 4.895 (1.28) 4.685 (1.34) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.010 m/s 6.154 (1.02) 4.088 (1.54) 3.906 (1.61) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.008 m/s^2 0.016 m/s^2 3.341 (1.88) 3.425 (1.83) 3.291 (1.91) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.003 m 0.005 m 6.228 (1.01) 4.732 (1.33) 4.563 (1.38) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.004 m/s 0.007 m/s 6.079 (1.03) 4.092 (1.54) 3.948 (1.59) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.006 m/s^2 0.011 m/s^2 3.515 (1.79) 3.537 (1.78) 3.377 (1.86) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.240 SM 0.066 % 0.005 % -- -- --
passenger deck forward: Abs. vert. motion 0.003 m^2 0.052 m 0.104 m 6.484 (0.97) 6.096 (1.03) 5.951 (1.06) s (rad/s)
passenger deck forward: Rel. vert. motion 0.004 m^2 0.062 m 0.124 m 6.285 (1.00) 4.048 (1.55) 3.430 (1.83) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.003 m^2/s^2 0.055 m/s 0.110 m/s 6.377 (0.99) 5.499 (1.14) 5.327 (1.18) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.013 m^2/s^2 0.113 m/s 0.227 m/s 6.142 (1.02) 1.663 (3.78) 1.238 (5.08) s (rad/s)
passenger deck forward: Abs. vert. accel 0.004 m^2/s^4 0.065 m/s^2 0.130 m/s^2 6.239 (1.01) 4.802 (1.31) 4.612 (1.36) s (rad/s)
passenger deck forward: Rel. vert. accel 0.330 m^2/s^4 0.575 m/s^2 1.150 m/s^2 0.393 (15.97) 0.642 (9.79) 0.589 (10.67) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.004 m 0.007 m 6.301 (1.00) 4.895 (1.28) 4.685 (1.34) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.010 m/s 6.154 (1.02) 4.088 (1.54) 3.906 (1.61) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.008 m/s^2 0.016 m/s^2 3.341 (1.88) 3.425 (1.83) 3.291 (1.91) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.003 m 0.005 m 6.228 (1.01) 4.732 (1.33) 4.563 (1.38) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.004 m/s 0.007 m/s 6.079 (1.03) 4.092 (1.54) 3.948 (1.59) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.006 m/s^2 0.011 m/s^2 3.515 (1.79) 3.537 (1.78) 3.377 (1.86) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.126 SM 0.012 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.003 m^2 0.052 m 0.104 m 6.484 (0.97) 6.096 (1.03) 5.951 (1.06) s (rad/s)
Bridge deck: Rel. vert. motion 0.004 m^2 0.062 m 0.124 m 6.285 (1.00) 4.048 (1.55) 3.430 (1.83) s (rad/s)
Bridge deck: Abs. vert. velocity 0.003 m^2/s^2 0.055 m/s 0.110 m/s 6.377 (0.99) 5.499 (1.14) 5.327 (1.18) s (rad/s)
Bridge deck: Rel. vert. velocity 0.013 m^2/s^2 0.113 m/s 0.227 m/s 6.142 (1.02) 1.663 (3.78) 1.238 (5.08) s (rad/s)
Bridge deck: Abs. vert. accel 0.004 m^2/s^4 0.065 m/s^2 0.130 m/s^2 6.239 (1.01) 4.802 (1.31) 4.612 (1.36) s (rad/s)
Bridge deck: Rel. vert. accel 0.330 m^2/s^4 0.575 m/s^2 1.150 m/s^2 0.393 (15.97) 0.642 (9.79) 0.589 (10.67) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.007 m 0.014 m 6.301 (1.00) 4.895 (1.28) 4.685 (1.34) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.009 m/s 0.018 m/s 6.154 (1.02) 4.088 (1.54) 3.906 (1.61) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.015 m/s^2 0.029 m/s^2 3.341 (1.88) 3.425 (1.83) 3.291 (1.91) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.005 m 0.009 m 6.228 (1.01) 4.732 (1.33) 4.563 (1.38) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.006 m/s 0.013 m/s 6.079 (1.03) 4.092 (1.54) 3.948 (1.59) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.010 m/s^2 0.020 m/s^2 3.515 (1.79) 3.537 (1.78) 3.377 (1.86) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.126 SM 0.012 % 0.000 % -- -- --

Design Speed, 17 kn; 2.92 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 2.920 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 6.463 (0.97) 4.805 (1.31) 4.015 (1.56) s (rad/s)
Added resistance 0.940 kN -- -- 6.405 (0.98) 5.170 (1.22) 4.787 (1.31) s (rad/s)
Heave motion 0.017 m^2 0.129 m 0.258 m 6.485 (0.97) 5.933 (1.06) 5.765 (1.09) s (rad/s)
Roll motion 0.00000 rad^2 0.00182 rad 0.00364 rad 6.251 (1.01) 4.732 (1.33) 4.562 (1.38) s (rad/s)
Pitch motion 0.00001 rad^2 0.00266 rad 0.00531 rad 6.318 (0.99) 4.899 (1.28) 4.688 (1.34) s (rad/s)
Heave velocity 0.020 m^2/s^2 0.140 m/s 0.281 m/s 6.367 (0.99) 5.231 (1.20) 5.025 (1.25) s (rad/s)
Roll velocity 0.00001 (rad/s)^2 0.00250 rad/s 0.00501 rad/s 3.765 (1.67) 4.089 (1.54) 3.946 (1.59) s (rad/s)
Pitch velocity 0.00001 (rad/s)^2 0.00356 rad/s 0.00712 rad/s 6.170 (1.02) 4.088 (1.54) 3.906 (1.61) s (rad/s)
Heave acceleration 0.031 m^2/s^4 0.176 m/s^2 0.351 m/s^2 6.226 (1.01) 4.404 (1.43) 4.187 (1.50) s (rad/s)
Roll acceleration 0.00002 (rad/s/s)^2 0.00399 rad/s/s 0.00797 rad/s/s 3.526 (1.78) 3.535 (1.78) 3.375 (1.86) s (rad/s)
Pitch acceleration 0.00003 (rad/s/s)^2 0.00572 rad/s/s 0.01145 rad/s/s 3.351 (1.88) 3.424 (1.83) 3.290 (1.91) s (rad/s)
passenger deck aft: Abs. vert. motion 0.021 m^2 0.144 m 0.287 m 6.478 (0.97) 5.828 (1.08) 5.646 (1.11) s (rad/s)
passenger deck aft: Rel. vert. motion 0.004 m^2 0.060 m 0.121 m 6.188 (1.02) 2.479 (2.53) 2.106 (2.98) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.025 m^2/s^2 0.160 m/s 0.319 m/s 6.354 (0.99) 5.070 (1.24) 4.850 (1.30) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.032 m^2/s^2 0.180 m/s 0.360 m/s 2.538 (2.48) 1.189 (5.28) 0.980 (6.41) s (rad/s)
passenger deck aft: Abs. vert. accel 0.043 m^2/s^4 0.207 m/s^2 0.414 m/s^2 6.210 (1.01) 4.204 (1.49) 3.988 (1.58) s (rad/s)
passenger deck aft: Rel. vert. accel 1.334 m^2/s^4 1.155 m/s^2 2.310 m/s^2 0.393 (15.98) 0.622 (10.10) 0.578 (10.87) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.007 m 0.015 m 6.316 (0.99) 4.901 (1.28) 4.690 (1.34) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.010 m/s 0.020 m/s 6.170 (1.02) 4.090 (1.54) 3.907 (1.61) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.016 m/s^2 0.032 m/s^2 3.351 (1.88) 3.425 (1.83) 3.291 (1.91) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.005 m 0.010 m 6.244 (1.01) 4.737 (1.33) 4.566 (1.38) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.007 m/s 0.014 m/s 3.765 (1.67) 4.093 (1.54) 3.949 (1.59) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.011 m/s^2 0.022 m/s^2 3.526 (1.78) 3.537 (1.78) 3.377 (1.86) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.645 SM 0.694 % 0.129 % -- -- --
passenger deck forward: Abs. vert. motion 0.011 m^2 0.105 m 0.209 m 6.496 (0.97) 6.108 (1.03) 5.963 (1.05) s (rad/s)
passenger deck forward: Rel. vert. motion 0.015 m^2 0.123 m 0.247 m 6.302 (1.00) 4.054 (1.55) 3.435 (1.83) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.012 m^2/s^2 0.110 m/s 0.220 m/s 6.394 (0.98) 5.508 (1.14) 5.335 (1.18) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.051 m^2/s^2 0.226 m/s 0.451 m/s 6.157 (1.02) 1.667 (3.77) 1.241 (5.06) s (rad/s)
passenger deck forward: Abs. vert. accel 0.017 m^2/s^4 0.130 m/s^2 0.259 m/s^2 6.254 (1.00) 4.807 (1.31) 4.616 (1.36) s (rad/s)
passenger deck forward: Rel. vert. accel 1.305 m^2/s^4 1.142 m/s^2 2.285 m/s^2 0.395 (15.92) 0.644 (9.75) 0.591 (10.63) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.007 m 0.015 m 6.316 (0.99) 4.901 (1.28) 4.690 (1.34) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.010 m/s 0.020 m/s 6.170 (1.02) 4.090 (1.54) 3.907 (1.61) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.016 m/s^2 0.032 m/s^2 3.351 (1.88) 3.425 (1.83) 3.291 (1.91) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.005 m 0.010 m 6.244 (1.01) 4.737 (1.33) 4.566 (1.38) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.007 m/s 0.014 m/s 3.765 (1.67) 4.093 (1.54) 3.949 (1.59) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.011 m/s^2 0.022 m/s^2 3.526 (1.78) 3.537 (1.78) 3.377 (1.86) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.338 SM 0.173 % 0.019 % -- -- --
Bridge deck: Abs. vert. motion 0.011 m^2 0.105 m 0.209 m 6.496 (0.97) 6.108 (1.03) 5.963 (1.05) s (rad/s)
Bridge deck: Rel. vert. motion 0.015 m^2 0.123 m 0.247 m 6.302 (1.00) 4.054 (1.55) 3.435 (1.83) s (rad/s)
Bridge deck: Abs. vert. velocity 0.012 m^2/s^2 0.110 m/s 0.220 m/s 6.394 (0.98) 5.508 (1.14) 5.335 (1.18) s (rad/s)
Bridge deck: Rel. vert. velocity 0.051 m^2/s^2 0.226 m/s 0.451 m/s 6.157 (1.02) 1.667 (3.77) 1.241 (5.06) s (rad/s)
Bridge deck: Abs. vert. accel 0.017 m^2/s^4 0.130 m/s^2 0.259 m/s^2 6.254 (1.00) 4.807 (1.31) 4.616 (1.36) s (rad/s)
Bridge deck: Rel. vert. accel 1.305 m^2/s^4 1.142 m/s^2 2.285 m/s^2 0.395 (15.92) 0.644 (9.75) 0.591 (10.63) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.014 m 0.027 m 6.316 (0.99) 4.901 (1.28) 4.690 (1.34) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.018 m/s 0.036 m/s 6.170 (1.02) 4.090 (1.54) 3.907 (1.61) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.001 m^2/s^4 0.029 m/s^2 0.058 m/s^2 3.351 (1.88) 3.425 (1.83) 3.291 (1.91) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.009 m 0.019 m 6.244 (1.01) 4.737 (1.33) 4.566 (1.38) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.013 m/s 0.026 m/s 3.765 (1.67) 4.093 (1.54) 3.949 (1.59) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.020 m/s^2 0.041 m/s^2 3.526 (1.78) 3.537 (1.78) 3.377 (1.86) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.338 SM 0.173 % 0.019 % -- -- --

Design Speed, 17 kn; 2.92 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.965 s -- -- -- -- --
Characteristic wave height 1.200 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 2.920 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.090 m^2 0.300 m 0.601 m 9.969 (0.63) 8.348 (0.75) 7.856 (0.80) s (rad/s)
Encountered wave spectrum 0.090 m^2 0.300 m 0.601 m 6.453 (0.97) 4.798 (1.31) 4.009 (1.57) s (rad/s)
Added resistance 3.761 kN -- -- 6.398 (0.98) 5.165 (1.22) 4.783 (1.31) s (rad/s)
Heave motion 0.066 m^2 0.258 m 0.515 m 6.477 (0.97) 5.926 (1.06) 5.759 (1.09) s (rad/s)
Roll motion 0.00001 rad^2 0.00364 rad 0.00728 rad 6.241 (1.01) 4.730 (1.33) 4.560 (1.38) s (rad/s)
Pitch motion 0.00003 rad^2 0.00532 rad 0.01063 rad 6.309 (1.00) 4.896 (1.28) 4.685 (1.34) s (rad/s)
Heave velocity 0.079 m^2/s^2 0.281 m/s 0.562 m/s 6.359 (0.99) 5.227 (1.20) 5.021 (1.25) s (rad/s)
Roll velocity 0.00003 (rad/s)^2 0.00502 rad/s 0.01003 rad/s 3.759 (1.67) 4.089 (1.54) 3.946 (1.59) s (rad/s)
Pitch velocity 0.00005 (rad/s)^2 0.00713 rad/s 0.01426 rad/s 6.163 (1.02) 4.087 (1.54) 3.905 (1.61) s (rad/s)
Heave acceleration 0.124 m^2/s^4 0.352 m/s^2 0.703 m/s^2 6.217 (1.01) 4.402 (1.43) 4.186 (1.50) s (rad/s)
Roll acceleration 0.00006 (rad/s/s)^2 0.00799 rad/s/s 0.01598 rad/s/s 3.520 (1.78) 3.535 (1.78) 3.375 (1.86) s (rad/s)
Pitch acceleration 0.00013 (rad/s/s)^2 0.01147 rad/s/s 0.02294 rad/s/s 3.346 (1.88) 3.424 (1.83) 3.290 (1.91) s (rad/s)
passenger deck aft: Abs. vert. motion 0.082 m^2 0.287 m 0.574 m 6.468 (0.97) 5.821 (1.08) 5.640 (1.11) s (rad/s)
passenger deck aft: Rel. vert. motion 0.015 m^2 0.121 m 0.242 m 6.179 (1.02) 2.478 (2.54) 2.105 (2.99) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.102 m^2/s^2 0.320 m/s 0.639 m/s 6.345 (0.99) 5.066 (1.24) 4.847 (1.30) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.130 m^2/s^2 0.361 m/s 0.722 m/s 2.534 (2.48) 1.188 (5.29) 0.979 (6.42) s (rad/s)
passenger deck aft: Abs. vert. accel 0.172 m^2/s^4 0.414 m/s^2 0.828 m/s^2 6.201 (1.01) 4.202 (1.50) 3.987 (1.58) s (rad/s)
passenger deck aft: Rel. vert. accel 5.374 m^2/s^4 2.318 m/s^2 4.637 m/s^2 0.394 (15.94) 0.621 (10.12) 0.577 (10.89) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.015 m 0.030 m 6.309 (1.00) 4.898 (1.28) 4.687 (1.34) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.020 m/s 0.040 m/s 6.161 (1.02) 4.089 (1.54) 3.906 (1.61) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.001 m^2/s^4 0.032 m/s^2 0.064 m/s^2 3.346 (1.88) 3.425 (1.83) 3.291 (1.91) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.010 m 0.020 m 6.236 (1.01) 4.734 (1.33) 4.564 (1.38) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.014 m/s 0.028 m/s 3.759 (1.67) 4.092 (1.54) 3.949 (1.59) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.022 m/s^2 0.045 m/s^2 3.520 (1.78) 3.537 (1.78) 3.377 (1.86) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 1.742 SM 4.395 % 1.676 % -- -- --
passenger deck forward: Abs. vert. motion 0.044 m^2 0.209 m 0.418 m 6.487 (0.97) 6.101 (1.03) 5.957 (1.05) s (rad/s)
passenger deck forward: Rel. vert. motion 0.061 m^2 0.247 m 0.494 m 6.293 (1.00) 4.051 (1.55) 3.433 (1.83) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.049 m^2/s^2 0.220 m/s 0.441 m/s 6.385 (0.98) 5.503 (1.14) 5.331 (1.18) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.205 m^2/s^2 0.452 m/s 0.905 m/s 6.149 (1.02) 1.665 (3.77) 1.240 (5.07) s (rad/s)
passenger deck forward: Abs. vert. accel 0.067 m^2/s^4 0.260 m/s^2 0.519 m/s^2 6.245 (1.01) 4.804 (1.31) 4.614 (1.36) s (rad/s)
passenger deck forward: Rel. vert. accel 5.255 m^2/s^4 2.292 m/s^2 4.585 m/s^2 0.394 (15.94) 0.643 (9.77) 0.590 (10.65) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.015 m 0.030 m 6.309 (1.00) 4.898 (1.28) 4.687 (1.34) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.020 m/s 0.040 m/s 6.161 (1.02) 4.089 (1.54) 3.906 (1.61) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.001 m^2/s^4 0.032 m/s^2 0.064 m/s^2 3.346 (1.88) 3.425 (1.83) 3.291 (1.91) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.010 m 0.020 m 6.236 (1.01) 4.734 (1.33) 4.564 (1.38) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.014 m/s 0.028 m/s 3.759 (1.67) 4.092 (1.54) 3.949 (1.59) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.022 m/s^2 0.045 m/s^2 3.520 (1.78) 3.537 (1.78) 3.377 (1.86) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.912 SM 1.501 % 0.390 % -- -- --
Bridge deck: Abs. vert. motion 0.044 m^2 0.209 m 0.418 m 6.487 (0.97) 6.101 (1.03) 5.957 (1.05) s (rad/s)
Bridge deck: Rel. vert. motion 0.061 m^2 0.247 m 0.494 m 6.293 (1.00) 4.051 (1.55) 3.433 (1.83) s (rad/s)
Bridge deck: Abs. vert. velocity 0.049 m^2/s^2 0.220 m/s 0.441 m/s 6.385 (0.98) 5.503 (1.14) 5.331 (1.18) s (rad/s)
Bridge deck: Rel. vert. velocity 0.205 m^2/s^2 0.452 m/s 0.905 m/s 6.149 (1.02) 1.665 (3.77) 1.240 (5.07) s (rad/s)
Bridge deck: Abs. vert. accel 0.067 m^2/s^4 0.260 m/s^2 0.519 m/s^2 6.245 (1.01) 4.804 (1.31) 4.614 (1.36) s (rad/s)
Bridge deck: Rel. vert. accel 5.255 m^2/s^4 2.292 m/s^2 4.585 m/s^2 0.394 (15.94) 0.643 (9.77) 0.590 (10.65) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.001 m^2 0.027 m 0.054 m 6.309 (1.00) 4.898 (1.28) 4.687 (1.34) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.001 m^2/s^2 0.036 m/s 0.073 m/s 6.161 (1.02) 4.089 (1.54) 3.906 (1.61) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.003 m^2/s^4 0.058 m/s^2 0.117 m/s^2 3.346 (1.88) 3.425 (1.83) 3.291 (1.91) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.019 m 0.037 m 6.236 (1.01) 4.734 (1.33) 4.564 (1.38) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.001 m^2/s^2 0.026 m/s 0.051 m/s 3.759 (1.67) 4.092 (1.54) 3.949 (1.59) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.002 m^2/s^4 0.041 m/s^2 0.081 m/s^2 3.520 (1.78) 3.537 (1.78) 3.377 (1.86) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.912 SM 1.501 % 0.390 % -- -- --

Design Speed, 17 kn; 2.92 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 2.000 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 2.920 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.251 m^2 0.501 m 1.001 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.251 m^2 0.501 m 1.001 m 6.463 (0.97) 4.805 (1.31) 4.015 (1.56) s (rad/s)
Added resistance 10.440 kN -- -- 6.405 (0.98) 5.170 (1.22) 4.787 (1.31) s (rad/s)
Heave motion 0.185 m^2 0.430 m 0.859 m 6.485 (0.97) 5.933 (1.06) 5.765 (1.09) s (rad/s)
Roll motion 0.00004 rad^2 0.00606 rad 0.01212 rad 6.251 (1.01) 4.732 (1.33) 4.562 (1.38) s (rad/s)
Pitch motion 0.00008 rad^2 0.00885 rad 0.01770 rad 6.318 (0.99) 4.899 (1.28) 4.688 (1.34) s (rad/s)
Heave velocity 0.219 m^2/s^2 0.468 m/s 0.936 m/s 6.367 (0.99) 5.231 (1.20) 5.025 (1.25) s (rad/s)
Roll velocity 0.00007 (rad/s)^2 0.00835 rad/s 0.01670 rad/s 3.765 (1.67) 4.089 (1.54) 3.946 (1.59) s (rad/s)
Pitch velocity 0.00014 (rad/s)^2 0.01186 rad/s 0.02373 rad/s 6.170 (1.02) 4.088 (1.54) 3.906 (1.61) s (rad/s)
Heave acceleration 0.342 m^2/s^4 0.585 m/s^2 1.170 m/s^2 6.226 (1.01) 4.404 (1.43) 4.187 (1.50) s (rad/s)
Roll acceleration 0.00018 (rad/s/s)^2 0.01329 rad/s/s 0.02658 rad/s/s 3.526 (1.78) 3.535 (1.78) 3.375 (1.86) s (rad/s)
Pitch acceleration 0.00036 (rad/s/s)^2 0.01908 rad/s/s 0.03817 rad/s/s 3.351 (1.88) 3.424 (1.83) 3.290 (1.91) s (rad/s)
passenger deck aft: Abs. vert. motion 0.229 m^2 0.478 m 0.957 m 6.478 (0.97) 5.828 (1.08) 5.646 (1.11) s (rad/s)
passenger deck aft: Rel. vert. motion 0.041 m^2 0.201 m 0.403 m 6.188 (1.02) 2.479 (2.53) 2.106 (2.98) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.283 m^2/s^2 0.532 m/s 1.064 m/s 6.354 (0.99) 5.070 (1.24) 4.850 (1.30) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.361 m^2/s^2 0.601 m/s 1.201 m/s 2.538 (2.48) 1.189 (5.28) 0.980 (6.41) s (rad/s)
passenger deck aft: Abs. vert. accel 0.475 m^2/s^4 0.689 m/s^2 1.379 m/s^2 6.210 (1.01) 4.204 (1.49) 3.988 (1.58) s (rad/s)
passenger deck aft: Rel. vert. accel 14.826 m^2/s^4 3.851 m/s^2 7.701 m/s^2 0.393 (15.98) 0.622 (10.10) 0.578 (10.87) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.001 m^2 0.025 m 0.049 m 6.316 (0.99) 4.901 (1.28) 4.690 (1.34) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.001 m^2/s^2 0.033 m/s 0.066 m/s 6.170 (1.02) 4.090 (1.54) 3.907 (1.61) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.003 m^2/s^4 0.053 m/s^2 0.107 m/s^2 3.351 (1.88) 3.425 (1.83) 3.291 (1.91) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.017 m 0.034 m 6.244 (1.01) 4.737 (1.33) 4.566 (1.38) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.001 m^2/s^2 0.023 m/s 0.047 m/s 3.765 (1.67) 4.093 (1.54) 3.949 (1.59) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.001 m^2/s^4 0.037 m/s^2 0.074 m/s^2 3.526 (1.78) 3.537 (1.78) 3.377 (1.86) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 3.610 SM 12.445 % 6.849 % -- -- --
passenger deck forward: Abs. vert. motion 0.121 m^2 0.348 m 0.697 m 6.496 (0.97) 6.108 (1.03) 5.963 (1.05) s (rad/s)
passenger deck forward: Rel. vert. motion 0.169 m^2 0.411 m 0.823 m 6.302 (1.00) 4.054 (1.55) 3.435 (1.83) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.135 m^2/s^2 0.367 m/s 0.734 m/s 6.394 (0.98) 5.508 (1.14) 5.335 (1.18) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.566 m^2/s^2 0.752 m/s 1.505 m/s 6.157 (1.02) 1.667 (3.77) 1.241 (5.06) s (rad/s)
passenger deck forward: Abs. vert. accel 0.187 m^2/s^4 0.432 m/s^2 0.864 m/s^2 6.254 (1.00) 4.807 (1.31) 4.616 (1.36) s (rad/s)
passenger deck forward: Rel. vert. accel 14.501 m^2/s^4 3.808 m/s^2 7.616 m/s^2 0.395 (15.92) 0.644 (9.75) 0.591 (10.63) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.001 m^2 0.025 m 0.049 m 6.316 (0.99) 4.901 (1.28) 4.690 (1.34) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.001 m^2/s^2 0.033 m/s 0.066 m/s 6.170 (1.02) 4.090 (1.54) 3.907 (1.61) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.003 m^2/s^4 0.053 m/s^2 0.107 m/s^2 3.351 (1.88) 3.425 (1.83) 3.291 (1.91) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.017 m 0.034 m 6.244 (1.01) 4.737 (1.33) 4.566 (1.38) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.001 m^2/s^2 0.023 m/s 0.047 m/s 3.765 (1.67) 4.093 (1.54) 3.949 (1.59) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.001 m^2/s^4 0.037 m/s^2 0.074 m/s^2 3.526 (1.78) 3.537 (1.78) 3.377 (1.86) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 1.892 SM 5.303 % 2.215 % -- -- --
Bridge deck: Abs. vert. motion 0.121 m^2 0.348 m 0.697 m 6.496 (0.97) 6.108 (1.03) 5.963 (1.05) s (rad/s)
Bridge deck: Rel. vert. motion 0.169 m^2 0.411 m 0.823 m 6.302 (1.00) 4.054 (1.55) 3.435 (1.83) s (rad/s)
Bridge deck: Abs. vert. velocity 0.135 m^2/s^2 0.367 m/s 0.734 m/s 6.394 (0.98) 5.508 (1.14) 5.335 (1.18) s (rad/s)
Bridge deck: Rel. vert. velocity 0.566 m^2/s^2 0.752 m/s 1.505 m/s 6.157 (1.02) 1.667 (3.77) 1.241 (5.06) s (rad/s)
Bridge deck: Abs. vert. accel 0.187 m^2/s^4 0.432 m/s^2 0.864 m/s^2 6.254 (1.00) 4.807 (1.31) 4.616 (1.36) s (rad/s)
Bridge deck: Rel. vert. accel 14.501 m^2/s^4 3.808 m/s^2 7.616 m/s^2 0.395 (15.92) 0.644 (9.75) 0.591 (10.63) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.002 m^2 0.045 m 0.090 m 6.316 (0.99) 4.901 (1.28) 4.690 (1.34) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.004 m^2/s^2 0.060 m/s 0.121 m/s 6.170 (1.02) 4.090 (1.54) 3.907 (1.61) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.009 m^2/s^4 0.097 m/s^2 0.194 m/s^2 3.351 (1.88) 3.425 (1.83) 3.291 (1.91) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.001 m^2 0.031 m 0.062 m 6.244 (1.01) 4.737 (1.33) 4.566 (1.38) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.002 m^2/s^2 0.043 m/s 0.085 m/s 3.765 (1.67) 4.093 (1.54) 3.949 (1.59) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.005 m^2/s^4 0.068 m/s^2 0.135 m/s^2 3.526 (1.78) 3.537 (1.78) 3.377 (1.86) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 1.892 SM 5.303 % 2.215 % -- -- --

Design Speed, 17 kn; 3.186 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.956 s -- -- -- -- --
Characteristic wave height 0.300 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 3.186 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.006 m^2 0.075 m 0.150 m 9.960 (0.63) 8.340 (0.75) 7.849 (0.80) s (rad/s)
Encountered wave spectrum 0.006 m^2 0.075 m 0.150 m 6.393 (0.98) 4.743 (1.32) 3.956 (1.59) s (rad/s)
Added resistance 0.235 kN -- -- 6.334 (0.99) 5.124 (1.23) 4.749 (1.32) s (rad/s)
Heave motion 0.004 m^2 0.064 m 0.129 m 6.415 (0.98) 5.870 (1.07) 5.703 (1.10) s (rad/s)
Roll motion 0.00000 rad^2 0.00018 rad 0.00037 rad 6.179 (1.02) 4.692 (1.34) 4.525 (1.39) s (rad/s)
Pitch motion 0.00000 rad^2 0.00135 rad 0.00270 rad 6.244 (1.01) 4.847 (1.30) 4.639 (1.35) s (rad/s)
Heave velocity 0.005 m^2/s^2 0.071 m/s 0.142 m/s 6.296 (1.00) 5.176 (1.21) 4.972 (1.26) s (rad/s)
Roll velocity 0.00000 (rad/s)^2 0.00026 rad/s 0.00051 rad/s 3.765 (1.67) 4.060 (1.55) 3.919 (1.60) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00183 rad/s 0.00365 rad/s 6.097 (1.03) 4.049 (1.55) 3.869 (1.62) s (rad/s)
Heave acceleration 0.008 m^2/s^4 0.090 m/s^2 0.179 m/s^2 6.154 (1.02) 4.360 (1.44) 4.146 (1.52) s (rad/s)
Roll acceleration 0.00000 (rad/s/s)^2 0.00041 rad/s/s 0.00082 rad/s/s 3.523 (1.78) 3.513 (1.79) 3.353 (1.87) s (rad/s)
Pitch acceleration 0.00001 (rad/s/s)^2 0.00297 rad/s/s 0.00593 rad/s/s 3.346 (1.88) 3.396 (1.85) 3.264 (1.92) s (rad/s)
passenger deck aft: Abs. vert. motion 0.005 m^2 0.072 m 0.144 m 6.406 (0.98) 5.763 (1.09) 5.583 (1.13) s (rad/s)
passenger deck aft: Rel. vert. motion 0.001 m^2 0.031 m 0.061 m 6.120 (1.03) 2.460 (2.55) 2.085 (3.01) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.007 m^2/s^2 0.081 m/s 0.162 m/s 6.282 (1.00) 5.013 (1.25) 4.796 (1.31) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.008 m^2/s^2 0.092 m/s 0.184 m/s 2.527 (2.49) 1.168 (5.38) 0.961 (6.54) s (rad/s)
passenger deck aft: Abs. vert. accel 0.011 m^2/s^4 0.106 m/s^2 0.212 m/s^2 6.137 (1.02) 4.159 (1.51) 3.947 (1.59) s (rad/s)
passenger deck aft: Rel. vert. accel 0.361 m^2/s^4 0.601 m/s^2 1.202 m/s^2 0.380 (16.53) 0.608 (10.34) 0.565 (11.12) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.004 m 0.008 m 6.242 (1.01) 4.849 (1.30) 4.641 (1.35) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.010 m/s 6.096 (1.03) 4.051 (1.55) 3.871 (1.62) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.008 m/s^2 0.017 m/s^2 3.346 (1.88) 3.397 (1.85) 3.265 (1.92) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.001 m 0.001 m 6.175 (1.02) 4.696 (1.34) 4.529 (1.39) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.001 m/s 0.001 m/s 3.765 (1.67) 4.063 (1.55) 3.922 (1.60) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.001 m/s^2 0.002 m/s^2 3.523 (1.78) 3.515 (1.79) 3.354 (1.87) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.247 SM 0.070 % 0.005 % -- -- --
passenger deck forward: Abs. vert. motion 0.003 m^2 0.052 m 0.105 m 6.432 (0.98) 6.047 (1.04) 5.904 (1.06) s (rad/s)
passenger deck forward: Rel. vert. motion 0.004 m^2 0.063 m 0.125 m 6.232 (1.01) 4.026 (1.56) 3.410 (1.84) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.003 m^2/s^2 0.056 m/s 0.111 m/s 6.323 (0.99) 5.456 (1.15) 5.287 (1.19) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.013 m^2/s^2 0.115 m/s 0.231 m/s 6.087 (1.03) 1.644 (3.82) 1.220 (5.15) s (rad/s)
passenger deck forward: Abs. vert. accel 0.004 m^2/s^4 0.066 m/s^2 0.132 m/s^2 6.184 (1.02) 4.767 (1.32) 4.580 (1.37) s (rad/s)
passenger deck forward: Rel. vert. accel 0.353 m^2/s^4 0.594 m/s^2 1.188 m/s^2 0.380 (16.53) 0.629 (9.98) 0.577 (10.88) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.004 m 0.008 m 6.242 (1.01) 4.849 (1.30) 4.641 (1.35) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.010 m/s 6.096 (1.03) 4.051 (1.55) 3.871 (1.62) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.008 m/s^2 0.017 m/s^2 3.346 (1.88) 3.397 (1.85) 3.265 (1.92) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.001 m 0.001 m 6.175 (1.02) 4.696 (1.34) 4.529 (1.39) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.001 m/s 0.001 m/s 3.765 (1.67) 4.063 (1.55) 3.922 (1.60) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.001 m/s^2 0.002 m/s^2 3.523 (1.78) 3.515 (1.79) 3.354 (1.87) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.129 SM 0.013 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.003 m^2 0.052 m 0.105 m 6.432 (0.98) 6.047 (1.04) 5.904 (1.06) s (rad/s)
Bridge deck: Rel. vert. motion 0.004 m^2 0.063 m 0.125 m 6.232 (1.01) 4.026 (1.56) 3.410 (1.84) s (rad/s)
Bridge deck: Abs. vert. velocity 0.003 m^2/s^2 0.056 m/s 0.111 m/s 6.323 (0.99) 5.456 (1.15) 5.287 (1.19) s (rad/s)
Bridge deck: Rel. vert. velocity 0.013 m^2/s^2 0.115 m/s 0.231 m/s 6.087 (1.03) 1.644 (3.82) 1.220 (5.15) s (rad/s)
Bridge deck: Abs. vert. accel 0.004 m^2/s^4 0.066 m/s^2 0.132 m/s^2 6.184 (1.02) 4.767 (1.32) 4.580 (1.37) s (rad/s)
Bridge deck: Rel. vert. accel 0.353 m^2/s^4 0.594 m/s^2 1.188 m/s^2 0.380 (16.53) 0.629 (9.98) 0.577 (10.88) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.007 m 0.014 m 6.242 (1.01) 4.849 (1.30) 4.641 (1.35) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.009 m/s 0.019 m/s 6.096 (1.03) 4.051 (1.55) 3.871 (1.62) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.015 m/s^2 0.030 m/s^2 3.346 (1.88) 3.397 (1.85) 3.265 (1.92) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.001 m 0.002 m 6.175 (1.02) 4.696 (1.34) 4.529 (1.39) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.001 m/s 0.003 m/s 3.765 (1.67) 4.063 (1.55) 3.922 (1.60) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.002 m/s^2 0.004 m/s^2 3.523 (1.78) 3.515 (1.79) 3.354 (1.87) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.129 SM 0.013 % 0.000 % -- -- --

Design Speed, 17 kn; 3.186 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 3.186 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 6.408 (0.98) 4.756 (1.32) 3.967 (1.58) s (rad/s)
Added resistance 0.938 kN -- -- 6.351 (0.99) 5.134 (1.22) 4.757 (1.32) s (rad/s)
Heave motion 0.017 m^2 0.129 m 0.258 m 6.431 (0.98) 5.882 (1.07) 5.715 (1.10) s (rad/s)
Roll motion 0.00000 rad^2 0.00037 rad 0.00074 rad 6.195 (1.01) 4.696 (1.34) 4.528 (1.39) s (rad/s)
Pitch motion 0.00001 rad^2 0.00269 rad 0.00538 rad 6.261 (1.00) 4.853 (1.29) 4.644 (1.35) s (rad/s)
Heave velocity 0.020 m^2/s^2 0.142 m/s 0.284 m/s 6.311 (1.00) 5.184 (1.21) 4.979 (1.26) s (rad/s)
Roll velocity 0.00000 (rad/s)^2 0.00051 rad/s 0.00102 rad/s 3.725 (1.69) 4.061 (1.55) 3.920 (1.60) s (rad/s)
Pitch velocity 0.00001 (rad/s)^2 0.00364 rad/s 0.00728 rad/s 6.114 (1.03) 4.051 (1.55) 3.871 (1.62) s (rad/s)
Heave acceleration 0.032 m^2/s^4 0.179 m/s^2 0.358 m/s^2 6.169 (1.02) 4.363 (1.44) 4.149 (1.51) s (rad/s)
Roll acceleration 0.00000 (rad/s/s)^2 0.00082 rad/s/s 0.00164 rad/s/s 3.533 (1.78) 3.514 (1.79) 3.353 (1.87) s (rad/s)
Pitch acceleration 0.00003 (rad/s/s)^2 0.00591 rad/s/s 0.01182 rad/s/s 3.356 (1.87) 3.396 (1.85) 3.265 (1.92) s (rad/s)
passenger deck aft: Abs. vert. motion 0.021 m^2 0.144 m 0.288 m 6.421 (0.98) 5.775 (1.09) 5.594 (1.12) s (rad/s)
passenger deck aft: Rel. vert. motion 0.004 m^2 0.061 m 0.122 m 6.135 (1.02) 2.461 (2.55) 2.087 (3.01) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.026 m^2/s^2 0.162 m/s 0.323 m/s 6.297 (1.00) 5.020 (1.25) 4.802 (1.31) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.034 m^2/s^2 0.183 m/s 0.366 m/s 2.535 (2.48) 1.171 (5.37) 0.963 (6.52) s (rad/s)
passenger deck aft: Abs. vert. accel 0.045 m^2/s^4 0.211 m/s^2 0.423 m/s^2 6.154 (1.02) 4.162 (1.51) 3.949 (1.59) s (rad/s)
passenger deck aft: Rel. vert. accel 1.426 m^2/s^4 1.194 m/s^2 2.388 m/s^2 0.380 (16.54) 0.610 (10.30) 0.567 (11.08) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.008 m 0.015 m 6.259 (1.00) 4.855 (1.29) 4.646 (1.35) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.010 m/s 0.020 m/s 6.112 (1.03) 4.053 (1.55) 3.872 (1.62) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.017 m/s^2 0.033 m/s^2 3.356 (1.87) 3.397 (1.85) 3.265 (1.92) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.001 m 0.002 m 6.190 (1.02) 4.700 (1.34) 4.532 (1.39) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.001 m/s 0.003 m/s 3.725 (1.69) 4.065 (1.55) 3.923 (1.60) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.002 m/s^2 0.005 m/s^2 3.533 (1.78) 3.516 (1.79) 3.355 (1.87) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.663 SM 0.729 % 0.137 % -- -- --
passenger deck forward: Abs. vert. motion 0.011 m^2 0.105 m 0.209 m 6.447 (0.97) 6.060 (1.04) 5.916 (1.06) s (rad/s)
passenger deck forward: Rel. vert. motion 0.016 m^2 0.125 m 0.250 m 6.247 (1.01) 4.032 (1.56) 3.415 (1.84) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.012 m^2/s^2 0.111 m/s 0.222 m/s 6.338 (0.99) 5.465 (1.15) 5.294 (1.19) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.053 m^2/s^2 0.230 m/s 0.460 m/s 6.104 (1.03) 1.648 (3.81) 1.223 (5.14) s (rad/s)
passenger deck forward: Abs. vert. accel 0.017 m^2/s^4 0.132 m/s^2 0.264 m/s^2 6.199 (1.01) 4.772 (1.32) 4.583 (1.37) s (rad/s)
passenger deck forward: Rel. vert. accel 1.393 m^2/s^4 1.180 m/s^2 2.360 m/s^2 0.380 (16.54) 0.632 (9.94) 0.580 (10.84) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.008 m 0.015 m 6.259 (1.00) 4.855 (1.29) 4.646 (1.35) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.010 m/s 0.020 m/s 6.112 (1.03) 4.053 (1.55) 3.872 (1.62) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.017 m/s^2 0.033 m/s^2 3.356 (1.87) 3.397 (1.85) 3.265 (1.92) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.001 m 0.002 m 6.190 (1.02) 4.700 (1.34) 4.532 (1.39) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.001 m/s 0.003 m/s 3.725 (1.69) 4.065 (1.55) 3.923 (1.60) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.002 m/s^2 0.005 m/s^2 3.533 (1.78) 3.516 (1.79) 3.355 (1.87) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.346 SM 0.182 % 0.020 % -- -- --
Bridge deck: Abs. vert. motion 0.011 m^2 0.105 m 0.209 m 6.447 (0.97) 6.060 (1.04) 5.916 (1.06) s (rad/s)
Bridge deck: Rel. vert. motion 0.016 m^2 0.125 m 0.250 m 6.247 (1.01) 4.032 (1.56) 3.415 (1.84) s (rad/s)
Bridge deck: Abs. vert. velocity 0.012 m^2/s^2 0.111 m/s 0.222 m/s 6.338 (0.99) 5.465 (1.15) 5.294 (1.19) s (rad/s)
Bridge deck: Rel. vert. velocity 0.053 m^2/s^2 0.230 m/s 0.460 m/s 6.104 (1.03) 1.648 (3.81) 1.223 (5.14) s (rad/s)
Bridge deck: Abs. vert. accel 0.017 m^2/s^4 0.132 m/s^2 0.264 m/s^2 6.199 (1.01) 4.772 (1.32) 4.583 (1.37) s (rad/s)
Bridge deck: Rel. vert. accel 1.393 m^2/s^4 1.180 m/s^2 2.360 m/s^2 0.380 (16.54) 0.632 (9.94) 0.580 (10.84) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.014 m 0.027 m 6.259 (1.00) 4.855 (1.29) 4.646 (1.35) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.019 m/s 0.037 m/s 6.112 (1.03) 4.053 (1.55) 3.872 (1.62) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.001 m^2/s^4 0.030 m/s^2 0.060 m/s^2 3.356 (1.87) 3.397 (1.85) 3.265 (1.92) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.002 m 0.004 m 6.190 (1.02) 4.700 (1.34) 4.532 (1.39) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.003 m/s 0.005 m/s 3.725 (1.69) 4.065 (1.55) 3.923 (1.60) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.004 m/s^2 0.008 m/s^2 3.533 (1.78) 3.516 (1.79) 3.355 (1.87) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.346 SM 0.182 % 0.020 % -- -- --

Design Speed, 17 kn; 3.186 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.965 s -- -- -- -- --
Characteristic wave height 1.200 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 3.186 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.090 m^2 0.300 m 0.601 m 9.969 (0.63) 8.348 (0.75) 7.856 (0.80) s (rad/s)
Encountered wave spectrum 0.090 m^2 0.300 m 0.601 m 6.399 (0.98) 4.749 (1.32) 3.961 (1.59) s (rad/s)
Added resistance 3.756 kN -- -- 6.342 (0.99) 5.129 (1.23) 4.752 (1.32) s (rad/s)
Heave motion 0.067 m^2 0.258 m 0.516 m 6.421 (0.98) 5.875 (1.07) 5.709 (1.10) s (rad/s)
Roll motion 0.00000 rad^2 0.00074 rad 0.00147 rad 6.186 (1.02) 4.694 (1.34) 4.526 (1.39) s (rad/s)
Pitch motion 0.00003 rad^2 0.00539 rad 0.01078 rad 6.252 (1.01) 4.850 (1.30) 4.641 (1.35) s (rad/s)
Heave velocity 0.081 m^2/s^2 0.284 m/s 0.568 m/s 6.304 (1.00) 5.179 (1.21) 4.975 (1.26) s (rad/s)
Roll velocity 0.00000 (rad/s)^2 0.00102 rad/s 0.00204 rad/s 3.770 (1.67) 4.061 (1.55) 3.920 (1.60) s (rad/s)
Pitch velocity 0.00005 (rad/s)^2 0.00729 rad/s 0.01459 rad/s 6.105 (1.03) 4.050 (1.55) 3.870 (1.62) s (rad/s)
Heave acceleration 0.129 m^2/s^4 0.359 m/s^2 0.717 m/s^2 6.162 (1.02) 4.361 (1.44) 4.147 (1.51) s (rad/s)
Roll acceleration 0.00000 (rad/s/s)^2 0.00164 rad/s/s 0.00328 rad/s/s 3.528 (1.78) 3.514 (1.79) 3.353 (1.87) s (rad/s)
Pitch acceleration 0.00014 (rad/s/s)^2 0.01184 rad/s/s 0.02369 rad/s/s 3.351 (1.88) 3.396 (1.85) 3.264 (1.92) s (rad/s)
passenger deck aft: Abs. vert. motion 0.083 m^2 0.288 m 0.575 m 6.412 (0.98) 5.769 (1.09) 5.588 (1.12) s (rad/s)
passenger deck aft: Rel. vert. motion 0.015 m^2 0.122 m 0.244 m 6.125 (1.03) 2.460 (2.55) 2.086 (3.01) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.104 m^2/s^2 0.323 m/s 0.646 m/s 6.288 (1.00) 5.016 (1.25) 4.799 (1.31) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.135 m^2/s^2 0.367 m/s 0.734 m/s 2.531 (2.48) 1.169 (5.37) 0.962 (6.53) s (rad/s)
passenger deck aft: Abs. vert. accel 0.179 m^2/s^4 0.423 m/s^2 0.846 m/s^2 6.144 (1.02) 4.160 (1.51) 3.948 (1.59) s (rad/s)
passenger deck aft: Rel. vert. accel 5.743 m^2/s^4 2.396 m/s^2 4.793 m/s^2 0.379 (16.57) 0.609 (10.32) 0.566 (11.10) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.015 m 0.030 m 6.250 (1.01) 4.852 (1.29) 4.644 (1.35) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.020 m/s 0.041 m/s 6.103 (1.03) 4.052 (1.55) 3.871 (1.62) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.001 m^2/s^4 0.033 m/s^2 0.066 m/s^2 3.351 (1.88) 3.397 (1.85) 3.265 (1.92) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.002 m 0.004 m 6.183 (1.02) 4.698 (1.34) 4.530 (1.39) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.003 m/s 0.006 m/s 3.770 (1.67) 4.064 (1.55) 3.923 (1.60) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.005 m/s^2 0.009 m/s^2 3.528 (1.78) 3.516 (1.79) 3.355 (1.87) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 1.791 SM 4.560 % 1.757 % -- -- --
passenger deck forward: Abs. vert. motion 0.044 m^2 0.209 m 0.419 m 6.438 (0.98) 6.053 (1.04) 5.910 (1.06) s (rad/s)
passenger deck forward: Rel. vert. motion 0.063 m^2 0.250 m 0.500 m 6.239 (1.01) 4.028 (1.56) 3.413 (1.84) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.049 m^2/s^2 0.222 m/s 0.445 m/s 6.331 (0.99) 5.461 (1.15) 5.290 (1.19) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.212 m^2/s^2 0.460 m/s 0.921 m/s 6.095 (1.03) 1.646 (3.82) 1.222 (5.14) s (rad/s)
passenger deck forward: Abs. vert. accel 0.070 m^2/s^4 0.264 m/s^2 0.528 m/s^2 6.192 (1.01) 4.769 (1.32) 4.581 (1.37) s (rad/s)
passenger deck forward: Rel. vert. accel 5.609 m^2/s^4 2.368 m/s^2 4.737 m/s^2 0.379 (16.57) 0.631 (9.96) 0.579 (10.86) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.015 m 0.030 m 6.250 (1.01) 4.852 (1.29) 4.644 (1.35) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.020 m/s 0.041 m/s 6.103 (1.03) 4.052 (1.55) 3.871 (1.62) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.001 m^2/s^4 0.033 m/s^2 0.066 m/s^2 3.351 (1.88) 3.397 (1.85) 3.265 (1.92) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.002 m 0.004 m 6.183 (1.02) 4.698 (1.34) 4.530 (1.39) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.003 m/s 0.006 m/s 3.770 (1.67) 4.064 (1.55) 3.923 (1.60) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.005 m/s^2 0.009 m/s^2 3.528 (1.78) 3.516 (1.79) 3.355 (1.87) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.934 SM 1.563 % 0.412 % -- -- --
Bridge deck: Abs. vert. motion 0.044 m^2 0.209 m 0.419 m 6.438 (0.98) 6.053 (1.04) 5.910 (1.06) s (rad/s)
Bridge deck: Rel. vert. motion 0.063 m^2 0.250 m 0.500 m 6.239 (1.01) 4.028 (1.56) 3.413 (1.84) s (rad/s)
Bridge deck: Abs. vert. velocity 0.049 m^2/s^2 0.222 m/s 0.445 m/s 6.331 (0.99) 5.461 (1.15) 5.290 (1.19) s (rad/s)
Bridge deck: Rel. vert. velocity 0.212 m^2/s^2 0.460 m/s 0.921 m/s 6.095 (1.03) 1.646 (3.82) 1.222 (5.14) s (rad/s)
Bridge deck: Abs. vert. accel 0.070 m^2/s^4 0.264 m/s^2 0.528 m/s^2 6.192 (1.01) 4.769 (1.32) 4.581 (1.37) s (rad/s)
Bridge deck: Rel. vert. accel 5.609 m^2/s^4 2.368 m/s^2 4.737 m/s^2 0.379 (16.57) 0.631 (9.96) 0.579 (10.86) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.001 m^2 0.027 m 0.055 m 6.250 (1.01) 4.852 (1.29) 4.644 (1.35) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.001 m^2/s^2 0.037 m/s 0.074 m/s 6.103 (1.03) 4.052 (1.55) 3.871 (1.62) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.004 m^2/s^4 0.060 m/s^2 0.121 m/s^2 3.351 (1.88) 3.397 (1.85) 3.265 (1.92) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.004 m 0.008 m 6.183 (1.02) 4.698 (1.34) 4.530 (1.39) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.005 m/s 0.010 m/s 3.770 (1.67) 4.064 (1.55) 3.923 (1.60) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.008 m/s^2 0.017 m/s^2 3.528 (1.78) 3.516 (1.79) 3.355 (1.87) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.934 SM 1.563 % 0.412 % -- -- --

Design Speed, 17 kn; 3.186 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 2.000 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 3.186 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.251 m^2 0.501 m 1.001 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.251 m^2 0.501 m 1.001 m 6.408 (0.98) 4.756 (1.32) 3.967 (1.58) s (rad/s)
Added resistance 10.426 kN -- -- 6.351 (0.99) 5.134 (1.22) 4.757 (1.32) s (rad/s)
Heave motion 0.185 m^2 0.430 m 0.861 m 6.431 (0.98) 5.882 (1.07) 5.715 (1.10) s (rad/s)
Roll motion 0.00000 rad^2 0.00123 rad 0.00245 rad 6.195 (1.01) 4.696 (1.34) 4.528 (1.39) s (rad/s)
Pitch motion 0.00008 rad^2 0.00897 rad 0.01795 rad 6.261 (1.00) 4.853 (1.29) 4.644 (1.35) s (rad/s)
Heave velocity 0.224 m^2/s^2 0.473 m/s 0.946 m/s 6.311 (1.00) 5.184 (1.21) 4.979 (1.26) s (rad/s)
Roll velocity 0.00000 (rad/s)^2 0.00170 rad/s 0.00340 rad/s 3.725 (1.69) 4.061 (1.55) 3.920 (1.60) s (rad/s)
Pitch velocity 0.00015 (rad/s)^2 0.01214 rad/s 0.02428 rad/s 6.114 (1.03) 4.051 (1.55) 3.871 (1.62) s (rad/s)
Heave acceleration 0.356 m^2/s^4 0.597 m/s^2 1.194 m/s^2 6.169 (1.02) 4.363 (1.44) 4.149 (1.51) s (rad/s)
Roll acceleration 0.00001 (rad/s/s)^2 0.00273 rad/s/s 0.00545 rad/s/s 3.533 (1.78) 3.514 (1.79) 3.353 (1.87) s (rad/s)
Pitch acceleration 0.00039 (rad/s/s)^2 0.01970 rad/s/s 0.03941 rad/s/s 3.356 (1.87) 3.396 (1.85) 3.265 (1.92) s (rad/s)
passenger deck aft: Abs. vert. motion 0.230 m^2 0.479 m 0.959 m 6.421 (0.98) 5.775 (1.09) 5.594 (1.12) s (rad/s)
passenger deck aft: Rel. vert. motion 0.041 m^2 0.203 m 0.405 m 6.135 (1.02) 2.461 (2.55) 2.087 (3.01) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.290 m^2/s^2 0.538 m/s 1.077 m/s 6.297 (1.00) 5.020 (1.25) 4.802 (1.31) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.372 m^2/s^2 0.610 m/s 1.220 m/s 2.535 (2.48) 1.171 (5.37) 0.963 (6.52) s (rad/s)
passenger deck aft: Abs. vert. accel 0.496 m^2/s^4 0.704 m/s^2 1.409 m/s^2 6.154 (1.02) 4.162 (1.51) 3.949 (1.59) s (rad/s)
passenger deck aft: Rel. vert. accel 15.841 m^2/s^4 3.980 m/s^2 7.960 m/s^2 0.380 (16.54) 0.610 (10.30) 0.567 (11.08) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.001 m^2 0.025 m 0.050 m 6.259 (1.00) 4.855 (1.29) 4.646 (1.35) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.001 m^2/s^2 0.034 m/s 0.068 m/s 6.112 (1.03) 4.053 (1.55) 3.872 (1.62) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.003 m^2/s^4 0.055 m/s^2 0.110 m/s^2 3.356 (1.87) 3.397 (1.85) 3.265 (1.92) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.003 m 0.007 m 6.190 (1.02) 4.700 (1.34) 4.532 (1.39) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.005 m/s 0.010 m/s 3.725 (1.69) 4.065 (1.55) 3.923 (1.60) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.008 m/s^2 0.015 m/s^2 3.533 (1.78) 3.516 (1.79) 3.355 (1.87) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 3.711 SM 12.807 % 7.100 % -- -- --
passenger deck forward: Abs. vert. motion 0.122 m^2 0.349 m 0.698 m 6.447 (0.97) 6.060 (1.04) 5.916 (1.06) s (rad/s)
passenger deck forward: Rel. vert. motion 0.173 m^2 0.416 m 0.833 m 6.247 (1.01) 4.032 (1.56) 3.415 (1.84) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.137 m^2/s^2 0.371 m/s 0.741 m/s 6.338 (0.99) 5.465 (1.15) 5.294 (1.19) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.587 m^2/s^2 0.766 m/s 1.532 m/s 6.104 (1.03) 1.648 (3.81) 1.223 (5.14) s (rad/s)
passenger deck forward: Abs. vert. accel 0.193 m^2/s^4 0.440 m/s^2 0.879 m/s^2 6.199 (1.01) 4.772 (1.32) 4.583 (1.37) s (rad/s)
passenger deck forward: Rel. vert. accel 15.475 m^2/s^4 3.934 m/s^2 7.868 m/s^2 0.380 (16.54) 0.632 (9.94) 0.580 (10.84) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.001 m^2 0.025 m 0.050 m 6.259 (1.00) 4.855 (1.29) 4.646 (1.35) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.001 m^2/s^2 0.034 m/s 0.068 m/s 6.112 (1.03) 4.053 (1.55) 3.872 (1.62) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.003 m^2/s^4 0.055 m/s^2 0.110 m/s^2 3.356 (1.87) 3.397 (1.85) 3.265 (1.92) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.003 m 0.007 m 6.190 (1.02) 4.700 (1.34) 4.532 (1.39) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.005 m/s 0.010 m/s 3.725 (1.69) 4.065 (1.55) 3.923 (1.60) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.008 m/s^2 0.015 m/s^2 3.533 (1.78) 3.516 (1.79) 3.355 (1.87) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 1.937 SM 5.479 % 2.313 % -- -- --
Bridge deck: Abs. vert. motion 0.122 m^2 0.349 m 0.698 m 6.447 (0.97) 6.060 (1.04) 5.916 (1.06) s (rad/s)
Bridge deck: Rel. vert. motion 0.173 m^2 0.416 m 0.833 m 6.247 (1.01) 4.032 (1.56) 3.415 (1.84) s (rad/s)
Bridge deck: Abs. vert. velocity 0.137 m^2/s^2 0.371 m/s 0.741 m/s 6.338 (0.99) 5.465 (1.15) 5.294 (1.19) s (rad/s)
Bridge deck: Rel. vert. velocity 0.587 m^2/s^2 0.766 m/s 1.532 m/s 6.104 (1.03) 1.648 (3.81) 1.223 (5.14) s (rad/s)
Bridge deck: Abs. vert. accel 0.193 m^2/s^4 0.440 m/s^2 0.879 m/s^2 6.199 (1.01) 4.772 (1.32) 4.583 (1.37) s (rad/s)
Bridge deck: Rel. vert. accel 15.475 m^2/s^4 3.934 m/s^2 7.868 m/s^2 0.380 (16.54) 0.632 (9.94) 0.580 (10.84) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.002 m^2 0.046 m 0.091 m 6.259 (1.00) 4.855 (1.29) 4.646 (1.35) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.004 m^2/s^2 0.062 m/s 0.124 m/s 6.112 (1.03) 4.053 (1.55) 3.872 (1.62) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.010 m^2/s^4 0.100 m/s^2 0.201 m/s^2 3.356 (1.87) 3.397 (1.85) 3.265 (1.92) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.006 m 0.013 m 6.190 (1.02) 4.700 (1.34) 4.532 (1.39) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.009 m/s 0.017 m/s 3.725 (1.69) 4.065 (1.55) 3.923 (1.60) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.014 m/s^2 0.028 m/s^2 3.533 (1.78) 3.516 (1.79) 3.355 (1.87) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 1.937 SM 5.479 % 2.313 % -- -- --

Design Speed, 17 kn; 3.451 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.956 s -- -- -- -- --
Characteristic wave height 0.300 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 3.451 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.006 m^2 0.075 m 0.150 m 9.960 (0.63) 8.340 (0.75) 7.849 (0.80) s (rad/s)
Encountered wave spectrum 0.006 m^2 0.075 m 0.150 m 6.500 (0.97) 4.840 (1.30) 4.053 (1.55) s (rad/s)
Added resistance 0.236 kN -- -- 6.444 (0.97) 5.197 (1.21) 4.809 (1.31) s (rad/s)
Heave motion 0.004 m^2 0.064 m 0.129 m 6.513 (0.96) 5.972 (1.05) 5.805 (1.08) s (rad/s)
Roll motion 0.00000 rad^2 0.00126 rad 0.00252 rad 6.289 (1.00) 4.765 (1.32) 4.593 (1.37) s (rad/s)
Pitch motion 0.00000 rad^2 0.00131 rad 0.00262 rad 6.359 (0.99) 4.940 (1.27) 4.728 (1.33) s (rad/s)
Heave velocity 0.005 m^2/s^2 0.070 m/s 0.139 m/s 6.408 (0.98) 5.272 (1.19) 5.065 (1.24) s (rad/s)
Roll velocity 0.00000 (rad/s)^2 0.00173 rad/s 0.00345 rad/s 6.135 (1.02) 4.117 (1.53) 3.972 (1.58) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00174 rad/s 0.00349 rad/s 6.212 (1.01) 4.125 (1.52) 3.940 (1.59) s (rad/s)
Heave acceleration 0.007 m^2/s^4 0.086 m/s^2 0.173 m/s^2 6.265 (1.00) 4.443 (1.41) 4.223 (1.49) s (rad/s)
Roll acceleration 0.00001 (rad/s/s)^2 0.00273 rad/s/s 0.00546 rad/s/s 3.509 (1.79) 3.557 (1.77) 3.397 (1.85) s (rad/s)
Pitch acceleration 0.00001 (rad/s/s)^2 0.00278 rad/s/s 0.00556 rad/s/s 3.509 (1.79) 3.453 (1.82) 3.316 (1.89) s (rad/s)
passenger deck aft: Abs. vert. motion 0.005 m^2 0.072 m 0.143 m 6.502 (0.97) 5.869 (1.07) 5.688 (1.10) s (rad/s)
passenger deck aft: Rel. vert. motion 0.001 m^2 0.030 m 0.060 m 3.030 (2.07) 2.496 (2.52) 2.123 (2.96) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.006 m^2/s^2 0.079 m/s 0.158 m/s 6.393 (0.98) 5.113 (1.23) 4.893 (1.28) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.008 m^2/s^2 0.089 m/s 0.178 m/s 2.535 (2.48) 1.205 (5.21) 0.994 (6.32) s (rad/s)
passenger deck aft: Abs. vert. accel 0.010 m^2/s^4 0.101 m/s^2 0.203 m/s^2 6.251 (1.01) 4.244 (1.48) 4.025 (1.56) s (rad/s)
passenger deck aft: Rel. vert. accel 0.316 m^2/s^4 0.562 m/s^2 1.125 m/s^2 0.394 (15.94) 0.632 (9.94) 0.587 (10.70) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.004 m 0.007 m 6.359 (0.99) 4.943 (1.27) 4.731 (1.33) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.010 m/s 6.212 (1.01) 4.127 (1.52) 3.942 (1.59) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.008 m/s^2 0.016 m/s^2 3.509 (1.79) 3.454 (1.82) 3.317 (1.89) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.004 m 0.007 m 6.282 (1.00) 4.769 (1.32) 4.598 (1.37) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.005 m/s 0.010 m/s 6.133 (1.02) 4.120 (1.52) 3.975 (1.58) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.008 m/s^2 0.015 m/s^2 3.509 (1.79) 3.559 (1.77) 3.398 (1.85) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.234 SM 0.062 % 0.004 % -- -- --
passenger deck forward: Abs. vert. motion 0.003 m^2 0.052 m 0.104 m 6.534 (0.96) 6.144 (1.02) 5.999 (1.05) s (rad/s)
passenger deck forward: Rel. vert. motion 0.004 m^2 0.061 m 0.122 m 6.339 (0.99) 4.071 (1.54) 3.451 (1.82) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.003 m^2/s^2 0.055 m/s 0.109 m/s 6.432 (0.98) 5.542 (1.13) 5.369 (1.17) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.012 m^2/s^2 0.111 m/s 0.222 m/s 6.197 (1.01) 1.682 (3.73) 1.256 (5.00) s (rad/s)
passenger deck forward: Abs. vert. accel 0.004 m^2/s^4 0.064 m/s^2 0.128 m/s^2 6.293 (1.00) 4.838 (1.30) 4.646 (1.35) s (rad/s)
passenger deck forward: Rel. vert. accel 0.310 m^2/s^4 0.556 m/s^2 1.113 m/s^2 0.394 (15.94) 0.655 (9.60) 0.600 (10.46) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.004 m 0.007 m 6.359 (0.99) 4.943 (1.27) 4.731 (1.33) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.010 m/s 6.212 (1.01) 4.127 (1.52) 3.942 (1.59) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.008 m/s^2 0.016 m/s^2 3.509 (1.79) 3.454 (1.82) 3.317 (1.89) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.004 m 0.007 m 6.282 (1.00) 4.769 (1.32) 4.598 (1.37) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.005 m/s 0.010 m/s 6.133 (1.02) 4.120 (1.52) 3.975 (1.58) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.008 m/s^2 0.015 m/s^2 3.509 (1.79) 3.559 (1.77) 3.398 (1.85) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.123 SM 0.011 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.003 m^2 0.052 m 0.104 m 6.534 (0.96) 6.144 (1.02) 5.999 (1.05) s (rad/s)
Bridge deck: Rel. vert. motion 0.004 m^2 0.061 m 0.122 m 6.339 (0.99) 4.071 (1.54) 3.451 (1.82) s (rad/s)
Bridge deck: Abs. vert. velocity 0.003 m^2/s^2 0.055 m/s 0.109 m/s 6.432 (0.98) 5.542 (1.13) 5.369 (1.17) s (rad/s)
Bridge deck: Rel. vert. velocity 0.012 m^2/s^2 0.111 m/s 0.222 m/s 6.197 (1.01) 1.682 (3.73) 1.256 (5.00) s (rad/s)
Bridge deck: Abs. vert. accel 0.004 m^2/s^4 0.064 m/s^2 0.128 m/s^2 6.293 (1.00) 4.838 (1.30) 4.646 (1.35) s (rad/s)
Bridge deck: Rel. vert. accel 0.310 m^2/s^4 0.556 m/s^2 1.113 m/s^2 0.394 (15.94) 0.655 (9.60) 0.600 (10.46) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.007 m 0.013 m 6.359 (0.99) 4.943 (1.27) 4.731 (1.33) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.009 m/s 0.018 m/s 6.212 (1.01) 4.127 (1.52) 3.942 (1.59) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.014 m/s^2 0.028 m/s^2 3.509 (1.79) 3.454 (1.82) 3.317 (1.89) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.006 m 0.013 m 6.282 (1.00) 4.769 (1.32) 4.598 (1.37) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.009 m/s 0.018 m/s 6.133 (1.02) 4.120 (1.52) 3.975 (1.58) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.014 m/s^2 0.028 m/s^2 3.509 (1.79) 3.559 (1.77) 3.398 (1.85) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.123 SM 0.011 % 0.000 % -- -- --

Design Speed, 17 kn; 3.451 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 3.451 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 6.517 (0.96) 4.854 (1.29) 4.064 (1.55) s (rad/s)
Added resistance 0.941 kN -- -- 6.462 (0.97) 5.207 (1.21) 4.817 (1.30) s (rad/s)
Heave motion 0.017 m^2 0.129 m 0.257 m 6.531 (0.96) 5.985 (1.05) 5.816 (1.08) s (rad/s)
Roll motion 0.00001 rad^2 0.00252 rad 0.00504 rad 6.306 (1.00) 4.769 (1.32) 4.597 (1.37) s (rad/s)
Pitch motion 0.00001 rad^2 0.00262 rad 0.00524 rad 6.376 (0.99) 4.947 (1.27) 4.733 (1.33) s (rad/s)
Heave velocity 0.019 m^2/s^2 0.139 m/s 0.278 m/s 6.423 (0.98) 5.280 (1.19) 5.072 (1.24) s (rad/s)
Roll velocity 0.00001 (rad/s)^2 0.00344 rad/s 0.00688 rad/s 3.755 (1.67) 4.118 (1.53) 3.973 (1.58) s (rad/s)
Pitch velocity 0.00001 (rad/s)^2 0.00348 rad/s 0.00695 rad/s 6.229 (1.01) 4.127 (1.52) 3.942 (1.59) s (rad/s)
Heave acceleration 0.030 m^2/s^4 0.172 m/s^2 0.344 m/s^2 6.282 (1.00) 4.446 (1.41) 4.226 (1.49) s (rad/s)
Roll acceleration 0.00003 (rad/s/s)^2 0.00544 rad/s/s 0.01089 rad/s/s 3.519 (1.79) 3.557 (1.77) 3.397 (1.85) s (rad/s)
Pitch acceleration 0.00003 (rad/s/s)^2 0.00554 rad/s/s 0.01108 rad/s/s 3.519 (1.79) 3.453 (1.82) 3.317 (1.89) s (rad/s)
passenger deck aft: Abs. vert. motion 0.021 m^2 0.143 m 0.286 m 6.519 (0.96) 5.881 (1.07) 5.699 (1.10) s (rad/s)
passenger deck aft: Rel. vert. motion 0.004 m^2 0.060 m 0.120 m 3.039 (2.07) 2.498 (2.52) 2.125 (2.96) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.025 m^2/s^2 0.158 m/s 0.316 m/s 6.410 (0.98) 5.121 (1.23) 4.900 (1.28) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.031 m^2/s^2 0.177 m/s 0.355 m/s 2.516 (2.50) 1.208 (5.20) 0.997 (6.30) s (rad/s)
passenger deck aft: Abs. vert. accel 0.041 m^2/s^4 0.202 m/s^2 0.405 m/s^2 6.266 (1.00) 4.247 (1.48) 4.027 (1.56) s (rad/s)
passenger deck aft: Rel. vert. accel 1.248 m^2/s^4 1.117 m/s^2 2.234 m/s^2 0.394 (15.94) 0.634 (9.91) 0.589 (10.66) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.007 m 0.015 m 6.376 (0.99) 4.949 (1.27) 4.736 (1.33) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.010 m/s 0.019 m/s 6.229 (1.01) 4.129 (1.52) 3.943 (1.59) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.015 m/s^2 0.031 m/s^2 3.519 (1.79) 3.454 (1.82) 3.317 (1.89) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.007 m 0.014 m 6.297 (1.00) 4.774 (1.32) 4.601 (1.37) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.010 m/s 0.019 m/s 6.148 (1.02) 4.122 (1.52) 3.976 (1.58) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.015 m/s^2 0.030 m/s^2 3.519 (1.79) 3.559 (1.77) 3.399 (1.85) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.628 SM 0.660 % 0.121 % -- -- --
passenger deck forward: Abs. vert. motion 0.011 m^2 0.104 m 0.209 m 6.551 (0.96) 6.157 (1.02) 6.011 (1.05) s (rad/s)
passenger deck forward: Rel. vert. motion 0.015 m^2 0.122 m 0.244 m 6.356 (0.99) 4.077 (1.54) 3.456 (1.82) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.012 m^2/s^2 0.109 m/s 0.218 m/s 6.449 (0.97) 5.552 (1.13) 5.377 (1.17) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.049 m^2/s^2 0.222 m/s 0.443 m/s 6.212 (1.01) 1.687 (3.72) 1.260 (4.99) s (rad/s)
passenger deck forward: Abs. vert. accel 0.016 m^2/s^4 0.127 m/s^2 0.255 m/s^2 6.310 (1.00) 4.842 (1.30) 4.650 (1.35) s (rad/s)
passenger deck forward: Rel. vert. accel 1.222 m^2/s^4 1.105 m/s^2 2.211 m/s^2 0.394 (15.94) 0.657 (9.56) 0.603 (10.42) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.007 m 0.015 m 6.376 (0.99) 4.949 (1.27) 4.736 (1.33) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.010 m/s 0.019 m/s 6.229 (1.01) 4.129 (1.52) 3.943 (1.59) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.015 m/s^2 0.031 m/s^2 3.519 (1.79) 3.454 (1.82) 3.317 (1.89) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.007 m 0.014 m 6.297 (1.00) 4.774 (1.32) 4.601 (1.37) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.010 m/s 0.019 m/s 6.148 (1.02) 4.122 (1.52) 3.976 (1.58) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.015 m/s^2 0.030 m/s^2 3.519 (1.79) 3.559 (1.77) 3.399 (1.85) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.330 SM 0.164 % 0.017 % -- -- --
Bridge deck: Abs. vert. motion 0.011 m^2 0.104 m 0.209 m 6.551 (0.96) 6.157 (1.02) 6.011 (1.05) s (rad/s)
Bridge deck: Rel. vert. motion 0.015 m^2 0.122 m 0.244 m 6.356 (0.99) 4.077 (1.54) 3.456 (1.82) s (rad/s)
Bridge deck: Abs. vert. velocity 0.012 m^2/s^2 0.109 m/s 0.218 m/s 6.449 (0.97) 5.552 (1.13) 5.377 (1.17) s (rad/s)
Bridge deck: Rel. vert. velocity 0.049 m^2/s^2 0.222 m/s 0.443 m/s 6.212 (1.01) 1.687 (3.72) 1.260 (4.99) s (rad/s)
Bridge deck: Abs. vert. accel 0.016 m^2/s^4 0.127 m/s^2 0.255 m/s^2 6.310 (1.00) 4.842 (1.30) 4.650 (1.35) s (rad/s)
Bridge deck: Rel. vert. accel 1.222 m^2/s^4 1.105 m/s^2 2.211 m/s^2 0.394 (15.94) 0.657 (9.56) 0.603 (10.42) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.013 m 0.027 m 6.376 (0.99) 4.949 (1.27) 4.736 (1.33) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.018 m/s 0.035 m/s 6.229 (1.01) 4.129 (1.52) 3.943 (1.59) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.001 m^2/s^4 0.028 m/s^2 0.056 m/s^2 3.519 (1.79) 3.454 (1.82) 3.317 (1.89) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.013 m 0.026 m 6.297 (1.00) 4.774 (1.32) 4.601 (1.37) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.018 m/s 0.035 m/s 6.148 (1.02) 4.122 (1.52) 3.976 (1.58) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.001 m^2/s^4 0.028 m/s^2 0.055 m/s^2 3.519 (1.79) 3.559 (1.77) 3.399 (1.85) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.330 SM 0.164 % 0.017 % -- -- --

Design Speed, 17 kn; 3.451 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.965 s -- -- -- -- --
Characteristic wave height 1.200 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 3.451 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.090 m^2 0.300 m 0.601 m 9.969 (0.63) 8.348 (0.75) 7.856 (0.80) s (rad/s)
Encountered wave spectrum 0.090 m^2 0.300 m 0.601 m 6.508 (0.97) 4.847 (1.30) 4.058 (1.55) s (rad/s)
Added resistance 3.766 kN -- -- 6.452 (0.97) 5.201 (1.21) 4.813 (1.31) s (rad/s)
Heave motion 0.066 m^2 0.257 m 0.514 m 6.521 (0.96) 5.978 (1.05) 5.810 (1.08) s (rad/s)
Roll motion 0.00003 rad^2 0.00504 rad 0.01009 rad 6.297 (1.00) 4.767 (1.32) 4.595 (1.37) s (rad/s)
Pitch motion 0.00003 rad^2 0.00524 rad 0.01049 rad 6.367 (0.99) 4.943 (1.27) 4.731 (1.33) s (rad/s)
Heave velocity 0.077 m^2/s^2 0.278 m/s 0.556 m/s 6.416 (0.98) 5.275 (1.19) 5.069 (1.24) s (rad/s)
Roll velocity 0.00005 (rad/s)^2 0.00690 rad/s 0.01379 rad/s 3.749 (1.68) 4.118 (1.53) 3.973 (1.58) s (rad/s)
Pitch velocity 0.00005 (rad/s)^2 0.00696 rad/s 0.01393 rad/s 6.220 (1.01) 4.126 (1.52) 3.941 (1.59) s (rad/s)
Heave acceleration 0.119 m^2/s^4 0.345 m/s^2 0.689 m/s^2 6.272 (1.00) 4.444 (1.41) 4.224 (1.49) s (rad/s)
Roll acceleration 0.00012 (rad/s/s)^2 0.01090 rad/s/s 0.02181 rad/s/s 3.514 (1.79) 3.557 (1.77) 3.397 (1.85) s (rad/s)
Pitch acceleration 0.00012 (rad/s/s)^2 0.01110 rad/s/s 0.02221 rad/s/s 3.514 (1.79) 3.453 (1.82) 3.316 (1.89) s (rad/s)
passenger deck aft: Abs. vert. motion 0.082 m^2 0.286 m 0.573 m 6.510 (0.97) 5.875 (1.07) 5.693 (1.10) s (rad/s)
passenger deck aft: Rel. vert. motion 0.014 m^2 0.120 m 0.240 m 3.034 (2.07) 2.497 (2.52) 2.124 (2.96) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.100 m^2/s^2 0.316 m/s 0.632 m/s 6.401 (0.98) 5.117 (1.23) 4.896 (1.28) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.126 m^2/s^2 0.355 m/s 0.711 m/s 2.539 (2.48) 1.206 (5.21) 0.996 (6.31) s (rad/s)
passenger deck aft: Abs. vert. accel 0.164 m^2/s^4 0.405 m/s^2 0.811 m/s^2 6.258 (1.00) 4.245 (1.48) 4.026 (1.56) s (rad/s)
passenger deck aft: Rel. vert. accel 5.028 m^2/s^4 2.242 m/s^2 4.484 m/s^2 0.393 (15.97) 0.633 (9.92) 0.588 (10.68) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.015 m 0.029 m 6.367 (0.99) 4.946 (1.27) 4.733 (1.33) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.019 m/s 0.039 m/s 6.220 (1.01) 4.128 (1.52) 3.942 (1.59) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.001 m^2/s^4 0.031 m/s^2 0.062 m/s^2 3.514 (1.79) 3.454 (1.82) 3.317 (1.89) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.014 m 0.028 m 6.290 (1.00) 4.771 (1.32) 4.599 (1.37) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.019 m/s 0.039 m/s 6.139 (1.02) 4.121 (1.52) 3.976 (1.58) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.001 m^2/s^4 0.030 m/s^2 0.061 m/s^2 3.514 (1.79) 3.559 (1.77) 3.399 (1.85) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 1.694 SM 4.232 % 1.596 % -- -- --
passenger deck forward: Abs. vert. motion 0.043 m^2 0.208 m 0.417 m 6.542 (0.96) 6.150 (1.02) 6.005 (1.05) s (rad/s)
passenger deck forward: Rel. vert. motion 0.060 m^2 0.244 m 0.488 m 6.347 (0.99) 4.073 (1.54) 3.453 (1.82) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.048 m^2/s^2 0.218 m/s 0.436 m/s 6.439 (0.98) 5.547 (1.13) 5.373 (1.17) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.197 m^2/s^2 0.444 m/s 0.888 m/s 6.203 (1.01) 1.684 (3.73) 1.258 (5.00) s (rad/s)
passenger deck forward: Abs. vert. accel 0.065 m^2/s^4 0.255 m/s^2 0.510 m/s^2 6.301 (1.00) 4.840 (1.30) 4.648 (1.35) s (rad/s)
passenger deck forward: Rel. vert. accel 4.923 m^2/s^4 2.219 m/s^2 4.437 m/s^2 0.393 (15.97) 0.656 (9.58) 0.602 (10.45) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.015 m 0.029 m 6.367 (0.99) 4.946 (1.27) 4.733 (1.33) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.019 m/s 0.039 m/s 6.220 (1.01) 4.128 (1.52) 3.942 (1.59) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.001 m^2/s^4 0.031 m/s^2 0.062 m/s^2 3.514 (1.79) 3.454 (1.82) 3.317 (1.89) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.014 m 0.028 m 6.290 (1.00) 4.771 (1.32) 4.599 (1.37) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.019 m/s 0.039 m/s 6.139 (1.02) 4.121 (1.52) 3.976 (1.58) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.001 m^2/s^4 0.030 m/s^2 0.061 m/s^2 3.514 (1.79) 3.559 (1.77) 3.399 (1.85) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.891 SM 1.440 % 0.369 % -- -- --
Bridge deck: Abs. vert. motion 0.043 m^2 0.208 m 0.417 m 6.542 (0.96) 6.150 (1.02) 6.005 (1.05) s (rad/s)
Bridge deck: Rel. vert. motion 0.060 m^2 0.244 m 0.488 m 6.347 (0.99) 4.073 (1.54) 3.453 (1.82) s (rad/s)
Bridge deck: Abs. vert. velocity 0.048 m^2/s^2 0.218 m/s 0.436 m/s 6.439 (0.98) 5.547 (1.13) 5.373 (1.17) s (rad/s)
Bridge deck: Rel. vert. velocity 0.197 m^2/s^2 0.444 m/s 0.888 m/s 6.203 (1.01) 1.684 (3.73) 1.258 (5.00) s (rad/s)
Bridge deck: Abs. vert. accel 0.065 m^2/s^4 0.255 m/s^2 0.510 m/s^2 6.301 (1.00) 4.840 (1.30) 4.648 (1.35) s (rad/s)
Bridge deck: Rel. vert. accel 4.923 m^2/s^4 2.219 m/s^2 4.437 m/s^2 0.393 (15.97) 0.656 (9.58) 0.602 (10.45) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.001 m^2 0.027 m 0.053 m 6.367 (0.99) 4.946 (1.27) 4.733 (1.33) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.001 m^2/s^2 0.035 m/s 0.071 m/s 6.220 (1.01) 4.128 (1.52) 3.942 (1.59) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.003 m^2/s^4 0.057 m/s^2 0.113 m/s^2 3.514 (1.79) 3.454 (1.82) 3.317 (1.89) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.001 m^2 0.026 m 0.051 m 6.290 (1.00) 4.771 (1.32) 4.599 (1.37) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.001 m^2/s^2 0.035 m/s 0.070 m/s 6.139 (1.02) 4.121 (1.52) 3.976 (1.58) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.003 m^2/s^4 0.056 m/s^2 0.111 m/s^2 3.514 (1.79) 3.559 (1.77) 3.399 (1.85) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.891 SM 1.440 % 0.369 % -- -- --

Design Speed, 17 kn; 3.451 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 2.000 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 3.451 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.251 m^2 0.501 m 1.001 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.251 m^2 0.501 m 1.001 m 6.517 (0.96) 4.854 (1.29) 4.064 (1.55) s (rad/s)
Added resistance 10.454 kN -- -- 6.462 (0.97) 5.207 (1.21) 4.817 (1.30) s (rad/s)
Heave motion 0.184 m^2 0.429 m 0.858 m 6.531 (0.96) 5.985 (1.05) 5.816 (1.08) s (rad/s)
Roll motion 0.00007 rad^2 0.00840 rad 0.01679 rad 6.306 (1.00) 4.769 (1.32) 4.597 (1.37) s (rad/s)
Pitch motion 0.00008 rad^2 0.00873 rad 0.01747 rad 6.376 (0.99) 4.947 (1.27) 4.733 (1.33) s (rad/s)
Heave velocity 0.215 m^2/s^2 0.463 m/s 0.926 m/s 6.423 (0.98) 5.280 (1.19) 5.072 (1.24) s (rad/s)
Roll velocity 0.00013 (rad/s)^2 0.01147 rad/s 0.02295 rad/s 3.755 (1.67) 4.118 (1.53) 3.973 (1.58) s (rad/s)
Pitch velocity 0.00013 (rad/s)^2 0.01159 rad/s 0.02318 rad/s 6.229 (1.01) 4.127 (1.52) 3.942 (1.59) s (rad/s)
Heave acceleration 0.329 m^2/s^4 0.574 m/s^2 1.147 m/s^2 6.282 (1.00) 4.446 (1.41) 4.226 (1.49) s (rad/s)
Roll acceleration 0.00033 (rad/s/s)^2 0.01814 rad/s/s 0.03629 rad/s/s 3.519 (1.79) 3.557 (1.77) 3.397 (1.85) s (rad/s)
Pitch acceleration 0.00034 (rad/s/s)^2 0.01847 rad/s/s 0.03695 rad/s/s 3.519 (1.79) 3.453 (1.82) 3.317 (1.89) s (rad/s)
passenger deck aft: Abs. vert. motion 0.228 m^2 0.477 m 0.955 m 6.519 (0.96) 5.881 (1.07) 5.699 (1.10) s (rad/s)
passenger deck aft: Rel. vert. motion 0.040 m^2 0.200 m 0.400 m 3.039 (2.07) 2.498 (2.52) 2.125 (2.96) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.277 m^2/s^2 0.526 m/s 1.052 m/s 6.410 (0.98) 5.121 (1.23) 4.900 (1.28) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.349 m^2/s^2 0.591 m/s 1.182 m/s 2.516 (2.50) 1.208 (5.20) 0.997 (6.30) s (rad/s)
passenger deck aft: Abs. vert. accel 0.455 m^2/s^4 0.675 m/s^2 1.349 m/s^2 6.266 (1.00) 4.247 (1.48) 4.027 (1.56) s (rad/s)
passenger deck aft: Rel. vert. accel 13.868 m^2/s^4 3.724 m/s^2 7.448 m/s^2 0.394 (15.94) 0.634 (9.91) 0.589 (10.66) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.001 m^2 0.024 m 0.049 m 6.376 (0.99) 4.949 (1.27) 4.736 (1.33) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.001 m^2/s^2 0.032 m/s 0.065 m/s 6.229 (1.01) 4.129 (1.52) 3.943 (1.59) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.003 m^2/s^4 0.052 m/s^2 0.103 m/s^2 3.519 (1.79) 3.454 (1.82) 3.317 (1.89) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.001 m^2 0.023 m 0.047 m 6.297 (1.00) 4.774 (1.32) 4.601 (1.37) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.001 m^2/s^2 0.032 m/s 0.064 m/s 6.148 (1.02) 4.122 (1.52) 3.976 (1.58) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.003 m^2/s^4 0.051 m/s^2 0.101 m/s^2 3.519 (1.79) 3.559 (1.77) 3.399 (1.85) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 3.511 SM 12.083 % 6.599 % -- -- --
passenger deck forward: Abs. vert. motion 0.121 m^2 0.348 m 0.696 m 6.551 (0.96) 6.157 (1.02) 6.011 (1.05) s (rad/s)
passenger deck forward: Rel. vert. motion 0.165 m^2 0.407 m 0.813 m 6.356 (0.99) 4.077 (1.54) 3.456 (1.82) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.132 m^2/s^2 0.363 m/s 0.727 m/s 6.449 (0.97) 5.552 (1.13) 5.377 (1.17) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.546 m^2/s^2 0.739 m/s 1.478 m/s 6.212 (1.01) 1.687 (3.72) 1.260 (4.99) s (rad/s)
passenger deck forward: Abs. vert. accel 0.180 m^2/s^4 0.425 m/s^2 0.849 m/s^2 6.310 (1.00) 4.842 (1.30) 4.650 (1.35) s (rad/s)
passenger deck forward: Rel. vert. accel 13.576 m^2/s^4 3.685 m/s^2 7.369 m/s^2 0.394 (15.94) 0.657 (9.56) 0.603 (10.42) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.001 m^2 0.024 m 0.049 m 6.376 (0.99) 4.949 (1.27) 4.736 (1.33) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.001 m^2/s^2 0.032 m/s 0.065 m/s 6.229 (1.01) 4.129 (1.52) 3.943 (1.59) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.003 m^2/s^4 0.052 m/s^2 0.103 m/s^2 3.519 (1.79) 3.454 (1.82) 3.317 (1.89) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.001 m^2 0.023 m 0.047 m 6.297 (1.00) 4.774 (1.32) 4.601 (1.37) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.001 m^2/s^2 0.032 m/s 0.064 m/s 6.148 (1.02) 4.122 (1.52) 3.976 (1.58) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.003 m^2/s^4 0.051 m/s^2 0.101 m/s^2 3.519 (1.79) 3.559 (1.77) 3.399 (1.85) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 1.846 SM 5.128 % 2.119 % -- -- --
Bridge deck: Abs. vert. motion 0.121 m^2 0.348 m 0.696 m 6.551 (0.96) 6.157 (1.02) 6.011 (1.05) s (rad/s)
Bridge deck: Rel. vert. motion 0.165 m^2 0.407 m 0.813 m 6.356 (0.99) 4.077 (1.54) 3.456 (1.82) s (rad/s)
Bridge deck: Abs. vert. velocity 0.132 m^2/s^2 0.363 m/s 0.727 m/s 6.449 (0.97) 5.552 (1.13) 5.377 (1.17) s (rad/s)
Bridge deck: Rel. vert. velocity 0.546 m^2/s^2 0.739 m/s 1.478 m/s 6.212 (1.01) 1.687 (3.72) 1.260 (4.99) s (rad/s)
Bridge deck: Abs. vert. accel 0.180 m^2/s^4 0.425 m/s^2 0.849 m/s^2 6.310 (1.00) 4.842 (1.30) 4.650 (1.35) s (rad/s)
Bridge deck: Rel. vert. accel 13.576 m^2/s^4 3.685 m/s^2 7.369 m/s^2 0.394 (15.94) 0.657 (9.56) 0.603 (10.42) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.002 m^2 0.044 m 0.089 m 6.376 (0.99) 4.949 (1.27) 4.736 (1.33) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.003 m^2/s^2 0.059 m/s 0.118 m/s 6.229 (1.01) 4.129 (1.52) 3.943 (1.59) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.009 m^2/s^4 0.094 m/s^2 0.188 m/s^2 3.519 (1.79) 3.454 (1.82) 3.317 (1.89) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.002 m^2 0.043 m 0.086 m 6.297 (1.00) 4.774 (1.32) 4.601 (1.37) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.003 m^2/s^2 0.058 m/s 0.117 m/s 6.148 (1.02) 4.122 (1.52) 3.976 (1.58) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.009 m^2/s^4 0.092 m/s^2 0.185 m/s^2 3.519 (1.79) 3.559 (1.77) 3.399 (1.85) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 1.846 SM 5.128 % 2.119 % -- -- --

Design Speed, 17 kn; 3.717 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.956 s -- -- -- -- --
Characteristic wave height 0.300 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 3.717 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.006 m^2 0.075 m 0.150 m 9.960 (0.63) 8.340 (0.75) 7.849 (0.80) s (rad/s)
Encountered wave spectrum 0.006 m^2 0.075 m 0.150 m 6.781 (0.93) 5.095 (1.23) 4.308 (1.46) s (rad/s)
Added resistance 0.237 kN -- -- 6.713 (0.94) 5.385 (1.17) 4.963 (1.27) s (rad/s)
Heave motion 0.004 m^2 0.064 m 0.127 m 6.798 (0.92) 6.241 (1.01) 6.071 (1.03) s (rad/s)
Roll motion 0.00000 rad^2 0.00222 rad 0.00443 rad 6.564 (0.96) 4.966 (1.27) 4.783 (1.31) s (rad/s)
Pitch motion 0.00000 rad^2 0.00123 rad 0.00246 rad 6.624 (0.95) 5.203 (1.21) 4.981 (1.26) s (rad/s)
Heave velocity 0.004 m^2/s^2 0.066 m/s 0.132 m/s 6.676 (0.94) 5.527 (1.14) 5.315 (1.18) s (rad/s)
Roll velocity 0.00001 (rad/s)^2 0.00291 rad/s 0.00582 rad/s 6.424 (0.98) 4.274 (1.47) 4.118 (1.53) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00155 rad/s 0.00310 rad/s 6.485 (0.97) 4.342 (1.45) 4.142 (1.52) s (rad/s)
Heave acceleration 0.006 m^2/s^4 0.078 m/s^2 0.156 m/s^2 6.534 (0.96) 4.666 (1.35) 4.430 (1.42) s (rad/s)
Roll acceleration 0.00002 (rad/s/s)^2 0.00444 rad/s/s 0.00888 rad/s/s 3.709 (1.69) 3.668 (1.71) 3.501 (1.79) s (rad/s)
Pitch acceleration 0.00001 (rad/s/s)^2 0.00235 rad/s/s 0.00470 rad/s/s 3.531 (1.78) 3.611 (1.74) 3.458 (1.82) s (rad/s)
passenger deck aft: Abs. vert. motion 0.005 m^2 0.071 m 0.142 m 6.789 (0.93) 6.148 (1.02) 5.965 (1.05) s (rad/s)
passenger deck aft: Rel. vert. motion 0.001 m^2 0.029 m 0.058 m 3.177 (1.98) 2.600 (2.42) 2.230 (2.82) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.006 m^2/s^2 0.075 m/s 0.149 m/s 6.661 (0.94) 5.381 (1.17) 5.155 (1.22) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.007 m^2/s^2 0.082 m/s 0.164 m/s 2.538 (2.48) 1.308 (4.81) 1.088 (5.78) s (rad/s)
passenger deck aft: Abs. vert. accel 0.008 m^2/s^4 0.091 m/s^2 0.182 m/s^2 6.517 (0.96) 4.475 (1.40) 4.236 (1.48) s (rad/s)
passenger deck aft: Rel. vert. accel 0.224 m^2/s^4 0.474 m/s^2 0.947 m/s^2 0.446 (14.09) 0.700 (8.98) 0.649 (9.67) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.003 m 0.007 m 6.624 (0.95) 5.205 (1.21) 4.983 (1.26) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.004 m/s 0.009 m/s 6.485 (0.97) 4.343 (1.45) 4.143 (1.52) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.007 m/s^2 0.013 m/s^2 3.531 (1.78) 3.612 (1.74) 3.458 (1.82) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.006 m 0.012 m 6.577 (0.96) 4.971 (1.26) 4.788 (1.31) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.008 m/s 0.016 m/s 6.412 (0.98) 4.278 (1.47) 4.121 (1.52) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.012 m/s^2 0.025 m/s^2 3.709 (1.69) 3.671 (1.71) 3.503 (1.79) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.202 SM 0.045 % 0.003 % -- -- --
passenger deck forward: Abs. vert. motion 0.003 m^2 0.052 m 0.103 m 6.818 (0.92) 6.400 (0.98) 6.249 (1.01) s (rad/s)
passenger deck forward: Rel. vert. motion 0.003 m^2 0.057 m 0.115 m 6.630 (0.95) 4.196 (1.50) 3.563 (1.76) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.003 m^2/s^2 0.052 m/s 0.104 m/s 6.706 (0.94) 5.772 (1.09) 5.590 (1.12) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.010 m^2/s^2 0.101 m/s 0.203 m/s 6.477 (0.97) 1.787 (3.52) 1.355 (4.64) s (rad/s)
passenger deck forward: Abs. vert. accel 0.003 m^2/s^4 0.058 m/s^2 0.116 m/s^2 6.568 (0.96) 5.030 (1.25) 4.827 (1.30) s (rad/s)
passenger deck forward: Rel. vert. accel 0.221 m^2/s^4 0.470 m/s^2 0.940 m/s^2 0.446 (14.09) 0.725 (8.67) 0.665 (9.45) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.003 m 0.007 m 6.624 (0.95) 5.205 (1.21) 4.983 (1.26) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.004 m/s 0.009 m/s 6.485 (0.97) 4.343 (1.45) 4.143 (1.52) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.007 m/s^2 0.013 m/s^2 3.531 (1.78) 3.612 (1.74) 3.458 (1.82) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.006 m 0.012 m 6.577 (0.96) 4.971 (1.26) 4.788 (1.31) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.008 m/s 0.016 m/s 6.412 (0.98) 4.278 (1.47) 4.121 (1.52) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.012 m/s^2 0.025 m/s^2 3.709 (1.69) 3.671 (1.71) 3.503 (1.79) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.108 SM 0.008 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.003 m^2 0.052 m 0.103 m 6.818 (0.92) 6.400 (0.98) 6.249 (1.01) s (rad/s)
Bridge deck: Rel. vert. motion 0.003 m^2 0.057 m 0.115 m 6.630 (0.95) 4.196 (1.50) 3.563 (1.76) s (rad/s)
Bridge deck: Abs. vert. velocity 0.003 m^2/s^2 0.052 m/s 0.104 m/s 6.706 (0.94) 5.772 (1.09) 5.590 (1.12) s (rad/s)
Bridge deck: Rel. vert. velocity 0.010 m^2/s^2 0.101 m/s 0.203 m/s 6.477 (0.97) 1.787 (3.52) 1.355 (4.64) s (rad/s)
Bridge deck: Abs. vert. accel 0.003 m^2/s^4 0.058 m/s^2 0.116 m/s^2 6.568 (0.96) 5.030 (1.25) 4.827 (1.30) s (rad/s)
Bridge deck: Rel. vert. accel 0.221 m^2/s^4 0.470 m/s^2 0.940 m/s^2 0.446 (14.09) 0.725 (8.67) 0.665 (9.45) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.006 m 0.013 m 6.624 (0.95) 5.205 (1.21) 4.983 (1.26) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.008 m/s 0.016 m/s 6.485 (0.97) 4.343 (1.45) 4.143 (1.52) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.012 m/s^2 0.024 m/s^2 3.531 (1.78) 3.612 (1.74) 3.458 (1.82) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.011 m 0.023 m 6.577 (0.96) 4.971 (1.26) 4.788 (1.31) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.015 m/s 0.030 m/s 6.412 (0.98) 4.278 (1.47) 4.121 (1.52) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.001 m^2/s^4 0.023 m/s^2 0.045 m/s^2 3.709 (1.69) 3.671 (1.71) 3.503 (1.79) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.108 SM 0.008 % 0.000 % -- -- --

Design Speed, 17 kn; 3.717 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 3.717 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 6.797 (0.92) 5.108 (1.23) 4.321 (1.45) s (rad/s)
Added resistance 0.947 kN -- -- 6.731 (0.93) 5.395 (1.16) 4.972 (1.26) s (rad/s)
Heave motion 0.016 m^2 0.128 m 0.255 m 6.814 (0.92) 6.254 (1.00) 6.083 (1.03) s (rad/s)
Roll motion 0.00002 rad^2 0.00442 rad 0.00884 rad 6.580 (0.95) 4.971 (1.26) 4.787 (1.31) s (rad/s)
Pitch motion 0.00001 rad^2 0.00245 rad 0.00491 rad 6.642 (0.95) 5.210 (1.21) 4.986 (1.26) s (rad/s)
Heave velocity 0.017 m^2/s^2 0.132 m/s 0.264 m/s 6.693 (0.94) 5.536 (1.14) 5.322 (1.18) s (rad/s)
Roll velocity 0.00003 (rad/s)^2 0.00580 rad/s 0.01160 rad/s 6.441 (0.98) 4.276 (1.47) 4.119 (1.53) s (rad/s)
Pitch velocity 0.00001 (rad/s)^2 0.00309 rad/s 0.00618 rad/s 6.492 (0.97) 4.344 (1.45) 4.144 (1.52) s (rad/s)
Heave acceleration 0.024 m^2/s^4 0.156 m/s^2 0.311 m/s^2 6.551 (0.96) 4.670 (1.35) 4.433 (1.42) s (rad/s)
Roll acceleration 0.00008 (rad/s/s)^2 0.00885 rad/s/s 0.01770 rad/s/s 3.720 (1.69) 3.669 (1.71) 3.502 (1.79) s (rad/s)
Pitch acceleration 0.00002 (rad/s/s)^2 0.00469 rad/s/s 0.00937 rad/s/s 3.541 (1.77) 3.612 (1.74) 3.458 (1.82) s (rad/s)
passenger deck aft: Abs. vert. motion 0.020 m^2 0.142 m 0.284 m 6.805 (0.92) 6.160 (1.02) 5.976 (1.05) s (rad/s)
passenger deck aft: Rel. vert. motion 0.003 m^2 0.058 m 0.116 m 3.186 (1.97) 2.602 (2.41) 2.232 (2.81) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.022 m^2/s^2 0.149 m/s 0.298 m/s 6.679 (0.94) 5.389 (1.17) 5.161 (1.22) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.027 m^2/s^2 0.163 m/s 0.327 m/s 2.624 (2.39) 1.310 (4.80) 1.091 (5.76) s (rad/s)
passenger deck aft: Abs. vert. accel 0.033 m^2/s^4 0.181 m/s^2 0.363 m/s^2 6.535 (0.96) 4.478 (1.40) 4.239 (1.48) s (rad/s)
passenger deck aft: Rel. vert. accel 0.886 m^2/s^4 0.941 m/s^2 1.882 m/s^2 0.446 (14.10) 0.702 (8.95) 0.652 (9.64) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.007 m 0.014 m 6.642 (0.95) 5.212 (1.21) 4.988 (1.26) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.009 m/s 0.017 m/s 6.495 (0.97) 4.346 (1.45) 4.145 (1.52) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.013 m/s^2 0.026 m/s^2 3.541 (1.77) 3.612 (1.74) 3.459 (1.82) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.012 m 0.025 m 6.592 (0.95) 4.976 (1.26) 4.792 (1.31) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.016 m/s 0.032 m/s 6.427 (0.98) 4.280 (1.47) 4.122 (1.52) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.001 m^2/s^4 0.025 m/s^2 0.049 m/s^2 3.720 (1.69) 3.671 (1.71) 3.503 (1.79) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.543 SM 0.506 % 0.084 % -- -- --
passenger deck forward: Abs. vert. motion 0.011 m^2 0.103 m 0.206 m 6.834 (0.92) 6.413 (0.98) 6.261 (1.00) s (rad/s)
passenger deck forward: Rel. vert. motion 0.013 m^2 0.115 m 0.229 m 6.647 (0.95) 4.202 (1.50) 3.568 (1.76) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.011 m^2/s^2 0.104 m/s 0.207 m/s 6.723 (0.93) 5.782 (1.09) 5.598 (1.12) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.041 m^2/s^2 0.202 m/s 0.404 m/s 6.503 (0.97) 1.791 (3.51) 1.359 (4.62) s (rad/s)
passenger deck forward: Abs. vert. accel 0.013 m^2/s^4 0.116 m/s^2 0.232 m/s^2 6.583 (0.95) 5.035 (1.25) 4.831 (1.30) s (rad/s)
passenger deck forward: Rel. vert. accel 0.872 m^2/s^4 0.934 m/s^2 1.868 m/s^2 0.446 (14.10) 0.727 (8.64) 0.667 (9.42) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.007 m 0.014 m 6.642 (0.95) 5.212 (1.21) 4.988 (1.26) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.009 m/s 0.017 m/s 6.495 (0.97) 4.346 (1.45) 4.145 (1.52) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.013 m/s^2 0.026 m/s^2 3.541 (1.77) 3.612 (1.74) 3.459 (1.82) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.012 m 0.025 m 6.592 (0.95) 4.976 (1.26) 4.792 (1.31) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.016 m/s 0.032 m/s 6.427 (0.98) 4.280 (1.47) 4.122 (1.52) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.001 m^2/s^4 0.025 m/s^2 0.049 m/s^2 3.720 (1.69) 3.671 (1.71) 3.503 (1.79) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.291 SM 0.123 % 0.012 % -- -- --
Bridge deck: Abs. vert. motion 0.011 m^2 0.103 m 0.206 m 6.834 (0.92) 6.413 (0.98) 6.261 (1.00) s (rad/s)
Bridge deck: Rel. vert. motion 0.013 m^2 0.115 m 0.229 m 6.647 (0.95) 4.202 (1.50) 3.568 (1.76) s (rad/s)
Bridge deck: Abs. vert. velocity 0.011 m^2/s^2 0.104 m/s 0.207 m/s 6.723 (0.93) 5.782 (1.09) 5.598 (1.12) s (rad/s)
Bridge deck: Rel. vert. velocity 0.041 m^2/s^2 0.202 m/s 0.404 m/s 6.503 (0.97) 1.791 (3.51) 1.359 (4.62) s (rad/s)
Bridge deck: Abs. vert. accel 0.013 m^2/s^4 0.116 m/s^2 0.232 m/s^2 6.583 (0.95) 5.035 (1.25) 4.831 (1.30) s (rad/s)
Bridge deck: Rel. vert. accel 0.872 m^2/s^4 0.934 m/s^2 1.868 m/s^2 0.446 (14.10) 0.727 (8.64) 0.667 (9.42) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.012 m 0.025 m 6.642 (0.95) 5.212 (1.21) 4.988 (1.26) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.016 m/s 0.031 m/s 6.495 (0.97) 4.346 (1.45) 4.145 (1.52) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.001 m^2/s^4 0.024 m/s^2 0.048 m/s^2 3.541 (1.77) 3.612 (1.74) 3.459 (1.82) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.001 m^2 0.023 m 0.045 m 6.592 (0.95) 4.976 (1.26) 4.792 (1.31) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.001 m^2/s^2 0.030 m/s 0.059 m/s 6.427 (0.98) 4.280 (1.47) 4.122 (1.52) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.002 m^2/s^4 0.045 m/s^2 0.090 m/s^2 3.720 (1.69) 3.671 (1.71) 3.503 (1.79) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.291 SM 0.123 % 0.012 % -- -- --

Design Speed, 17 kn; 3.717 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.965 s -- -- -- -- --
Characteristic wave height 1.200 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 3.717 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.090 m^2 0.300 m 0.601 m 9.969 (0.63) 8.348 (0.75) 7.856 (0.80) s (rad/s)
Encountered wave spectrum 0.090 m^2 0.300 m 0.601 m 6.789 (0.93) 5.101 (1.23) 4.314 (1.46) s (rad/s)
Added resistance 3.790 kN -- -- 6.721 (0.93) 5.389 (1.17) 4.967 (1.27) s (rad/s)
Heave motion 0.065 m^2 0.255 m 0.510 m 6.805 (0.92) 6.247 (1.01) 6.076 (1.03) s (rad/s)
Roll motion 0.00008 rad^2 0.00885 rad 0.01770 rad 6.572 (0.96) 4.968 (1.26) 4.785 (1.31) s (rad/s)
Pitch motion 0.00002 rad^2 0.00491 rad 0.00982 rad 6.632 (0.95) 5.206 (1.21) 4.983 (1.26) s (rad/s)
Heave velocity 0.070 m^2/s^2 0.264 m/s 0.527 m/s 6.684 (0.94) 5.531 (1.14) 5.318 (1.18) s (rad/s)
Roll velocity 0.00014 (rad/s)^2 0.01162 rad/s 0.02324 rad/s 6.432 (0.98) 4.275 (1.47) 4.118 (1.53) s (rad/s)
Pitch velocity 0.00004 (rad/s)^2 0.00619 rad/s 0.01238 rad/s 6.486 (0.97) 4.343 (1.45) 4.143 (1.52) s (rad/s)
Heave acceleration 0.097 m^2/s^4 0.311 m/s^2 0.623 m/s^2 6.541 (0.96) 4.667 (1.35) 4.431 (1.42) s (rad/s)
Roll acceleration 0.00031 (rad/s/s)^2 0.01773 rad/s/s 0.03546 rad/s/s 3.714 (1.69) 3.669 (1.71) 3.501 (1.79) s (rad/s)
Pitch acceleration 0.00009 (rad/s/s)^2 0.00939 rad/s/s 0.01878 rad/s/s 3.536 (1.78) 3.611 (1.74) 3.458 (1.82) s (rad/s)
passenger deck aft: Abs. vert. motion 0.080 m^2 0.283 m 0.567 m 6.797 (0.92) 6.154 (1.02) 5.970 (1.05) s (rad/s)
passenger deck aft: Rel. vert. motion 0.014 m^2 0.116 m 0.233 m 3.181 (1.98) 2.601 (2.42) 2.231 (2.82) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.089 m^2/s^2 0.298 m/s 0.596 m/s 6.669 (0.94) 5.385 (1.17) 5.158 (1.22) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.107 m^2/s^2 0.327 m/s 0.655 m/s 2.541 (2.47) 1.309 (4.80) 1.089 (5.77) s (rad/s)
passenger deck aft: Abs. vert. accel 0.132 m^2/s^4 0.363 m/s^2 0.726 m/s^2 6.525 (0.96) 4.476 (1.40) 4.238 (1.48) s (rad/s)
passenger deck aft: Rel. vert. accel 3.567 m^2/s^4 1.889 m/s^2 3.778 m/s^2 0.445 (14.12) 0.701 (8.97) 0.651 (9.66) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.014 m 0.027 m 6.632 (0.95) 5.208 (1.21) 4.985 (1.26) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.017 m/s 0.035 m/s 6.486 (0.97) 4.344 (1.45) 4.144 (1.52) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.001 m^2/s^4 0.026 m/s^2 0.052 m/s^2 3.536 (1.78) 3.612 (1.74) 3.458 (1.82) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.001 m^2 0.025 m 0.050 m 6.585 (0.95) 4.973 (1.26) 4.790 (1.31) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.001 m^2/s^2 0.032 m/s 0.065 m/s 6.419 (0.98) 4.279 (1.47) 4.122 (1.52) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.002 m^2/s^4 0.050 m/s^2 0.099 m/s^2 3.714 (1.69) 3.671 (1.71) 3.503 (1.79) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 1.467 SM 3.452 % 1.224 % -- -- --
passenger deck forward: Abs. vert. motion 0.043 m^2 0.206 m 0.412 m 6.824 (0.92) 6.406 (0.98) 6.254 (1.00) s (rad/s)
passenger deck forward: Rel. vert. motion 0.053 m^2 0.230 m 0.459 m 6.638 (0.95) 4.199 (1.50) 3.565 (1.76) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.043 m^2/s^2 0.207 m/s 0.414 m/s 6.714 (0.94) 5.777 (1.09) 5.594 (1.12) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.164 m^2/s^2 0.405 m/s 0.810 m/s 6.495 (0.97) 1.789 (3.51) 1.357 (4.63) s (rad/s)
passenger deck forward: Abs. vert. accel 0.054 m^2/s^4 0.233 m/s^2 0.465 m/s^2 6.576 (0.96) 5.033 (1.25) 4.829 (1.30) s (rad/s)
passenger deck forward: Rel. vert. accel 3.511 m^2/s^4 1.874 m/s^2 3.747 m/s^2 0.445 (14.12) 0.726 (8.65) 0.666 (9.44) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.014 m 0.027 m 6.632 (0.95) 5.208 (1.21) 4.985 (1.26) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.017 m/s 0.035 m/s 6.486 (0.97) 4.344 (1.45) 4.144 (1.52) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.001 m^2/s^4 0.026 m/s^2 0.052 m/s^2 3.536 (1.78) 3.612 (1.74) 3.458 (1.82) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.001 m^2 0.025 m 0.050 m 6.585 (0.95) 4.973 (1.26) 4.790 (1.31) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.001 m^2/s^2 0.032 m/s 0.065 m/s 6.419 (0.98) 4.279 (1.47) 4.122 (1.52) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.002 m^2/s^4 0.050 m/s^2 0.099 m/s^2 3.714 (1.69) 3.671 (1.71) 3.503 (1.79) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.784 SM 1.148 % 0.271 % -- -- --
Bridge deck: Abs. vert. motion 0.043 m^2 0.206 m 0.412 m 6.824 (0.92) 6.406 (0.98) 6.254 (1.00) s (rad/s)
Bridge deck: Rel. vert. motion 0.053 m^2 0.230 m 0.459 m 6.638 (0.95) 4.199 (1.50) 3.565 (1.76) s (rad/s)
Bridge deck: Abs. vert. velocity 0.043 m^2/s^2 0.207 m/s 0.414 m/s 6.714 (0.94) 5.777 (1.09) 5.594 (1.12) s (rad/s)
Bridge deck: Rel. vert. velocity 0.164 m^2/s^2 0.405 m/s 0.810 m/s 6.495 (0.97) 1.789 (3.51) 1.357 (4.63) s (rad/s)
Bridge deck: Abs. vert. accel 0.054 m^2/s^4 0.233 m/s^2 0.465 m/s^2 6.576 (0.96) 5.033 (1.25) 4.829 (1.30) s (rad/s)
Bridge deck: Rel. vert. accel 3.511 m^2/s^4 1.874 m/s^2 3.747 m/s^2 0.445 (14.12) 0.726 (8.65) 0.666 (9.44) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.001 m^2 0.025 m 0.050 m 6.632 (0.95) 5.208 (1.21) 4.985 (1.26) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.001 m^2/s^2 0.032 m/s 0.063 m/s 6.486 (0.97) 4.344 (1.45) 4.144 (1.52) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.002 m^2/s^4 0.048 m/s^2 0.096 m/s^2 3.536 (1.78) 3.612 (1.74) 3.458 (1.82) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.002 m^2 0.045 m 0.090 m 6.585 (0.95) 4.973 (1.26) 4.790 (1.31) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.004 m^2/s^2 0.059 m/s 0.118 m/s 6.419 (0.98) 4.279 (1.47) 4.122 (1.52) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.008 m^2/s^4 0.090 m/s^2 0.181 m/s^2 3.714 (1.69) 3.671 (1.71) 3.503 (1.79) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.784 SM 1.148 % 0.271 % -- -- --

Design Speed, 17 kn; 3.717 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 2.000 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 3.717 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.251 m^2 0.501 m 1.001 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.251 m^2 0.501 m 1.001 m 6.797 (0.92) 5.108 (1.23) 4.321 (1.45) s (rad/s)
Added resistance 10.520 kN -- -- 6.731 (0.93) 5.395 (1.16) 4.972 (1.26) s (rad/s)
Heave motion 0.181 m^2 0.425 m 0.851 m 6.814 (0.92) 6.254 (1.00) 6.083 (1.03) s (rad/s)
Roll motion 0.00022 rad^2 0.01474 rad 0.02947 rad 6.580 (0.95) 4.971 (1.26) 4.787 (1.31) s (rad/s)
Pitch motion 0.00007 rad^2 0.00818 rad 0.01635 rad 6.642 (0.95) 5.210 (1.21) 4.986 (1.26) s (rad/s)
Heave velocity 0.193 m^2/s^2 0.439 m/s 0.878 m/s 6.693 (0.94) 5.536 (1.14) 5.322 (1.18) s (rad/s)
Roll velocity 0.00037 (rad/s)^2 0.01934 rad/s 0.03868 rad/s 6.441 (0.98) 4.276 (1.47) 4.119 (1.53) s (rad/s)
Pitch velocity 0.00011 (rad/s)^2 0.01030 rad/s 0.02060 rad/s 6.492 (0.97) 4.344 (1.45) 4.144 (1.52) s (rad/s)
Heave acceleration 0.269 m^2/s^4 0.518 m/s^2 1.037 m/s^2 6.551 (0.96) 4.670 (1.35) 4.433 (1.42) s (rad/s)
Roll acceleration 0.00087 (rad/s/s)^2 0.02950 rad/s/s 0.05900 rad/s/s 3.720 (1.69) 3.669 (1.71) 3.502 (1.79) s (rad/s)
Pitch acceleration 0.00024 (rad/s/s)^2 0.01562 rad/s/s 0.03124 rad/s/s 3.541 (1.77) 3.612 (1.74) 3.458 (1.82) s (rad/s)
passenger deck aft: Abs. vert. motion 0.223 m^2 0.473 m 0.945 m 6.805 (0.92) 6.160 (1.02) 5.976 (1.05) s (rad/s)
passenger deck aft: Rel. vert. motion 0.037 m^2 0.193 m 0.387 m 3.186 (1.97) 2.602 (2.41) 2.232 (2.81) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.247 m^2/s^2 0.497 m/s 0.993 m/s 6.679 (0.94) 5.389 (1.17) 5.161 (1.22) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.297 m^2/s^2 0.545 m/s 1.089 m/s 2.624 (2.39) 1.310 (4.80) 1.091 (5.76) s (rad/s)
passenger deck aft: Abs. vert. accel 0.365 m^2/s^4 0.604 m/s^2 1.209 m/s^2 6.535 (0.96) 4.478 (1.40) 4.239 (1.48) s (rad/s)
passenger deck aft: Rel. vert. accel 9.842 m^2/s^4 3.137 m/s^2 6.275 m/s^2 0.446 (14.10) 0.702 (8.95) 0.652 (9.64) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.001 m^2 0.023 m 0.046 m 6.642 (0.95) 5.212 (1.21) 4.988 (1.26) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.001 m^2/s^2 0.029 m/s 0.058 m/s 6.495 (0.97) 4.346 (1.45) 4.145 (1.52) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.002 m^2/s^4 0.044 m/s^2 0.087 m/s^2 3.541 (1.77) 3.612 (1.74) 3.459 (1.82) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.002 m^2 0.041 m 0.082 m 6.592 (0.95) 4.976 (1.26) 4.792 (1.31) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.003 m^2/s^2 0.054 m/s 0.108 m/s 6.427 (0.98) 4.280 (1.47) 4.122 (1.52) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.007 m^2/s^4 0.082 m/s^2 0.165 m/s^2 3.720 (1.69) 3.671 (1.71) 3.503 (1.79) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 3.039 SM 10.299 % 5.388 % -- -- --
passenger deck forward: Abs. vert. motion 0.118 m^2 0.344 m 0.688 m 6.834 (0.92) 6.413 (0.98) 6.261 (1.00) s (rad/s)
passenger deck forward: Rel. vert. motion 0.146 m^2 0.382 m 0.765 m 6.647 (0.95) 4.202 (1.50) 3.568 (1.76) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.119 m^2/s^2 0.345 m/s 0.690 m/s 6.723 (0.93) 5.782 (1.09) 5.598 (1.12) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.453 m^2/s^2 0.673 m/s 1.347 m/s 6.503 (0.97) 1.791 (3.51) 1.359 (4.62) s (rad/s)
passenger deck forward: Abs. vert. accel 0.150 m^2/s^4 0.387 m/s^2 0.774 m/s^2 6.583 (0.95) 5.035 (1.25) 4.831 (1.30) s (rad/s)
passenger deck forward: Rel. vert. accel 9.688 m^2/s^4 3.113 m/s^2 6.225 m/s^2 0.446 (14.10) 0.727 (8.64) 0.667 (9.42) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.001 m^2 0.023 m 0.046 m 6.642 (0.95) 5.212 (1.21) 4.988 (1.26) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.001 m^2/s^2 0.029 m/s 0.058 m/s 6.495 (0.97) 4.346 (1.45) 4.145 (1.52) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.002 m^2/s^4 0.044 m/s^2 0.087 m/s^2 3.541 (1.77) 3.612 (1.74) 3.459 (1.82) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.002 m^2 0.041 m 0.082 m 6.592 (0.95) 4.976 (1.26) 4.792 (1.31) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.003 m^2/s^2 0.054 m/s 0.108 m/s 6.427 (0.98) 4.280 (1.47) 4.122 (1.52) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.007 m^2/s^4 0.082 m/s^2 0.165 m/s^2 3.720 (1.69) 3.671 (1.71) 3.503 (1.79) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 1.625 SM 4.266 % 1.660 % -- -- --
Bridge deck: Abs. vert. motion 0.118 m^2 0.344 m 0.688 m 6.834 (0.92) 6.413 (0.98) 6.261 (1.00) s (rad/s)
Bridge deck: Rel. vert. motion 0.146 m^2 0.382 m 0.765 m 6.647 (0.95) 4.202 (1.50) 3.568 (1.76) s (rad/s)
Bridge deck: Abs. vert. velocity 0.119 m^2/s^2 0.345 m/s 0.690 m/s 6.723 (0.93) 5.782 (1.09) 5.598 (1.12) s (rad/s)
Bridge deck: Rel. vert. velocity 0.453 m^2/s^2 0.673 m/s 1.347 m/s 6.503 (0.97) 1.791 (3.51) 1.359 (4.62) s (rad/s)
Bridge deck: Abs. vert. accel 0.150 m^2/s^4 0.387 m/s^2 0.774 m/s^2 6.583 (0.95) 5.035 (1.25) 4.831 (1.30) s (rad/s)
Bridge deck: Rel. vert. accel 9.688 m^2/s^4 3.113 m/s^2 6.225 m/s^2 0.446 (14.10) 0.727 (8.64) 0.667 (9.42) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.002 m^2 0.042 m 0.083 m 6.642 (0.95) 5.212 (1.21) 4.988 (1.26) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.003 m^2/s^2 0.052 m/s 0.105 m/s 6.495 (0.97) 4.346 (1.45) 4.145 (1.52) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.006 m^2/s^4 0.079 m/s^2 0.159 m/s^2 3.541 (1.77) 3.612 (1.74) 3.459 (1.82) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.006 m^2 0.075 m 0.150 m 6.592 (0.95) 4.976 (1.26) 4.792 (1.31) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.010 m^2/s^2 0.099 m/s 0.197 m/s 6.427 (0.98) 4.280 (1.47) 4.122 (1.52) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.023 m^2/s^4 0.150 m/s^2 0.300 m/s^2 3.720 (1.69) 3.671 (1.71) 3.503 (1.79) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 1.625 SM 4.266 % 1.660 % -- -- --

Design Speed, 17 kn; Following sea, 4.071 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.956 s -- -- -- -- --
Characteristic wave height 0.300 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 4.071 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.006 m^2 0.075 m 0.150 m 9.960 (0.63) 8.340 (0.75) 7.849 (0.80) s (rad/s)
Encountered wave spectrum 0.006 m^2 0.075 m 0.150 m 7.463 (0.84) 5.734 (1.10) 4.969 (1.26) s (rad/s)
Added resistance 0.240 kN -- -- 7.400 (0.85) 5.841 (1.08) 5.335 (1.18) s (rad/s)
Heave motion 0.004 m^2 0.062 m 0.125 m 7.491 (0.84) 6.916 (0.91) 6.745 (0.93) s (rad/s)
Roll motion 0.00001 rad^2 0.00312 rad 0.00623 rad 7.255 (0.87) 5.525 (1.14) 5.316 (1.18) s (rad/s)
Pitch motion 0.00000 rad^2 0.00109 rad 0.00219 rad 7.367 (0.85) 5.992 (1.05) 5.750 (1.09) s (rad/s)
Heave velocity 0.003 m^2/s^2 0.058 m/s 0.116 m/s 7.375 (0.85) 6.191 (1.01) 5.967 (1.05) s (rad/s)
Roll velocity 0.00001 (rad/s)^2 0.00368 rad/s 0.00737 rad/s 7.106 (0.88) 4.712 (1.33) 4.511 (1.39) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00119 rad/s 0.00239 rad/s 7.227 (0.87) 5.023 (1.25) 4.773 (1.32) s (rad/s)
Heave acceleration 0.004 m^2/s^4 0.061 m/s^2 0.122 m/s^2 7.237 (0.87) 5.258 (1.19) 4.974 (1.26) s (rad/s)
Roll acceleration 0.00003 (rad/s/s)^2 0.00513 rad/s/s 0.01026 rad/s/s 4.076 (1.54) 3.923 (1.60) 3.708 (1.69) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00157 rad/s/s 0.00314 rad/s/s 4.123 (1.52) 4.074 (1.54) 3.850 (1.63) s (rad/s)
passenger deck aft: Abs. vert. motion 0.005 m^2 0.069 m 0.139 m 7.485 (0.84) 6.845 (0.92) 6.664 (0.94) s (rad/s)
passenger deck aft: Rel. vert. motion 0.001 m^2 0.027 m 0.055 m 3.353 (1.87) 2.915 (2.16) 2.550 (2.46) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.004 m^2/s^2 0.065 m/s 0.131 m/s 7.365 (0.85) 6.078 (1.03) 5.841 (1.08) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.005 m^2/s^2 0.068 m/s 0.135 m/s 2.868 (2.19) 1.609 (3.91) 1.365 (4.60) s (rad/s)
passenger deck aft: Abs. vert. accel 0.005 m^2/s^4 0.070 m/s^2 0.141 m/s^2 7.225 (0.87) 5.092 (1.23) 4.795 (1.31) s (rad/s)
passenger deck aft: Rel. vert. accel 0.097 m^2/s^4 0.311 m/s^2 0.623 m/s^2 0.567 (11.08) 0.904 (6.95) 0.837 (7.50) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.003 m 0.006 m 7.377 (0.85) 5.992 (1.05) 5.750 (1.09) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.007 m/s 7.231 (0.87) 5.022 (1.25) 4.772 (1.32) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.004 m/s^2 0.009 m/s^2 4.076 (1.54) 4.073 (1.54) 3.849 (1.63) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.009 m 0.017 m 7.250 (0.87) 5.532 (1.14) 5.322 (1.18) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.010 m/s 0.021 m/s 7.105 (0.88) 4.717 (1.33) 4.516 (1.39) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.014 m/s^2 0.029 m/s^2 4.076 (1.54) 3.925 (1.60) 3.710 (1.69) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.142 SM 0.018 % 0.001 % -- -- --
passenger deck forward: Abs. vert. motion 0.002 m^2 0.050 m 0.100 m 7.505 (0.84) 7.050 (0.89) 6.891 (0.91) s (rad/s)
passenger deck forward: Rel. vert. motion 0.003 m^2 0.050 m 0.101 m 7.324 (0.86) 4.569 (1.38) 3.900 (1.61) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.002 m^2/s^2 0.045 m/s 0.091 m/s 7.398 (0.85) 6.385 (0.98) 6.188 (1.02) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.007 m^2/s^2 0.081 m/s 0.162 m/s 7.182 (0.87) 2.082 (3.02) 1.637 (3.84) s (rad/s)
passenger deck forward: Abs. vert. accel 0.002 m^2/s^4 0.046 m/s^2 0.092 m/s^2 7.261 (0.87) 5.570 (1.13) 5.335 (1.18) s (rad/s)
passenger deck forward: Rel. vert. accel 0.097 m^2/s^4 0.311 m/s^2 0.622 m/s^2 0.567 (11.08) 0.932 (6.74) 0.855 (7.35) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.003 m 0.006 m 7.377 (0.85) 5.992 (1.05) 5.750 (1.09) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.007 m/s 7.231 (0.87) 5.022 (1.25) 4.772 (1.32) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.004 m/s^2 0.009 m/s^2 4.076 (1.54) 4.073 (1.54) 3.849 (1.63) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.009 m 0.017 m 7.250 (0.87) 5.532 (1.14) 5.322 (1.18) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.010 m/s 0.021 m/s 7.105 (0.88) 4.717 (1.33) 4.516 (1.39) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.014 m/s^2 0.029 m/s^2 4.076 (1.54) 3.925 (1.60) 3.710 (1.69) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.078 SM 0.003 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.002 m^2 0.050 m 0.100 m 7.505 (0.84) 7.050 (0.89) 6.891 (0.91) s (rad/s)
Bridge deck: Rel. vert. motion 0.003 m^2 0.050 m 0.101 m 7.324 (0.86) 4.569 (1.38) 3.900 (1.61) s (rad/s)
Bridge deck: Abs. vert. velocity 0.002 m^2/s^2 0.045 m/s 0.091 m/s 7.398 (0.85) 6.385 (0.98) 6.188 (1.02) s (rad/s)
Bridge deck: Rel. vert. velocity 0.007 m^2/s^2 0.081 m/s 0.162 m/s 7.182 (0.87) 2.082 (3.02) 1.637 (3.84) s (rad/s)
Bridge deck: Abs. vert. accel 0.002 m^2/s^4 0.046 m/s^2 0.092 m/s^2 7.261 (0.87) 5.570 (1.13) 5.335 (1.18) s (rad/s)
Bridge deck: Rel. vert. accel 0.097 m^2/s^4 0.311 m/s^2 0.622 m/s^2 0.567 (11.08) 0.932 (6.74) 0.855 (7.35) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.006 m 0.011 m 7.377 (0.85) 5.992 (1.05) 5.750 (1.09) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.006 m/s 0.012 m/s 7.231 (0.87) 5.022 (1.25) 4.772 (1.32) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.008 m/s^2 0.016 m/s^2 4.076 (1.54) 4.073 (1.54) 3.849 (1.63) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.016 m 0.032 m 7.250 (0.87) 5.532 (1.14) 5.322 (1.18) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.019 m/s 0.038 m/s 7.105 (0.88) 4.717 (1.33) 4.516 (1.39) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.001 m^2/s^4 0.026 m/s^2 0.052 m/s^2 4.076 (1.54) 3.925 (1.60) 3.710 (1.69) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.078 SM 0.003 % 0.000 % -- -- --

Design Speed, 17 kn; Following sea, 4.071 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 4.071 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 7.482 (0.84) 5.749 (1.09) 4.982 (1.26) s (rad/s)
Added resistance 0.959 kN -- -- 7.418 (0.85) 5.851 (1.07) 5.345 (1.18) s (rad/s)
Heave motion 0.016 m^2 0.125 m 0.250 m 7.508 (0.84) 6.930 (0.91) 6.757 (0.93) s (rad/s)
Roll motion 0.00004 rad^2 0.00622 rad 0.01244 rad 7.272 (0.86) 5.530 (1.14) 5.320 (1.18) s (rad/s)
Pitch motion 0.00000 rad^2 0.00218 rad 0.00437 rad 7.385 (0.85) 6.001 (1.05) 5.758 (1.09) s (rad/s)
Heave velocity 0.014 m^2/s^2 0.116 m/s 0.233 m/s 7.393 (0.85) 6.200 (1.01) 5.975 (1.05) s (rad/s)
Roll velocity 0.00005 (rad/s)^2 0.00734 rad/s 0.01469 rad/s 7.124 (0.88) 4.714 (1.33) 4.513 (1.39) s (rad/s)
Pitch velocity 0.00001 (rad/s)^2 0.00238 rad/s 0.00476 rad/s 7.245 (0.87) 5.027 (1.25) 4.776 (1.32) s (rad/s)
Heave acceleration 0.015 m^2/s^4 0.122 m/s^2 0.244 m/s^2 7.253 (0.87) 5.263 (1.19) 4.977 (1.26) s (rad/s)
Roll acceleration 0.00010 (rad/s/s)^2 0.01023 rad/s/s 0.02045 rad/s/s 4.087 (1.54) 3.924 (1.60) 3.709 (1.69) s (rad/s)
Pitch acceleration 0.00001 (rad/s/s)^2 0.00313 rad/s/s 0.00627 rad/s/s 4.087 (1.54) 4.075 (1.54) 3.851 (1.63) s (rad/s)
passenger deck aft: Abs. vert. motion 0.019 m^2 0.139 m 0.278 m 7.502 (0.84) 6.858 (0.92) 6.676 (0.94) s (rad/s)
passenger deck aft: Rel. vert. motion 0.003 m^2 0.055 m 0.109 m 3.362 (1.87) 2.917 (2.15) 2.552 (2.46) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.017 m^2/s^2 0.131 m/s 0.261 m/s 7.381 (0.85) 6.087 (1.03) 5.849 (1.07) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.018 m^2/s^2 0.135 m/s 0.270 m/s 2.876 (2.18) 1.611 (3.90) 1.368 (4.59) s (rad/s)
passenger deck aft: Abs. vert. accel 0.020 m^2/s^4 0.140 m/s^2 0.281 m/s^2 7.241 (0.87) 5.096 (1.23) 4.798 (1.31) s (rad/s)
passenger deck aft: Rel. vert. accel 0.383 m^2/s^4 0.619 m/s^2 1.238 m/s^2 0.569 (11.04) 0.907 (6.93) 0.840 (7.48) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.006 m 0.012 m 7.395 (0.85) 6.001 (1.05) 5.758 (1.09) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.007 m/s 0.013 m/s 7.249 (0.87) 5.026 (1.25) 4.775 (1.32) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.009 m/s^2 0.017 m/s^2 4.087 (1.54) 4.074 (1.54) 3.850 (1.63) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.017 m 0.035 m 7.266 (0.86) 5.537 (1.13) 5.327 (1.18) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.021 m/s 0.041 m/s 7.121 (0.88) 4.719 (1.33) 4.517 (1.39) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.001 m^2/s^4 0.029 m/s^2 0.057 m/s^2 4.087 (1.54) 3.926 (1.60) 3.711 (1.69) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.381 SM 0.245 % 0.031 % -- -- --
passenger deck forward: Abs. vert. motion 0.010 m^2 0.100 m 0.200 m 7.524 (0.84) 7.064 (0.89) 6.904 (0.91) s (rad/s)
passenger deck forward: Rel. vert. motion 0.010 m^2 0.100 m 0.201 m 7.341 (0.86) 4.576 (1.37) 3.906 (1.61) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.008 m^2/s^2 0.091 m/s 0.182 m/s 7.416 (0.85) 6.396 (0.98) 6.197 (1.01) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.026 m^2/s^2 0.161 m/s 0.323 m/s 7.200 (0.87) 2.087 (3.01) 1.641 (3.83) s (rad/s)
passenger deck forward: Abs. vert. accel 0.008 m^2/s^4 0.092 m/s^2 0.184 m/s^2 7.279 (0.86) 5.576 (1.13) 5.340 (1.18) s (rad/s)
passenger deck forward: Rel. vert. accel 0.382 m^2/s^4 0.618 m/s^2 1.236 m/s^2 0.569 (11.04) 0.935 (6.72) 0.857 (7.33) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.006 m 0.012 m 7.395 (0.85) 6.001 (1.05) 5.758 (1.09) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.007 m/s 0.013 m/s 7.249 (0.87) 5.026 (1.25) 4.775 (1.32) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.009 m/s^2 0.017 m/s^2 4.087 (1.54) 4.074 (1.54) 3.850 (1.63) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.017 m 0.035 m 7.266 (0.86) 5.537 (1.13) 5.327 (1.18) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.021 m/s 0.041 m/s 7.121 (0.88) 4.719 (1.33) 4.517 (1.39) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.001 m^2/s^4 0.029 m/s^2 0.057 m/s^2 4.087 (1.54) 3.926 (1.60) 3.711 (1.69) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.208 SM 0.055 % 0.004 % -- -- --
Bridge deck: Abs. vert. motion 0.010 m^2 0.100 m 0.200 m 7.524 (0.84) 7.064 (0.89) 6.904 (0.91) s (rad/s)
Bridge deck: Rel. vert. motion 0.010 m^2 0.100 m 0.201 m 7.341 (0.86) 4.576 (1.37) 3.906 (1.61) s (rad/s)
Bridge deck: Abs. vert. velocity 0.008 m^2/s^2 0.091 m/s 0.182 m/s 7.416 (0.85) 6.396 (0.98) 6.197 (1.01) s (rad/s)
Bridge deck: Rel. vert. velocity 0.026 m^2/s^2 0.161 m/s 0.323 m/s 7.200 (0.87) 2.087 (3.01) 1.641 (3.83) s (rad/s)
Bridge deck: Abs. vert. accel 0.008 m^2/s^4 0.092 m/s^2 0.184 m/s^2 7.279 (0.86) 5.576 (1.13) 5.340 (1.18) s (rad/s)
Bridge deck: Rel. vert. accel 0.382 m^2/s^4 0.618 m/s^2 1.236 m/s^2 0.569 (11.04) 0.935 (6.72) 0.857 (7.33) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.011 m 0.022 m 7.395 (0.85) 6.001 (1.05) 5.758 (1.09) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.012 m/s 0.024 m/s 7.249 (0.87) 5.026 (1.25) 4.775 (1.32) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.016 m/s^2 0.032 m/s^2 4.087 (1.54) 4.074 (1.54) 3.850 (1.63) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.001 m^2 0.032 m 0.063 m 7.266 (0.86) 5.537 (1.13) 5.327 (1.18) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.001 m^2/s^2 0.037 m/s 0.075 m/s 7.121 (0.88) 4.719 (1.33) 4.517 (1.39) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.003 m^2/s^4 0.052 m/s^2 0.104 m/s^2 4.087 (1.54) 3.926 (1.60) 3.711 (1.69) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.208 SM 0.055 % 0.004 % -- -- --

Design Speed, 17 kn; Following sea, 4.071 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.965 s -- -- -- -- --
Characteristic wave height 1.200 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 4.071 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.090 m^2 0.300 m 0.601 m 9.969 (0.63) 8.348 (0.75) 7.856 (0.80) s (rad/s)
Encountered wave spectrum 0.090 m^2 0.300 m 0.601 m 7.472 (0.84) 5.741 (1.09) 4.975 (1.26) s (rad/s)
Added resistance 3.841 kN -- -- 7.408 (0.85) 5.846 (1.07) 5.340 (1.18) s (rad/s)
Heave motion 0.062 m^2 0.250 m 0.500 m 7.499 (0.84) 6.923 (0.91) 6.750 (0.93) s (rad/s)
Roll motion 0.00016 rad^2 0.01245 rad 0.02491 rad 7.264 (0.87) 5.528 (1.14) 5.318 (1.18) s (rad/s)
Pitch motion 0.00002 rad^2 0.00437 rad 0.00874 rad 7.375 (0.85) 5.996 (1.05) 5.754 (1.09) s (rad/s)
Heave velocity 0.054 m^2/s^2 0.233 m/s 0.465 m/s 7.383 (0.85) 6.195 (1.01) 5.971 (1.05) s (rad/s)
Roll velocity 0.00022 (rad/s)^2 0.01471 rad/s 0.02942 rad/s 7.115 (0.88) 4.713 (1.33) 4.512 (1.39) s (rad/s)
Pitch velocity 0.00002 (rad/s)^2 0.00477 rad/s 0.00954 rad/s 7.235 (0.87) 5.025 (1.25) 4.774 (1.32) s (rad/s)
Heave acceleration 0.060 m^2/s^4 0.245 m/s^2 0.489 m/s^2 7.245 (0.87) 5.261 (1.19) 4.975 (1.26) s (rad/s)
Roll acceleration 0.00042 (rad/s/s)^2 0.02049 rad/s/s 0.04097 rad/s/s 4.081 (1.54) 3.923 (1.60) 3.709 (1.69) s (rad/s)
Pitch acceleration 0.00004 (rad/s/s)^2 0.00628 rad/s/s 0.01255 rad/s/s 4.081 (1.54) 4.075 (1.54) 3.850 (1.63) s (rad/s)
passenger deck aft: Abs. vert. motion 0.077 m^2 0.278 m 0.555 m 7.491 (0.84) 6.851 (0.92) 6.670 (0.94) s (rad/s)
passenger deck aft: Rel. vert. motion 0.012 m^2 0.110 m 0.219 m 3.357 (1.87) 2.916 (2.15) 2.551 (2.46) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.068 m^2/s^2 0.261 m/s 0.523 m/s 7.373 (0.85) 6.083 (1.03) 5.844 (1.08) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.073 m^2/s^2 0.270 m/s 0.540 m/s 2.872 (2.19) 1.610 (3.90) 1.366 (4.60) s (rad/s)
passenger deck aft: Abs. vert. accel 0.079 m^2/s^4 0.281 m/s^2 0.562 m/s^2 7.233 (0.87) 5.094 (1.23) 4.797 (1.31) s (rad/s)
passenger deck aft: Rel. vert. accel 1.543 m^2/s^4 1.242 m/s^2 2.484 m/s^2 0.568 (11.06) 0.905 (6.94) 0.839 (7.49) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.012 m 0.024 m 7.385 (0.85) 5.996 (1.05) 5.754 (1.09) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.013 m/s 0.027 m/s 7.239 (0.87) 5.024 (1.25) 4.774 (1.32) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.017 m/s^2 0.035 m/s^2 4.081 (1.54) 4.074 (1.54) 3.849 (1.63) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.001 m^2 0.035 m 0.070 m 7.258 (0.87) 5.535 (1.14) 5.324 (1.18) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.002 m^2/s^2 0.041 m/s 0.082 m/s 7.113 (0.88) 4.718 (1.33) 4.516 (1.39) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.003 m^2/s^4 0.057 m/s^2 0.114 m/s^2 4.081 (1.54) 3.925 (1.60) 3.710 (1.69) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 1.029 SM 1.971 % 0.578 % -- -- --
passenger deck forward: Abs. vert. motion 0.040 m^2 0.200 m 0.399 m 7.513 (0.84) 7.057 (0.89) 6.897 (0.91) s (rad/s)
passenger deck forward: Rel. vert. motion 0.040 m^2 0.201 m 0.402 m 7.331 (0.86) 4.572 (1.37) 3.903 (1.61) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.033 m^2/s^2 0.182 m/s 0.364 m/s 7.406 (0.85) 6.390 (0.98) 6.192 (1.01) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.105 m^2/s^2 0.323 m/s 0.647 m/s 7.190 (0.87) 2.084 (3.01) 1.639 (3.83) s (rad/s)
passenger deck forward: Abs. vert. accel 0.034 m^2/s^4 0.185 m/s^2 0.369 m/s^2 7.269 (0.86) 5.573 (1.13) 5.337 (1.18) s (rad/s)
passenger deck forward: Rel. vert. accel 1.538 m^2/s^4 1.240 m/s^2 2.480 m/s^2 0.568 (11.06) 0.933 (6.73) 0.856 (7.34) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.012 m 0.024 m 7.385 (0.85) 5.996 (1.05) 5.754 (1.09) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.013 m/s 0.027 m/s 7.239 (0.87) 5.024 (1.25) 4.774 (1.32) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.017 m/s^2 0.035 m/s^2 4.081 (1.54) 4.074 (1.54) 3.849 (1.63) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.001 m^2 0.035 m 0.070 m 7.258 (0.87) 5.535 (1.14) 5.324 (1.18) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.002 m^2/s^2 0.041 m/s 0.082 m/s 7.113 (0.88) 4.718 (1.33) 4.516 (1.39) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.003 m^2/s^4 0.057 m/s^2 0.114 m/s^2 4.081 (1.54) 3.925 (1.60) 3.710 (1.69) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.562 SM 0.602 % 0.111 % -- -- --
Bridge deck: Abs. vert. motion 0.040 m^2 0.200 m 0.399 m 7.513 (0.84) 7.057 (0.89) 6.897 (0.91) s (rad/s)
Bridge deck: Rel. vert. motion 0.040 m^2 0.201 m 0.402 m 7.331 (0.86) 4.572 (1.37) 3.903 (1.61) s (rad/s)
Bridge deck: Abs. vert. velocity 0.033 m^2/s^2 0.182 m/s 0.364 m/s 7.406 (0.85) 6.390 (0.98) 6.192 (1.01) s (rad/s)
Bridge deck: Rel. vert. velocity 0.105 m^2/s^2 0.323 m/s 0.647 m/s 7.190 (0.87) 2.084 (3.01) 1.639 (3.83) s (rad/s)
Bridge deck: Abs. vert. accel 0.034 m^2/s^4 0.185 m/s^2 0.369 m/s^2 7.269 (0.86) 5.573 (1.13) 5.337 (1.18) s (rad/s)
Bridge deck: Rel. vert. accel 1.538 m^2/s^4 1.240 m/s^2 2.480 m/s^2 0.568 (11.06) 0.933 (6.73) 0.856 (7.34) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.022 m 0.044 m 7.385 (0.85) 5.996 (1.05) 5.754 (1.09) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.001 m^2/s^2 0.024 m/s 0.048 m/s 7.239 (0.87) 5.024 (1.25) 4.774 (1.32) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.001 m^2/s^4 0.032 m/s^2 0.064 m/s^2 4.081 (1.54) 4.074 (1.54) 3.849 (1.63) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.004 m^2 0.063 m 0.127 m 7.258 (0.87) 5.535 (1.14) 5.324 (1.18) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.006 m^2/s^2 0.075 m/s 0.150 m/s 7.113 (0.88) 4.718 (1.33) 4.516 (1.39) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.011 m^2/s^4 0.104 m/s^2 0.208 m/s^2 4.081 (1.54) 3.925 (1.60) 3.710 (1.69) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.562 SM 0.602 % 0.111 % -- -- --

Design Speed, 17 kn; Following sea, 4.071 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 2.000 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 4.071 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.251 m^2 0.501 m 1.001 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.251 m^2 0.501 m 1.001 m 7.482 (0.84) 5.749 (1.09) 4.982 (1.26) s (rad/s)
Added resistance 10.660 kN -- -- 7.418 (0.85) 5.851 (1.07) 5.345 (1.18) s (rad/s)
Heave motion 0.174 m^2 0.417 m 0.834 m 7.508 (0.84) 6.930 (0.91) 6.757 (0.93) s (rad/s)
Roll motion 0.00043 rad^2 0.02073 rad 0.04146 rad 7.272 (0.86) 5.530 (1.14) 5.320 (1.18) s (rad/s)
Pitch motion 0.00005 rad^2 0.00728 rad 0.01455 rad 7.385 (0.85) 6.001 (1.05) 5.758 (1.09) s (rad/s)
Heave velocity 0.150 m^2/s^2 0.388 m/s 0.775 m/s 7.393 (0.85) 6.200 (1.01) 5.975 (1.05) s (rad/s)
Roll velocity 0.00060 (rad/s)^2 0.02448 rad/s 0.04897 rad/s 7.124 (0.88) 4.714 (1.33) 4.513 (1.39) s (rad/s)
Pitch velocity 0.00006 (rad/s)^2 0.00794 rad/s 0.01588 rad/s 7.245 (0.87) 5.027 (1.25) 4.776 (1.32) s (rad/s)
Heave acceleration 0.166 m^2/s^4 0.407 m/s^2 0.815 m/s^2 7.253 (0.87) 5.263 (1.19) 4.977 (1.26) s (rad/s)
Roll acceleration 0.00116 (rad/s/s)^2 0.03409 rad/s/s 0.06817 rad/s/s 4.087 (1.54) 3.924 (1.60) 3.709 (1.69) s (rad/s)
Pitch acceleration 0.00011 (rad/s/s)^2 0.01044 rad/s/s 0.02089 rad/s/s 4.087 (1.54) 4.075 (1.54) 3.851 (1.63) s (rad/s)
passenger deck aft: Abs. vert. motion 0.214 m^2 0.463 m 0.926 m 7.502 (0.84) 6.858 (0.92) 6.676 (0.94) s (rad/s)
passenger deck aft: Rel. vert. motion 0.033 m^2 0.182 m 0.365 m 3.362 (1.87) 2.917 (2.15) 2.552 (2.46) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.190 m^2/s^2 0.436 m/s 0.871 m/s 7.381 (0.85) 6.087 (1.03) 5.849 (1.07) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.202 m^2/s^2 0.449 m/s 0.898 m/s 2.876 (2.18) 1.611 (3.90) 1.368 (4.59) s (rad/s)
passenger deck aft: Abs. vert. accel 0.219 m^2/s^4 0.468 m/s^2 0.936 m/s^2 7.241 (0.87) 5.096 (1.23) 4.798 (1.31) s (rad/s)
passenger deck aft: Rel. vert. accel 4.258 m^2/s^4 2.063 m/s^2 4.127 m/s^2 0.569 (11.04) 0.907 (6.93) 0.840 (7.48) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.020 m 0.041 m 7.395 (0.85) 6.001 (1.05) 5.758 (1.09) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.022 m/s 0.044 m/s 7.249 (0.87) 5.026 (1.25) 4.775 (1.32) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.001 m^2/s^4 0.029 m/s^2 0.058 m/s^2 4.087 (1.54) 4.074 (1.54) 3.850 (1.63) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.003 m^2 0.058 m 0.116 m 7.266 (0.86) 5.537 (1.13) 5.327 (1.18) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.005 m^2/s^2 0.068 m/s 0.137 m/s 7.121 (0.88) 4.719 (1.33) 4.517 (1.39) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.009 m^2/s^4 0.095 m/s^2 0.190 m/s^2 4.087 (1.54) 3.926 (1.60) 3.711 (1.69) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 2.133 SM 6.600 % 3.014 % -- -- --
passenger deck forward: Abs. vert. motion 0.111 m^2 0.333 m 0.666 m 7.524 (0.84) 7.064 (0.89) 6.904 (0.91) s (rad/s)
passenger deck forward: Rel. vert. motion 0.112 m^2 0.335 m 0.669 m 7.341 (0.86) 4.576 (1.37) 3.906 (1.61) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.092 m^2/s^2 0.303 m/s 0.606 m/s 7.416 (0.85) 6.396 (0.98) 6.197 (1.01) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.290 m^2/s^2 0.538 m/s 1.076 m/s 7.200 (0.87) 2.087 (3.01) 1.641 (3.83) s (rad/s)
passenger deck forward: Abs. vert. accel 0.094 m^2/s^4 0.307 m/s^2 0.614 m/s^2 7.279 (0.86) 5.576 (1.13) 5.340 (1.18) s (rad/s)
passenger deck forward: Rel. vert. accel 4.244 m^2/s^4 2.060 m/s^2 4.120 m/s^2 0.569 (11.04) 0.935 (6.72) 0.857 (7.33) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.020 m 0.041 m 7.395 (0.85) 6.001 (1.05) 5.758 (1.09) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.022 m/s 0.044 m/s 7.249 (0.87) 5.026 (1.25) 4.775 (1.32) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.001 m^2/s^4 0.029 m/s^2 0.058 m/s^2 4.087 (1.54) 4.074 (1.54) 3.850 (1.63) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.003 m^2 0.058 m 0.116 m 7.266 (0.86) 5.537 (1.13) 5.327 (1.18) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.005 m^2/s^2 0.068 m/s 0.137 m/s 7.121 (0.88) 4.719 (1.33) 4.517 (1.39) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.009 m^2/s^4 0.095 m/s^2 0.190 m/s^2 4.087 (1.54) 3.926 (1.60) 3.711 (1.69) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 1.165 SM 2.514 % 0.812 % -- -- --
Bridge deck: Abs. vert. motion 0.111 m^2 0.333 m 0.666 m 7.524 (0.84) 7.064 (0.89) 6.904 (0.91) s (rad/s)
Bridge deck: Rel. vert. motion 0.112 m^2 0.335 m 0.669 m 7.341 (0.86) 4.576 (1.37) 3.906 (1.61) s (rad/s)
Bridge deck: Abs. vert. velocity 0.092 m^2/s^2 0.303 m/s 0.606 m/s 7.416 (0.85) 6.396 (0.98) 6.197 (1.01) s (rad/s)
Bridge deck: Rel. vert. velocity 0.290 m^2/s^2 0.538 m/s 1.076 m/s 7.200 (0.87) 2.087 (3.01) 1.641 (3.83) s (rad/s)
Bridge deck: Abs. vert. accel 0.094 m^2/s^4 0.307 m/s^2 0.614 m/s^2 7.279 (0.86) 5.576 (1.13) 5.340 (1.18) s (rad/s)
Bridge deck: Rel. vert. accel 4.244 m^2/s^4 2.060 m/s^2 4.120 m/s^2 0.569 (11.04) 0.935 (6.72) 0.857 (7.33) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.001 m^2 0.037 m 0.074 m 7.395 (0.85) 6.001 (1.05) 5.758 (1.09) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.002 m^2/s^2 0.040 m/s 0.081 m/s 7.249 (0.87) 5.026 (1.25) 4.775 (1.32) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.003 m^2/s^4 0.053 m/s^2 0.106 m/s^2 4.087 (1.54) 4.074 (1.54) 3.850 (1.63) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.011 m^2 0.106 m 0.211 m 7.266 (0.86) 5.537 (1.13) 5.327 (1.18) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.016 m^2/s^2 0.125 m/s 0.249 m/s 7.121 (0.88) 4.719 (1.33) 4.517 (1.39) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.030 m^2/s^4 0.173 m/s^2 0.347 m/s^2 4.087 (1.54) 3.926 (1.60) 3.711 (1.69) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 1.165 SM 2.514 % 0.812 % -- -- --

Design Speed, 17 kn; 4.336 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.956 s -- -- -- -- --
Characteristic wave height 0.300 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 4.336 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.006 m^2 0.075 m 0.150 m 9.960 (0.63) 8.340 (0.75) 7.849 (0.80) s (rad/s)
Encountered wave spectrum 0.006 m^2 0.075 m 0.150 m 8.262 (0.76) 6.521 (0.96) 5.811 (1.08) s (rad/s)
Added resistance 0.244 kN -- -- 8.189 (0.77) 6.375 (0.99) 5.777 (1.09) s (rad/s)
Heave motion 0.004 m^2 0.061 m 0.122 m 8.289 (0.76) 7.733 (0.81) 7.567 (0.83) s (rad/s)
Roll motion 0.00001 rad^2 0.00344 rad 0.00688 rad 8.049 (0.78) 6.245 (1.01) 5.994 (1.05) s (rad/s)
Pitch motion 0.00000 rad^2 0.00107 rad 0.00214 rad 8.209 (0.77) 7.119 (0.88) 6.887 (0.91) s (rad/s)
Heave velocity 0.003 m^2/s^2 0.051 m/s 0.101 m/s 8.177 (0.77) 7.023 (0.89) 6.793 (0.92) s (rad/s)
Roll velocity 0.00001 (rad/s)^2 0.00360 rad/s 0.00721 rad/s 7.906 (0.79) 5.225 (1.20) 4.940 (1.27) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00098 rad/s 0.00195 rad/s 8.077 (0.78) 6.125 (1.03) 5.809 (1.08) s (rad/s)
Heave acceleration 0.002 m^2/s^4 0.047 m/s^2 0.094 m/s^2 8.041 (0.78) 6.025 (1.04) 5.676 (1.11) s (rad/s)
Roll acceleration 0.00002 (rad/s/s)^2 0.00458 rad/s/s 0.00917 rad/s/s 4.761 (1.32) 4.114 (1.53) 3.845 (1.63) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00106 rad/s/s 0.00211 rad/s/s 7.937 (0.79) 4.832 (1.30) 4.464 (1.41) s (rad/s)
passenger deck aft: Abs. vert. motion 0.005 m^2 0.068 m 0.136 m 8.281 (0.76) 7.677 (0.82) 7.505 (0.84) s (rad/s)
passenger deck aft: Rel. vert. motion 0.001 m^2 0.027 m 0.053 m 3.754 (1.67) 3.403 (1.85) 3.046 (2.06) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.003 m^2/s^2 0.057 m/s 0.114 m/s 8.165 (0.77) 6.940 (0.91) 6.698 (0.94) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.003 m^2/s^2 0.055 m/s 0.109 m/s 3.184 (1.97) 2.090 (3.01) 1.816 (3.46) s (rad/s)
passenger deck aft: Abs. vert. accel 0.003 m^2/s^4 0.054 m/s^2 0.107 m/s^2 8.030 (0.78) 5.882 (1.07) 5.511 (1.14) s (rad/s)
passenger deck aft: Rel. vert. accel 0.036 m^2/s^4 0.189 m/s^2 0.378 m/s^2 2.871 (2.19) 1.251 (5.02) 1.157 (5.43) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.003 m 0.006 m 8.201 (0.77) 7.115 (0.88) 6.883 (0.91) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.005 m/s 8.061 (0.78) 6.120 (1.03) 5.803 (1.08) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.003 m/s^2 0.006 m/s^2 7.914 (0.79) 4.825 (1.30) 4.457 (1.41) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.010 m 0.019 m 8.055 (0.78) 6.256 (1.00) 6.005 (1.05) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.010 m/s 0.020 m/s 7.916 (0.79) 5.234 (1.20) 4.946 (1.27) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.013 m/s^2 0.026 m/s^2 4.517 (1.39) 4.115 (1.53) 3.846 (1.63) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.095 SM 0.006 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.002 m^2 0.048 m 0.096 m 8.310 (0.76) 7.865 (0.80) 7.707 (0.82) s (rad/s)
passenger deck forward: Rel. vert. motion 0.002 m^2 0.045 m 0.090 m 8.145 (0.77) 5.153 (1.22) 4.457 (1.41) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.002 m^2/s^2 0.039 m/s 0.078 m/s 8.209 (0.77) 7.200 (0.87) 6.996 (0.90) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.004 m^2/s^2 0.064 m/s 0.127 m/s 8.010 (0.78) 2.581 (2.43) 2.103 (2.99) s (rad/s)
passenger deck forward: Abs. vert. accel 0.001 m^2/s^4 0.035 m/s^2 0.070 m/s^2 8.077 (0.78) 6.336 (0.99) 6.060 (1.04) s (rad/s)
passenger deck forward: Rel. vert. accel 0.036 m^2/s^4 0.190 m/s^2 0.380 m/s^2 0.786 (8.00) 1.275 (4.93) 1.169 (5.37) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.003 m 0.006 m 8.201 (0.77) 7.115 (0.88) 6.883 (0.91) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.005 m/s 8.061 (0.78) 6.120 (1.03) 5.803 (1.08) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.003 m/s^2 0.006 m/s^2 7.914 (0.79) 4.825 (1.30) 4.457 (1.41) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.010 m 0.019 m 8.055 (0.78) 6.256 (1.00) 6.005 (1.05) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.010 m/s 0.020 m/s 7.916 (0.79) 5.234 (1.20) 4.946 (1.27) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.013 m/s^2 0.026 m/s^2 4.517 (1.39) 4.115 (1.53) 3.846 (1.63) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.051 SM 0.001 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.002 m^2 0.048 m 0.096 m 8.310 (0.76) 7.865 (0.80) 7.707 (0.82) s (rad/s)
Bridge deck: Rel. vert. motion 0.002 m^2 0.045 m 0.090 m 8.145 (0.77) 5.153 (1.22) 4.457 (1.41) s (rad/s)
Bridge deck: Abs. vert. velocity 0.002 m^2/s^2 0.039 m/s 0.078 m/s 8.209 (0.77) 7.200 (0.87) 6.996 (0.90) s (rad/s)
Bridge deck: Rel. vert. velocity 0.004 m^2/s^2 0.064 m/s 0.127 m/s 8.010 (0.78) 2.581 (2.43) 2.103 (2.99) s (rad/s)
Bridge deck: Abs. vert. accel 0.001 m^2/s^4 0.035 m/s^2 0.070 m/s^2 8.077 (0.78) 6.336 (0.99) 6.060 (1.04) s (rad/s)
Bridge deck: Rel. vert. accel 0.036 m^2/s^4 0.190 m/s^2 0.380 m/s^2 0.786 (8.00) 1.275 (4.93) 1.169 (5.37) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.005 m 0.011 m 8.201 (0.77) 7.115 (0.88) 6.883 (0.91) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.010 m/s 8.061 (0.78) 6.120 (1.03) 5.803 (1.08) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.005 m/s^2 0.011 m/s^2 7.914 (0.79) 4.825 (1.30) 4.457 (1.41) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.018 m 0.035 m 8.055 (0.78) 6.256 (1.00) 6.005 (1.05) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.018 m/s 0.037 m/s 7.916 (0.79) 5.234 (1.20) 4.946 (1.27) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.001 m^2/s^4 0.023 m/s^2 0.047 m/s^2 4.517 (1.39) 4.115 (1.53) 3.846 (1.63) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.051 SM 0.001 % 0.000 % -- -- --

Design Speed, 17 kn; 4.336 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 4.336 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 8.282 (0.76) 6.536 (0.96) 5.825 (1.08) s (rad/s)
Added resistance 0.973 kN -- -- 8.206 (0.77) 6.387 (0.98) 5.787 (1.09) s (rad/s)
Heave motion 0.015 m^2 0.122 m 0.245 m 8.309 (0.76) 7.747 (0.81) 7.580 (0.83) s (rad/s)
Roll motion 0.00005 rad^2 0.00686 rad 0.01373 rad 8.068 (0.78) 6.251 (1.01) 5.999 (1.05) s (rad/s)
Pitch motion 0.00000 rad^2 0.00214 rad 0.00428 rad 8.226 (0.76) 7.130 (0.88) 6.897 (0.91) s (rad/s)
Heave velocity 0.010 m^2/s^2 0.101 m/s 0.203 m/s 8.194 (0.77) 7.033 (0.89) 6.803 (0.92) s (rad/s)
Roll velocity 0.00005 (rad/s)^2 0.00719 rad/s 0.01438 rad/s 7.925 (0.79) 5.228 (1.20) 4.942 (1.27) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00195 rad/s 0.00390 rad/s 8.094 (0.78) 6.132 (1.02) 5.814 (1.08) s (rad/s)
Heave acceleration 0.009 m^2/s^4 0.094 m/s^2 0.187 m/s^2 8.060 (0.78) 6.031 (1.04) 5.681 (1.11) s (rad/s)
Roll acceleration 0.00008 (rad/s/s)^2 0.00914 rad/s/s 0.01828 rad/s/s 4.722 (1.33) 4.115 (1.53) 3.846 (1.63) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00210 rad/s/s 0.00421 rad/s/s 7.955 (0.79) 4.835 (1.30) 4.466 (1.41) s (rad/s)
passenger deck aft: Abs. vert. motion 0.019 m^2 0.137 m 0.273 m 8.300 (0.76) 7.691 (0.82) 7.518 (0.84) s (rad/s)
passenger deck aft: Rel. vert. motion 0.003 m^2 0.053 m 0.106 m 3.764 (1.67) 3.405 (1.85) 3.049 (2.06) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.013 m^2/s^2 0.114 m/s 0.228 m/s 8.182 (0.77) 6.950 (0.90) 6.706 (0.94) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.012 m^2/s^2 0.109 m/s 0.218 m/s 3.166 (1.98) 2.093 (3.00) 1.820 (3.45) s (rad/s)
passenger deck aft: Abs. vert. accel 0.011 m^2/s^4 0.107 m/s^2 0.214 m/s^2 8.047 (0.78) 5.888 (1.07) 5.516 (1.14) s (rad/s)
passenger deck aft: Rel. vert. accel 0.141 m^2/s^4 0.376 m/s^2 0.752 m/s^2 2.878 (2.18) 1.254 (5.01) 1.160 (5.42) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.006 m 0.012 m 8.218 (0.76) 7.127 (0.88) 6.893 (0.91) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.011 m/s 8.080 (0.78) 6.127 (1.03) 5.809 (1.08) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.006 m/s^2 0.012 m/s^2 7.932 (0.79) 4.827 (1.30) 4.459 (1.41) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.019 m 0.038 m 8.074 (0.78) 6.262 (1.00) 6.011 (1.05) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.020 m/s 0.040 m/s 7.934 (0.79) 5.236 (1.20) 4.948 (1.27) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.001 m^2/s^4 0.025 m/s^2 0.051 m/s^2 4.528 (1.39) 4.116 (1.53) 3.846 (1.63) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.254 SM 0.094 % 0.008 % -- -- --
passenger deck forward: Abs. vert. motion 0.009 m^2 0.096 m 0.192 m 8.329 (0.75) 7.879 (0.80) 7.721 (0.81) s (rad/s)
passenger deck forward: Rel. vert. motion 0.008 m^2 0.090 m 0.180 m 8.164 (0.77) 5.161 (1.22) 4.464 (1.41) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.006 m^2/s^2 0.078 m/s 0.156 m/s 8.228 (0.76) 7.212 (0.87) 7.007 (0.90) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.016 m^2/s^2 0.127 m/s 0.254 m/s 8.027 (0.78) 2.586 (2.43) 2.107 (2.98) s (rad/s)
passenger deck forward: Abs. vert. accel 0.005 m^2/s^4 0.070 m/s^2 0.140 m/s^2 8.096 (0.78) 6.343 (0.99) 6.066 (1.04) s (rad/s)
passenger deck forward: Rel. vert. accel 0.143 m^2/s^4 0.378 m/s^2 0.756 m/s^2 0.785 (8.00) 1.279 (4.91) 1.173 (5.36) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.006 m 0.012 m 8.218 (0.76) 7.127 (0.88) 6.893 (0.91) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.011 m/s 8.080 (0.78) 6.127 (1.03) 5.809 (1.08) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.006 m/s^2 0.012 m/s^2 7.932 (0.79) 4.827 (1.30) 4.459 (1.41) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.019 m 0.038 m 8.074 (0.78) 6.262 (1.00) 6.011 (1.05) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.020 m/s 0.040 m/s 7.934 (0.79) 5.236 (1.20) 4.948 (1.27) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.001 m^2/s^4 0.025 m/s^2 0.051 m/s^2 4.528 (1.39) 4.116 (1.53) 3.846 (1.63) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.137 SM 0.017 % 0.001 % -- -- --
Bridge deck: Abs. vert. motion 0.009 m^2 0.096 m 0.192 m 8.329 (0.75) 7.879 (0.80) 7.721 (0.81) s (rad/s)
Bridge deck: Rel. vert. motion 0.008 m^2 0.090 m 0.180 m 8.164 (0.77) 5.161 (1.22) 4.464 (1.41) s (rad/s)
Bridge deck: Abs. vert. velocity 0.006 m^2/s^2 0.078 m/s 0.156 m/s 8.228 (0.76) 7.212 (0.87) 7.007 (0.90) s (rad/s)
Bridge deck: Rel. vert. velocity 0.016 m^2/s^2 0.127 m/s 0.254 m/s 8.027 (0.78) 2.586 (2.43) 2.107 (2.98) s (rad/s)
Bridge deck: Abs. vert. accel 0.005 m^2/s^4 0.070 m/s^2 0.140 m/s^2 8.096 (0.78) 6.343 (0.99) 6.066 (1.04) s (rad/s)
Bridge deck: Rel. vert. accel 0.143 m^2/s^4 0.378 m/s^2 0.756 m/s^2 0.785 (8.00) 1.279 (4.91) 1.173 (5.36) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.011 m 0.022 m 8.218 (0.76) 7.127 (0.88) 6.893 (0.91) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.010 m/s 0.020 m/s 8.080 (0.78) 6.127 (1.03) 5.809 (1.08) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.011 m/s^2 0.021 m/s^2 7.932 (0.79) 4.827 (1.30) 4.459 (1.41) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.001 m^2 0.035 m 0.070 m 8.074 (0.78) 6.262 (1.00) 6.011 (1.05) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.001 m^2/s^2 0.037 m/s 0.073 m/s 7.934 (0.79) 5.236 (1.20) 4.948 (1.27) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.002 m^2/s^4 0.046 m/s^2 0.093 m/s^2 4.528 (1.39) 4.116 (1.53) 3.846 (1.63) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.137 SM 0.017 % 0.001 % -- -- --

Design Speed, 17 kn; 4.336 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.965 s -- -- -- -- --
Characteristic wave height 1.200 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 4.336 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.090 m^2 0.300 m 0.601 m 9.969 (0.63) 8.348 (0.75) 7.856 (0.80) s (rad/s)
Encountered wave spectrum 0.090 m^2 0.300 m 0.601 m 8.271 (0.76) 6.528 (0.96) 5.818 (1.08) s (rad/s)
Added resistance 3.897 kN -- -- 8.198 (0.77) 6.381 (0.98) 5.782 (1.09) s (rad/s)
Heave motion 0.060 m^2 0.245 m 0.489 m 8.298 (0.76) 7.740 (0.81) 7.573 (0.83) s (rad/s)
Roll motion 0.00019 rad^2 0.01374 rad 0.02749 rad 8.058 (0.78) 6.248 (1.01) 5.997 (1.05) s (rad/s)
Pitch motion 0.00002 rad^2 0.00428 rad 0.00856 rad 8.218 (0.76) 7.124 (0.88) 6.891 (0.91) s (rad/s)
Heave velocity 0.041 m^2/s^2 0.203 m/s 0.406 m/s 8.186 (0.77) 7.028 (0.89) 6.798 (0.92) s (rad/s)
Roll velocity 0.00021 (rad/s)^2 0.01440 rad/s 0.02880 rad/s 7.915 (0.79) 5.227 (1.20) 4.941 (1.27) s (rad/s)
Pitch velocity 0.00002 (rad/s)^2 0.00390 rad/s 0.00780 rad/s 8.086 (0.78) 6.128 (1.03) 5.811 (1.08) s (rad/s)
Heave acceleration 0.035 m^2/s^4 0.187 m/s^2 0.375 m/s^2 8.050 (0.78) 6.028 (1.04) 5.678 (1.11) s (rad/s)
Roll acceleration 0.00034 (rad/s/s)^2 0.01831 rad/s/s 0.03662 rad/s/s 4.767 (1.32) 4.114 (1.53) 3.846 (1.63) s (rad/s)
Pitch acceleration 0.00002 (rad/s/s)^2 0.00422 rad/s/s 0.00843 rad/s/s 7.945 (0.79) 4.833 (1.30) 4.465 (1.41) s (rad/s)
passenger deck aft: Abs. vert. motion 0.075 m^2 0.273 m 0.546 m 8.290 (0.76) 7.684 (0.82) 7.511 (0.84) s (rad/s)
passenger deck aft: Rel. vert. motion 0.011 m^2 0.106 m 0.212 m 3.759 (1.67) 3.404 (1.85) 3.047 (2.06) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.052 m^2/s^2 0.228 m/s 0.457 m/s 8.173 (0.77) 6.944 (0.90) 6.702 (0.94) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.048 m^2/s^2 0.218 m/s 0.437 m/s 3.188 (1.97) 2.091 (3.00) 1.818 (3.46) s (rad/s)
passenger deck aft: Abs. vert. accel 0.046 m^2/s^4 0.214 m/s^2 0.428 m/s^2 8.038 (0.78) 5.885 (1.07) 5.513 (1.14) s (rad/s)
passenger deck aft: Rel. vert. accel 0.569 m^2/s^4 0.754 m/s^2 1.509 m/s^2 2.874 (2.19) 1.253 (5.02) 1.158 (5.42) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.012 m 0.024 m 8.210 (0.77) 7.121 (0.88) 6.888 (0.91) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.011 m/s 0.022 m/s 8.070 (0.78) 6.123 (1.03) 5.806 (1.08) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.012 m/s^2 0.023 m/s^2 7.922 (0.79) 4.826 (1.30) 4.458 (1.41) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.001 m^2 0.038 m 0.077 m 8.064 (0.78) 6.259 (1.00) 6.008 (1.05) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.002 m^2/s^2 0.040 m/s 0.080 m/s 7.924 (0.79) 5.235 (1.20) 4.947 (1.27) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.003 m^2/s^4 0.051 m/s^2 0.102 m/s^2 4.522 (1.39) 4.115 (1.53) 3.846 (1.63) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.686 SM 0.928 % 0.203 % -- -- --
passenger deck forward: Abs. vert. motion 0.037 m^2 0.192 m 0.383 m 8.319 (0.76) 7.872 (0.80) 7.713 (0.81) s (rad/s)
passenger deck forward: Rel. vert. motion 0.033 m^2 0.180 m 0.361 m 8.153 (0.77) 5.157 (1.22) 4.460 (1.41) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.024 m^2/s^2 0.156 m/s 0.312 m/s 8.218 (0.76) 7.205 (0.87) 7.001 (0.90) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.065 m^2/s^2 0.254 m/s 0.508 m/s 8.019 (0.78) 2.583 (2.43) 2.105 (2.98) s (rad/s)
passenger deck forward: Abs. vert. accel 0.020 m^2/s^4 0.140 m/s^2 0.280 m/s^2 8.086 (0.78) 6.339 (0.99) 6.063 (1.04) s (rad/s)
passenger deck forward: Rel. vert. accel 0.575 m^2/s^4 0.758 m/s^2 1.516 m/s^2 0.787 (7.99) 1.277 (4.92) 1.171 (5.36) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.012 m 0.024 m 8.210 (0.77) 7.121 (0.88) 6.888 (0.91) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.011 m/s 0.022 m/s 8.070 (0.78) 6.123 (1.03) 5.806 (1.08) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.012 m/s^2 0.023 m/s^2 7.922 (0.79) 4.826 (1.30) 4.458 (1.41) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.001 m^2 0.038 m 0.077 m 8.064 (0.78) 6.259 (1.00) 6.008 (1.05) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.002 m^2/s^2 0.040 m/s 0.080 m/s 7.924 (0.79) 5.235 (1.20) 4.947 (1.27) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.003 m^2/s^4 0.051 m/s^2 0.102 m/s^2 4.522 (1.39) 4.115 (1.53) 3.846 (1.63) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.369 SM 0.237 % 0.030 % -- -- --
Bridge deck: Abs. vert. motion 0.037 m^2 0.192 m 0.383 m 8.319 (0.76) 7.872 (0.80) 7.713 (0.81) s (rad/s)
Bridge deck: Rel. vert. motion 0.033 m^2 0.180 m 0.361 m 8.153 (0.77) 5.157 (1.22) 4.460 (1.41) s (rad/s)
Bridge deck: Abs. vert. velocity 0.024 m^2/s^2 0.156 m/s 0.312 m/s 8.218 (0.76) 7.205 (0.87) 7.001 (0.90) s (rad/s)
Bridge deck: Rel. vert. velocity 0.065 m^2/s^2 0.254 m/s 0.508 m/s 8.019 (0.78) 2.583 (2.43) 2.105 (2.98) s (rad/s)
Bridge deck: Abs. vert. accel 0.020 m^2/s^4 0.140 m/s^2 0.280 m/s^2 8.086 (0.78) 6.339 (0.99) 6.063 (1.04) s (rad/s)
Bridge deck: Rel. vert. accel 0.575 m^2/s^4 0.758 m/s^2 1.516 m/s^2 0.787 (7.99) 1.277 (4.92) 1.171 (5.36) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.022 m 0.043 m 8.210 (0.77) 7.121 (0.88) 6.888 (0.91) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.020 m/s 0.039 m/s 8.070 (0.78) 6.123 (1.03) 5.806 (1.08) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.021 m/s^2 0.043 m/s^2 7.922 (0.79) 4.826 (1.30) 4.458 (1.41) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.005 m^2 0.070 m 0.140 m 8.064 (0.78) 6.259 (1.00) 6.008 (1.05) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.005 m^2/s^2 0.073 m/s 0.147 m/s 7.924 (0.79) 5.235 (1.20) 4.947 (1.27) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.009 m^2/s^4 0.093 m/s^2 0.186 m/s^2 4.522 (1.39) 4.115 (1.53) 3.846 (1.63) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.369 SM 0.237 % 0.030 % -- -- --

Design Speed, 17 kn; 4.336 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 2.000 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 4.336 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.251 m^2 0.501 m 1.001 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.251 m^2 0.501 m 1.001 m 8.282 (0.76) 6.536 (0.96) 5.825 (1.08) s (rad/s)
Added resistance 10.814 kN -- -- 8.206 (0.77) 6.387 (0.98) 5.787 (1.09) s (rad/s)
Heave motion 0.166 m^2 0.408 m 0.816 m 8.309 (0.76) 7.747 (0.81) 7.580 (0.83) s (rad/s)
Roll motion 0.00052 rad^2 0.02288 rad 0.04576 rad 8.068 (0.78) 6.251 (1.01) 5.999 (1.05) s (rad/s)
Pitch motion 0.00005 rad^2 0.00713 rad 0.01426 rad 8.226 (0.76) 7.130 (0.88) 6.897 (0.91) s (rad/s)
Heave velocity 0.114 m^2/s^2 0.338 m/s 0.676 m/s 8.194 (0.77) 7.033 (0.89) 6.803 (0.92) s (rad/s)
Roll velocity 0.00057 (rad/s)^2 0.02396 rad/s 0.04792 rad/s 7.925 (0.79) 5.228 (1.20) 4.942 (1.27) s (rad/s)
Pitch velocity 0.00004 (rad/s)^2 0.00649 rad/s 0.01299 rad/s 8.094 (0.78) 6.132 (1.02) 5.814 (1.08) s (rad/s)
Heave acceleration 0.097 m^2/s^4 0.312 m/s^2 0.624 m/s^2 8.060 (0.78) 6.031 (1.04) 5.681 (1.11) s (rad/s)
Roll acceleration 0.00093 (rad/s/s)^2 0.03046 rad/s/s 0.06093 rad/s/s 4.722 (1.33) 4.115 (1.53) 3.846 (1.63) s (rad/s)
Pitch acceleration 0.00005 (rad/s/s)^2 0.00702 rad/s/s 0.01403 rad/s/s 7.955 (0.79) 4.835 (1.30) 4.466 (1.41) s (rad/s)
passenger deck aft: Abs. vert. motion 0.207 m^2 0.455 m 0.911 m 8.300 (0.76) 7.691 (0.82) 7.518 (0.84) s (rad/s)
passenger deck aft: Rel. vert. motion 0.031 m^2 0.176 m 0.352 m 3.764 (1.67) 3.405 (1.85) 3.049 (2.06) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.145 m^2/s^2 0.380 m/s 0.761 m/s 8.182 (0.77) 6.950 (0.90) 6.706 (0.94) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.132 m^2/s^2 0.363 m/s 0.726 m/s 3.166 (1.98) 2.093 (3.00) 1.820 (3.45) s (rad/s)
passenger deck aft: Abs. vert. accel 0.127 m^2/s^4 0.356 m/s^2 0.713 m/s^2 8.047 (0.78) 5.888 (1.07) 5.516 (1.14) s (rad/s)
passenger deck aft: Rel. vert. accel 1.572 m^2/s^4 1.254 m/s^2 2.507 m/s^2 2.878 (2.18) 1.254 (5.01) 1.160 (5.42) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.020 m 0.040 m 8.218 (0.76) 7.127 (0.88) 6.893 (0.91) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.018 m/s 0.036 m/s 8.080 (0.78) 6.127 (1.03) 5.809 (1.08) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.019 m/s^2 0.039 m/s^2 7.932 (0.79) 4.827 (1.30) 4.459 (1.41) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.004 m^2 0.064 m 0.128 m 8.074 (0.78) 6.262 (1.00) 6.011 (1.05) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.004 m^2/s^2 0.067 m/s 0.134 m/s 7.934 (0.79) 5.236 (1.20) 4.948 (1.27) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.007 m^2/s^4 0.085 m/s^2 0.170 m/s^2 4.528 (1.39) 4.116 (1.53) 3.846 (1.63) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 1.421 SM 3.585 % 1.318 % -- -- --
passenger deck forward: Abs. vert. motion 0.102 m^2 0.320 m 0.639 m 8.329 (0.75) 7.879 (0.80) 7.721 (0.81) s (rad/s)
passenger deck forward: Rel. vert. motion 0.090 m^2 0.300 m 0.601 m 8.164 (0.77) 5.161 (1.22) 4.464 (1.41) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.068 m^2/s^2 0.260 m/s 0.520 m/s 8.228 (0.76) 7.212 (0.87) 7.007 (0.90) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.179 m^2/s^2 0.423 m/s 0.845 m/s 8.027 (0.78) 2.586 (2.43) 2.107 (2.98) s (rad/s)
passenger deck forward: Abs. vert. accel 0.054 m^2/s^4 0.233 m/s^2 0.466 m/s^2 8.096 (0.78) 6.343 (0.99) 6.066 (1.04) s (rad/s)
passenger deck forward: Rel. vert. accel 1.587 m^2/s^4 1.260 m/s^2 2.519 m/s^2 0.785 (8.00) 1.279 (4.91) 1.173 (5.36) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.020 m 0.040 m 8.218 (0.76) 7.127 (0.88) 6.893 (0.91) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.018 m/s 0.036 m/s 8.080 (0.78) 6.127 (1.03) 5.809 (1.08) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.019 m/s^2 0.039 m/s^2 7.932 (0.79) 4.827 (1.30) 4.459 (1.41) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.004 m^2 0.064 m 0.128 m 8.074 (0.78) 6.262 (1.00) 6.011 (1.05) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.004 m^2/s^2 0.067 m/s 0.134 m/s 7.934 (0.79) 5.236 (1.20) 4.948 (1.27) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.007 m^2/s^4 0.085 m/s^2 0.170 m/s^2 4.528 (1.39) 4.116 (1.53) 3.846 (1.63) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.765 SM 1.160 % 0.276 % -- -- --
Bridge deck: Abs. vert. motion 0.102 m^2 0.320 m 0.639 m 8.329 (0.75) 7.879 (0.80) 7.721 (0.81) s (rad/s)
Bridge deck: Rel. vert. motion 0.090 m^2 0.300 m 0.601 m 8.164 (0.77) 5.161 (1.22) 4.464 (1.41) s (rad/s)
Bridge deck: Abs. vert. velocity 0.068 m^2/s^2 0.260 m/s 0.520 m/s 8.228 (0.76) 7.212 (0.87) 7.007 (0.90) s (rad/s)
Bridge deck: Rel. vert. velocity 0.179 m^2/s^2 0.423 m/s 0.845 m/s 8.027 (0.78) 2.586 (2.43) 2.107 (2.98) s (rad/s)
Bridge deck: Abs. vert. accel 0.054 m^2/s^4 0.233 m/s^2 0.466 m/s^2 8.096 (0.78) 6.343 (0.99) 6.066 (1.04) s (rad/s)
Bridge deck: Rel. vert. accel 1.587 m^2/s^4 1.260 m/s^2 2.519 m/s^2 0.785 (8.00) 1.279 (4.91) 1.173 (5.36) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.001 m^2 0.036 m 0.072 m 8.218 (0.76) 7.127 (0.88) 6.893 (0.91) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.001 m^2/s^2 0.033 m/s 0.066 m/s 8.080 (0.78) 6.127 (1.03) 5.809 (1.08) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.001 m^2/s^4 0.036 m/s^2 0.071 m/s^2 7.932 (0.79) 4.827 (1.30) 4.459 (1.41) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.014 m^2 0.117 m 0.233 m 8.074 (0.78) 6.262 (1.00) 6.011 (1.05) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.015 m^2/s^2 0.122 m/s 0.244 m/s 7.934 (0.79) 5.236 (1.20) 4.948 (1.27) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.024 m^2/s^4 0.155 m/s^2 0.310 m/s^2 4.528 (1.39) 4.116 (1.53) 3.846 (1.63) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.765 SM 1.160 % 0.276 % -- -- --

Design Speed, 17 kn; 4.602 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.956 s -- -- -- -- --
Characteristic wave height 0.300 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 4.602 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.006 m^2 0.075 m 0.150 m 9.960 (0.63) 8.340 (0.75) 7.849 (0.80) s (rad/s)
Encountered wave spectrum 0.006 m^2 0.075 m 0.150 m 9.380 (0.67) 7.694 (0.82) 7.115 (0.88) s (rad/s)
Added resistance 0.249 kN -- -- 9.296 (0.68) 7.147 (0.88) 6.467 (0.97) s (rad/s)
Heave motion 0.004 m^2 0.060 m 0.119 m 9.407 (0.67) 8.906 (0.71) 8.756 (0.72) s (rad/s)
Roll motion 0.00001 rad^2 0.00350 rad 0.00699 rad 9.179 (0.68) 7.271 (0.86) 6.965 (0.90) s (rad/s)
Pitch motion 0.00000 rad^2 0.00125 rad 0.00250 rad 9.361 (0.67) 8.571 (0.73) 8.399 (0.75) s (rad/s)
Heave velocity 0.002 m^2/s^2 0.043 m/s 0.086 m/s 9.300 (0.68) 8.263 (0.76) 8.048 (0.78) s (rad/s)
Roll velocity 0.00001 (rad/s)^2 0.00315 rad/s 0.00631 rad/s 9.055 (0.69) 5.974 (1.05) 5.594 (1.12) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00094 rad/s 0.00187 rad/s 9.242 (0.68) 7.807 (0.80) 7.528 (0.83) s (rad/s)
Heave acceleration 0.001 m^2/s^4 0.033 m/s^2 0.067 m/s^2 9.181 (0.68) 7.286 (0.86) 6.896 (0.91) s (rad/s)
Roll acceleration 0.00001 (rad/s/s)^2 0.00354 rad/s/s 0.00708 rad/s/s 5.860 (1.07) 4.553 (1.38) 4.264 (1.47) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00078 rad/s/s 0.00156 rad/s/s 9.093 (0.69) 6.520 (0.96) 6.019 (1.04) s (rad/s)
passenger deck aft: Abs. vert. motion 0.005 m^2 0.067 m 0.135 m 9.397 (0.67) 8.851 (0.71) 8.698 (0.72) s (rad/s)
passenger deck aft: Rel. vert. motion 0.001 m^2 0.026 m 0.052 m 4.500 (1.40) 4.322 (1.45) 4.003 (1.57) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.002 m^2/s^2 0.049 m/s 0.097 m/s 9.284 (0.68) 8.191 (0.77) 7.967 (0.79) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.002 m^2/s^2 0.041 m/s 0.082 m/s 4.090 (1.54) 3.113 (2.02) 2.828 (2.22) s (rad/s)
passenger deck aft: Abs. vert. accel 0.001 m^2/s^4 0.038 m/s^2 0.077 m/s^2 9.179 (0.68) 7.166 (0.88) 6.754 (0.93) s (rad/s)
passenger deck aft: Rel. vert. accel 0.008 m^2/s^4 0.091 m/s^2 0.182 m/s^2 3.743 (1.68) 2.138 (2.94) 1.983 (3.17) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.003 m 0.007 m 9.315 (0.67) 8.571 (0.73) 8.398 (0.75) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.005 m/s 9.187 (0.68) 7.804 (0.81) 7.522 (0.84) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.002 m/s^2 0.004 m/s^2 9.151 (0.69) 6.503 (0.97) 5.997 (1.05) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.010 m 0.020 m 9.177 (0.68) 7.289 (0.86) 6.981 (0.90) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.009 m/s 0.018 m/s 9.049 (0.69) 5.983 (1.05) 5.599 (1.12) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.010 m/s^2 0.020 m/s^2 5.696 (1.10) 4.550 (1.38) 4.260 (1.47) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.055 SM 0.001 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.002 m^2 0.045 m 0.091 m 9.437 (0.67) 9.074 (0.69) 8.934 (0.70) s (rad/s)
passenger deck forward: Rel. vert. motion 0.002 m^2 0.043 m 0.086 m 9.261 (0.68) 6.204 (1.01) 5.575 (1.13) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.001 m^2/s^2 0.032 m/s 0.064 m/s 9.348 (0.67) 8.483 (0.74) 8.295 (0.76) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.002 m^2/s^2 0.049 m/s 0.097 m/s 9.149 (0.69) 3.808 (1.65) 3.290 (1.91) s (rad/s)
passenger deck forward: Abs. vert. accel 0.001 m^2/s^4 0.024 m/s^2 0.048 m/s^2 9.226 (0.68) 7.650 (0.82) 7.337 (0.86) s (rad/s)
passenger deck forward: Rel. vert. accel 0.009 m^2/s^4 0.093 m/s^2 0.186 m/s^2 3.743 (1.68) 2.214 (2.84) 2.026 (3.10) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.003 m 0.007 m 9.315 (0.67) 8.571 (0.73) 8.398 (0.75) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.005 m/s 9.187 (0.68) 7.804 (0.81) 7.522 (0.84) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.002 m/s^2 0.004 m/s^2 9.151 (0.69) 6.503 (0.97) 5.997 (1.05) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.010 m 0.020 m 9.177 (0.68) 7.289 (0.86) 6.981 (0.90) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.009 m/s 0.018 m/s 9.049 (0.69) 5.983 (1.05) 5.599 (1.12) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.010 m/s^2 0.020 m/s^2 5.696 (1.10) 4.550 (1.38) 4.260 (1.47) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.028 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.002 m^2 0.045 m 0.091 m 9.437 (0.67) 9.074 (0.69) 8.934 (0.70) s (rad/s)
Bridge deck: Rel. vert. motion 0.002 m^2 0.043 m 0.086 m 9.261 (0.68) 6.204 (1.01) 5.575 (1.13) s (rad/s)
Bridge deck: Abs. vert. velocity 0.001 m^2/s^2 0.032 m/s 0.064 m/s 9.348 (0.67) 8.483 (0.74) 8.295 (0.76) s (rad/s)
Bridge deck: Rel. vert. velocity 0.002 m^2/s^2 0.049 m/s 0.097 m/s 9.149 (0.69) 3.808 (1.65) 3.290 (1.91) s (rad/s)
Bridge deck: Abs. vert. accel 0.001 m^2/s^4 0.024 m/s^2 0.048 m/s^2 9.226 (0.68) 7.650 (0.82) 7.337 (0.86) s (rad/s)
Bridge deck: Rel. vert. accel 0.009 m^2/s^4 0.093 m/s^2 0.186 m/s^2 3.743 (1.68) 2.214 (2.84) 2.026 (3.10) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.006 m 0.013 m 9.315 (0.67) 8.571 (0.73) 8.398 (0.75) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.009 m/s 9.187 (0.68) 7.804 (0.81) 7.522 (0.84) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.004 m/s^2 0.008 m/s^2 9.151 (0.69) 6.503 (0.97) 5.997 (1.05) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.018 m 0.036 m 9.177 (0.68) 7.289 (0.86) 6.981 (0.90) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.016 m/s 0.032 m/s 9.049 (0.69) 5.983 (1.05) 5.599 (1.12) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.018 m/s^2 0.036 m/s^2 5.696 (1.10) 4.550 (1.38) 4.260 (1.47) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.028 SM 0.000 % 0.000 % -- -- --

Design Speed, 17 kn; 4.602 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 4.602 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 9.399 (0.67) 7.710 (0.81) 7.130 (0.88) s (rad/s)
Added resistance 0.996 kN -- -- 9.316 (0.67) 7.160 (0.88) 6.478 (0.97) s (rad/s)
Heave motion 0.014 m^2 0.119 m 0.239 m 9.425 (0.67) 8.921 (0.70) 8.770 (0.72) s (rad/s)
Roll motion 0.00005 rad^2 0.00698 rad 0.01396 rad 9.180 (0.68) 7.279 (0.86) 6.971 (0.90) s (rad/s)
Pitch motion 0.00001 rad^2 0.00251 rad 0.00501 rad 9.380 (0.67) 8.584 (0.73) 8.411 (0.75) s (rad/s)
Heave velocity 0.007 m^2/s^2 0.085 m/s 0.171 m/s 9.318 (0.67) 8.275 (0.76) 8.059 (0.78) s (rad/s)
Roll velocity 0.00004 (rad/s)^2 0.00629 rad/s 0.01258 rad/s 9.074 (0.69) 5.978 (1.05) 5.597 (1.12) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00187 rad/s 0.00374 rad/s 9.260 (0.68) 7.817 (0.80) 7.536 (0.83) s (rad/s)
Heave acceleration 0.004 m^2/s^4 0.067 m/s^2 0.133 m/s^2 9.194 (0.68) 7.294 (0.86) 6.903 (0.91) s (rad/s)
Roll acceleration 0.00005 (rad/s/s)^2 0.00706 rad/s/s 0.01412 rad/s/s 5.817 (1.08) 4.554 (1.38) 4.265 (1.47) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00156 rad/s/s 0.00312 rad/s/s 9.110 (0.69) 6.525 (0.96) 6.024 (1.04) s (rad/s)
passenger deck aft: Abs. vert. motion 0.018 m^2 0.135 m 0.270 m 9.414 (0.67) 8.865 (0.71) 8.711 (0.72) s (rad/s)
passenger deck aft: Rel. vert. motion 0.003 m^2 0.052 m 0.104 m 4.510 (1.39) 4.324 (1.45) 4.005 (1.57) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.009 m^2/s^2 0.097 m/s 0.195 m/s 9.301 (0.68) 8.202 (0.77) 7.977 (0.79) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.007 m^2/s^2 0.082 m/s 0.163 m/s 4.070 (1.54) 3.116 (2.02) 2.832 (2.22) s (rad/s)
passenger deck aft: Abs. vert. accel 0.006 m^2/s^4 0.077 m/s^2 0.153 m/s^2 9.180 (0.68) 7.174 (0.88) 6.761 (0.93) s (rad/s)
passenger deck aft: Rel. vert. accel 0.033 m^2/s^4 0.181 m/s^2 0.363 m/s^2 3.727 (1.69) 2.142 (2.93) 1.988 (3.16) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.007 m 0.014 m 9.334 (0.67) 8.583 (0.73) 8.410 (0.75) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.010 m/s 9.207 (0.68) 7.814 (0.80) 7.531 (0.83) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.004 m/s^2 0.009 m/s^2 9.168 (0.69) 6.509 (0.97) 6.002 (1.05) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.019 m 0.039 m 9.197 (0.68) 7.297 (0.86) 6.987 (0.90) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.018 m/s 0.035 m/s 9.066 (0.69) 5.987 (1.05) 5.603 (1.12) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.020 m/s^2 0.039 m/s^2 5.656 (1.11) 4.552 (1.38) 4.262 (1.47) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.148 SM 0.021 % 0.001 % -- -- --
passenger deck forward: Abs. vert. motion 0.008 m^2 0.091 m 0.182 m 9.457 (0.66) 9.089 (0.69) 8.949 (0.70) s (rad/s)
passenger deck forward: Rel. vert. motion 0.007 m^2 0.086 m 0.172 m 9.280 (0.68) 6.214 (1.01) 5.583 (1.13) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.004 m^2/s^2 0.064 m/s 0.128 m/s 9.366 (0.67) 8.496 (0.74) 8.307 (0.76) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.009 m^2/s^2 0.097 m/s 0.194 m/s 9.168 (0.69) 3.814 (1.65) 3.295 (1.91) s (rad/s)
passenger deck forward: Abs. vert. accel 0.002 m^2/s^4 0.048 m/s^2 0.097 m/s^2 9.243 (0.68) 7.660 (0.82) 7.345 (0.86) s (rad/s)
passenger deck forward: Rel. vert. accel 0.034 m^2/s^4 0.185 m/s^2 0.370 m/s^2 3.751 (1.68) 2.218 (2.83) 2.030 (3.09) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.007 m 0.014 m 9.334 (0.67) 8.583 (0.73) 8.410 (0.75) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.010 m/s 9.207 (0.68) 7.814 (0.80) 7.531 (0.83) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.004 m/s^2 0.009 m/s^2 9.168 (0.69) 6.509 (0.97) 6.002 (1.05) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.019 m 0.039 m 9.197 (0.68) 7.297 (0.86) 6.987 (0.90) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.018 m/s 0.035 m/s 9.066 (0.69) 5.987 (1.05) 5.603 (1.12) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.020 m/s^2 0.039 m/s^2 5.656 (1.11) 4.552 (1.38) 4.262 (1.47) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.075 SM 0.003 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.008 m^2 0.091 m 0.182 m 9.457 (0.66) 9.089 (0.69) 8.949 (0.70) s (rad/s)
Bridge deck: Rel. vert. motion 0.007 m^2 0.086 m 0.172 m 9.280 (0.68) 6.214 (1.01) 5.583 (1.13) s (rad/s)
Bridge deck: Abs. vert. velocity 0.004 m^2/s^2 0.064 m/s 0.128 m/s 9.366 (0.67) 8.496 (0.74) 8.307 (0.76) s (rad/s)
Bridge deck: Rel. vert. velocity 0.009 m^2/s^2 0.097 m/s 0.194 m/s 9.168 (0.69) 3.814 (1.65) 3.295 (1.91) s (rad/s)
Bridge deck: Abs. vert. accel 0.002 m^2/s^4 0.048 m/s^2 0.097 m/s^2 9.243 (0.68) 7.660 (0.82) 7.345 (0.86) s (rad/s)
Bridge deck: Rel. vert. accel 0.034 m^2/s^4 0.185 m/s^2 0.370 m/s^2 3.751 (1.68) 2.218 (2.83) 2.030 (3.09) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.013 m 0.025 m 9.334 (0.67) 8.583 (0.73) 8.410 (0.75) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.009 m/s 0.019 m/s 9.207 (0.68) 7.814 (0.80) 7.531 (0.83) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.008 m/s^2 0.016 m/s^2 9.168 (0.69) 6.509 (0.97) 6.002 (1.05) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.001 m^2 0.036 m 0.071 m 9.197 (0.68) 7.297 (0.86) 6.987 (0.90) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.001 m^2/s^2 0.032 m/s 0.064 m/s 9.066 (0.69) 5.987 (1.05) 5.603 (1.12) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.001 m^2/s^4 0.036 m/s^2 0.072 m/s^2 5.656 (1.11) 4.552 (1.38) 4.262 (1.47) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.075 SM 0.003 % 0.000 % -- -- --

Design Speed, 17 kn; 4.602 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.965 s -- -- -- -- --
Characteristic wave height 1.200 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 4.602 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.090 m^2 0.300 m 0.601 m 9.969 (0.63) 8.348 (0.75) 7.856 (0.80) s (rad/s)
Encountered wave spectrum 0.090 m^2 0.300 m 0.601 m 9.389 (0.67) 7.701 (0.82) 7.122 (0.88) s (rad/s)
Added resistance 3.988 kN -- -- 9.305 (0.68) 7.153 (0.88) 6.472 (0.97) s (rad/s)
Heave motion 0.057 m^2 0.239 m 0.477 m 9.416 (0.67) 8.913 (0.70) 8.763 (0.72) s (rad/s)
Roll motion 0.00020 rad^2 0.01397 rad 0.02794 rad 9.180 (0.68) 7.275 (0.86) 6.967 (0.90) s (rad/s)
Pitch motion 0.00003 rad^2 0.00501 rad 0.01002 rad 9.370 (0.67) 8.577 (0.73) 8.404 (0.75) s (rad/s)
Heave velocity 0.029 m^2/s^2 0.171 m/s 0.342 m/s 9.309 (0.67) 8.268 (0.76) 8.053 (0.78) s (rad/s)
Roll velocity 0.00016 (rad/s)^2 0.01260 rad/s 0.02519 rad/s 9.064 (0.69) 5.976 (1.05) 5.595 (1.12) s (rad/s)
Pitch velocity 0.00001 (rad/s)^2 0.00374 rad/s 0.00749 rad/s 9.249 (0.68) 7.812 (0.80) 7.531 (0.83) s (rad/s)
Heave acceleration 0.018 m^2/s^4 0.133 m/s^2 0.267 m/s^2 9.184 (0.68) 7.290 (0.86) 6.899 (0.91) s (rad/s)
Roll acceleration 0.00020 (rad/s/s)^2 0.01414 rad/s/s 0.02829 rad/s/s 5.810 (1.08) 4.554 (1.38) 4.264 (1.47) s (rad/s)
Pitch acceleration 0.00001 (rad/s/s)^2 0.00312 rad/s/s 0.00625 rad/s/s 9.102 (0.69) 6.522 (0.96) 6.021 (1.04) s (rad/s)
passenger deck aft: Abs. vert. motion 0.073 m^2 0.270 m 0.540 m 9.406 (0.67) 8.857 (0.71) 8.704 (0.72) s (rad/s)
passenger deck aft: Rel. vert. motion 0.011 m^2 0.104 m 0.209 m 4.505 (1.39) 4.323 (1.45) 4.004 (1.57) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.038 m^2/s^2 0.195 m/s 0.390 m/s 9.292 (0.68) 8.196 (0.77) 7.971 (0.79) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.027 m^2/s^2 0.164 m/s 0.328 m/s 4.094 (1.53) 3.114 (2.02) 2.830 (2.22) s (rad/s)
passenger deck aft: Abs. vert. accel 0.024 m^2/s^4 0.154 m/s^2 0.307 m/s^2 9.180 (0.68) 7.170 (0.88) 6.757 (0.93) s (rad/s)
passenger deck aft: Rel. vert. accel 0.132 m^2/s^4 0.364 m/s^2 0.727 m/s^2 3.722 (1.69) 2.140 (2.94) 1.986 (3.16) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.014 m 0.028 m 9.324 (0.67) 8.577 (0.73) 8.403 (0.75) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.010 m/s 0.021 m/s 9.196 (0.68) 7.809 (0.80) 7.526 (0.83) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.009 m/s^2 0.017 m/s^2 9.160 (0.69) 6.506 (0.97) 6.000 (1.05) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.002 m^2 0.039 m 0.078 m 9.188 (0.68) 7.293 (0.86) 6.984 (0.90) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.001 m^2/s^2 0.035 m/s 0.070 m/s 9.058 (0.69) 5.985 (1.05) 5.601 (1.12) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.002 m^2/s^4 0.039 m/s^2 0.079 m/s^2 5.702 (1.10) 4.551 (1.38) 4.261 (1.47) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.399 SM 0.278 % 0.036 % -- -- --
passenger deck forward: Abs. vert. motion 0.033 m^2 0.182 m 0.364 m 9.446 (0.67) 9.081 (0.69) 8.941 (0.70) s (rad/s)
passenger deck forward: Rel. vert. motion 0.030 m^2 0.173 m 0.345 m 9.270 (0.68) 6.208 (1.01) 5.579 (1.13) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.016 m^2/s^2 0.128 m/s 0.256 m/s 9.357 (0.67) 8.489 (0.74) 8.301 (0.76) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.038 m^2/s^2 0.194 m/s 0.389 m/s 9.158 (0.69) 3.811 (1.65) 3.293 (1.91) s (rad/s)
passenger deck forward: Abs. vert. accel 0.009 m^2/s^4 0.097 m/s^2 0.194 m/s^2 9.235 (0.68) 7.655 (0.82) 7.341 (0.86) s (rad/s)
passenger deck forward: Rel. vert. accel 0.137 m^2/s^4 0.371 m/s^2 0.741 m/s^2 3.747 (1.68) 2.216 (2.84) 2.028 (3.10) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.014 m 0.028 m 9.324 (0.67) 8.577 (0.73) 8.403 (0.75) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.010 m/s 0.021 m/s 9.196 (0.68) 7.809 (0.80) 7.526 (0.83) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.009 m/s^2 0.017 m/s^2 9.160 (0.69) 6.506 (0.97) 6.000 (1.05) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.002 m^2 0.039 m 0.078 m 9.188 (0.68) 7.293 (0.86) 6.984 (0.90) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.001 m^2/s^2 0.035 m/s 0.070 m/s 9.058 (0.69) 5.985 (1.05) 5.601 (1.12) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.002 m^2/s^4 0.039 m/s^2 0.079 m/s^2 5.702 (1.10) 4.551 (1.38) 4.261 (1.47) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.202 SM 0.049 % 0.003 % -- -- --
Bridge deck: Abs. vert. motion 0.033 m^2 0.182 m 0.364 m 9.446 (0.67) 9.081 (0.69) 8.941 (0.70) s (rad/s)
Bridge deck: Rel. vert. motion 0.030 m^2 0.173 m 0.345 m 9.270 (0.68) 6.208 (1.01) 5.579 (1.13) s (rad/s)
Bridge deck: Abs. vert. velocity 0.016 m^2/s^2 0.128 m/s 0.256 m/s 9.357 (0.67) 8.489 (0.74) 8.301 (0.76) s (rad/s)
Bridge deck: Rel. vert. velocity 0.038 m^2/s^2 0.194 m/s 0.389 m/s 9.158 (0.69) 3.811 (1.65) 3.293 (1.91) s (rad/s)
Bridge deck: Abs. vert. accel 0.009 m^2/s^4 0.097 m/s^2 0.194 m/s^2 9.235 (0.68) 7.655 (0.82) 7.341 (0.86) s (rad/s)
Bridge deck: Rel. vert. accel 0.137 m^2/s^4 0.371 m/s^2 0.741 m/s^2 3.747 (1.68) 2.216 (2.84) 2.028 (3.10) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.001 m^2 0.025 m 0.050 m 9.324 (0.67) 8.577 (0.73) 8.403 (0.75) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.019 m/s 0.038 m/s 9.196 (0.68) 7.809 (0.80) 7.526 (0.83) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.016 m/s^2 0.031 m/s^2 9.160 (0.69) 6.506 (0.97) 6.000 (1.05) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.005 m^2 0.071 m 0.142 m 9.188 (0.68) 7.293 (0.86) 6.984 (0.90) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.004 m^2/s^2 0.064 m/s 0.128 m/s 9.058 (0.69) 5.985 (1.05) 5.601 (1.12) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.005 m^2/s^4 0.072 m/s^2 0.144 m/s^2 5.702 (1.10) 4.551 (1.38) 4.261 (1.47) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.202 SM 0.049 % 0.003 % -- -- --

Design Speed, 17 kn; 4.602 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 2.000 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 4.602 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.251 m^2 0.501 m 1.001 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.251 m^2 0.501 m 1.001 m 9.399 (0.67) 7.710 (0.81) 7.130 (0.88) s (rad/s)
Added resistance 11.068 kN -- -- 9.316 (0.67) 7.160 (0.88) 6.478 (0.97) s (rad/s)
Heave motion 0.158 m^2 0.398 m 0.796 m 9.425 (0.67) 8.921 (0.70) 8.770 (0.72) s (rad/s)
Roll motion 0.00054 rad^2 0.02326 rad 0.04652 rad 9.180 (0.68) 7.279 (0.86) 6.971 (0.90) s (rad/s)
Pitch motion 0.00007 rad^2 0.00835 rad 0.01670 rad 9.380 (0.67) 8.584 (0.73) 8.411 (0.75) s (rad/s)
Heave velocity 0.081 m^2/s^2 0.285 m/s 0.570 m/s 9.318 (0.67) 8.275 (0.76) 8.059 (0.78) s (rad/s)
Roll velocity 0.00044 (rad/s)^2 0.02096 rad/s 0.04193 rad/s 9.074 (0.69) 5.978 (1.05) 5.597 (1.12) s (rad/s)
Pitch velocity 0.00004 (rad/s)^2 0.00624 rad/s 0.01247 rad/s 9.260 (0.68) 7.817 (0.80) 7.536 (0.83) s (rad/s)
Heave acceleration 0.049 m^2/s^4 0.222 m/s^2 0.444 m/s^2 9.194 (0.68) 7.294 (0.86) 6.903 (0.91) s (rad/s)
Roll acceleration 0.00055 (rad/s/s)^2 0.02353 rad/s/s 0.04706 rad/s/s 5.817 (1.08) 4.554 (1.38) 4.265 (1.47) s (rad/s)
Pitch acceleration 0.00003 (rad/s/s)^2 0.00520 rad/s/s 0.01040 rad/s/s 9.110 (0.69) 6.525 (0.96) 6.024 (1.04) s (rad/s)
passenger deck aft: Abs. vert. motion 0.203 m^2 0.450 m 0.900 m 9.414 (0.67) 8.865 (0.71) 8.711 (0.72) s (rad/s)
passenger deck aft: Rel. vert. motion 0.030 m^2 0.174 m 0.347 m 4.510 (1.39) 4.324 (1.45) 4.005 (1.57) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.105 m^2/s^2 0.325 m/s 0.649 m/s 9.301 (0.68) 8.202 (0.77) 7.977 (0.79) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.074 m^2/s^2 0.272 m/s 0.545 m/s 4.070 (1.54) 3.116 (2.02) 2.832 (2.22) s (rad/s)
passenger deck aft: Abs. vert. accel 0.065 m^2/s^4 0.256 m/s^2 0.511 m/s^2 9.180 (0.68) 7.174 (0.88) 6.761 (0.93) s (rad/s)
passenger deck aft: Rel. vert. accel 0.365 m^2/s^4 0.604 m/s^2 1.209 m/s^2 3.727 (1.69) 2.142 (2.93) 1.988 (3.16) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.001 m^2 0.023 m 0.046 m 9.334 (0.67) 8.583 (0.73) 8.410 (0.75) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.017 m/s 0.034 m/s 9.207 (0.68) 7.814 (0.80) 7.531 (0.83) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.014 m/s^2 0.029 m/s^2 9.168 (0.69) 6.509 (0.97) 6.002 (1.05) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.004 m^2 0.065 m 0.130 m 9.197 (0.68) 7.297 (0.86) 6.987 (0.90) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.003 m^2/s^2 0.058 m/s 0.117 m/s 9.066 (0.69) 5.987 (1.05) 5.603 (1.12) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.004 m^2/s^4 0.065 m/s^2 0.131 m/s^2 5.656 (1.11) 4.552 (1.38) 4.262 (1.47) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.827 SM 1.323 % 0.322 % -- -- --
passenger deck forward: Abs. vert. motion 0.092 m^2 0.304 m 0.607 m 9.457 (0.66) 9.089 (0.69) 8.949 (0.70) s (rad/s)
passenger deck forward: Rel. vert. motion 0.083 m^2 0.287 m 0.575 m 9.280 (0.68) 6.214 (1.01) 5.583 (1.13) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.045 m^2/s^2 0.213 m/s 0.426 m/s 9.366 (0.67) 8.496 (0.74) 8.307 (0.76) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.104 m^2/s^2 0.323 m/s 0.646 m/s 9.168 (0.69) 3.814 (1.65) 3.295 (1.91) s (rad/s)
passenger deck forward: Abs. vert. accel 0.026 m^2/s^4 0.161 m/s^2 0.322 m/s^2 9.243 (0.68) 7.660 (0.82) 7.345 (0.86) s (rad/s)
passenger deck forward: Rel. vert. accel 0.380 m^2/s^4 0.616 m/s^2 1.232 m/s^2 3.751 (1.68) 2.218 (2.83) 2.030 (3.09) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.001 m^2 0.023 m 0.046 m 9.334 (0.67) 8.583 (0.73) 8.410 (0.75) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.017 m/s 0.034 m/s 9.207 (0.68) 7.814 (0.80) 7.531 (0.83) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.014 m/s^2 0.029 m/s^2 9.168 (0.69) 6.509 (0.97) 6.002 (1.05) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.004 m^2 0.065 m 0.130 m 9.197 (0.68) 7.297 (0.86) 6.987 (0.90) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.003 m^2/s^2 0.058 m/s 0.117 m/s 9.066 (0.69) 5.987 (1.05) 5.603 (1.12) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.004 m^2/s^4 0.065 m/s^2 0.131 m/s^2 5.656 (1.11) 4.552 (1.38) 4.262 (1.47) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.419 SM 0.304 % 0.040 % -- -- --
Bridge deck: Abs. vert. motion 0.092 m^2 0.304 m 0.607 m 9.457 (0.66) 9.089 (0.69) 8.949 (0.70) s (rad/s)
Bridge deck: Rel. vert. motion 0.083 m^2 0.287 m 0.575 m 9.280 (0.68) 6.214 (1.01) 5.583 (1.13) s (rad/s)
Bridge deck: Abs. vert. velocity 0.045 m^2/s^2 0.213 m/s 0.426 m/s 9.366 (0.67) 8.496 (0.74) 8.307 (0.76) s (rad/s)
Bridge deck: Rel. vert. velocity 0.104 m^2/s^2 0.323 m/s 0.646 m/s 9.168 (0.69) 3.814 (1.65) 3.295 (1.91) s (rad/s)
Bridge deck: Abs. vert. accel 0.026 m^2/s^4 0.161 m/s^2 0.322 m/s^2 9.243 (0.68) 7.660 (0.82) 7.345 (0.86) s (rad/s)
Bridge deck: Rel. vert. accel 0.380 m^2/s^4 0.616 m/s^2 1.232 m/s^2 3.751 (1.68) 2.218 (2.83) 2.030 (3.09) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.002 m^2 0.042 m 0.084 m 9.334 (0.67) 8.583 (0.73) 8.410 (0.75) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.001 m^2/s^2 0.031 m/s 0.063 m/s 9.207 (0.68) 7.814 (0.80) 7.531 (0.83) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.001 m^2/s^4 0.026 m/s^2 0.052 m/s^2 9.168 (0.69) 6.509 (0.97) 6.002 (1.05) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.014 m^2 0.118 m 0.237 m 9.197 (0.68) 7.297 (0.86) 6.987 (0.90) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.011 m^2/s^2 0.106 m/s 0.213 m/s 9.066 (0.69) 5.987 (1.05) 5.603 (1.12) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.014 m^2/s^4 0.119 m/s^2 0.239 m/s^2 5.656 (1.11) 4.552 (1.38) 4.262 (1.47) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.419 SM 0.304 % 0.040 % -- -- --

Design Speed, 17 kn; 4.867 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.956 s -- -- -- -- --
Characteristic wave height 0.300 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 4.867 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.006 m^2 0.075 m 0.150 m 9.960 (0.63) 8.340 (0.75) 7.849 (0.80) s (rad/s)
Encountered wave spectrum 0.006 m^2 0.075 m 0.150 m 10.892 (0.58) 9.443 (0.67) 9.106 (0.69) s (rad/s)
Added resistance 0.273 kN -- -- 10.809 (0.58) 8.494 (0.74) 7.987 (0.79) s (rad/s)
Heave motion 0.004 m^2 0.060 m 0.121 m 10.927 (0.57) 10.472 (0.60) 10.352 (0.61) s (rad/s)
Roll motion 0.00001 rad^2 0.00330 rad 0.00660 rad 10.689 (0.59) 9.005 (0.70) 8.772 (0.72) s (rad/s)
Pitch motion 0.00000 rad^2 0.00098 rad 0.00197 rad 10.873 (0.58) 10.163 (0.62) 10.011 (0.63) s (rad/s)
Heave velocity 0.001 m^2/s^2 0.037 m/s 0.073 m/s 10.836 (0.58) 9.970 (0.63) 9.819 (0.64) s (rad/s)
Roll velocity 0.00001 (rad/s)^2 0.00236 rad/s 0.00472 rad/s 10.578 (0.59) 8.005 (0.78) 7.695 (0.82) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00062 rad/s 0.00123 rad/s 10.772 (0.58) 9.493 (0.66) 9.258 (0.68) s (rad/s)
Heave acceleration 0.001 m^2/s^4 0.023 m/s^2 0.047 m/s^2 10.729 (0.59) 9.316 (0.67) 9.098 (0.69) s (rad/s)
Roll acceleration 0.00000 (rad/s/s)^2 0.00193 rad/s/s 0.00386 rad/s/s 3.457 (1.82) 6.756 (0.93) 6.440 (0.98) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00042 rad/s/s 0.00084 rad/s/s 10.671 (0.59) 8.439 (0.74) 8.071 (0.78) s (rad/s)
passenger deck aft: Abs. vert. motion 0.004 m^2 0.066 m 0.133 m 10.921 (0.58) 10.432 (0.60) 10.310 (0.61) s (rad/s)
passenger deck aft: Rel. vert. motion 0.001 m^2 0.028 m 0.056 m 3.457 (1.82) 6.373 (0.99) 6.156 (1.02) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.002 m^2/s^2 0.040 m/s 0.081 m/s 10.825 (0.58) 9.918 (0.63) 9.760 (0.64) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.001 m^2/s^2 0.029 m/s 0.057 m/s 3.457 (1.82) 5.581 (1.13) 5.421 (1.16) s (rad/s)
passenger deck aft: Abs. vert. accel 0.001 m^2/s^4 0.026 m/s^2 0.052 m/s^2 10.719 (0.59) 9.228 (0.68) 8.992 (0.70) s (rad/s)
passenger deck aft: Rel. vert. accel 0.001 m^2/s^4 0.033 m/s^2 0.066 m/s^2 3.457 (1.82) 4.994 (1.26) 4.874 (1.29) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.003 m 0.005 m 10.875 (0.58) 10.156 (0.62) 10.002 (0.63) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.002 m/s 0.003 m/s 10.768 (0.58) 9.475 (0.66) 9.234 (0.68) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.001 m/s^2 0.002 m/s^2 10.659 (0.59) 8.397 (0.75) 8.022 (0.78) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.009 m 0.018 m 10.693 (0.59) 9.043 (0.69) 8.808 (0.71) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.007 m/s 0.013 m/s 10.584 (0.59) 8.032 (0.78) 7.717 (0.81) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.005 m/s^2 0.011 m/s^2 3.457 (1.82) 6.761 (0.93) 6.439 (0.98) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.028 SM 0.000 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.002 m^2 0.050 m 0.099 m 10.944 (0.57) 10.576 (0.59) 10.461 (0.60) s (rad/s)
passenger deck forward: Rel. vert. motion 0.001 m^2 0.034 m 0.067 m 10.756 (0.58) 7.287 (0.86) 6.930 (0.91) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.001 m^2/s^2 0.030 m/s 0.060 m/s 10.860 (0.58) 10.099 (0.62) 9.962 (0.63) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.001 m^2/s^2 0.030 m/s 0.061 m/s 3.457 (1.82) 5.986 (1.05) 5.735 (1.10) s (rad/s)
passenger deck forward: Abs. vert. accel 0.000 m^2/s^4 0.019 m/s^2 0.038 m/s^2 10.758 (0.58) 9.519 (0.66) 9.341 (0.67) s (rad/s)
passenger deck forward: Rel. vert. accel 0.001 m^2/s^4 0.033 m/s^2 0.067 m/s^2 3.457 (1.82) 5.106 (1.23) 4.951 (1.27) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.003 m 0.005 m 10.875 (0.58) 10.156 (0.62) 10.002 (0.63) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.002 m/s 0.003 m/s 10.768 (0.58) 9.475 (0.66) 9.234 (0.68) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.001 m/s^2 0.002 m/s^2 10.659 (0.59) 8.397 (0.75) 8.022 (0.78) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.009 m 0.018 m 10.693 (0.59) 9.043 (0.69) 8.808 (0.71) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.007 m/s 0.013 m/s 10.584 (0.59) 8.032 (0.78) 7.717 (0.81) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.005 m/s^2 0.011 m/s^2 3.457 (1.82) 6.761 (0.93) 6.439 (0.98) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.017 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.002 m^2 0.050 m 0.099 m 10.944 (0.57) 10.576 (0.59) 10.461 (0.60) s (rad/s)
Bridge deck: Rel. vert. motion 0.001 m^2 0.034 m 0.067 m 10.756 (0.58) 7.287 (0.86) 6.930 (0.91) s (rad/s)
Bridge deck: Abs. vert. velocity 0.001 m^2/s^2 0.030 m/s 0.060 m/s 10.860 (0.58) 10.099 (0.62) 9.962 (0.63) s (rad/s)
Bridge deck: Rel. vert. velocity 0.001 m^2/s^2 0.030 m/s 0.061 m/s 3.457 (1.82) 5.986 (1.05) 5.735 (1.10) s (rad/s)
Bridge deck: Abs. vert. accel 0.000 m^2/s^4 0.019 m/s^2 0.038 m/s^2 10.758 (0.58) 9.519 (0.66) 9.341 (0.67) s (rad/s)
Bridge deck: Rel. vert. accel 0.001 m^2/s^4 0.033 m/s^2 0.067 m/s^2 3.457 (1.82) 5.106 (1.23) 4.951 (1.27) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.005 m 0.010 m 10.875 (0.58) 10.156 (0.62) 10.002 (0.63) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.006 m/s 10.768 (0.58) 9.475 (0.66) 9.234 (0.68) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.002 m/s^2 0.004 m/s^2 10.659 (0.59) 8.397 (0.75) 8.022 (0.78) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.017 m 0.033 m 10.693 (0.59) 9.043 (0.69) 8.808 (0.71) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.012 m/s 0.024 m/s 10.584 (0.59) 8.032 (0.78) 7.717 (0.81) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.010 m/s^2 0.019 m/s^2 3.457 (1.82) 6.761 (0.93) 6.439 (0.98) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.017 SM 0.000 % 0.000 % -- -- --

Design Speed, 17 kn; 4.867 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 4.867 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 10.911 (0.58) 9.459 (0.66) 9.121 (0.69) s (rad/s)
Added resistance 1.091 kN -- -- 10.828 (0.58) 8.508 (0.74) 7.999 (0.79) s (rad/s)
Heave motion 0.015 m^2 0.121 m 0.242 m 10.947 (0.57) 10.487 (0.60) 10.367 (0.61) s (rad/s)
Roll motion 0.00004 rad^2 0.00658 rad 0.01317 rad 10.708 (0.59) 9.013 (0.70) 8.779 (0.72) s (rad/s)
Pitch motion 0.00000 rad^2 0.00197 rad 0.00394 rad 10.890 (0.58) 10.176 (0.62) 10.024 (0.63) s (rad/s)
Heave velocity 0.005 m^2/s^2 0.073 m/s 0.147 m/s 10.853 (0.58) 9.983 (0.63) 9.831 (0.64) s (rad/s)
Roll velocity 0.00002 (rad/s)^2 0.00471 rad/s 0.00942 rad/s 10.597 (0.59) 8.009 (0.78) 7.699 (0.82) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00123 rad/s 0.00247 rad/s 10.789 (0.58) 9.504 (0.66) 9.268 (0.68) s (rad/s)
Heave acceleration 0.002 m^2/s^4 0.047 m/s^2 0.094 m/s^2 10.749 (0.58) 9.325 (0.67) 9.107 (0.69) s (rad/s)
Roll acceleration 0.00001 (rad/s/s)^2 0.00384 rad/s/s 0.00769 rad/s/s 3.457 (1.82) 6.758 (0.93) 6.442 (0.98) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00084 rad/s/s 0.00167 rad/s/s 10.688 (0.59) 8.447 (0.74) 8.078 (0.78) s (rad/s)
passenger deck aft: Abs. vert. motion 0.018 m^2 0.133 m 0.266 m 10.941 (0.57) 10.447 (0.60) 10.325 (0.61) s (rad/s)
passenger deck aft: Rel. vert. motion 0.003 m^2 0.056 m 0.112 m 3.457 (1.82) 6.376 (0.99) 6.158 (1.02) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.007 m^2/s^2 0.081 m/s 0.162 m/s 10.843 (0.58) 9.930 (0.63) 9.771 (0.64) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.003 m^2/s^2 0.057 m/s 0.114 m/s 3.457 (1.82) 5.582 (1.13) 5.422 (1.16) s (rad/s)
passenger deck aft: Abs. vert. accel 0.003 m^2/s^4 0.052 m/s^2 0.104 m/s^2 10.738 (0.59) 9.237 (0.68) 9.001 (0.70) s (rad/s)
passenger deck aft: Rel. vert. accel 0.004 m^2/s^4 0.066 m/s^2 0.132 m/s^2 3.457 (1.82) 4.995 (1.26) 4.875 (1.29) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.005 m 0.011 m 10.895 (0.58) 10.169 (0.62) 10.015 (0.63) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.007 m/s 10.787 (0.58) 9.486 (0.66) 9.244 (0.68) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.002 m/s^2 0.005 m/s^2 10.678 (0.59) 8.405 (0.75) 8.029 (0.78) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.018 m 0.037 m 10.710 (0.59) 9.051 (0.69) 8.815 (0.71) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.013 m/s 0.026 m/s 10.601 (0.59) 8.037 (0.78) 7.721 (0.81) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.011 m/s^2 0.021 m/s^2 3.457 (1.82) 6.763 (0.93) 6.442 (0.98) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.074 SM 0.002 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.010 m^2 0.099 m 0.199 m 10.964 (0.57) 10.591 (0.59) 10.476 (0.60) s (rad/s)
passenger deck forward: Rel. vert. motion 0.004 m^2 0.067 m 0.134 m 10.775 (0.58) 7.295 (0.86) 6.936 (0.91) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.004 m^2/s^2 0.060 m/s 0.119 m/s 10.880 (0.58) 10.112 (0.62) 9.974 (0.63) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.004 m^2/s^2 0.061 m/s 0.121 m/s 3.457 (1.82) 5.989 (1.05) 5.738 (1.10) s (rad/s)
passenger deck forward: Abs. vert. accel 0.001 m^2/s^4 0.038 m/s^2 0.075 m/s^2 10.775 (0.58) 9.529 (0.66) 9.350 (0.67) s (rad/s)
passenger deck forward: Rel. vert. accel 0.004 m^2/s^4 0.066 m/s^2 0.133 m/s^2 3.457 (1.82) 5.108 (1.23) 4.953 (1.27) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.005 m 0.011 m 10.895 (0.58) 10.169 (0.62) 10.015 (0.63) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.007 m/s 10.787 (0.58) 9.486 (0.66) 9.244 (0.68) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.002 m/s^2 0.005 m/s^2 10.678 (0.59) 8.405 (0.75) 8.029 (0.78) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.018 m 0.037 m 10.710 (0.59) 9.051 (0.69) 8.815 (0.71) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.013 m/s 0.026 m/s 10.601 (0.59) 8.037 (0.78) 7.721 (0.81) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.011 m/s^2 0.021 m/s^2 3.457 (1.82) 6.763 (0.93) 6.442 (0.98) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.046 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.010 m^2 0.099 m 0.199 m 10.964 (0.57) 10.591 (0.59) 10.476 (0.60) s (rad/s)
Bridge deck: Rel. vert. motion 0.004 m^2 0.067 m 0.134 m 10.775 (0.58) 7.295 (0.86) 6.936 (0.91) s (rad/s)
Bridge deck: Abs. vert. velocity 0.004 m^2/s^2 0.060 m/s 0.119 m/s 10.880 (0.58) 10.112 (0.62) 9.974 (0.63) s (rad/s)
Bridge deck: Rel. vert. velocity 0.004 m^2/s^2 0.061 m/s 0.121 m/s 3.457 (1.82) 5.989 (1.05) 5.738 (1.10) s (rad/s)
Bridge deck: Abs. vert. accel 0.001 m^2/s^4 0.038 m/s^2 0.075 m/s^2 10.775 (0.58) 9.529 (0.66) 9.350 (0.67) s (rad/s)
Bridge deck: Rel. vert. accel 0.004 m^2/s^4 0.066 m/s^2 0.133 m/s^2 3.457 (1.82) 5.108 (1.23) 4.953 (1.27) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.010 m 0.019 m 10.895 (0.58) 10.169 (0.62) 10.015 (0.63) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.006 m/s 0.012 m/s 10.787 (0.58) 9.486 (0.66) 9.244 (0.68) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.004 m/s^2 0.008 m/s^2 10.678 (0.59) 8.405 (0.75) 8.029 (0.78) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.001 m^2 0.033 m 0.067 m 10.710 (0.59) 9.051 (0.69) 8.815 (0.71) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.001 m^2/s^2 0.024 m/s 0.048 m/s 10.601 (0.59) 8.037 (0.78) 7.721 (0.81) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.019 m/s^2 0.039 m/s^2 3.457 (1.82) 6.763 (0.93) 6.442 (0.98) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.046 SM 0.000 % 0.000 % -- -- --

Design Speed, 17 kn; 4.867 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.965 s -- -- -- -- --
Characteristic wave height 1.200 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 4.867 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.090 m^2 0.300 m 0.601 m 9.969 (0.63) 8.348 (0.75) 7.856 (0.80) s (rad/s)
Encountered wave spectrum 0.090 m^2 0.300 m 0.601 m 10.901 (0.58) 9.451 (0.66) 9.113 (0.69) s (rad/s)
Added resistance 4.368 kN -- -- 3.457 (1.82) 8.501 (0.74) 7.993 (0.79) s (rad/s)
Heave motion 0.059 m^2 0.242 m 0.484 m 10.936 (0.57) 10.479 (0.60) 10.359 (0.61) s (rad/s)
Roll motion 0.00017 rad^2 0.01318 rad 0.02636 rad 10.698 (0.59) 9.009 (0.70) 8.775 (0.72) s (rad/s)
Pitch motion 0.00002 rad^2 0.00394 rad 0.00787 rad 10.882 (0.58) 10.169 (0.62) 10.017 (0.63) s (rad/s)
Heave velocity 0.022 m^2/s^2 0.147 m/s 0.294 m/s 10.842 (0.58) 9.976 (0.63) 9.824 (0.64) s (rad/s)
Roll velocity 0.00009 (rad/s)^2 0.00944 rad/s 0.01887 rad/s 10.587 (0.59) 8.007 (0.78) 7.697 (0.82) s (rad/s)
Pitch velocity 0.00001 (rad/s)^2 0.00247 rad/s 0.00494 rad/s 10.781 (0.58) 9.498 (0.66) 9.262 (0.68) s (rad/s)
Heave acceleration 0.009 m^2/s^4 0.094 m/s^2 0.188 m/s^2 10.738 (0.59) 9.321 (0.67) 9.102 (0.69) s (rad/s)
Roll acceleration 0.00006 (rad/s/s)^2 0.00770 rad/s/s 0.01540 rad/s/s 3.457 (1.82) 6.757 (0.93) 6.441 (0.98) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00167 rad/s/s 0.00335 rad/s/s 10.680 (0.59) 8.443 (0.74) 8.074 (0.78) s (rad/s)
passenger deck aft: Abs. vert. motion 0.071 m^2 0.266 m 0.532 m 10.930 (0.57) 10.439 (0.60) 10.317 (0.61) s (rad/s)
passenger deck aft: Rel. vert. motion 0.013 m^2 0.112 m 0.224 m 3.457 (1.82) 6.375 (0.99) 6.157 (1.02) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.026 m^2/s^2 0.162 m/s 0.324 m/s 10.834 (0.58) 9.924 (0.63) 9.765 (0.64) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.013 m^2/s^2 0.114 m/s 0.229 m/s 3.457 (1.82) 5.581 (1.13) 5.422 (1.16) s (rad/s)
passenger deck aft: Abs. vert. accel 0.011 m^2/s^4 0.104 m/s^2 0.208 m/s^2 10.728 (0.59) 9.233 (0.68) 8.996 (0.70) s (rad/s)
passenger deck aft: Rel. vert. accel 0.018 m^2/s^4 0.133 m/s^2 0.265 m/s^2 3.457 (1.82) 4.994 (1.26) 4.874 (1.29) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.011 m 0.021 m 10.884 (0.58) 10.162 (0.62) 10.008 (0.63) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.007 m/s 0.013 m/s 10.777 (0.58) 9.480 (0.66) 9.239 (0.68) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.005 m/s^2 0.009 m/s^2 10.668 (0.59) 8.401 (0.75) 8.025 (0.78) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.001 m^2 0.037 m 0.073 m 10.702 (0.59) 9.047 (0.69) 8.811 (0.71) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.001 m^2/s^2 0.026 m/s 0.052 m/s 10.593 (0.59) 8.034 (0.78) 7.719 (0.81) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.021 m/s^2 0.043 m/s^2 3.457 (1.82) 6.762 (0.93) 6.440 (0.98) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.201 SM 0.041 % 0.002 % -- -- --
passenger deck forward: Abs. vert. motion 0.040 m^2 0.199 m 0.398 m 10.953 (0.57) 10.583 (0.59) 10.468 (0.60) s (rad/s)
passenger deck forward: Rel. vert. motion 0.018 m^2 0.134 m 0.268 m 3.457 (1.82) 7.291 (0.86) 6.933 (0.91) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.014 m^2/s^2 0.119 m/s 0.239 m/s 10.869 (0.58) 10.106 (0.62) 9.968 (0.63) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.015 m^2/s^2 0.121 m/s 0.243 m/s 3.457 (1.82) 5.987 (1.05) 5.736 (1.10) s (rad/s)
passenger deck forward: Abs. vert. accel 0.006 m^2/s^4 0.075 m/s^2 0.150 m/s^2 10.766 (0.58) 9.523 (0.66) 9.345 (0.67) s (rad/s)
passenger deck forward: Rel. vert. accel 0.018 m^2/s^4 0.133 m/s^2 0.266 m/s^2 3.457 (1.82) 5.107 (1.23) 4.952 (1.27) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.011 m 0.021 m 10.884 (0.58) 10.162 (0.62) 10.008 (0.63) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.007 m/s 0.013 m/s 10.777 (0.58) 9.480 (0.66) 9.239 (0.68) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.005 m/s^2 0.009 m/s^2 10.668 (0.59) 8.401 (0.75) 8.025 (0.78) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.001 m^2 0.037 m 0.073 m 10.702 (0.59) 9.047 (0.69) 8.811 (0.71) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.001 m^2/s^2 0.026 m/s 0.052 m/s 10.593 (0.59) 8.034 (0.78) 7.719 (0.81) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.021 m/s^2 0.043 m/s^2 3.457 (1.82) 6.762 (0.93) 6.440 (0.98) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.124 SM 0.010 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.040 m^2 0.199 m 0.398 m 10.953 (0.57) 10.583 (0.59) 10.468 (0.60) s (rad/s)
Bridge deck: Rel. vert. motion 0.018 m^2 0.134 m 0.268 m 3.457 (1.82) 7.291 (0.86) 6.933 (0.91) s (rad/s)
Bridge deck: Abs. vert. velocity 0.014 m^2/s^2 0.119 m/s 0.239 m/s 10.869 (0.58) 10.106 (0.62) 9.968 (0.63) s (rad/s)
Bridge deck: Rel. vert. velocity 0.015 m^2/s^2 0.121 m/s 0.243 m/s 3.457 (1.82) 5.987 (1.05) 5.736 (1.10) s (rad/s)
Bridge deck: Abs. vert. accel 0.006 m^2/s^4 0.075 m/s^2 0.150 m/s^2 10.766 (0.58) 9.523 (0.66) 9.345 (0.67) s (rad/s)
Bridge deck: Rel. vert. accel 0.018 m^2/s^4 0.133 m/s^2 0.266 m/s^2 3.457 (1.82) 5.107 (1.23) 4.952 (1.27) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.019 m 0.039 m 10.884 (0.58) 10.162 (0.62) 10.008 (0.63) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.012 m/s 0.024 m/s 10.777 (0.58) 9.480 (0.66) 9.239 (0.68) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.008 m/s^2 0.016 m/s^2 10.668 (0.59) 8.401 (0.75) 8.025 (0.78) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.004 m^2 0.067 m 0.134 m 10.702 (0.59) 9.047 (0.69) 8.811 (0.71) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.002 m^2/s^2 0.048 m/s 0.095 m/s 10.593 (0.59) 8.034 (0.78) 7.719 (0.81) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.002 m^2/s^4 0.039 m/s^2 0.078 m/s^2 3.457 (1.82) 6.762 (0.93) 6.440 (0.98) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.124 SM 0.010 % 0.000 % -- -- --

Design Speed, 17 kn; 4.867 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 2.000 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 4.867 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.251 m^2 0.501 m 1.001 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.251 m^2 0.501 m 1.001 m 10.911 (0.58) 9.459 (0.66) 9.121 (0.69) s (rad/s)
Added resistance 12.118 kN -- -- 10.828 (0.58) 8.508 (0.74) 7.999 (0.79) s (rad/s)
Heave motion 0.163 m^2 0.404 m 0.808 m 10.947 (0.57) 10.487 (0.60) 10.367 (0.61) s (rad/s)
Roll motion 0.00048 rad^2 0.02194 rad 0.04389 rad 10.708 (0.59) 9.013 (0.70) 8.779 (0.72) s (rad/s)
Pitch motion 0.00004 rad^2 0.00656 rad 0.01312 rad 10.890 (0.58) 10.176 (0.62) 10.024 (0.63) s (rad/s)
Heave velocity 0.060 m^2/s^2 0.245 m/s 0.489 m/s 10.853 (0.58) 9.983 (0.63) 9.831 (0.64) s (rad/s)
Roll velocity 0.00025 (rad/s)^2 0.01570 rad/s 0.03141 rad/s 10.597 (0.59) 8.009 (0.78) 7.699 (0.82) s (rad/s)
Pitch velocity 0.00002 (rad/s)^2 0.00411 rad/s 0.00822 rad/s 10.789 (0.58) 9.504 (0.66) 9.268 (0.68) s (rad/s)
Heave acceleration 0.024 m^2/s^4 0.156 m/s^2 0.313 m/s^2 10.749 (0.58) 9.325 (0.67) 9.107 (0.69) s (rad/s)
Roll acceleration 0.00016 (rad/s/s)^2 0.01282 rad/s/s 0.02563 rad/s/s 3.457 (1.82) 6.758 (0.93) 6.442 (0.98) s (rad/s)
Pitch acceleration 0.00001 (rad/s/s)^2 0.00279 rad/s/s 0.00557 rad/s/s 10.688 (0.59) 8.447 (0.74) 8.078 (0.78) s (rad/s)
passenger deck aft: Abs. vert. motion 0.197 m^2 0.443 m 0.887 m 10.941 (0.57) 10.447 (0.60) 10.325 (0.61) s (rad/s)
passenger deck aft: Rel. vert. motion 0.035 m^2 0.187 m 0.373 m 3.457 (1.82) 6.376 (0.99) 6.158 (1.02) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.073 m^2/s^2 0.270 m/s 0.540 m/s 10.843 (0.58) 9.930 (0.63) 9.771 (0.64) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.036 m^2/s^2 0.190 m/s 0.381 m/s 3.457 (1.82) 5.582 (1.13) 5.422 (1.16) s (rad/s)
passenger deck aft: Abs. vert. accel 0.030 m^2/s^4 0.173 m/s^2 0.347 m/s^2 10.738 (0.59) 9.237 (0.68) 9.001 (0.70) s (rad/s)
passenger deck aft: Rel. vert. accel 0.049 m^2/s^4 0.221 m/s^2 0.441 m/s^2 3.457 (1.82) 4.995 (1.26) 4.875 (1.29) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.018 m 0.035 m 10.895 (0.58) 10.169 (0.62) 10.015 (0.63) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.011 m/s 0.022 m/s 10.787 (0.58) 9.486 (0.66) 9.244 (0.68) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.008 m/s^2 0.015 m/s^2 10.678 (0.59) 8.405 (0.75) 8.029 (0.78) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.004 m^2 0.061 m 0.122 m 10.710 (0.59) 9.051 (0.69) 8.815 (0.71) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.002 m^2/s^2 0.044 m/s 0.087 m/s 10.601 (0.59) 8.037 (0.78) 7.721 (0.81) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.001 m^2/s^4 0.035 m/s^2 0.071 m/s^2 3.457 (1.82) 6.763 (0.93) 6.442 (0.98) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.416 SM 0.263 % 0.029 % -- -- --
passenger deck forward: Abs. vert. motion 0.110 m^2 0.332 m 0.663 m 10.964 (0.57) 10.591 (0.59) 10.476 (0.60) s (rad/s)
passenger deck forward: Rel. vert. motion 0.050 m^2 0.223 m 0.446 m 10.775 (0.58) 7.295 (0.86) 6.936 (0.91) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.040 m^2/s^2 0.199 m/s 0.398 m/s 10.880 (0.58) 10.112 (0.62) 9.974 (0.63) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.041 m^2/s^2 0.202 m/s 0.404 m/s 3.457 (1.82) 5.989 (1.05) 5.738 (1.10) s (rad/s)
passenger deck forward: Abs. vert. accel 0.016 m^2/s^4 0.125 m/s^2 0.250 m/s^2 10.775 (0.58) 9.529 (0.66) 9.350 (0.67) s (rad/s)
passenger deck forward: Rel. vert. accel 0.049 m^2/s^4 0.221 m/s^2 0.442 m/s^2 3.457 (1.82) 5.108 (1.23) 4.953 (1.27) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.018 m 0.035 m 10.895 (0.58) 10.169 (0.62) 10.015 (0.63) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.011 m/s 0.022 m/s 10.787 (0.58) 9.486 (0.66) 9.244 (0.68) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.008 m/s^2 0.015 m/s^2 10.678 (0.59) 8.405 (0.75) 8.029 (0.78) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.004 m^2 0.061 m 0.122 m 10.710 (0.59) 9.051 (0.69) 8.815 (0.71) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.002 m^2/s^2 0.044 m/s 0.087 m/s 10.601 (0.59) 8.037 (0.78) 7.721 (0.81) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.001 m^2/s^4 0.035 m/s^2 0.071 m/s^2 3.457 (1.82) 6.763 (0.93) 6.442 (0.98) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.257 SM 0.077 % 0.005 % -- -- --
Bridge deck: Abs. vert. motion 0.110 m^2 0.332 m 0.663 m 10.964 (0.57) 10.591 (0.59) 10.476 (0.60) s (rad/s)
Bridge deck: Rel. vert. motion 0.050 m^2 0.223 m 0.446 m 10.775 (0.58) 7.295 (0.86) 6.936 (0.91) s (rad/s)
Bridge deck: Abs. vert. velocity 0.040 m^2/s^2 0.199 m/s 0.398 m/s 10.880 (0.58) 10.112 (0.62) 9.974 (0.63) s (rad/s)
Bridge deck: Rel. vert. velocity 0.041 m^2/s^2 0.202 m/s 0.404 m/s 3.457 (1.82) 5.989 (1.05) 5.738 (1.10) s (rad/s)
Bridge deck: Abs. vert. accel 0.016 m^2/s^4 0.125 m/s^2 0.250 m/s^2 10.775 (0.58) 9.529 (0.66) 9.350 (0.67) s (rad/s)
Bridge deck: Rel. vert. accel 0.049 m^2/s^4 0.221 m/s^2 0.442 m/s^2 3.457 (1.82) 5.108 (1.23) 4.953 (1.27) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.001 m^2 0.032 m 0.064 m 10.895 (0.58) 10.169 (0.62) 10.015 (0.63) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.020 m/s 0.040 m/s 10.787 (0.58) 9.486 (0.66) 9.244 (0.68) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.014 m/s^2 0.027 m/s^2 10.678 (0.59) 8.405 (0.75) 8.029 (0.78) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.012 m^2 0.111 m 0.223 m 10.710 (0.59) 9.051 (0.69) 8.815 (0.71) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.006 m^2/s^2 0.079 m/s 0.159 m/s 10.601 (0.59) 8.037 (0.78) 7.721 (0.81) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.004 m^2/s^4 0.065 m/s^2 0.129 m/s^2 3.457 (1.82) 6.763 (0.93) 6.442 (0.98) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.257 SM 0.077 % 0.005 % -- -- --

Design Speed, 17 kn; 5.487 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.956 s -- -- -- -- --
Characteristic wave height 0.300 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 5.487 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.006 m^2 0.075 m 0.150 m 9.960 (0.63) 8.340 (0.75) 7.849 (0.80) s (rad/s)
Encountered wave spectrum 0.006 m^2 0.075 m 0.150 m 15.673 (0.40) 17.761 (0.35) 15.594 (0.40) s (rad/s)
Added resistance 0.332 kN -- -- 15.673 (0.40) 18.812 (0.33) 16.223 (0.39) s (rad/s)
Heave motion 0.004 m^2 0.066 m 0.133 m 15.673 (0.40) 16.675 (0.38) 16.301 (0.39) s (rad/s)
Roll motion 0.00001 rad^2 0.00250 rad 0.00499 rad 15.673 (0.40) 26.630 (0.24) 12.176 (0.52) s (rad/s)
Pitch motion 0.00001 rad^2 0.00254 rad 0.00508 rad 15.673 (0.40) 18.734 (0.34) 17.324 (0.36) s (rad/s)
Heave velocity 0.001 m^2/s^2 0.026 m/s 0.051 m/s 15.673 (0.40) 19.073 (0.33) 13.115 (0.48) s (rad/s)
Roll velocity 0.00000 (rad/s)^2 0.00129 rad/s 0.00258 rad/s 15.673 (0.40) -8.641 (-0.73) 4.826 (1.30) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00092 rad/s 0.00184 rad/s 15.673 (0.40) 21.067 (0.30) 12.657 (0.50) s (rad/s)
Heave acceleration 0.000 m^2/s^4 0.012 m/s^2 0.025 m/s^2 15.673 (0.40) -11.764 (-0.53) 4.739 (1.33) s (rad/s)
Roll acceleration 0.00000 (rad/s/s)^2 0.00168 rad/s/s 0.00335 rad/s/s 15.673 (0.40) -3.617 (-1.74) 3.474 (1.81) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00046 rad/s/s 0.00092 rad/s/s 15.673 (0.40) -8.753 (-0.72) 4.351 (1.44) s (rad/s)
passenger deck aft: Abs. vert. motion 0.004 m^2 0.063 m 0.126 m 15.673 (0.40) 17.044 (0.37) 16.282 (0.39) s (rad/s)
passenger deck aft: Rel. vert. motion 0.002 m^2 0.043 m 0.086 m 15.673 (0.40) 23.766 (0.26) 14.186 (0.44) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.001 m^2/s^2 0.024 m/s 0.049 m/s 15.673 (0.40) 22.073 (0.28) 11.557 (0.54) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.000 m^2/s^2 0.019 m/s 0.038 m/s 15.673 (0.40) -6.494 (-0.97) 3.172 (1.98) s (rad/s)
passenger deck aft: Abs. vert. accel 0.000 m^2/s^4 0.013 m/s^2 0.026 m/s^2 15.673 (0.40) -6.928 (-0.91) 4.043 (1.55) s (rad/s)
passenger deck aft: Rel. vert. accel 0.001 m^2/s^4 0.038 m/s^2 0.075 m/s^2 15.673 (0.40) -1.722 (-3.65) 1.636 (3.84) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.007 m 0.014 m 15.673 (0.40) 18.719 (0.34) 17.317 (0.36) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.005 m/s 15.673 (0.40) 21.035 (0.30) 12.669 (0.50) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.001 m/s^2 0.003 m/s^2 15.673 (0.40) -8.802 (-0.71) 4.360 (1.44) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.007 m 0.014 m 15.673 (0.40) 26.641 (0.24) 12.178 (0.52) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.004 m/s 0.007 m/s 15.673 (0.40) -8.649 (-0.73) 4.830 (1.30) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.005 m/s^2 0.009 m/s^2 15.673 (0.40) -3.620 (-1.74) 3.477 (1.81) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.009 SM 0.000 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.007 m^2 0.083 m 0.166 m 15.673 (0.40) 16.728 (0.38) 16.555 (0.38) s (rad/s)
passenger deck forward: Rel. vert. motion 0.005 m^2 0.071 m 0.142 m 15.673 (0.40) 18.459 (0.34) 15.844 (0.40) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.001 m^2/s^2 0.032 m/s 0.063 m/s 15.673 (0.40) 16.842 (0.37) 15.774 (0.40) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.001 m^2/s^2 0.028 m/s 0.056 m/s 15.673 (0.40) -39.513 (-0.16) 4.774 (1.32) s (rad/s)
passenger deck forward: Abs. vert. accel 0.000 m^2/s^4 0.013 m/s^2 0.025 m/s^2 15.673 (0.40) 33.520 (0.19) 9.010 (0.70) s (rad/s)
passenger deck forward: Rel. vert. accel 0.001 m^2/s^4 0.037 m/s^2 0.074 m/s^2 15.673 (0.40) -1.774 (-3.54) 1.644 (3.82) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.007 m 0.014 m 15.673 (0.40) 18.719 (0.34) 17.317 (0.36) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.005 m/s 15.673 (0.40) 21.035 (0.30) 12.669 (0.50) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.001 m/s^2 0.003 m/s^2 15.673 (0.40) -8.802 (-0.71) 4.360 (1.44) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.007 m 0.014 m 15.673 (0.40) 26.641 (0.24) 12.178 (0.52) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.004 m/s 0.007 m/s 15.673 (0.40) -8.649 (-0.73) 4.830 (1.30) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.005 m/s^2 0.009 m/s^2 15.673 (0.40) -3.620 (-1.74) 3.477 (1.81) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.006 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.007 m^2 0.083 m 0.166 m 15.673 (0.40) 16.728 (0.38) 16.555 (0.38) s (rad/s)
Bridge deck: Rel. vert. motion 0.005 m^2 0.071 m 0.142 m 15.673 (0.40) 18.459 (0.34) 15.844 (0.40) s (rad/s)
Bridge deck: Abs. vert. velocity 0.001 m^2/s^2 0.032 m/s 0.063 m/s 15.673 (0.40) 16.842 (0.37) 15.774 (0.40) s (rad/s)
Bridge deck: Rel. vert. velocity 0.001 m^2/s^2 0.028 m/s 0.056 m/s 15.673 (0.40) -39.513 (-0.16) 4.774 (1.32) s (rad/s)
Bridge deck: Abs. vert. accel 0.000 m^2/s^4 0.013 m/s^2 0.025 m/s^2 15.673 (0.40) 33.520 (0.19) 9.010 (0.70) s (rad/s)
Bridge deck: Rel. vert. accel 0.001 m^2/s^4 0.037 m/s^2 0.074 m/s^2 15.673 (0.40) -1.774 (-3.54) 1.644 (3.82) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.013 m 0.026 m 15.673 (0.40) 18.719 (0.34) 17.317 (0.36) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.009 m/s 15.673 (0.40) 21.035 (0.30) 12.669 (0.50) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.002 m/s^2 0.005 m/s^2 15.673 (0.40) -8.802 (-0.71) 4.360 (1.44) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.013 m 0.025 m 15.673 (0.40) 26.641 (0.24) 12.178 (0.52) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.007 m/s 0.013 m/s 15.673 (0.40) -8.649 (-0.73) 4.830 (1.30) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.009 m/s^2 0.017 m/s^2 15.673 (0.40) -3.620 (-1.74) 3.477 (1.81) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.006 SM 0.000 % 0.000 % -- -- --

Design Speed, 17 kn; 5.487 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 5.487 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 15.673 (0.40) 17.756 (0.35) 15.611 (0.40) s (rad/s)
Added resistance 1.323 kN -- -- 15.673 (0.40) 18.804 (0.33) 16.230 (0.39) s (rad/s)
Heave motion 0.018 m^2 0.133 m 0.266 m 15.673 (0.40) 16.681 (0.38) 16.310 (0.39) s (rad/s)
Roll motion 0.00002 rad^2 0.00498 rad 0.00997 rad 15.673 (0.40) 26.541 (0.24) 12.201 (0.51) s (rad/s)
Pitch motion 0.00003 rad^2 0.00507 rad 0.01014 rad 15.673 (0.40) 18.732 (0.34) 17.326 (0.36) s (rad/s)
Heave velocity 0.003 m^2/s^2 0.051 m/s 0.102 m/s 15.673 (0.40) 19.046 (0.33) 13.147 (0.48) s (rad/s)
Roll velocity 0.00001 (rad/s)^2 0.00257 rad/s 0.00513 rad/s 15.673 (0.40) -8.695 (-0.72) 4.836 (1.30) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00184 rad/s 0.00368 rad/s 15.673 (0.40) 21.041 (0.30) 12.673 (0.50) s (rad/s)
Heave acceleration 0.001 m^2/s^4 0.024 m/s^2 0.049 m/s^2 15.673 (0.40) -11.912 (-0.53) 4.756 (1.32) s (rad/s)
Roll acceleration 0.00001 (rad/s/s)^2 0.00333 rad/s/s 0.00667 rad/s/s 15.673 (0.40) -3.619 (-1.74) 3.475 (1.81) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00091 rad/s/s 0.00182 rad/s/s 15.673 (0.40) -8.800 (-0.71) 4.359 (1.44) s (rad/s)
passenger deck aft: Abs. vert. motion 0.016 m^2 0.126 m 0.253 m 15.673 (0.40) 17.047 (0.37) 16.293 (0.39) s (rad/s)
passenger deck aft: Rel. vert. motion 0.007 m^2 0.085 m 0.171 m 15.673 (0.40) 23.740 (0.26) 14.208 (0.44) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.002 m^2/s^2 0.049 m/s 0.097 m/s 15.673 (0.40) 21.997 (0.29) 11.595 (0.54) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.001 m^2/s^2 0.038 m/s 0.075 m/s 15.673 (0.40) -6.568 (-0.96) 3.193 (1.97) s (rad/s)
passenger deck aft: Abs. vert. accel 0.001 m^2/s^4 0.026 m/s^2 0.053 m/s^2 15.673 (0.40) -6.984 (-0.90) 4.055 (1.55) s (rad/s)
passenger deck aft: Rel. vert. accel 0.006 m^2/s^4 0.074 m/s^2 0.149 m/s^2 15.673 (0.40) -1.732 (-3.63) 1.646 (3.82) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.014 m 0.028 m 15.673 (0.40) 18.717 (0.34) 17.319 (0.36) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.010 m/s 15.673 (0.40) 21.010 (0.30) 12.686 (0.50) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.003 m/s^2 0.005 m/s^2 15.673 (0.40) -8.849 (-0.71) 4.368 (1.44) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.014 m 0.028 m 15.673 (0.40) 26.552 (0.24) 12.202 (0.51) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.007 m/s 0.014 m/s 15.673 (0.40) -8.704 (-0.72) 4.840 (1.30) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.009 m/s^2 0.019 m/s^2 15.673 (0.40) -3.623 (-1.73) 3.478 (1.81) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.024 SM 0.000 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.028 m^2 0.166 m 0.332 m 15.673 (0.40) 16.733 (0.38) 16.560 (0.38) s (rad/s)
passenger deck forward: Rel. vert. motion 0.020 m^2 0.142 m 0.283 m 15.673 (0.40) 18.455 (0.34) 15.855 (0.40) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.004 m^2/s^2 0.063 m/s 0.126 m/s 15.673 (0.40) 16.843 (0.37) 15.786 (0.40) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.003 m^2/s^2 0.056 m/s 0.112 m/s 15.673 (0.40) -41.014 (-0.15) 4.811 (1.31) s (rad/s)
passenger deck forward: Abs. vert. accel 0.001 m^2/s^4 0.025 m/s^2 0.050 m/s^2 15.673 (0.40) 33.212 (0.19) 9.041 (0.69) s (rad/s)
passenger deck forward: Rel. vert. accel 0.005 m^2/s^4 0.073 m/s^2 0.146 m/s^2 15.673 (0.40) -1.786 (-3.52) 1.654 (3.80) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.014 m 0.028 m 15.673 (0.40) 18.717 (0.34) 17.319 (0.36) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.010 m/s 15.673 (0.40) 21.010 (0.30) 12.686 (0.50) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.003 m/s^2 0.005 m/s^2 15.673 (0.40) -8.849 (-0.71) 4.368 (1.44) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.014 m 0.028 m 15.673 (0.40) 26.552 (0.24) 12.202 (0.51) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.007 m/s 0.014 m/s 15.673 (0.40) -8.704 (-0.72) 4.840 (1.30) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.009 m/s^2 0.019 m/s^2 15.673 (0.40) -3.623 (-1.73) 3.478 (1.81) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.016 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.028 m^2 0.166 m 0.332 m 15.673 (0.40) 16.733 (0.38) 16.560 (0.38) s (rad/s)
Bridge deck: Rel. vert. motion 0.020 m^2 0.142 m 0.283 m 15.673 (0.40) 18.455 (0.34) 15.855 (0.40) s (rad/s)
Bridge deck: Abs. vert. velocity 0.004 m^2/s^2 0.063 m/s 0.126 m/s 15.673 (0.40) 16.843 (0.37) 15.786 (0.40) s (rad/s)
Bridge deck: Rel. vert. velocity 0.003 m^2/s^2 0.056 m/s 0.112 m/s 15.673 (0.40) -41.014 (-0.15) 4.811 (1.31) s (rad/s)
Bridge deck: Abs. vert. accel 0.001 m^2/s^4 0.025 m/s^2 0.050 m/s^2 15.673 (0.40) 33.212 (0.19) 9.041 (0.69) s (rad/s)
Bridge deck: Rel. vert. accel 0.005 m^2/s^4 0.073 m/s^2 0.146 m/s^2 15.673 (0.40) -1.786 (-3.52) 1.654 (3.80) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.001 m^2 0.026 m 0.052 m 15.673 (0.40) 18.717 (0.34) 17.319 (0.36) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.009 m/s 0.019 m/s 15.673 (0.40) 21.010 (0.30) 12.686 (0.50) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.005 m/s^2 0.009 m/s^2 15.673 (0.40) -8.849 (-0.71) 4.368 (1.44) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.001 m^2 0.025 m 0.051 m 15.673 (0.40) 26.552 (0.24) 12.202 (0.51) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.013 m/s 0.026 m/s 15.673 (0.40) -8.704 (-0.72) 4.840 (1.30) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.017 m/s^2 0.034 m/s^2 15.673 (0.40) -3.623 (-1.73) 3.478 (1.81) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.016 SM 0.000 % 0.000 % -- -- --

Design Speed, 17 kn; 5.487 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.965 s -- -- -- -- --
Characteristic wave height 1.200 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 5.487 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.090 m^2 0.300 m 0.601 m 9.969 (0.63) 8.348 (0.75) 7.856 (0.80) s (rad/s)
Encountered wave spectrum 0.090 m^2 0.300 m 0.601 m 15.673 (0.40) 17.758 (0.35) 15.602 (0.40) s (rad/s)
Added resistance 5.301 kN -- -- 15.673 (0.40) 18.808 (0.33) 16.226 (0.39) s (rad/s)
Heave motion 0.071 m^2 0.266 m 0.531 m 15.673 (0.40) 16.678 (0.38) 16.305 (0.39) s (rad/s)
Roll motion 0.00010 rad^2 0.00998 rad 0.01996 rad 15.673 (0.40) 26.616 (0.24) 12.179 (0.52) s (rad/s)
Pitch motion 0.00010 rad^2 0.01016 rad 0.02031 rad 15.673 (0.40) 18.733 (0.34) 17.324 (0.36) s (rad/s)
Heave velocity 0.010 m^2/s^2 0.102 m/s 0.205 m/s 15.673 (0.40) 19.065 (0.33) 13.127 (0.48) s (rad/s)
Roll velocity 0.00003 (rad/s)^2 0.00515 rad/s 0.01029 rad/s 15.673 (0.40) -8.647 (-0.73) 4.828 (1.30) s (rad/s)
Pitch velocity 0.00001 (rad/s)^2 0.00368 rad/s 0.00737 rad/s 15.673 (0.40) 21.061 (0.30) 12.661 (0.50) s (rad/s)
Heave acceleration 0.002 m^2/s^4 0.049 m/s^2 0.098 m/s^2 15.673 (0.40) -11.817 (-0.53) 4.746 (1.32) s (rad/s)
Roll acceleration 0.00004 (rad/s/s)^2 0.00670 rad/s/s 0.01339 rad/s/s 15.673 (0.40) -3.618 (-1.74) 3.475 (1.81) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00183 rad/s/s 0.00366 rad/s/s 15.673 (0.40) -8.767 (-0.72) 4.354 (1.44) s (rad/s)
passenger deck aft: Abs. vert. motion 0.064 m^2 0.253 m 0.505 m 15.673 (0.40) 17.046 (0.37) 16.287 (0.39) s (rad/s)
passenger deck aft: Rel. vert. motion 0.029 m^2 0.171 m 0.342 m 15.673 (0.40) 23.755 (0.26) 14.196 (0.44) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.009 m^2/s^2 0.097 m/s 0.195 m/s 15.673 (0.40) 22.048 (0.28) 11.571 (0.54) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.006 m^2/s^2 0.076 m/s 0.151 m/s 15.673 (0.40) -6.530 (-0.96) 3.183 (1.97) s (rad/s)
passenger deck aft: Abs. vert. accel 0.003 m^2/s^4 0.053 m/s^2 0.106 m/s^2 15.673 (0.40) -6.949 (-0.90) 4.048 (1.55) s (rad/s)
passenger deck aft: Rel. vert. accel 0.022 m^2/s^4 0.149 m/s^2 0.299 m/s^2 15.673 (0.40) -1.727 (-3.64) 1.641 (3.83) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.001 m^2 0.028 m 0.057 m 15.673 (0.40) 18.718 (0.34) 17.318 (0.36) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.010 m/s 0.021 m/s 15.673 (0.40) 21.029 (0.30) 12.673 (0.50) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.005 m/s^2 0.010 m/s^2 15.673 (0.40) -8.816 (-0.71) 4.363 (1.44) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.001 m^2 0.028 m 0.056 m 15.673 (0.40) 26.627 (0.24) 12.181 (0.52) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.014 m/s 0.029 m/s 15.673 (0.40) -8.655 (-0.73) 4.831 (1.30) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.019 m/s^2 0.037 m/s^2 15.673 (0.40) -3.621 (-1.74) 3.478 (1.81) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.066 SM 0.001 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.110 m^2 0.332 m 0.664 m 15.673 (0.40) 16.730 (0.38) 16.557 (0.38) s (rad/s)
passenger deck forward: Rel. vert. motion 0.080 m^2 0.283 m 0.567 m 15.673 (0.40) 18.457 (0.34) 15.849 (0.40) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.016 m^2/s^2 0.126 m/s 0.252 m/s 15.673 (0.40) 16.843 (0.37) 15.779 (0.40) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.013 m^2/s^2 0.112 m/s 0.225 m/s 15.673 (0.40) -40.273 (-0.16) 4.793 (1.31) s (rad/s)
passenger deck forward: Abs. vert. accel 0.003 m^2/s^4 0.050 m/s^2 0.100 m/s^2 15.673 (0.40) 33.419 (0.19) 9.021 (0.70) s (rad/s)
passenger deck forward: Rel. vert. accel 0.022 m^2/s^4 0.147 m/s^2 0.295 m/s^2 15.673 (0.40) -1.780 (-3.53) 1.649 (3.81) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.001 m^2 0.028 m 0.057 m 15.673 (0.40) 18.718 (0.34) 17.318 (0.36) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.010 m/s 0.021 m/s 15.673 (0.40) 21.029 (0.30) 12.673 (0.50) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.005 m/s^2 0.010 m/s^2 15.673 (0.40) -8.816 (-0.71) 4.363 (1.44) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.001 m^2 0.028 m 0.056 m 15.673 (0.40) 26.627 (0.24) 12.181 (0.52) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.014 m/s 0.029 m/s 15.673 (0.40) -8.655 (-0.73) 4.831 (1.30) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.019 m/s^2 0.037 m/s^2 15.673 (0.40) -3.621 (-1.74) 3.478 (1.81) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.044 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.110 m^2 0.332 m 0.664 m 15.673 (0.40) 16.730 (0.38) 16.557 (0.38) s (rad/s)
Bridge deck: Rel. vert. motion 0.080 m^2 0.283 m 0.567 m 15.673 (0.40) 18.457 (0.34) 15.849 (0.40) s (rad/s)
Bridge deck: Abs. vert. velocity 0.016 m^2/s^2 0.126 m/s 0.252 m/s 15.673 (0.40) 16.843 (0.37) 15.779 (0.40) s (rad/s)
Bridge deck: Rel. vert. velocity 0.013 m^2/s^2 0.112 m/s 0.225 m/s 15.673 (0.40) -40.273 (-0.16) 4.793 (1.31) s (rad/s)
Bridge deck: Abs. vert. accel 0.003 m^2/s^4 0.050 m/s^2 0.100 m/s^2 15.673 (0.40) 33.419 (0.19) 9.021 (0.70) s (rad/s)
Bridge deck: Rel. vert. accel 0.022 m^2/s^4 0.147 m/s^2 0.295 m/s^2 15.673 (0.40) -1.780 (-3.53) 1.649 (3.81) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.003 m^2 0.052 m 0.104 m 15.673 (0.40) 18.718 (0.34) 17.318 (0.36) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.019 m/s 0.038 m/s 15.673 (0.40) 21.029 (0.30) 12.673 (0.50) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.009 m/s^2 0.019 m/s^2 15.673 (0.40) -8.816 (-0.71) 4.363 (1.44) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.003 m^2 0.051 m 0.102 m 15.673 (0.40) 26.627 (0.24) 12.181 (0.52) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.001 m^2/s^2 0.026 m/s 0.052 m/s 15.673 (0.40) -8.655 (-0.73) 4.831 (1.30) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.001 m^2/s^4 0.034 m/s^2 0.068 m/s^2 15.673 (0.40) -3.621 (-1.74) 3.478 (1.81) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.044 SM 0.000 % 0.000 % -- -- --

Design Speed, 17 kn; 5.487 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 2.000 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 5.487 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.251 m^2 0.501 m 1.001 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.251 m^2 0.501 m 1.001 m 15.673 (0.40) 17.756 (0.35) 15.611 (0.40) s (rad/s)
Added resistance 14.705 kN -- -- 15.673 (0.40) 18.804 (0.33) 16.230 (0.39) s (rad/s)
Heave motion 0.196 m^2 0.443 m 0.886 m 15.673 (0.40) 16.681 (0.38) 16.310 (0.39) s (rad/s)
Roll motion 0.00028 rad^2 0.01661 rad 0.03322 rad 15.673 (0.40) 26.541 (0.24) 12.201 (0.51) s (rad/s)
Pitch motion 0.00029 rad^2 0.01690 rad 0.03380 rad 15.673 (0.40) 18.732 (0.34) 17.326 (0.36) s (rad/s)
Heave velocity 0.029 m^2/s^2 0.171 m/s 0.341 m/s 15.673 (0.40) 19.046 (0.33) 13.147 (0.48) s (rad/s)
Roll velocity 0.00007 (rad/s)^2 0.00855 rad/s 0.01711 rad/s 15.673 (0.40) -8.695 (-0.72) 4.836 (1.30) s (rad/s)
Pitch velocity 0.00004 (rad/s)^2 0.00613 rad/s 0.01226 rad/s 15.673 (0.40) 21.041 (0.30) 12.673 (0.50) s (rad/s)
Heave acceleration 0.007 m^2/s^4 0.082 m/s^2 0.163 m/s^2 15.673 (0.40) -11.912 (-0.53) 4.756 (1.32) s (rad/s)
Roll acceleration 0.00012 (rad/s/s)^2 0.01111 rad/s/s 0.02222 rad/s/s 15.673 (0.40) -3.619 (-1.74) 3.475 (1.81) s (rad/s)
Pitch acceleration 0.00001 (rad/s/s)^2 0.00304 rad/s/s 0.00608 rad/s/s 15.673 (0.40) -8.800 (-0.71) 4.359 (1.44) s (rad/s)
passenger deck aft: Abs. vert. motion 0.177 m^2 0.421 m 0.843 m 15.673 (0.40) 17.047 (0.37) 16.293 (0.39) s (rad/s)
passenger deck aft: Rel. vert. motion 0.081 m^2 0.285 m 0.569 m 15.673 (0.40) 23.740 (0.26) 14.208 (0.44) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.026 m^2/s^2 0.162 m/s 0.325 m/s 15.673 (0.40) 21.997 (0.29) 11.595 (0.54) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.016 m^2/s^2 0.126 m/s 0.252 m/s 15.673 (0.40) -6.568 (-0.96) 3.193 (1.97) s (rad/s)
passenger deck aft: Abs. vert. accel 0.008 m^2/s^4 0.088 m/s^2 0.176 m/s^2 15.673 (0.40) -6.984 (-0.90) 4.055 (1.55) s (rad/s)
passenger deck aft: Rel. vert. accel 0.061 m^2/s^4 0.248 m/s^2 0.495 m/s^2 15.673 (0.40) -1.732 (-3.63) 1.646 (3.82) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.002 m^2 0.047 m 0.095 m 15.673 (0.40) 18.717 (0.34) 17.319 (0.36) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.017 m/s 0.034 m/s 15.673 (0.40) 21.010 (0.30) 12.686 (0.50) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.008 m/s^2 0.017 m/s^2 15.673 (0.40) -8.849 (-0.71) 4.368 (1.44) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.002 m^2 0.046 m 0.093 m 15.673 (0.40) 26.552 (0.24) 12.202 (0.51) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.001 m^2/s^2 0.024 m/s 0.048 m/s 15.673 (0.40) -8.704 (-0.72) 4.840 (1.30) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.001 m^2/s^4 0.031 m/s^2 0.062 m/s^2 15.673 (0.40) -3.623 (-1.73) 3.478 (1.81) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.136 SM 0.010 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.306 m^2 0.553 m 1.107 m 15.673 (0.40) 16.733 (0.38) 16.560 (0.38) s (rad/s)
passenger deck forward: Rel. vert. motion 0.223 m^2 0.472 m 0.944 m 15.673 (0.40) 18.455 (0.34) 15.855 (0.40) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.044 m^2/s^2 0.210 m/s 0.420 m/s 15.673 (0.40) 16.843 (0.37) 15.786 (0.40) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.035 m^2/s^2 0.187 m/s 0.374 m/s 15.673 (0.40) -41.014 (-0.15) 4.811 (1.31) s (rad/s)
passenger deck forward: Abs. vert. accel 0.007 m^2/s^4 0.084 m/s^2 0.167 m/s^2 15.673 (0.40) 33.212 (0.19) 9.041 (0.69) s (rad/s)
passenger deck forward: Rel. vert. accel 0.060 m^2/s^4 0.244 m/s^2 0.488 m/s^2 15.673 (0.40) -1.786 (-3.52) 1.654 (3.80) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.002 m^2 0.047 m 0.095 m 15.673 (0.40) 18.717 (0.34) 17.319 (0.36) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.017 m/s 0.034 m/s 15.673 (0.40) 21.010 (0.30) 12.686 (0.50) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.008 m/s^2 0.017 m/s^2 15.673 (0.40) -8.849 (-0.71) 4.368 (1.44) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.002 m^2 0.046 m 0.093 m 15.673 (0.40) 26.552 (0.24) 12.202 (0.51) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.001 m^2/s^2 0.024 m/s 0.048 m/s 15.673 (0.40) -8.704 (-0.72) 4.840 (1.30) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.001 m^2/s^4 0.031 m/s^2 0.062 m/s^2 15.673 (0.40) -3.623 (-1.73) 3.478 (1.81) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.090 SM 0.001 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.306 m^2 0.553 m 1.107 m 15.673 (0.40) 16.733 (0.38) 16.560 (0.38) s (rad/s)
Bridge deck: Rel. vert. motion 0.223 m^2 0.472 m 0.944 m 15.673 (0.40) 18.455 (0.34) 15.855 (0.40) s (rad/s)
Bridge deck: Abs. vert. velocity 0.044 m^2/s^2 0.210 m/s 0.420 m/s 15.673 (0.40) 16.843 (0.37) 15.786 (0.40) s (rad/s)
Bridge deck: Rel. vert. velocity 0.035 m^2/s^2 0.187 m/s 0.374 m/s 15.673 (0.40) -41.014 (-0.15) 4.811 (1.31) s (rad/s)
Bridge deck: Abs. vert. accel 0.007 m^2/s^4 0.084 m/s^2 0.167 m/s^2 15.673 (0.40) 33.212 (0.19) 9.041 (0.69) s (rad/s)
Bridge deck: Rel. vert. accel 0.060 m^2/s^4 0.244 m/s^2 0.488 m/s^2 15.673 (0.40) -1.786 (-3.52) 1.654 (3.80) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.007 m^2 0.086 m 0.172 m 15.673 (0.40) 18.717 (0.34) 17.319 (0.36) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.001 m^2/s^2 0.031 m/s 0.063 m/s 15.673 (0.40) 21.010 (0.30) 12.686 (0.50) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.015 m/s^2 0.031 m/s^2 15.673 (0.40) -8.849 (-0.71) 4.368 (1.44) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.007 m^2 0.085 m 0.169 m 15.673 (0.40) 26.552 (0.24) 12.202 (0.51) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.002 m^2/s^2 0.044 m/s 0.087 m/s 15.673 (0.40) -8.704 (-0.72) 4.840 (1.30) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.003 m^2/s^4 0.057 m/s^2 0.113 m/s^2 15.673 (0.40) -3.623 (-1.73) 3.478 (1.81) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.090 SM 0.001 % 0.000 % -- -- --

Design Speed, 17 kn; 5.752 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.956 s -- -- -- -- --
Characteristic wave height 0.300 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 5.752 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.006 m^2 0.075 m 0.150 m 9.960 (0.63) 8.340 (0.75) 7.849 (0.80) s (rad/s)
Encountered wave spectrum 0.006 m^2 0.075 m 0.150 m 19.327 (0.33) 24.115 (0.26) 16.224 (0.39) s (rad/s)
Added resistance 0.351 kN -- -- 19.327 (0.33) 25.549 (0.25) 18.354 (0.34) s (rad/s)
Heave motion 0.005 m^2 0.068 m 0.136 m 19.327 (0.33) 20.666 (0.30) 19.026 (0.33) s (rad/s)
Roll motion 0.00001 rad^2 0.00242 rad 0.00485 rad 19.327 (0.33) -8.485 (-0.74) 4.942 (1.27) s (rad/s)
Pitch motion 0.00002 rad^2 0.00434 rad 0.00867 rad 19.327 (0.33) 30.534 (0.21) 24.635 (0.26) s (rad/s)
Heave velocity 0.001 m^2/s^2 0.022 m/s 0.045 m/s 19.327 (0.33) 57.901 (0.11) 9.508 (0.66) s (rad/s)
Roll velocity 0.00001 (rad/s)^2 0.00308 rad/s 0.00616 rad/s 19.327 (0.33) -3.555 (-1.77) 3.479 (1.81) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00111 rad/s 0.00221 rad/s 19.327 (0.33) 46.040 (0.14) 11.036 (0.57) s (rad/s)
Heave acceleration 0.000 m^2/s^4 0.015 m/s^2 0.030 m/s^2 19.327 (0.33) -4.004 (-1.57) 3.307 (1.90) s (rad/s)
Roll acceleration 0.00003 (rad/s/s)^2 0.00557 rad/s/s 0.01113 rad/s/s 19.327 (0.33) -3.404 (-1.85) 3.389 (1.85) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00063 rad/s/s 0.00126 rad/s/s 19.327 (0.33) -4.250 (-1.48) 3.373 (1.86) s (rad/s)
passenger deck aft: Abs. vert. motion 0.004 m^2 0.064 m 0.127 m 19.327 (0.33) 22.512 (0.28) 18.723 (0.34) s (rad/s)
passenger deck aft: Rel. vert. motion 0.003 m^2 0.053 m 0.106 m 19.327 (0.33) 58.095 (0.11) 14.137 (0.44) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.000 m^2/s^2 0.021 m/s 0.043 m/s 19.327 (0.33) -98.776 (-0.06) 7.444 (0.84) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.001 m^2/s^2 0.023 m/s 0.047 m/s 19.327 (0.33) -2.591 (-2.43) 1.886 (3.33) s (rad/s)
passenger deck aft: Abs. vert. accel 0.000 m^2/s^4 0.018 m/s^2 0.036 m/s^2 19.327 (0.33) -3.502 (-1.79) 3.125 (2.01) s (rad/s)
passenger deck aft: Rel. vert. accel 0.006 m^2/s^4 0.078 m/s^2 0.156 m/s^2 19.327 (0.33) -1.216 (-5.17) 1.162 (5.41) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.012 m 0.024 m 19.327 (0.33) 30.471 (0.21) 24.620 (0.26) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.006 m/s 19.327 (0.33) 45.769 (0.14) 11.056 (0.57) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.002 m/s^2 0.004 m/s^2 19.327 (0.33) -4.260 (-1.47) 3.377 (1.86) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.007 m 0.014 m 19.327 (0.33) -8.485 (-0.74) 4.945 (1.27) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.009 m/s 0.017 m/s 19.327 (0.33) -3.558 (-1.77) 3.482 (1.80) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.016 m/s^2 0.031 m/s^2 19.327 (0.33) -3.407 (-1.84) 3.392 (1.85) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.019 SM 0.000 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.011 m^2 0.103 m 0.207 m 19.327 (0.33) 22.709 (0.28) 21.400 (0.29) s (rad/s)
passenger deck forward: Rel. vert. motion 0.011 m^2 0.107 m 0.214 m 19.327 (0.33) 28.403 (0.22) 20.195 (0.31) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.001 m^2/s^2 0.030 m/s 0.061 m/s 19.327 (0.33) 22.471 (0.28) 16.856 (0.37) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.001 m^2/s^2 0.033 m/s 0.067 m/s 19.327 (0.33) -6.987 (-0.90) 2.751 (2.28) s (rad/s)
passenger deck forward: Abs. vert. accel 0.000 m^2/s^4 0.011 m/s^2 0.023 m/s^2 19.327 (0.33) -15.188 (-0.41) 5.278 (1.19) s (rad/s)
passenger deck forward: Rel. vert. accel 0.006 m^2/s^4 0.076 m/s^2 0.152 m/s^2 19.327 (0.33) -1.201 (-5.23) 1.150 (5.47) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.012 m 0.024 m 19.327 (0.33) 30.471 (0.21) 24.620 (0.26) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.006 m/s 19.327 (0.33) 45.769 (0.14) 11.056 (0.57) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.002 m/s^2 0.004 m/s^2 19.327 (0.33) -4.260 (-1.47) 3.377 (1.86) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.007 m 0.014 m 19.327 (0.33) -8.485 (-0.74) 4.945 (1.27) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.009 m/s 0.017 m/s 19.327 (0.33) -3.558 (-1.77) 3.482 (1.80) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.016 m/s^2 0.031 m/s^2 19.327 (0.33) -3.407 (-1.84) 3.392 (1.85) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.005 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.011 m^2 0.103 m 0.207 m 19.327 (0.33) 22.709 (0.28) 21.400 (0.29) s (rad/s)
Bridge deck: Rel. vert. motion 0.011 m^2 0.107 m 0.214 m 19.327 (0.33) 28.403 (0.22) 20.195 (0.31) s (rad/s)
Bridge deck: Abs. vert. velocity 0.001 m^2/s^2 0.030 m/s 0.061 m/s 19.327 (0.33) 22.471 (0.28) 16.856 (0.37) s (rad/s)
Bridge deck: Rel. vert. velocity 0.001 m^2/s^2 0.033 m/s 0.067 m/s 19.327 (0.33) -6.987 (-0.90) 2.751 (2.28) s (rad/s)
Bridge deck: Abs. vert. accel 0.000 m^2/s^4 0.011 m/s^2 0.023 m/s^2 19.327 (0.33) -15.188 (-0.41) 5.278 (1.19) s (rad/s)
Bridge deck: Rel. vert. accel 0.006 m^2/s^4 0.076 m/s^2 0.152 m/s^2 19.327 (0.33) -1.201 (-5.23) 1.150 (5.47) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.022 m 0.044 m 19.327 (0.33) 30.471 (0.21) 24.620 (0.26) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.006 m/s 0.011 m/s 19.327 (0.33) 45.769 (0.14) 11.056 (0.57) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.003 m/s^2 0.006 m/s^2 19.327 (0.33) -4.260 (-1.47) 3.377 (1.86) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.012 m 0.025 m 19.327 (0.33) -8.485 (-0.74) 4.945 (1.27) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.016 m/s 0.031 m/s 19.327 (0.33) -3.558 (-1.77) 3.482 (1.80) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.001 m^2/s^4 0.028 m/s^2 0.057 m/s^2 19.327 (0.33) -3.407 (-1.84) 3.392 (1.85) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.005 SM 0.000 % 0.000 % -- -- --

Design Speed, 17 kn; 5.752 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 5.752 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 19.327 (0.33) 24.074 (0.26) 16.259 (0.39) s (rad/s)
Added resistance 1.402 kN -- -- 19.327 (0.33) 25.515 (0.25) 18.366 (0.34) s (rad/s)
Heave motion 0.019 m^2 0.136 m 0.272 m 19.327 (0.33) 20.660 (0.30) 19.029 (0.33) s (rad/s)
Roll motion 0.00002 rad^2 0.00484 rad 0.00968 rad 19.327 (0.33) -8.483 (-0.74) 4.941 (1.27) s (rad/s)
Pitch motion 0.00007 rad^2 0.00865 rad 0.01730 rad 19.327 (0.33) 30.513 (0.21) 24.624 (0.26) s (rad/s)
Heave velocity 0.002 m^2/s^2 0.045 m/s 0.090 m/s 19.327 (0.33) 57.479 (0.11) 9.521 (0.66) s (rad/s)
Roll velocity 0.00004 (rad/s)^2 0.00615 rad/s 0.01231 rad/s 19.327 (0.33) -3.554 (-1.77) 3.479 (1.81) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00221 rad/s 0.00441 rad/s 19.327 (0.33) 46.087 (0.14) 11.029 (0.57) s (rad/s)
Heave acceleration 0.001 m^2/s^4 0.030 m/s^2 0.059 m/s^2 19.327 (0.33) -4.008 (-1.57) 3.310 (1.90) s (rad/s)
Roll acceleration 0.00012 (rad/s/s)^2 0.01112 rad/s/s 0.02223 rad/s/s 19.327 (0.33) -3.404 (-1.85) 3.389 (1.85) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00126 rad/s/s 0.00252 rad/s/s 19.327 (0.33) -4.249 (-1.48) 3.374 (1.86) s (rad/s)
passenger deck aft: Abs. vert. motion 0.016 m^2 0.127 m 0.255 m 19.327 (0.33) 22.490 (0.28) 18.725 (0.34) s (rad/s)
passenger deck aft: Rel. vert. motion 0.011 m^2 0.105 m 0.211 m 19.327 (0.33) 57.914 (0.11) 14.160 (0.44) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.002 m^2/s^2 0.043 m/s 0.085 m/s 19.327 (0.33) -101.136 (-0.06) 7.456 (0.84) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.002 m^2/s^2 0.047 m/s 0.093 m/s 19.327 (0.33) -2.608 (-2.41) 1.896 (3.31) s (rad/s)
passenger deck aft: Abs. vert. accel 0.001 m^2/s^4 0.036 m/s^2 0.072 m/s^2 19.327 (0.33) -3.505 (-1.79) 3.127 (2.01) s (rad/s)
passenger deck aft: Rel. vert. accel 0.024 m^2/s^4 0.155 m/s^2 0.309 m/s^2 19.327 (0.33) -1.222 (-5.14) 1.169 (5.38) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.001 m^2 0.024 m 0.048 m 19.327 (0.33) 30.449 (0.21) 24.608 (0.26) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.006 m/s 0.012 m/s 19.327 (0.33) 45.815 (0.14) 11.049 (0.57) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.004 m/s^2 0.007 m/s^2 19.327 (0.33) -4.259 (-1.48) 3.378 (1.86) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.014 m 0.027 m 19.327 (0.33) -8.484 (-0.74) 4.944 (1.27) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.017 m/s 0.034 m/s 19.327 (0.33) -3.557 (-1.77) 3.482 (1.80) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.001 m^2/s^4 0.031 m/s^2 0.062 m/s^2 19.327 (0.33) -3.407 (-1.84) 3.391 (1.85) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.052 SM 0.001 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.043 m^2 0.206 m 0.413 m 19.327 (0.33) 22.693 (0.28) 21.391 (0.29) s (rad/s)
passenger deck forward: Rel. vert. motion 0.046 m^2 0.214 m 0.427 m 19.327 (0.33) 28.378 (0.22) 20.210 (0.31) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.004 m^2/s^2 0.061 m/s 0.121 m/s 19.327 (0.33) 22.462 (0.28) 16.858 (0.37) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.004 m^2/s^2 0.066 m/s 0.133 m/s 19.327 (0.33) -7.075 (-0.89) 2.771 (2.27) s (rad/s)
passenger deck forward: Abs. vert. accel 0.001 m^2/s^4 0.023 m/s^2 0.045 m/s^2 19.327 (0.33) -15.220 (-0.41) 5.282 (1.19) s (rad/s)
passenger deck forward: Rel. vert. accel 0.023 m^2/s^4 0.151 m/s^2 0.301 m/s^2 19.327 (0.33) -1.208 (-5.20) 1.155 (5.44) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.001 m^2 0.024 m 0.048 m 19.327 (0.33) 30.449 (0.21) 24.608 (0.26) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.006 m/s 0.012 m/s 19.327 (0.33) 45.815 (0.14) 11.049 (0.57) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.004 m/s^2 0.007 m/s^2 19.327 (0.33) -4.259 (-1.48) 3.378 (1.86) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.014 m 0.027 m 19.327 (0.33) -8.484 (-0.74) 4.944 (1.27) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.017 m/s 0.034 m/s 19.327 (0.33) -3.557 (-1.77) 3.482 (1.80) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.001 m^2/s^4 0.031 m/s^2 0.062 m/s^2 19.327 (0.33) -3.407 (-1.84) 3.391 (1.85) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.013 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.043 m^2 0.206 m 0.413 m 19.327 (0.33) 22.693 (0.28) 21.391 (0.29) s (rad/s)
Bridge deck: Rel. vert. motion 0.046 m^2 0.214 m 0.427 m 19.327 (0.33) 28.378 (0.22) 20.210 (0.31) s (rad/s)
Bridge deck: Abs. vert. velocity 0.004 m^2/s^2 0.061 m/s 0.121 m/s 19.327 (0.33) 22.462 (0.28) 16.858 (0.37) s (rad/s)
Bridge deck: Rel. vert. velocity 0.004 m^2/s^2 0.066 m/s 0.133 m/s 19.327 (0.33) -7.075 (-0.89) 2.771 (2.27) s (rad/s)
Bridge deck: Abs. vert. accel 0.001 m^2/s^4 0.023 m/s^2 0.045 m/s^2 19.327 (0.33) -15.220 (-0.41) 5.282 (1.19) s (rad/s)
Bridge deck: Rel. vert. accel 0.023 m^2/s^4 0.151 m/s^2 0.301 m/s^2 19.327 (0.33) -1.208 (-5.20) 1.155 (5.44) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.002 m^2 0.044 m 0.088 m 19.327 (0.33) 30.449 (0.21) 24.608 (0.26) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.011 m/s 0.023 m/s 19.327 (0.33) 45.815 (0.14) 11.049 (0.57) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.006 m/s^2 0.013 m/s^2 19.327 (0.33) -4.259 (-1.48) 3.378 (1.86) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.001 m^2 0.025 m 0.049 m 19.327 (0.33) -8.484 (-0.74) 4.944 (1.27) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.001 m^2/s^2 0.031 m/s 0.063 m/s 19.327 (0.33) -3.557 (-1.77) 3.482 (1.80) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.003 m^2/s^4 0.057 m/s^2 0.113 m/s^2 19.327 (0.33) -3.407 (-1.84) 3.391 (1.85) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.013 SM 0.000 % 0.000 % -- -- --

Design Speed, 17 kn; 5.752 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.965 s -- -- -- -- --
Characteristic wave height 1.200 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 5.752 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.090 m^2 0.300 m 0.601 m 9.969 (0.63) 8.348 (0.75) 7.856 (0.80) s (rad/s)
Encountered wave spectrum 0.090 m^2 0.300 m 0.601 m 19.327 (0.33) 24.096 (0.26) 16.241 (0.39) s (rad/s)
Added resistance 5.617 kN -- -- 19.327 (0.33) 25.533 (0.25) 18.360 (0.34) s (rad/s)
Heave motion 0.074 m^2 0.272 m 0.545 m 19.327 (0.33) 20.662 (0.30) 19.029 (0.33) s (rad/s)
Roll motion 0.00009 rad^2 0.00968 rad 0.01936 rad 19.327 (0.33) -8.505 (-0.74) 4.946 (1.27) s (rad/s)
Pitch motion 0.00030 rad^2 0.01733 rad 0.03466 rad 19.327 (0.33) 30.530 (0.21) 24.634 (0.26) s (rad/s)
Heave velocity 0.008 m^2/s^2 0.090 m/s 0.180 m/s 19.327 (0.33) 57.528 (0.11) 9.520 (0.66) s (rad/s)
Roll velocity 0.00015 (rad/s)^2 0.01230 rad/s 0.02459 rad/s 19.327 (0.33) -3.555 (-1.77) 3.479 (1.81) s (rad/s)
Pitch velocity 0.00002 (rad/s)^2 0.00442 rad/s 0.00884 rad/s 19.327 (0.33) 45.989 (0.14) 11.039 (0.57) s (rad/s)
Heave acceleration 0.004 m^2/s^4 0.059 m/s^2 0.119 m/s^2 19.327 (0.33) -4.007 (-1.57) 3.309 (1.90) s (rad/s)
Roll acceleration 0.00049 (rad/s/s)^2 0.02221 rad/s/s 0.04441 rad/s/s 19.327 (0.33) -3.404 (-1.85) 3.389 (1.85) s (rad/s)
Pitch acceleration 0.00001 (rad/s/s)^2 0.00252 rad/s/s 0.00503 rad/s/s 19.327 (0.33) -4.251 (-1.48) 3.373 (1.86) s (rad/s)
passenger deck aft: Abs. vert. motion 0.065 m^2 0.254 m 0.509 m 19.327 (0.33) 22.501 (0.28) 18.727 (0.34) s (rad/s)
passenger deck aft: Rel. vert. motion 0.044 m^2 0.211 m 0.422 m 19.327 (0.33) 57.998 (0.11) 14.150 (0.44) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.007 m^2/s^2 0.085 m/s 0.171 m/s 19.327 (0.33) -100.736 (-0.06) 7.454 (0.84) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.009 m^2/s^2 0.094 m/s 0.187 m/s 19.327 (0.33) -2.599 (-2.42) 1.891 (3.32) s (rad/s)
passenger deck aft: Abs. vert. accel 0.005 m^2/s^4 0.072 m/s^2 0.144 m/s^2 19.327 (0.33) -3.504 (-1.79) 3.126 (2.01) s (rad/s)
passenger deck aft: Rel. vert. accel 0.097 m^2/s^4 0.311 m/s^2 0.622 m/s^2 19.327 (0.33) -1.219 (-5.15) 1.165 (5.39) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.002 m^2 0.048 m 0.097 m 19.327 (0.33) 30.467 (0.21) 24.618 (0.26) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.012 m/s 0.025 m/s 19.327 (0.33) 45.718 (0.14) 11.059 (0.57) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.007 m/s^2 0.014 m/s^2 19.327 (0.33) -4.261 (-1.47) 3.377 (1.86) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.001 m^2 0.027 m 0.054 m 19.327 (0.33) -8.506 (-0.74) 4.949 (1.27) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.001 m^2/s^2 0.034 m/s 0.069 m/s 19.327 (0.33) -3.558 (-1.77) 3.482 (1.80) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.004 m^2/s^4 0.062 m/s^2 0.124 m/s^2 19.327 (0.33) -3.407 (-1.84) 3.392 (1.85) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.139 SM 0.018 % 0.001 % -- -- --
passenger deck forward: Abs. vert. motion 0.171 m^2 0.413 m 0.826 m 19.327 (0.33) 22.704 (0.28) 21.397 (0.29) s (rad/s)
passenger deck forward: Rel. vert. motion 0.183 m^2 0.428 m 0.856 m 19.327 (0.33) 28.394 (0.22) 20.204 (0.31) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.015 m^2/s^2 0.121 m/s 0.243 m/s 19.327 (0.33) 22.463 (0.28) 16.861 (0.37) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.018 m^2/s^2 0.133 m/s 0.266 m/s 19.327 (0.33) -7.031 (-0.89) 2.761 (2.28) s (rad/s)
passenger deck forward: Abs. vert. accel 0.002 m^2/s^4 0.045 m/s^2 0.090 m/s^2 19.327 (0.33) -15.236 (-0.41) 5.282 (1.19) s (rad/s)
passenger deck forward: Rel. vert. accel 0.092 m^2/s^4 0.303 m/s^2 0.606 m/s^2 19.327 (0.33) -1.205 (-5.22) 1.153 (5.45) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.002 m^2 0.048 m 0.097 m 19.327 (0.33) 30.467 (0.21) 24.618 (0.26) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.012 m/s 0.025 m/s 19.327 (0.33) 45.718 (0.14) 11.059 (0.57) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.007 m/s^2 0.014 m/s^2 19.327 (0.33) -4.261 (-1.47) 3.377 (1.86) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.001 m^2 0.027 m 0.054 m 19.327 (0.33) -8.506 (-0.74) 4.949 (1.27) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.001 m^2/s^2 0.034 m/s 0.069 m/s 19.327 (0.33) -3.558 (-1.77) 3.482 (1.80) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.004 m^2/s^4 0.062 m/s^2 0.124 m/s^2 19.327 (0.33) -3.407 (-1.84) 3.392 (1.85) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.035 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.171 m^2 0.413 m 0.826 m 19.327 (0.33) 22.704 (0.28) 21.397 (0.29) s (rad/s)
Bridge deck: Rel. vert. motion 0.183 m^2 0.428 m 0.856 m 19.327 (0.33) 28.394 (0.22) 20.204 (0.31) s (rad/s)
Bridge deck: Abs. vert. velocity 0.015 m^2/s^2 0.121 m/s 0.243 m/s 19.327 (0.33) 22.463 (0.28) 16.861 (0.37) s (rad/s)
Bridge deck: Rel. vert. velocity 0.018 m^2/s^2 0.133 m/s 0.266 m/s 19.327 (0.33) -7.031 (-0.89) 2.761 (2.28) s (rad/s)
Bridge deck: Abs. vert. accel 0.002 m^2/s^4 0.045 m/s^2 0.090 m/s^2 19.327 (0.33) -15.236 (-0.41) 5.282 (1.19) s (rad/s)
Bridge deck: Rel. vert. accel 0.092 m^2/s^4 0.303 m/s^2 0.606 m/s^2 19.327 (0.33) -1.205 (-5.22) 1.153 (5.45) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.008 m^2 0.088 m 0.177 m 19.327 (0.33) 30.467 (0.21) 24.618 (0.26) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.001 m^2/s^2 0.023 m/s 0.045 m/s 19.327 (0.33) 45.718 (0.14) 11.059 (0.57) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.013 m/s^2 0.026 m/s^2 19.327 (0.33) -4.261 (-1.47) 3.377 (1.86) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.002 m^2 0.049 m 0.099 m 19.327 (0.33) -8.506 (-0.74) 4.949 (1.27) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.004 m^2/s^2 0.063 m/s 0.125 m/s 19.327 (0.33) -3.558 (-1.77) 3.482 (1.80) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.013 m^2/s^4 0.113 m/s^2 0.226 m/s^2 19.327 (0.33) -3.407 (-1.84) 3.392 (1.85) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.035 SM 0.000 % 0.000 % -- -- --

Design Speed, 17 kn; 5.752 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 2.000 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 5.752 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.251 m^2 0.501 m 1.001 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.251 m^2 0.501 m 1.001 m 19.327 (0.33) 24.074 (0.26) 16.259 (0.39) s (rad/s)
Added resistance 15.580 kN -- -- 19.327 (0.33) 25.515 (0.25) 18.366 (0.34) s (rad/s)
Heave motion 0.206 m^2 0.454 m 0.908 m 19.327 (0.33) 20.660 (0.30) 19.029 (0.33) s (rad/s)
Roll motion 0.00026 rad^2 0.01613 rad 0.03227 rad 19.327 (0.33) -8.483 (-0.74) 4.941 (1.27) s (rad/s)
Pitch motion 0.00083 rad^2 0.02884 rad 0.05767 rad 19.327 (0.33) 30.513 (0.21) 24.624 (0.26) s (rad/s)
Heave velocity 0.022 m^2/s^2 0.150 m/s 0.300 m/s 19.327 (0.33) 57.479 (0.11) 9.521 (0.66) s (rad/s)
Roll velocity 0.00042 (rad/s)^2 0.02052 rad/s 0.04103 rad/s 19.327 (0.33) -3.554 (-1.77) 3.479 (1.81) s (rad/s)
Pitch velocity 0.00005 (rad/s)^2 0.00736 rad/s 0.01472 rad/s 19.327 (0.33) 46.087 (0.14) 11.029 (0.57) s (rad/s)
Heave acceleration 0.010 m^2/s^4 0.099 m/s^2 0.198 m/s^2 19.327 (0.33) -4.008 (-1.57) 3.310 (1.90) s (rad/s)
Roll acceleration 0.00137 (rad/s/s)^2 0.03705 rad/s/s 0.07411 rad/s/s 19.327 (0.33) -3.404 (-1.85) 3.389 (1.85) s (rad/s)
Pitch acceleration 0.00002 (rad/s/s)^2 0.00419 rad/s/s 0.00838 rad/s/s 19.327 (0.33) -4.249 (-1.48) 3.374 (1.86) s (rad/s)
passenger deck aft: Abs. vert. motion 0.180 m^2 0.424 m 0.849 m 19.327 (0.33) 22.490 (0.28) 18.725 (0.34) s (rad/s)
passenger deck aft: Rel. vert. motion 0.123 m^2 0.351 m 0.702 m 19.327 (0.33) 57.914 (0.11) 14.160 (0.44) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.020 m^2/s^2 0.142 m/s 0.285 m/s 19.327 (0.33) -101.136 (-0.06) 7.456 (0.84) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.024 m^2/s^2 0.156 m/s 0.311 m/s 19.327 (0.33) -2.608 (-2.41) 1.896 (3.31) s (rad/s)
passenger deck aft: Abs. vert. accel 0.014 m^2/s^4 0.120 m/s^2 0.240 m/s^2 19.327 (0.33) -3.505 (-1.79) 3.127 (2.01) s (rad/s)
passenger deck aft: Rel. vert. accel 0.266 m^2/s^4 0.516 m/s^2 1.032 m/s^2 19.327 (0.33) -1.222 (-5.14) 1.169 (5.38) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.007 m^2 0.081 m 0.161 m 19.327 (0.33) 30.449 (0.21) 24.608 (0.26) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.021 m/s 0.041 m/s 19.327 (0.33) 45.815 (0.14) 11.049 (0.57) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.012 m/s^2 0.023 m/s^2 19.327 (0.33) -4.259 (-1.48) 3.378 (1.86) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.002 m^2 0.045 m 0.090 m 19.327 (0.33) -8.484 (-0.74) 4.944 (1.27) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.003 m^2/s^2 0.057 m/s 0.115 m/s 19.327 (0.33) -3.557 (-1.77) 3.482 (1.80) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.011 m^2/s^4 0.103 m/s^2 0.207 m/s^2 19.327 (0.33) -3.407 (-1.84) 3.391 (1.85) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.289 SM 0.130 % 0.012 % -- -- --
passenger deck forward: Abs. vert. motion 0.473 m^2 0.688 m 1.376 m 19.327 (0.33) 22.693 (0.28) 21.391 (0.29) s (rad/s)
passenger deck forward: Rel. vert. motion 0.507 m^2 0.712 m 1.425 m 19.327 (0.33) 28.378 (0.22) 20.210 (0.31) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.041 m^2/s^2 0.202 m/s 0.404 m/s 19.327 (0.33) 22.462 (0.28) 16.858 (0.37) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.049 m^2/s^2 0.221 m/s 0.443 m/s 19.327 (0.33) -7.075 (-0.89) 2.771 (2.27) s (rad/s)
passenger deck forward: Abs. vert. accel 0.006 m^2/s^4 0.075 m/s^2 0.151 m/s^2 19.327 (0.33) -15.220 (-0.41) 5.282 (1.19) s (rad/s)
passenger deck forward: Rel. vert. accel 0.252 m^2/s^4 0.502 m/s^2 1.004 m/s^2 19.327 (0.33) -1.208 (-5.20) 1.155 (5.44) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.007 m^2 0.081 m 0.161 m 19.327 (0.33) 30.449 (0.21) 24.608 (0.26) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.021 m/s 0.041 m/s 19.327 (0.33) 45.815 (0.14) 11.049 (0.57) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.012 m/s^2 0.023 m/s^2 19.327 (0.33) -4.259 (-1.48) 3.378 (1.86) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.002 m^2 0.045 m 0.090 m 19.327 (0.33) -8.484 (-0.74) 4.944 (1.27) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.003 m^2/s^2 0.057 m/s 0.115 m/s 19.327 (0.33) -3.557 (-1.77) 3.482 (1.80) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.011 m^2/s^4 0.103 m/s^2 0.207 m/s^2 19.327 (0.33) -3.407 (-1.84) 3.391 (1.85) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.072 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.473 m^2 0.688 m 1.376 m 19.327 (0.33) 22.693 (0.28) 21.391 (0.29) s (rad/s)
Bridge deck: Rel. vert. motion 0.507 m^2 0.712 m 1.425 m 19.327 (0.33) 28.378 (0.22) 20.210 (0.31) s (rad/s)
Bridge deck: Abs. vert. velocity 0.041 m^2/s^2 0.202 m/s 0.404 m/s 19.327 (0.33) 22.462 (0.28) 16.858 (0.37) s (rad/s)
Bridge deck: Rel. vert. velocity 0.049 m^2/s^2 0.221 m/s 0.443 m/s 19.327 (0.33) -7.075 (-0.89) 2.771 (2.27) s (rad/s)
Bridge deck: Abs. vert. accel 0.006 m^2/s^4 0.075 m/s^2 0.151 m/s^2 19.327 (0.33) -15.220 (-0.41) 5.282 (1.19) s (rad/s)
Bridge deck: Rel. vert. accel 0.252 m^2/s^4 0.502 m/s^2 1.004 m/s^2 19.327 (0.33) -1.208 (-5.20) 1.155 (5.44) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.022 m^2 0.147 m 0.294 m 19.327 (0.33) 30.449 (0.21) 24.608 (0.26) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.001 m^2/s^2 0.038 m/s 0.075 m/s 19.327 (0.33) 45.815 (0.14) 11.049 (0.57) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.021 m/s^2 0.043 m/s^2 19.327 (0.33) -4.259 (-1.48) 3.378 (1.86) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.007 m^2 0.082 m 0.164 m 19.327 (0.33) -8.484 (-0.74) 4.944 (1.27) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.011 m^2/s^2 0.104 m/s 0.209 m/s 19.327 (0.33) -3.557 (-1.77) 3.482 (1.80) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.036 m^2/s^4 0.189 m/s^2 0.377 m/s^2 19.327 (0.33) -3.407 (-1.84) 3.391 (1.85) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.072 SM 0.000 % 0.000 % -- -- --

Design Speed, 17 kn; 6.018 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.956 s -- -- -- -- --
Characteristic wave height 0.300 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 6.018 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.006 m^2 0.075 m 0.150 m 9.960 (0.63) 8.340 (0.75) 7.849 (0.80) s (rad/s)
Encountered wave spectrum 0.006 m^2 0.075 m 0.150 m 21.628 (0.29) 31.125 (0.20) 15.637 (0.40) s (rad/s)
Added resistance 0.455 kN -- -- 21.628 (0.29) 41.070 (0.15) 21.343 (0.29) s (rad/s)
Heave motion 0.005 m^2 0.072 m 0.145 m 21.628 (0.29) 26.948 (0.23) 21.515 (0.29) s (rad/s)
Roll motion 0.00000 rad^2 0.00114 rad 0.00228 rad 21.628 (0.29) -16.010 (-0.39) 6.377 (0.99) s (rad/s)
Pitch motion 0.00003 rad^2 0.00521 rad 0.01042 rad 21.628 (0.29) 40.111 (0.16) 27.551 (0.23) s (rad/s)
Heave velocity 0.000 m^2/s^2 0.021 m/s 0.042 m/s 21.628 (0.29) -41.825 (-0.15) 7.044 (0.89) s (rad/s)
Roll velocity 0.00000 (rad/s)^2 0.00112 rad/s 0.00225 rad/s 21.628 (0.29) -3.563 (-1.76) 3.426 (1.83) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00119 rad/s 0.00238 rad/s 21.628 (0.29) -704.230 (-0.01) 9.292 (0.68) s (rad/s)
Heave acceleration 0.000 m^2/s^4 0.019 m/s^2 0.038 m/s^2 21.628 (0.29) -3.315 (-1.90) 3.043 (2.06) s (rad/s)
Roll acceleration 0.00000 (rad/s/s)^2 0.00206 rad/s/s 0.00412 rad/s/s 21.628 (0.29) -3.193 (-1.97) 3.072 (2.05) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00080 rad/s/s 0.00161 rad/s/s 21.628 (0.29) -3.506 (-1.79) 3.093 (2.03) s (rad/s)
passenger deck aft: Abs. vert. motion 0.005 m^2 0.069 m 0.138 m 21.628 (0.29) 33.035 (0.19) 20.746 (0.30) s (rad/s)
passenger deck aft: Rel. vert. motion 0.004 m^2 0.066 m 0.132 m 21.628 (0.29) 319.876 (0.02) 14.792 (0.42) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.000 m^2/s^2 0.021 m/s 0.042 m/s 21.628 (0.29) -13.894 (-0.45) 5.525 (1.14) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.001 m^2/s^2 0.028 m/s 0.056 m/s 21.628 (0.29) -2.033 (-3.09) 1.572 (4.00) s (rad/s)
passenger deck aft: Abs. vert. accel 0.001 m^2/s^4 0.024 m/s^2 0.047 m/s^2 21.628 (0.29) -3.151 (-1.99) 2.971 (2.11) s (rad/s)
passenger deck aft: Rel. vert. accel 0.013 m^2/s^4 0.112 m/s^2 0.224 m/s^2 21.628 (0.29) -1.036 (-6.06) 0.989 (6.35) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.015 m 0.029 m 21.628 (0.29) 39.996 (0.16) 27.541 (0.23) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.007 m/s 21.628 (0.29) -821.261 (-0.01) 9.309 (0.67) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.002 m/s^2 0.004 m/s^2 21.628 (0.29) -3.510 (-1.79) 3.096 (2.03) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.003 m 0.006 m 21.628 (0.29) -16.015 (-0.39) 6.380 (0.98) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.003 m/s 0.006 m/s 21.628 (0.29) -3.566 (-1.76) 3.429 (1.83) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.006 m/s^2 0.012 m/s^2 21.628 (0.29) -3.195 (-1.97) 3.073 (2.04) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.030 SM 0.000 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.013 m^2 0.115 m 0.231 m 21.628 (0.29) 28.386 (0.22) 24.994 (0.25) s (rad/s)
passenger deck forward: Rel. vert. motion 0.015 m^2 0.124 m 0.248 m 21.628 (0.29) 36.248 (0.17) 21.456 (0.29) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.001 m^2/s^2 0.029 m/s 0.058 m/s 21.628 (0.29) 30.388 (0.21) 15.646 (0.40) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.001 m^2/s^2 0.036 m/s 0.073 m/s 21.628 (0.29) -4.151 (-1.51) 2.098 (3.00) s (rad/s)
passenger deck forward: Abs. vert. accel 0.000 m^2/s^4 0.012 m/s^2 0.023 m/s^2 21.628 (0.29) -6.333 (-0.99) 4.016 (1.56) s (rad/s)
passenger deck forward: Rel. vert. accel 0.012 m^2/s^4 0.109 m/s^2 0.217 m/s^2 21.628 (0.29) -1.021 (-6.15) 0.979 (6.42) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.015 m 0.029 m 21.628 (0.29) 39.996 (0.16) 27.541 (0.23) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.007 m/s 21.628 (0.29) -821.261 (-0.01) 9.309 (0.67) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.002 m/s^2 0.004 m/s^2 21.628 (0.29) -3.510 (-1.79) 3.096 (2.03) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.003 m 0.006 m 21.628 (0.29) -16.015 (-0.39) 6.380 (0.98) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.003 m/s 0.006 m/s 21.628 (0.29) -3.566 (-1.76) 3.429 (1.83) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.006 m/s^2 0.012 m/s^2 21.628 (0.29) -3.195 (-1.97) 3.073 (2.04) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.005 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.013 m^2 0.115 m 0.231 m 21.628 (0.29) 28.386 (0.22) 24.994 (0.25) s (rad/s)
Bridge deck: Rel. vert. motion 0.015 m^2 0.124 m 0.248 m 21.628 (0.29) 36.248 (0.17) 21.456 (0.29) s (rad/s)
Bridge deck: Abs. vert. velocity 0.001 m^2/s^2 0.029 m/s 0.058 m/s 21.628 (0.29) 30.388 (0.21) 15.646 (0.40) s (rad/s)
Bridge deck: Rel. vert. velocity 0.001 m^2/s^2 0.036 m/s 0.073 m/s 21.628 (0.29) -4.151 (-1.51) 2.098 (3.00) s (rad/s)
Bridge deck: Abs. vert. accel 0.000 m^2/s^4 0.012 m/s^2 0.023 m/s^2 21.628 (0.29) -6.333 (-0.99) 4.016 (1.56) s (rad/s)
Bridge deck: Rel. vert. accel 0.012 m^2/s^4 0.109 m/s^2 0.217 m/s^2 21.628 (0.29) -1.021 (-6.15) 0.979 (6.42) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.001 m^2 0.027 m 0.053 m 21.628 (0.29) 39.996 (0.16) 27.541 (0.23) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.006 m/s 0.012 m/s 21.628 (0.29) -821.261 (-0.01) 9.309 (0.67) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.004 m/s^2 0.008 m/s^2 21.628 (0.29) -3.510 (-1.79) 3.096 (2.03) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.006 m 0.012 m 21.628 (0.29) -16.015 (-0.39) 6.380 (0.98) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.006 m/s 0.011 m/s 21.628 (0.29) -3.566 (-1.76) 3.429 (1.83) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.010 m/s^2 0.021 m/s^2 21.628 (0.29) -3.195 (-1.97) 3.073 (2.04) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.005 SM 0.000 % 0.000 % -- -- --

Design Speed, 17 kn; 6.018 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 6.018 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 21.628 (0.29) 31.023 (0.20) 15.684 (0.40) s (rad/s)
Added resistance 1.811 kN -- -- 21.628 (0.29) 40.897 (0.15) 21.342 (0.29) s (rad/s)
Heave motion 0.021 m^2 0.145 m 0.290 m 21.628 (0.29) 26.875 (0.23) 21.505 (0.29) s (rad/s)
Roll motion 0.00001 rad^2 0.00227 rad 0.00455 rad 21.628 (0.29) -16.014 (-0.39) 6.373 (0.99) s (rad/s)
Pitch motion 0.00011 rad^2 0.01040 rad 0.02079 rad 21.628 (0.29) 40.059 (0.16) 27.538 (0.23) s (rad/s)
Heave velocity 0.002 m^2/s^2 0.042 m/s 0.085 m/s 21.628 (0.29) -42.667 (-0.15) 7.065 (0.89) s (rad/s)
Roll velocity 0.00001 (rad/s)^2 0.00224 rad/s 0.00448 rad/s 21.628 (0.29) -3.561 (-1.76) 3.424 (1.83) s (rad/s)
Pitch velocity 0.00001 (rad/s)^2 0.00237 rad/s 0.00474 rad/s 21.628 (0.29) -758.279 (-0.01) 9.301 (0.68) s (rad/s)
Heave acceleration 0.001 m^2/s^4 0.038 m/s^2 0.075 m/s^2 21.628 (0.29) -3.319 (-1.89) 3.045 (2.06) s (rad/s)
Roll acceleration 0.00002 (rad/s/s)^2 0.00411 rad/s/s 0.00822 rad/s/s 21.628 (0.29) -3.192 (-1.97) 3.073 (2.04) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00160 rad/s/s 0.00320 rad/s/s 21.628 (0.29) -3.509 (-1.79) 3.095 (2.03) s (rad/s)
passenger deck aft: Abs. vert. motion 0.019 m^2 0.138 m 0.275 m 21.628 (0.29) 32.889 (0.19) 20.741 (0.30) s (rad/s)
passenger deck aft: Rel. vert. motion 0.017 m^2 0.132 m 0.263 m 21.628 (0.29) 313.860 (0.02) 14.807 (0.42) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.002 m^2/s^2 0.042 m/s 0.083 m/s 21.628 (0.29) -14.028 (-0.45) 5.541 (1.13) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.003 m^2/s^2 0.056 m/s 0.112 m/s 21.628 (0.29) -2.044 (-3.07) 1.580 (3.98) s (rad/s)
passenger deck aft: Abs. vert. accel 0.002 m^2/s^4 0.047 m/s^2 0.094 m/s^2 21.628 (0.29) -3.153 (-1.99) 2.973 (2.11) s (rad/s)
passenger deck aft: Rel. vert. accel 0.049 m^2/s^4 0.222 m/s^2 0.444 m/s^2 21.628 (0.29) -1.041 (-6.03) 0.994 (6.32) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.001 m^2 0.029 m 0.058 m 21.628 (0.29) 39.943 (0.16) 27.527 (0.23) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.007 m/s 0.013 m/s 21.628 (0.29) -894.550 (-0.01) 9.318 (0.67) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.004 m/s^2 0.009 m/s^2 21.628 (0.29) -3.513 (-1.79) 3.098 (2.03) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.006 m 0.013 m 21.628 (0.29) -16.025 (-0.39) 6.377 (0.99) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.006 m/s 0.013 m/s 21.628 (0.29) -3.564 (-1.76) 3.427 (1.83) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.011 m/s^2 0.023 m/s^2 21.628 (0.29) -3.195 (-1.97) 3.074 (2.04) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.080 SM 0.003 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.053 m^2 0.230 m 0.461 m 21.628 (0.29) 28.332 (0.22) 24.968 (0.25) s (rad/s)
passenger deck forward: Rel. vert. motion 0.061 m^2 0.247 m 0.495 m 21.628 (0.29) 36.192 (0.17) 21.476 (0.29) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.003 m^2/s^2 0.058 m/s 0.116 m/s 21.628 (0.29) 30.319 (0.21) 15.666 (0.40) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.005 m^2/s^2 0.072 m/s 0.145 m/s 21.628 (0.29) -4.193 (-1.50) 2.112 (2.98) s (rad/s)
passenger deck forward: Abs. vert. accel 0.001 m^2/s^4 0.023 m/s^2 0.047 m/s^2 21.628 (0.29) -6.359 (-0.99) 4.023 (1.56) s (rad/s)
passenger deck forward: Rel. vert. accel 0.046 m^2/s^4 0.215 m/s^2 0.430 m/s^2 21.628 (0.29) -1.027 (-6.12) 0.984 (6.39) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.001 m^2 0.029 m 0.058 m 21.628 (0.29) 39.943 (0.16) 27.527 (0.23) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.007 m/s 0.013 m/s 21.628 (0.29) -894.550 (-0.01) 9.318 (0.67) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.004 m/s^2 0.009 m/s^2 21.628 (0.29) -3.513 (-1.79) 3.098 (2.03) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.006 m 0.013 m 21.628 (0.29) -16.025 (-0.39) 6.377 (0.99) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.006 m/s 0.013 m/s 21.628 (0.29) -3.564 (-1.76) 3.427 (1.83) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.011 m/s^2 0.023 m/s^2 21.628 (0.29) -3.195 (-1.97) 3.074 (2.04) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.015 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.053 m^2 0.230 m 0.461 m 21.628 (0.29) 28.332 (0.22) 24.968 (0.25) s (rad/s)
Bridge deck: Rel. vert. motion 0.061 m^2 0.247 m 0.495 m 21.628 (0.29) 36.192 (0.17) 21.476 (0.29) s (rad/s)
Bridge deck: Abs. vert. velocity 0.003 m^2/s^2 0.058 m/s 0.116 m/s 21.628 (0.29) 30.319 (0.21) 15.666 (0.40) s (rad/s)
Bridge deck: Rel. vert. velocity 0.005 m^2/s^2 0.072 m/s 0.145 m/s 21.628 (0.29) -4.193 (-1.50) 2.112 (2.98) s (rad/s)
Bridge deck: Abs. vert. accel 0.001 m^2/s^4 0.023 m/s^2 0.047 m/s^2 21.628 (0.29) -6.359 (-0.99) 4.023 (1.56) s (rad/s)
Bridge deck: Rel. vert. accel 0.046 m^2/s^4 0.215 m/s^2 0.430 m/s^2 21.628 (0.29) -1.027 (-6.12) 0.984 (6.39) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.003 m^2 0.053 m 0.106 m 21.628 (0.29) 39.943 (0.16) 27.527 (0.23) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.012 m/s 0.024 m/s 21.628 (0.29) -894.550 (-0.01) 9.318 (0.67) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.008 m/s^2 0.016 m/s^2 21.628 (0.29) -3.513 (-1.79) 3.098 (2.03) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.012 m 0.023 m 21.628 (0.29) -16.025 (-0.39) 6.377 (0.99) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.011 m/s 0.023 m/s 21.628 (0.29) -3.564 (-1.76) 3.427 (1.83) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.021 m/s^2 0.042 m/s^2 21.628 (0.29) -3.195 (-1.97) 3.074 (2.04) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.015 SM 0.000 % 0.000 % -- -- --

Design Speed, 17 kn; 6.018 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.965 s -- -- -- -- --
Characteristic wave height 1.200 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 6.018 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.090 m^2 0.300 m 0.601 m 9.969 (0.63) 8.348 (0.75) 7.856 (0.80) s (rad/s)
Encountered wave spectrum 0.090 m^2 0.300 m 0.601 m 21.628 (0.29) 31.077 (0.20) 15.659 (0.40) s (rad/s)
Added resistance 7.260 kN -- -- 21.628 (0.29) 40.988 (0.15) 21.343 (0.29) s (rad/s)
Heave motion 0.084 m^2 0.290 m 0.579 m 21.628 (0.29) 26.908 (0.23) 21.511 (0.29) s (rad/s)
Roll motion 0.00002 rad^2 0.00455 rad 0.00911 rad 21.628 (0.29) -15.986 (-0.39) 6.372 (0.99) s (rad/s)
Pitch motion 0.00043 rad^2 0.02082 rad 0.04164 rad 21.628 (0.29) 40.080 (0.16) 27.545 (0.23) s (rad/s)
Heave velocity 0.007 m^2/s^2 0.085 m/s 0.169 m/s 21.628 (0.29) -42.347 (-0.15) 7.058 (0.89) s (rad/s)
Roll velocity 0.00002 (rad/s)^2 0.00449 rad/s 0.00898 rad/s 21.628 (0.29) -3.562 (-1.76) 3.426 (1.83) s (rad/s)
Pitch velocity 0.00002 (rad/s)^2 0.00475 rad/s 0.00950 rad/s 21.628 (0.29) -750.964 (-0.01) 9.301 (0.68) s (rad/s)
Heave acceleration 0.006 m^2/s^4 0.075 m/s^2 0.151 m/s^2 21.628 (0.29) -3.317 (-1.89) 3.044 (2.06) s (rad/s)
Roll acceleration 0.00007 (rad/s/s)^2 0.00824 rad/s/s 0.01647 rad/s/s 21.628 (0.29) -3.193 (-1.97) 3.073 (2.04) s (rad/s)
Pitch acceleration 0.00001 (rad/s/s)^2 0.00321 rad/s/s 0.00642 rad/s/s 21.628 (0.29) -3.508 (-1.79) 3.094 (2.03) s (rad/s)
passenger deck aft: Abs. vert. motion 0.076 m^2 0.275 m 0.550 m 21.628 (0.29) 32.960 (0.19) 20.747 (0.30) s (rad/s)
passenger deck aft: Rel. vert. motion 0.070 m^2 0.264 m 0.528 m 21.628 (0.29) 316.818 (0.02) 14.799 (0.42) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.007 m^2/s^2 0.083 m/s 0.167 m/s 21.628 (0.29) -13.977 (-0.45) 5.535 (1.14) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.013 m^2/s^2 0.112 m/s 0.224 m/s 21.628 (0.29) -2.038 (-3.08) 1.576 (3.99) s (rad/s)
passenger deck aft: Abs. vert. accel 0.009 m^2/s^4 0.095 m/s^2 0.189 m/s^2 21.628 (0.29) -3.152 (-1.99) 2.972 (2.11) s (rad/s)
passenger deck aft: Rel. vert. accel 0.199 m^2/s^4 0.447 m/s^2 0.893 m/s^2 21.628 (0.29) -1.039 (-6.05) 0.991 (6.34) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.003 m^2 0.058 m 0.116 m 21.628 (0.29) 39.965 (0.16) 27.534 (0.23) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.013 m/s 0.027 m/s 21.628 (0.29) -884.758 (-0.01) 9.318 (0.67) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.009 m/s^2 0.018 m/s^2 21.628 (0.29) -3.512 (-1.79) 3.097 (2.03) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.013 m 0.025 m 21.628 (0.29) -15.992 (-0.39) 6.375 (0.99) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.013 m/s 0.025 m/s 21.628 (0.29) -3.565 (-1.76) 3.429 (1.83) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.001 m^2/s^4 0.023 m/s^2 0.046 m/s^2 21.628 (0.29) -3.195 (-1.97) 3.075 (2.04) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.216 SM 0.057 % 0.004 % -- -- --
passenger deck forward: Abs. vert. motion 0.213 m^2 0.461 m 0.923 m 21.628 (0.29) 28.356 (0.22) 24.980 (0.25) s (rad/s)
passenger deck forward: Rel. vert. motion 0.245 m^2 0.495 m 0.990 m 21.628 (0.29) 36.216 (0.17) 21.465 (0.29) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.013 m^2/s^2 0.116 m/s 0.232 m/s 21.628 (0.29) 30.346 (0.21) 15.661 (0.40) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.021 m^2/s^2 0.145 m/s 0.290 m/s 21.628 (0.29) -4.171 (-1.51) 2.105 (2.99) s (rad/s)
passenger deck forward: Abs. vert. accel 0.002 m^2/s^4 0.047 m/s^2 0.093 m/s^2 21.628 (0.29) -6.351 (-0.99) 4.021 (1.56) s (rad/s)
passenger deck forward: Rel. vert. accel 0.187 m^2/s^4 0.433 m/s^2 0.865 m/s^2 21.628 (0.29) -1.024 (-6.14) 0.982 (6.40) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.003 m^2 0.058 m 0.116 m 21.628 (0.29) 39.965 (0.16) 27.534 (0.23) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.013 m/s 0.027 m/s 21.628 (0.29) -884.758 (-0.01) 9.318 (0.67) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.009 m/s^2 0.018 m/s^2 21.628 (0.29) -3.512 (-1.79) 3.097 (2.03) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.013 m 0.025 m 21.628 (0.29) -15.992 (-0.39) 6.375 (0.99) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.013 m/s 0.025 m/s 21.628 (0.29) -3.565 (-1.76) 3.429 (1.83) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.001 m^2/s^4 0.023 m/s^2 0.046 m/s^2 21.628 (0.29) -3.195 (-1.97) 3.075 (2.04) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.040 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.213 m^2 0.461 m 0.923 m 21.628 (0.29) 28.356 (0.22) 24.980 (0.25) s (rad/s)
Bridge deck: Rel. vert. motion 0.245 m^2 0.495 m 0.990 m 21.628 (0.29) 36.216 (0.17) 21.465 (0.29) s (rad/s)
Bridge deck: Abs. vert. velocity 0.013 m^2/s^2 0.116 m/s 0.232 m/s 21.628 (0.29) 30.346 (0.21) 15.661 (0.40) s (rad/s)
Bridge deck: Rel. vert. velocity 0.021 m^2/s^2 0.145 m/s 0.290 m/s 21.628 (0.29) -4.171 (-1.51) 2.105 (2.99) s (rad/s)
Bridge deck: Abs. vert. accel 0.002 m^2/s^4 0.047 m/s^2 0.093 m/s^2 21.628 (0.29) -6.351 (-0.99) 4.021 (1.56) s (rad/s)
Bridge deck: Rel. vert. accel 0.187 m^2/s^4 0.433 m/s^2 0.865 m/s^2 21.628 (0.29) -1.024 (-6.14) 0.982 (6.40) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.011 m^2 0.106 m 0.212 m 21.628 (0.29) 39.965 (0.16) 27.534 (0.23) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.001 m^2/s^2 0.024 m/s 0.048 m/s 21.628 (0.29) -884.758 (-0.01) 9.318 (0.67) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.016 m/s^2 0.033 m/s^2 21.628 (0.29) -3.512 (-1.79) 3.097 (2.03) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.001 m^2 0.023 m 0.046 m 21.628 (0.29) -15.992 (-0.39) 6.375 (0.99) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.001 m^2/s^2 0.023 m/s 0.046 m/s 21.628 (0.29) -3.565 (-1.76) 3.429 (1.83) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.002 m^2/s^4 0.042 m/s^2 0.084 m/s^2 21.628 (0.29) -3.195 (-1.97) 3.075 (2.04) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.040 SM 0.000 % 0.000 % -- -- --

Design Speed, 17 kn; 6.018 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 2.000 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 6.018 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.251 m^2 0.501 m 1.001 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.251 m^2 0.501 m 1.001 m 21.628 (0.29) 31.023 (0.20) 15.684 (0.40) s (rad/s)
Added resistance 20.118 kN -- -- 21.628 (0.29) 40.897 (0.15) 21.342 (0.29) s (rad/s)
Heave motion 0.233 m^2 0.483 m 0.965 m 21.628 (0.29) 26.875 (0.23) 21.505 (0.29) s (rad/s)
Roll motion 0.00006 rad^2 0.00758 rad 0.01516 rad 21.628 (0.29) -16.014 (-0.39) 6.373 (0.99) s (rad/s)
Pitch motion 0.00120 rad^2 0.03465 rad 0.06931 rad 21.628 (0.29) 40.059 (0.16) 27.538 (0.23) s (rad/s)
Heave velocity 0.020 m^2/s^2 0.141 m/s 0.282 m/s 21.628 (0.29) -42.667 (-0.15) 7.065 (0.89) s (rad/s)
Roll velocity 0.00006 (rad/s)^2 0.00747 rad/s 0.01494 rad/s 21.628 (0.29) -3.561 (-1.76) 3.424 (1.83) s (rad/s)
Pitch velocity 0.00006 (rad/s)^2 0.00791 rad/s 0.01581 rad/s 21.628 (0.29) -758.279 (-0.01) 9.301 (0.68) s (rad/s)
Heave acceleration 0.016 m^2/s^4 0.125 m/s^2 0.251 m/s^2 21.628 (0.29) -3.319 (-1.89) 3.045 (2.06) s (rad/s)
Roll acceleration 0.00019 (rad/s/s)^2 0.01370 rad/s/s 0.02741 rad/s/s 21.628 (0.29) -3.192 (-1.97) 3.073 (2.04) s (rad/s)
Pitch acceleration 0.00003 (rad/s/s)^2 0.00534 rad/s/s 0.01068 rad/s/s 21.628 (0.29) -3.509 (-1.79) 3.095 (2.03) s (rad/s)
passenger deck aft: Abs. vert. motion 0.210 m^2 0.458 m 0.917 m 21.628 (0.29) 32.889 (0.19) 20.741 (0.30) s (rad/s)
passenger deck aft: Rel. vert. motion 0.193 m^2 0.439 m 0.878 m 21.628 (0.29) 313.860 (0.02) 14.807 (0.42) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.019 m^2/s^2 0.139 m/s 0.278 m/s 21.628 (0.29) -14.028 (-0.45) 5.541 (1.13) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.035 m^2/s^2 0.186 m/s 0.373 m/s 21.628 (0.29) -2.044 (-3.07) 1.580 (3.98) s (rad/s)
passenger deck aft: Abs. vert. accel 0.025 m^2/s^4 0.157 m/s^2 0.315 m/s^2 21.628 (0.29) -3.153 (-1.99) 2.973 (2.11) s (rad/s)
passenger deck aft: Rel. vert. accel 0.549 m^2/s^4 0.741 m/s^2 1.481 m/s^2 21.628 (0.29) -1.041 (-6.03) 0.994 (6.32) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.009 m^2 0.097 m 0.194 m 21.628 (0.29) 39.943 (0.16) 27.527 (0.23) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.022 m/s 0.044 m/s 21.628 (0.29) -894.550 (-0.01) 9.318 (0.67) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.015 m/s^2 0.030 m/s^2 21.628 (0.29) -3.513 (-1.79) 3.098 (2.03) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.021 m 0.042 m 21.628 (0.29) -16.025 (-0.39) 6.377 (0.99) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.021 m/s 0.042 m/s 21.628 (0.29) -3.564 (-1.76) 3.427 (1.83) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.001 m^2/s^4 0.038 m/s^2 0.077 m/s^2 21.628 (0.29) -3.195 (-1.97) 3.074 (2.04) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.448 SM 0.346 % 0.050 % -- -- --
passenger deck forward: Abs. vert. motion 0.590 m^2 0.768 m 1.537 m 21.628 (0.29) 28.332 (0.22) 24.968 (0.25) s (rad/s)
passenger deck forward: Rel. vert. motion 0.679 m^2 0.824 m 1.649 m 21.628 (0.29) 36.192 (0.17) 21.476 (0.29) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.037 m^2/s^2 0.193 m/s 0.387 m/s 21.628 (0.29) 30.319 (0.21) 15.666 (0.40) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.058 m^2/s^2 0.241 m/s 0.482 m/s 21.628 (0.29) -4.193 (-1.50) 2.112 (2.98) s (rad/s)
passenger deck forward: Abs. vert. accel 0.006 m^2/s^4 0.078 m/s^2 0.155 m/s^2 21.628 (0.29) -6.359 (-0.99) 4.023 (1.56) s (rad/s)
passenger deck forward: Rel. vert. accel 0.514 m^2/s^4 0.717 m/s^2 1.435 m/s^2 21.628 (0.29) -1.027 (-6.12) 0.984 (6.39) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.009 m^2 0.097 m 0.194 m 21.628 (0.29) 39.943 (0.16) 27.527 (0.23) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.022 m/s 0.044 m/s 21.628 (0.29) -894.550 (-0.01) 9.318 (0.67) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.015 m/s^2 0.030 m/s^2 21.628 (0.29) -3.513 (-1.79) 3.098 (2.03) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.021 m 0.042 m 21.628 (0.29) -16.025 (-0.39) 6.377 (0.99) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.021 m/s 0.042 m/s 21.628 (0.29) -3.564 (-1.76) 3.427 (1.83) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.001 m^2/s^4 0.038 m/s^2 0.077 m/s^2 21.628 (0.29) -3.195 (-1.97) 3.074 (2.04) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.082 SM 0.001 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.590 m^2 0.768 m 1.537 m 21.628 (0.29) 28.332 (0.22) 24.968 (0.25) s (rad/s)
Bridge deck: Rel. vert. motion 0.679 m^2 0.824 m 1.649 m 21.628 (0.29) 36.192 (0.17) 21.476 (0.29) s (rad/s)
Bridge deck: Abs. vert. velocity 0.037 m^2/s^2 0.193 m/s 0.387 m/s 21.628 (0.29) 30.319 (0.21) 15.666 (0.40) s (rad/s)
Bridge deck: Rel. vert. velocity 0.058 m^2/s^2 0.241 m/s 0.482 m/s 21.628 (0.29) -4.193 (-1.50) 2.112 (2.98) s (rad/s)
Bridge deck: Abs. vert. accel 0.006 m^2/s^4 0.078 m/s^2 0.155 m/s^2 21.628 (0.29) -6.359 (-0.99) 4.023 (1.56) s (rad/s)
Bridge deck: Rel. vert. accel 0.514 m^2/s^4 0.717 m/s^2 1.435 m/s^2 21.628 (0.29) -1.027 (-6.12) 0.984 (6.39) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.031 m^2 0.177 m 0.353 m 21.628 (0.29) 39.943 (0.16) 27.527 (0.23) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.002 m^2/s^2 0.040 m/s 0.081 m/s 21.628 (0.29) -894.550 (-0.01) 9.318 (0.67) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.001 m^2/s^4 0.027 m/s^2 0.054 m/s^2 21.628 (0.29) -3.513 (-1.79) 3.098 (2.03) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.001 m^2 0.039 m 0.077 m 21.628 (0.29) -16.025 (-0.39) 6.377 (0.99) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.001 m^2/s^2 0.038 m/s 0.076 m/s 21.628 (0.29) -3.564 (-1.76) 3.427 (1.83) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.005 m^2/s^4 0.070 m/s^2 0.139 m/s^2 21.628 (0.29) -3.195 (-1.97) 3.074 (2.04) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.082 SM 0.001 % 0.000 % -- -- --

Trial Speed, 18 kn; Head sea, 0 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.956 s -- -- -- -- --
Characteristic wave height 0.300 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 0.000 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.006 m^2 0.075 m 0.150 m 9.960 (0.63) 8.340 (0.75) 7.849 (0.80) s (rad/s)
Encountered wave spectrum 0.006 m^2 0.075 m 0.150 m 23.732 (0.26) 42.394 (0.15) 14.609 (0.43) s (rad/s)
Added resistance 0.561 kN -- -- 23.732 (0.26) 67.435 (0.09) 23.437 (0.27) s (rad/s)
Heave motion 0.007 m^2 0.082 m 0.164 m 23.732 (0.26) 40.762 (0.15) 24.647 (0.25) s (rad/s)
Roll motion 0.00000 rad^2 0.00000 rad 0.00000 rad 23.732 (0.26) -4.602 (-1.37) 3.887 (1.62) s (rad/s)
Pitch motion 0.00004 rad^2 0.00607 rad 0.01213 rad 23.732 (0.26) 64.370 (0.10) 30.089 (0.21) s (rad/s)
Heave velocity 0.000 m^2/s^2 0.021 m/s 0.042 m/s 23.732 (0.26) -13.235 (-0.47) 5.540 (1.13) s (rad/s)
Roll velocity 0.00000 (rad/s)^2 0.00000 rad/s 0.00000 rad/s 23.732 (0.26) -3.362 (-1.87) 3.347 (1.88) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00127 rad/s 0.00253 rad/s 23.732 (0.26) -32.296 (-0.19) 7.943 (0.79) s (rad/s)
Heave acceleration 0.001 m^2/s^4 0.024 m/s^2 0.047 m/s^2 23.732 (0.26) -3.127 (-2.01) 2.959 (2.12) s (rad/s)
Roll acceleration 0.00000 (rad/s/s)^2 0.00000 rad/s/s 0.00000 rad/s/s 23.732 (0.26) -3.303 (-1.90) 3.263 (1.93) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00100 rad/s/s 0.00200 rad/s/s 23.732 (0.26) -3.263 (-1.93) 2.988 (2.10) s (rad/s)
passenger deck aft: Abs. vert. motion 0.006 m^2 0.079 m 0.158 m 23.732 (0.26) 60.391 (0.10) 22.832 (0.28) s (rad/s)
passenger deck aft: Rel. vert. motion 0.007 m^2 0.081 m 0.163 m 23.732 (0.26) -164.158 (-0.04) 15.372 (0.41) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.000 m^2/s^2 0.022 m/s 0.044 m/s 23.732 (0.26) -7.379 (-0.85) 4.545 (1.38) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.001 m^2/s^2 0.033 m/s 0.066 m/s 23.732 (0.26) -1.783 (-3.52) 1.401 (4.49) s (rad/s)
passenger deck aft: Abs. vert. accel 0.001 m^2/s^4 0.030 m/s^2 0.060 m/s^2 23.732 (0.26) -3.060 (-2.05) 2.923 (2.15) s (rad/s)
passenger deck aft: Rel. vert. accel 0.022 m^2/s^4 0.149 m/s^2 0.298 m/s^2 23.732 (0.26) -0.915 (-6.87) 0.871 (7.21) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.017 m 0.034 m 23.732 (0.26) 64.039 (0.10) 30.095 (0.21) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.004 m/s 0.007 m/s 23.732 (0.26) -32.569 (-0.19) 7.954 (0.79) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.003 m/s^2 0.006 m/s^2 23.732 (0.26) -3.265 (-1.92) 2.989 (2.10) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.000 m 0.000 m 23.732 (0.26) -4.605 (-1.36) 3.890 (1.62) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.000 m/s 0.000 m/s 23.732 (0.26) -3.365 (-1.87) 3.350 (1.88) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.000 m/s^2 0.000 m/s^2 23.732 (0.26) -3.306 (-1.90) 3.265 (1.92) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.040 SM 0.000 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.017 m^2 0.131 m 0.262 m 23.732 (0.26) 39.946 (0.16) 29.420 (0.21) s (rad/s)
passenger deck forward: Rel. vert. motion 0.020 m^2 0.141 m 0.281 m 23.732 (0.26) 56.010 (0.11) 22.616 (0.28) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.001 m^2/s^2 0.028 m/s 0.056 m/s 23.732 (0.26) 58.820 (0.11) 13.449 (0.47) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.002 m^2/s^2 0.039 m/s 0.078 m/s 23.732 (0.26) -2.887 (-2.18) 1.699 (3.70) s (rad/s)
passenger deck forward: Abs. vert. accel 0.000 m^2/s^4 0.013 m/s^2 0.026 m/s^2 23.732 (0.26) -4.366 (-1.44) 3.479 (1.81) s (rad/s)
passenger deck forward: Rel. vert. accel 0.021 m^2/s^4 0.144 m/s^2 0.289 m/s^2 23.732 (0.26) -0.900 (-6.98) 0.863 (7.28) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.017 m 0.034 m 23.732 (0.26) 64.039 (0.10) 30.095 (0.21) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.004 m/s 0.007 m/s 23.732 (0.26) -32.569 (-0.19) 7.954 (0.79) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.003 m/s^2 0.006 m/s^2 23.732 (0.26) -3.265 (-1.92) 2.989 (2.10) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.000 m 0.000 m 23.732 (0.26) -4.605 (-1.36) 3.890 (1.62) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.000 m/s 0.000 m/s 23.732 (0.26) -3.365 (-1.87) 3.350 (1.88) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.000 m/s^2 0.000 m/s^2 23.732 (0.26) -3.306 (-1.90) 3.265 (1.92) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.008 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.017 m^2 0.131 m 0.262 m 23.732 (0.26) 39.946 (0.16) 29.420 (0.21) s (rad/s)
Bridge deck: Rel. vert. motion 0.020 m^2 0.141 m 0.281 m 23.732 (0.26) 56.010 (0.11) 22.616 (0.28) s (rad/s)
Bridge deck: Abs. vert. velocity 0.001 m^2/s^2 0.028 m/s 0.056 m/s 23.732 (0.26) 58.820 (0.11) 13.449 (0.47) s (rad/s)
Bridge deck: Rel. vert. velocity 0.002 m^2/s^2 0.039 m/s 0.078 m/s 23.732 (0.26) -2.887 (-2.18) 1.699 (3.70) s (rad/s)
Bridge deck: Abs. vert. accel 0.000 m^2/s^4 0.013 m/s^2 0.026 m/s^2 23.732 (0.26) -4.366 (-1.44) 3.479 (1.81) s (rad/s)
Bridge deck: Rel. vert. accel 0.021 m^2/s^4 0.144 m/s^2 0.289 m/s^2 23.732 (0.26) -0.900 (-6.98) 0.863 (7.28) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.001 m^2 0.031 m 0.062 m 23.732 (0.26) 64.039 (0.10) 30.095 (0.21) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.006 m/s 0.013 m/s 23.732 (0.26) -32.569 (-0.19) 7.954 (0.79) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.005 m/s^2 0.010 m/s^2 23.732 (0.26) -3.265 (-1.92) 2.989 (2.10) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.000 m 0.000 m 23.732 (0.26) -4.605 (-1.36) 3.890 (1.62) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.000 m/s 0.000 m/s 23.732 (0.26) -3.365 (-1.87) 3.350 (1.88) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.000 m/s^2 0.000 m/s^2 23.732 (0.26) -3.306 (-1.90) 3.265 (1.92) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.008 SM 0.000 % 0.000 % -- -- --

Trial Speed, 18 kn; Head sea, 0 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 0.000 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 23.732 (0.26) 42.147 (0.15) 14.663 (0.43) s (rad/s)
Added resistance 2.235 kN -- -- 23.732 (0.26) 67.117 (0.09) 23.452 (0.27) s (rad/s)
Heave motion 0.027 m^2 0.164 m 0.328 m 23.732 (0.26) 40.608 (0.15) 24.650 (0.25) s (rad/s)
Roll motion 0.00000 rad^2 0.00000 rad 0.00000 rad 23.732 (0.26) -4.626 (-1.36) 3.897 (1.61) s (rad/s)
Pitch motion 0.00015 rad^2 0.01210 rad 0.02420 rad 23.732 (0.26) 64.183 (0.10) 30.081 (0.21) s (rad/s)
Heave velocity 0.002 m^2/s^2 0.042 m/s 0.084 m/s 23.732 (0.26) -13.368 (-0.47) 5.556 (1.13) s (rad/s)
Roll velocity 0.00000 (rad/s)^2 0.00000 rad/s 0.00000 rad/s 23.732 (0.26) -3.362 (-1.87) 3.347 (1.88) s (rad/s)
Pitch velocity 0.00001 (rad/s)^2 0.00253 rad/s 0.00505 rad/s 23.732 (0.26) -32.484 (-0.19) 7.950 (0.79) s (rad/s)
Heave acceleration 0.002 m^2/s^4 0.047 m/s^2 0.095 m/s^2 23.732 (0.26) -3.128 (-2.01) 2.959 (2.12) s (rad/s)
Roll acceleration 0.00000 (rad/s/s)^2 0.00000 rad/s/s 0.00000 rad/s/s 23.732 (0.26) -3.303 (-1.90) 3.262 (1.93) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00200 rad/s/s 0.00399 rad/s/s 23.732 (0.26) -3.264 (-1.93) 2.989 (2.10) s (rad/s)
passenger deck aft: Abs. vert. motion 0.025 m^2 0.158 m 0.317 m 23.732 (0.26) 59.951 (0.10) 22.844 (0.28) s (rad/s)
passenger deck aft: Rel. vert. motion 0.026 m^2 0.162 m 0.324 m 23.732 (0.26) -165.507 (-0.04) 15.404 (0.41) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.002 m^2/s^2 0.044 m/s 0.087 m/s 23.732 (0.26) -7.424 (-0.85) 4.555 (1.38) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.004 m^2/s^2 0.066 m/s 0.132 m/s 23.732 (0.26) -1.791 (-3.51) 1.407 (4.47) s (rad/s)
passenger deck aft: Abs. vert. accel 0.004 m^2/s^4 0.060 m/s^2 0.120 m/s^2 23.732 (0.26) -3.061 (-2.05) 2.923 (2.15) s (rad/s)
passenger deck aft: Rel. vert. accel 0.087 m^2/s^4 0.295 m/s^2 0.590 m/s^2 23.732 (0.26) -0.919 (-6.84) 0.875 (7.18) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.001 m^2 0.034 m 0.068 m 23.732 (0.26) 63.858 (0.10) 30.088 (0.21) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.007 m/s 0.014 m/s 23.732 (0.26) -32.762 (-0.19) 7.962 (0.79) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.006 m/s^2 0.011 m/s^2 23.732 (0.26) -3.266 (-1.92) 2.990 (2.10) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.000 m 0.000 m 23.732 (0.26) -4.630 (-1.36) 3.900 (1.61) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.000 m/s 0.000 m/s 23.732 (0.26) -3.365 (-1.87) 3.350 (1.88) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.000 m/s^2 0.000 m/s^2 23.732 (0.26) -3.305 (-1.90) 3.264 (1.92) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.108 SM 0.006 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.069 m^2 0.262 m 0.524 m 23.732 (0.26) 39.842 (0.16) 29.396 (0.21) s (rad/s)
passenger deck forward: Rel. vert. motion 0.079 m^2 0.281 m 0.561 m 23.732 (0.26) 55.846 (0.11) 22.645 (0.28) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.003 m^2/s^2 0.056 m/s 0.112 m/s 23.732 (0.26) 58.260 (0.11) 13.477 (0.47) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.006 m^2/s^2 0.078 m/s 0.156 m/s 23.732 (0.26) -2.911 (-2.16) 1.709 (3.68) s (rad/s)
passenger deck forward: Abs. vert. accel 0.001 m^2/s^4 0.026 m/s^2 0.052 m/s^2 23.732 (0.26) -4.376 (-1.44) 3.482 (1.80) s (rad/s)
passenger deck forward: Rel. vert. accel 0.082 m^2/s^4 0.286 m/s^2 0.572 m/s^2 23.732 (0.26) -0.904 (-6.95) 0.867 (7.25) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.001 m^2 0.034 m 0.068 m 23.732 (0.26) 63.858 (0.10) 30.088 (0.21) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.007 m/s 0.014 m/s 23.732 (0.26) -32.762 (-0.19) 7.962 (0.79) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.006 m/s^2 0.011 m/s^2 23.732 (0.26) -3.266 (-1.92) 2.990 (2.10) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.000 m 0.000 m 23.732 (0.26) -4.630 (-1.36) 3.900 (1.61) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.000 m/s 0.000 m/s 23.732 (0.26) -3.365 (-1.87) 3.350 (1.88) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.000 m/s^2 0.000 m/s^2 23.732 (0.26) -3.305 (-1.90) 3.264 (1.92) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.021 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.069 m^2 0.262 m 0.524 m 23.732 (0.26) 39.842 (0.16) 29.396 (0.21) s (rad/s)
Bridge deck: Rel. vert. motion 0.079 m^2 0.281 m 0.561 m 23.732 (0.26) 55.846 (0.11) 22.645 (0.28) s (rad/s)
Bridge deck: Abs. vert. velocity 0.003 m^2/s^2 0.056 m/s 0.112 m/s 23.732 (0.26) 58.260 (0.11) 13.477 (0.47) s (rad/s)
Bridge deck: Rel. vert. velocity 0.006 m^2/s^2 0.078 m/s 0.156 m/s 23.732 (0.26) -2.911 (-2.16) 1.709 (3.68) s (rad/s)
Bridge deck: Abs. vert. accel 0.001 m^2/s^4 0.026 m/s^2 0.052 m/s^2 23.732 (0.26) -4.376 (-1.44) 3.482 (1.80) s (rad/s)
Bridge deck: Rel. vert. accel 0.082 m^2/s^4 0.286 m/s^2 0.572 m/s^2 23.732 (0.26) -0.904 (-6.95) 0.867 (7.25) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.004 m^2 0.062 m 0.123 m 23.732 (0.26) 63.858 (0.10) 30.088 (0.21) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.013 m/s 0.026 m/s 23.732 (0.26) -32.762 (-0.19) 7.962 (0.79) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.010 m/s^2 0.020 m/s^2 23.732 (0.26) -3.266 (-1.92) 2.990 (2.10) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.000 m 0.000 m 23.732 (0.26) -4.630 (-1.36) 3.900 (1.61) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.000 m/s 0.000 m/s 23.732 (0.26) -3.365 (-1.87) 3.350 (1.88) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.000 m/s^2 0.000 m/s^2 23.732 (0.26) -3.305 (-1.90) 3.264 (1.92) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.021 SM 0.000 % 0.000 % -- -- --

Trial Speed, 18 kn; Head sea, 0 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.965 s -- -- -- -- --
Characteristic wave height 1.200 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 0.000 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.090 m^2 0.300 m 0.601 m 9.969 (0.63) 8.348 (0.75) 7.856 (0.80) s (rad/s)
Encountered wave spectrum 0.090 m^2 0.300 m 0.601 m 23.732 (0.26) 42.278 (0.15) 14.635 (0.43) s (rad/s)
Added resistance 8.965 kN -- -- 23.732 (0.26) 67.334 (0.09) 23.453 (0.27) s (rad/s)
Heave motion 0.108 m^2 0.328 m 0.657 m 23.732 (0.26) 40.756 (0.15) 24.675 (0.25) s (rad/s)
Roll motion 0.00000 rad^2 0.00000 rad 0.00000 rad 23.732 (0.26) -4.620 (-1.36) 3.894 (1.61) s (rad/s)
Pitch motion 0.00059 rad^2 0.02424 rad 0.04847 rad 23.732 (0.26) 64.299 (0.10) 30.093 (0.21) s (rad/s)
Heave velocity 0.007 m^2/s^2 0.084 m/s 0.167 m/s 23.732 (0.26) -13.315 (-0.47) 5.550 (1.13) s (rad/s)
Roll velocity 0.00000 (rad/s)^2 0.00000 rad/s 0.00000 rad/s 23.732 (0.26) -3.362 (-1.87) 3.347 (1.88) s (rad/s)
Pitch velocity 0.00003 (rad/s)^2 0.00506 rad/s 0.01012 rad/s 23.732 (0.26) -32.440 (-0.19) 7.950 (0.79) s (rad/s)
Heave acceleration 0.009 m^2/s^4 0.095 m/s^2 0.189 m/s^2 23.732 (0.26) -3.128 (-2.01) 2.959 (2.12) s (rad/s)
Roll acceleration 0.00000 (rad/s/s)^2 0.00000 rad/s/s 0.00000 rad/s/s 23.732 (0.26) -3.303 (-1.90) 3.262 (1.93) s (rad/s)
Pitch acceleration 0.00002 (rad/s/s)^2 0.00400 rad/s/s 0.00800 rad/s/s 23.732 (0.26) -3.263 (-1.93) 2.988 (2.10) s (rad/s)
passenger deck aft: Abs. vert. motion 0.101 m^2 0.317 m 0.634 m 23.732 (0.26) 60.254 (0.10) 22.861 (0.27) s (rad/s)
passenger deck aft: Rel. vert. motion 0.106 m^2 0.325 m 0.650 m 23.732 (0.26) -165.165 (-0.04) 15.403 (0.41) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.008 m^2/s^2 0.087 m/s 0.174 m/s 23.732 (0.26) -7.406 (-0.85) 4.551 (1.38) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.018 m^2/s^2 0.133 m/s 0.265 m/s 23.732 (0.26) -1.787 (-3.52) 1.404 (4.48) s (rad/s)
passenger deck aft: Abs. vert. accel 0.014 m^2/s^4 0.120 m/s^2 0.240 m/s^2 23.732 (0.26) -3.060 (-2.05) 2.923 (2.15) s (rad/s)
passenger deck aft: Rel. vert. accel 0.352 m^2/s^4 0.593 m/s^2 1.187 m/s^2 23.732 (0.26) -0.917 (-6.85) 0.873 (7.19) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.005 m^2 0.068 m 0.136 m 23.732 (0.26) 63.970 (0.10) 30.099 (0.21) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.014 m/s 0.028 m/s 23.732 (0.26) -32.717 (-0.19) 7.962 (0.79) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.011 m/s^2 0.022 m/s^2 23.732 (0.26) -3.266 (-1.92) 2.990 (2.10) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.000 m 0.000 m 23.732 (0.26) -4.623 (-1.36) 3.897 (1.61) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.000 m/s 0.000 m/s 23.732 (0.26) -3.365 (-1.87) 3.350 (1.88) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.000 m/s^2 0.000 m/s^2 23.732 (0.26) -3.305 (-1.90) 3.264 (1.92) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.291 SM 0.100 % 0.008 % -- -- --
passenger deck forward: Abs. vert. motion 0.276 m^2 0.525 m 1.050 m 23.732 (0.26) 39.943 (0.16) 29.427 (0.21) s (rad/s)
passenger deck forward: Rel. vert. motion 0.316 m^2 0.562 m 1.124 m 23.732 (0.26) 55.977 (0.11) 22.639 (0.28) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.013 m^2/s^2 0.112 m/s 0.224 m/s 23.732 (0.26) 58.491 (0.11) 13.469 (0.47) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.024 m^2/s^2 0.156 m/s 0.312 m/s 23.732 (0.26) -2.899 (-2.17) 1.704 (3.69) s (rad/s)
passenger deck forward: Abs. vert. accel 0.003 m^2/s^4 0.052 m/s^2 0.105 m/s^2 23.732 (0.26) -4.372 (-1.44) 3.481 (1.81) s (rad/s)
passenger deck forward: Rel. vert. accel 0.331 m^2/s^4 0.575 m/s^2 1.150 m/s^2 23.732 (0.26) -0.902 (-6.97) 0.865 (7.27) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.005 m^2 0.068 m 0.136 m 23.732 (0.26) 63.970 (0.10) 30.099 (0.21) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.014 m/s 0.028 m/s 23.732 (0.26) -32.717 (-0.19) 7.962 (0.79) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.011 m/s^2 0.022 m/s^2 23.732 (0.26) -3.266 (-1.92) 2.990 (2.10) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.000 m 0.000 m 23.732 (0.26) -4.623 (-1.36) 3.897 (1.61) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.000 m/s 0.000 m/s 23.732 (0.26) -3.365 (-1.87) 3.350 (1.88) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.000 m/s^2 0.000 m/s^2 23.732 (0.26) -3.305 (-1.90) 3.264 (1.92) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.055 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.276 m^2 0.525 m 1.050 m 23.732 (0.26) 39.943 (0.16) 29.427 (0.21) s (rad/s)
Bridge deck: Rel. vert. motion 0.316 m^2 0.562 m 1.124 m 23.732 (0.26) 55.977 (0.11) 22.639 (0.28) s (rad/s)
Bridge deck: Abs. vert. velocity 0.013 m^2/s^2 0.112 m/s 0.224 m/s 23.732 (0.26) 58.491 (0.11) 13.469 (0.47) s (rad/s)
Bridge deck: Rel. vert. velocity 0.024 m^2/s^2 0.156 m/s 0.312 m/s 23.732 (0.26) -2.899 (-2.17) 1.704 (3.69) s (rad/s)
Bridge deck: Abs. vert. accel 0.003 m^2/s^4 0.052 m/s^2 0.105 m/s^2 23.732 (0.26) -4.372 (-1.44) 3.481 (1.81) s (rad/s)
Bridge deck: Rel. vert. accel 0.331 m^2/s^4 0.575 m/s^2 1.150 m/s^2 23.732 (0.26) -0.902 (-6.97) 0.865 (7.27) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.015 m^2 0.124 m 0.247 m 23.732 (0.26) 63.970 (0.10) 30.099 (0.21) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.001 m^2/s^2 0.026 m/s 0.052 m/s 23.732 (0.26) -32.717 (-0.19) 7.962 (0.79) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.020 m/s^2 0.041 m/s^2 23.732 (0.26) -3.266 (-1.92) 2.990 (2.10) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.000 m 0.000 m 23.732 (0.26) -4.623 (-1.36) 3.897 (1.61) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.000 m/s 0.000 m/s 23.732 (0.26) -3.365 (-1.87) 3.350 (1.88) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.000 m/s^2 0.000 m/s^2 23.732 (0.26) -3.305 (-1.90) 3.264 (1.92) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.055 SM 0.000 % 0.000 % -- -- --

Trial Speed, 18 kn; Head sea, 0 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 2.000 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 0.000 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.251 m^2 0.501 m 1.001 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.251 m^2 0.501 m 1.001 m 23.732 (0.26) 42.147 (0.15) 14.663 (0.43) s (rad/s)
Added resistance 24.830 kN -- -- 23.732 (0.26) 67.117 (0.09) 23.452 (0.27) s (rad/s)
Heave motion 0.299 m^2 0.547 m 1.094 m 23.732 (0.26) 40.608 (0.15) 24.650 (0.25) s (rad/s)
Roll motion 0.00000 rad^2 0.00000 rad 0.00000 rad 23.732 (0.26) -4.626 (-1.36) 3.897 (1.61) s (rad/s)
Pitch motion 0.00163 rad^2 0.04033 rad 0.08066 rad 23.732 (0.26) 64.183 (0.10) 30.081 (0.21) s (rad/s)
Heave velocity 0.019 m^2/s^2 0.139 m/s 0.279 m/s 23.732 (0.26) -13.368 (-0.47) 5.556 (1.13) s (rad/s)
Roll velocity 0.00000 (rad/s)^2 0.00000 rad/s 0.00000 rad/s 23.732 (0.26) -3.362 (-1.87) 3.347 (1.88) s (rad/s)
Pitch velocity 0.00007 (rad/s)^2 0.00842 rad/s 0.01685 rad/s 23.732 (0.26) -32.484 (-0.19) 7.950 (0.79) s (rad/s)
Heave acceleration 0.025 m^2/s^4 0.158 m/s^2 0.315 m/s^2 23.732 (0.26) -3.128 (-2.01) 2.959 (2.12) s (rad/s)
Roll acceleration 0.00000 (rad/s/s)^2 0.00000 rad/s/s 0.00000 rad/s/s 23.732 (0.26) -3.303 (-1.90) 3.262 (1.93) s (rad/s)
Pitch acceleration 0.00004 (rad/s/s)^2 0.00666 rad/s/s 0.01331 rad/s/s 23.732 (0.26) -3.264 (-1.93) 2.989 (2.10) s (rad/s)
passenger deck aft: Abs. vert. motion 0.279 m^2 0.528 m 1.056 m 23.732 (0.26) 59.951 (0.10) 22.844 (0.28) s (rad/s)
passenger deck aft: Rel. vert. motion 0.292 m^2 0.540 m 1.081 m 23.732 (0.26) -165.507 (-0.04) 15.404 (0.41) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.021 m^2/s^2 0.145 m/s 0.290 m/s 23.732 (0.26) -7.424 (-0.85) 4.555 (1.38) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.049 m^2/s^2 0.220 m/s 0.441 m/s 23.732 (0.26) -1.791 (-3.51) 1.407 (4.47) s (rad/s)
passenger deck aft: Abs. vert. accel 0.040 m^2/s^4 0.200 m/s^2 0.400 m/s^2 23.732 (0.26) -3.061 (-2.05) 2.923 (2.15) s (rad/s)
passenger deck aft: Rel. vert. accel 0.968 m^2/s^4 0.984 m/s^2 1.968 m/s^2 23.732 (0.26) -0.919 (-6.84) 0.875 (7.18) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.013 m^2 0.113 m 0.226 m 23.732 (0.26) 63.858 (0.10) 30.088 (0.21) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.001 m^2/s^2 0.024 m/s 0.047 m/s 23.732 (0.26) -32.762 (-0.19) 7.962 (0.79) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.019 m/s^2 0.037 m/s^2 23.732 (0.26) -3.266 (-1.92) 2.990 (2.10) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.000 m 0.000 m 23.732 (0.26) -4.630 (-1.36) 3.900 (1.61) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.000 m/s 0.000 m/s 23.732 (0.26) -3.365 (-1.87) 3.350 (1.88) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.000 m/s^2 0.000 m/s^2 23.732 (0.26) -3.305 (-1.90) 3.264 (1.92) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.603 SM 0.562 % 0.093 % -- -- --
passenger deck forward: Abs. vert. motion 0.763 m^2 0.874 m 1.747 m 23.732 (0.26) 39.842 (0.16) 29.396 (0.21) s (rad/s)
passenger deck forward: Rel. vert. motion 0.875 m^2 0.935 m 1.871 m 23.732 (0.26) 55.846 (0.11) 22.645 (0.28) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.035 m^2/s^2 0.187 m/s 0.374 m/s 23.732 (0.26) 58.260 (0.11) 13.477 (0.47) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.067 m^2/s^2 0.260 m/s 0.519 m/s 23.732 (0.26) -2.911 (-2.16) 1.709 (3.68) s (rad/s)
passenger deck forward: Abs. vert. accel 0.008 m^2/s^4 0.087 m/s^2 0.174 m/s^2 23.732 (0.26) -4.376 (-1.44) 3.482 (1.80) s (rad/s)
passenger deck forward: Rel. vert. accel 0.910 m^2/s^4 0.954 m/s^2 1.908 m/s^2 23.732 (0.26) -0.904 (-6.95) 0.867 (7.25) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.013 m^2 0.113 m 0.226 m 23.732 (0.26) 63.858 (0.10) 30.088 (0.21) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.001 m^2/s^2 0.024 m/s 0.047 m/s 23.732 (0.26) -32.762 (-0.19) 7.962 (0.79) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.019 m/s^2 0.037 m/s^2 23.732 (0.26) -3.266 (-1.92) 2.990 (2.10) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.000 m 0.000 m 23.732 (0.26) -4.630 (-1.36) 3.900 (1.61) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.000 m/s 0.000 m/s 23.732 (0.26) -3.365 (-1.87) 3.350 (1.88) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.000 m/s^2 0.000 m/s^2 23.732 (0.26) -3.305 (-1.90) 3.264 (1.92) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.115 SM 0.004 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.763 m^2 0.874 m 1.747 m 23.732 (0.26) 39.842 (0.16) 29.396 (0.21) s (rad/s)
Bridge deck: Rel. vert. motion 0.875 m^2 0.935 m 1.871 m 23.732 (0.26) 55.846 (0.11) 22.645 (0.28) s (rad/s)
Bridge deck: Abs. vert. velocity 0.035 m^2/s^2 0.187 m/s 0.374 m/s 23.732 (0.26) 58.260 (0.11) 13.477 (0.47) s (rad/s)
Bridge deck: Rel. vert. velocity 0.067 m^2/s^2 0.260 m/s 0.519 m/s 23.732 (0.26) -2.911 (-2.16) 1.709 (3.68) s (rad/s)
Bridge deck: Abs. vert. accel 0.008 m^2/s^4 0.087 m/s^2 0.174 m/s^2 23.732 (0.26) -4.376 (-1.44) 3.482 (1.80) s (rad/s)
Bridge deck: Rel. vert. accel 0.910 m^2/s^4 0.954 m/s^2 1.908 m/s^2 23.732 (0.26) -0.904 (-6.95) 0.867 (7.25) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.042 m^2 0.206 m 0.411 m 23.732 (0.26) 63.858 (0.10) 30.088 (0.21) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.002 m^2/s^2 0.043 m/s 0.086 m/s 23.732 (0.26) -32.762 (-0.19) 7.962 (0.79) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.001 m^2/s^4 0.034 m/s^2 0.068 m/s^2 23.732 (0.26) -3.266 (-1.92) 2.990 (2.10) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.000 m 0.000 m 23.732 (0.26) -4.630 (-1.36) 3.900 (1.61) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.000 m/s 0.000 m/s 23.732 (0.26) -3.365 (-1.87) 3.350 (1.88) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.000 m/s^2 0.000 m/s^2 23.732 (0.26) -3.305 (-1.90) 3.264 (1.92) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.115 SM 0.004 % 0.000 % -- -- --

Trial Speed, 18 kn; 0.354 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.956 s -- -- -- -- --
Characteristic wave height 0.300 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 0.354 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.006 m^2 0.075 m 0.150 m 9.960 (0.63) 8.340 (0.75) 7.849 (0.80) s (rad/s)
Encountered wave spectrum 0.006 m^2 0.075 m 0.150 m 22.260 (0.28) 33.827 (0.19) 15.365 (0.41) s (rad/s)
Added resistance 0.403 kN -- -- 22.260 (0.28) 38.860 (0.16) 20.020 (0.31) s (rad/s)
Heave motion 0.005 m^2 0.071 m 0.143 m 22.260 (0.28) 26.855 (0.23) 21.137 (0.30) s (rad/s)
Roll motion 0.00000 rad^2 0.00156 rad 0.00312 rad 22.260 (0.28) -10.771 (-0.58) 5.560 (1.13) s (rad/s)
Pitch motion 0.00003 rad^2 0.00563 rad 0.01127 rad 22.260 (0.28) 50.147 (0.13) 29.744 (0.21) s (rad/s)
Heave velocity 0.000 m^2/s^2 0.021 m/s 0.042 m/s 22.260 (0.28) -24.929 (-0.25) 6.444 (0.98) s (rad/s)
Roll velocity 0.00000 (rad/s)^2 0.00177 rad/s 0.00353 rad/s 22.260 (0.28) -3.545 (-1.77) 3.454 (1.82) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00119 rad/s 0.00238 rad/s 22.260 (0.28) -79.798 (-0.08) 8.591 (0.73) s (rad/s)
Heave acceleration 0.000 m^2/s^4 0.021 m/s^2 0.041 m/s^2 22.260 (0.28) -3.230 (-1.95) 3.010 (2.09) s (rad/s)
Roll acceleration 0.00001 (rad/s/s)^2 0.00321 rad/s/s 0.00642 rad/s/s 22.260 (0.28) -3.292 (-1.91) 3.204 (1.96) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00087 rad/s/s 0.00174 rad/s/s 22.260 (0.28) -3.370 (-1.86) 3.040 (2.07) s (rad/s)
passenger deck aft: Abs. vert. motion 0.004 m^2 0.067 m 0.133 m 22.260 (0.28) 33.439 (0.19) 19.772 (0.32) s (rad/s)
passenger deck aft: Rel. vert. motion 0.004 m^2 0.061 m 0.121 m 22.260 (0.28) -495.786 (-0.01) 12.936 (0.49) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.000 m^2/s^2 0.021 m/s 0.042 m/s 22.260 (0.28) -10.560 (-0.59) 5.096 (1.23) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.001 m^2/s^2 0.030 m/s 0.059 m/s 22.260 (0.28) -1.922 (-3.27) 1.509 (4.16) s (rad/s)
passenger deck aft: Abs. vert. accel 0.001 m^2/s^4 0.026 m/s^2 0.052 m/s^2 22.260 (0.28) -3.109 (-2.02) 2.954 (2.13) s (rad/s)
passenger deck aft: Rel. vert. accel 0.015 m^2/s^4 0.123 m/s^2 0.246 m/s^2 22.260 (0.28) -0.998 (-6.30) 0.951 (6.61) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.016 m 0.032 m 22.260 (0.28) 49.947 (0.13) 29.738 (0.21) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.007 m/s 22.260 (0.28) -81.339 (-0.08) 8.607 (0.73) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.002 m/s^2 0.005 m/s^2 22.260 (0.28) -3.374 (-1.86) 3.043 (2.07) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.004 m 0.009 m 22.260 (0.28) -10.772 (-0.58) 5.562 (1.13) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.005 m/s 0.010 m/s 22.260 (0.28) -3.548 (-1.77) 3.457 (1.82) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.009 m/s^2 0.018 m/s^2 22.260 (0.28) -3.294 (-1.91) 3.207 (1.96) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.034 SM 0.000 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.015 m^2 0.121 m 0.242 m 22.260 (0.28) 31.577 (0.20) 26.465 (0.24) s (rad/s)
passenger deck forward: Rel. vert. motion 0.017 m^2 0.131 m 0.262 m 22.260 (0.28) 43.905 (0.14) 22.478 (0.28) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.001 m^2/s^2 0.029 m/s 0.058 m/s 22.260 (0.28) 35.350 (0.18) 14.814 (0.42) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.001 m^2/s^2 0.037 m/s 0.073 m/s 22.260 (0.28) -3.561 (-1.76) 1.932 (3.25) s (rad/s)
passenger deck forward: Abs. vert. accel 0.000 m^2/s^4 0.012 m/s^2 0.024 m/s^2 22.260 (0.28) -5.343 (-1.18) 3.768 (1.67) s (rad/s)
passenger deck forward: Rel. vert. accel 0.014 m^2/s^4 0.119 m/s^2 0.238 m/s^2 22.260 (0.28) -0.980 (-6.41) 0.940 (6.69) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.016 m 0.032 m 22.260 (0.28) 49.947 (0.13) 29.738 (0.21) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.007 m/s 22.260 (0.28) -81.339 (-0.08) 8.607 (0.73) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.002 m/s^2 0.005 m/s^2 22.260 (0.28) -3.374 (-1.86) 3.043 (2.07) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.004 m 0.009 m 22.260 (0.28) -10.772 (-0.58) 5.562 (1.13) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.005 m/s 0.010 m/s 22.260 (0.28) -3.548 (-1.77) 3.457 (1.82) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.009 m/s^2 0.018 m/s^2 22.260 (0.28) -3.294 (-1.91) 3.207 (1.96) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.006 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.015 m^2 0.121 m 0.242 m 22.260 (0.28) 31.577 (0.20) 26.465 (0.24) s (rad/s)
Bridge deck: Rel. vert. motion 0.017 m^2 0.131 m 0.262 m 22.260 (0.28) 43.905 (0.14) 22.478 (0.28) s (rad/s)
Bridge deck: Abs. vert. velocity 0.001 m^2/s^2 0.029 m/s 0.058 m/s 22.260 (0.28) 35.350 (0.18) 14.814 (0.42) s (rad/s)
Bridge deck: Rel. vert. velocity 0.001 m^2/s^2 0.037 m/s 0.073 m/s 22.260 (0.28) -3.561 (-1.76) 1.932 (3.25) s (rad/s)
Bridge deck: Abs. vert. accel 0.000 m^2/s^4 0.012 m/s^2 0.024 m/s^2 22.260 (0.28) -5.343 (-1.18) 3.768 (1.67) s (rad/s)
Bridge deck: Rel. vert. accel 0.014 m^2/s^4 0.119 m/s^2 0.238 m/s^2 22.260 (0.28) -0.980 (-6.41) 0.940 (6.69) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.001 m^2 0.029 m 0.057 m 22.260 (0.28) 49.947 (0.13) 29.738 (0.21) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.006 m/s 0.012 m/s 22.260 (0.28) -81.339 (-0.08) 8.607 (0.73) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.004 m/s^2 0.009 m/s^2 22.260 (0.28) -3.374 (-1.86) 3.043 (2.07) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.008 m 0.016 m 22.260 (0.28) -10.772 (-0.58) 5.562 (1.13) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.009 m/s 0.018 m/s 22.260 (0.28) -3.548 (-1.77) 3.457 (1.82) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.016 m/s^2 0.033 m/s^2 22.260 (0.28) -3.294 (-1.91) 3.207 (1.96) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.006 SM 0.000 % 0.000 % -- -- --

Trial Speed, 18 kn; 0.354 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 0.354 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 22.260 (0.28) 33.695 (0.19) 15.415 (0.41) s (rad/s)
Added resistance 1.608 kN -- -- 22.260 (0.28) 38.738 (0.16) 20.034 (0.31) s (rad/s)
Heave motion 0.020 m^2 0.143 m 0.286 m 22.260 (0.28) 26.810 (0.23) 21.144 (0.30) s (rad/s)
Roll motion 0.00001 rad^2 0.00311 rad 0.00623 rad 22.260 (0.28) -10.855 (-0.58) 5.575 (1.13) s (rad/s)
Pitch motion 0.00013 rad^2 0.01124 rad 0.02247 rad 22.260 (0.28) 50.072 (0.13) 29.734 (0.21) s (rad/s)
Heave velocity 0.002 m^2/s^2 0.042 m/s 0.085 m/s 22.260 (0.28) -25.303 (-0.25) 6.465 (0.97) s (rad/s)
Roll velocity 0.00001 (rad/s)^2 0.00351 rad/s 0.00702 rad/s 22.260 (0.28) -3.545 (-1.77) 3.454 (1.82) s (rad/s)
Pitch velocity 0.00001 (rad/s)^2 0.00237 rad/s 0.00475 rad/s 22.260 (0.28) -80.711 (-0.08) 8.601 (0.73) s (rad/s)
Heave acceleration 0.002 m^2/s^4 0.041 m/s^2 0.082 m/s^2 22.260 (0.28) -3.233 (-1.94) 3.012 (2.09) s (rad/s)
Roll acceleration 0.00004 (rad/s/s)^2 0.00638 rad/s/s 0.01276 rad/s/s 22.260 (0.28) -3.290 (-1.91) 3.203 (1.96) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00173 rad/s/s 0.00347 rad/s/s 22.260 (0.28) -3.372 (-1.86) 3.042 (2.07) s (rad/s)
passenger deck aft: Abs. vert. motion 0.018 m^2 0.133 m 0.267 m 22.260 (0.28) 33.316 (0.19) 19.788 (0.32) s (rad/s)
passenger deck aft: Rel. vert. motion 0.015 m^2 0.121 m 0.242 m 22.260 (0.28) -512.471 (-0.01) 12.959 (0.48) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.002 m^2/s^2 0.042 m/s 0.085 m/s 22.260 (0.28) -10.650 (-0.59) 5.110 (1.23) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.003 m^2/s^2 0.059 m/s 0.117 m/s 22.260 (0.28) -1.932 (-3.25) 1.516 (4.14) s (rad/s)
passenger deck aft: Abs. vert. accel 0.003 m^2/s^4 0.052 m/s^2 0.104 m/s^2 22.260 (0.28) -3.110 (-2.02) 2.955 (2.13) s (rad/s)
passenger deck aft: Rel. vert. accel 0.059 m^2/s^4 0.243 m/s^2 0.487 m/s^2 22.260 (0.28) -1.003 (-6.27) 0.956 (6.57) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.001 m^2 0.031 m 0.063 m 22.260 (0.28) 49.873 (0.13) 29.728 (0.21) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.007 m/s 0.013 m/s 22.260 (0.28) -82.279 (-0.08) 8.616 (0.73) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.005 m/s^2 0.010 m/s^2 22.260 (0.28) -3.376 (-1.86) 3.044 (2.06) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.009 m 0.017 m 22.260 (0.28) -10.858 (-0.58) 5.577 (1.13) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.010 m/s 0.020 m/s 22.260 (0.28) -3.548 (-1.77) 3.457 (1.82) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.018 m/s^2 0.036 m/s^2 22.260 (0.28) -3.293 (-1.91) 3.205 (1.96) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.091 SM 0.004 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.059 m^2 0.242 m 0.484 m 22.260 (0.28) 31.522 (0.20) 26.443 (0.24) s (rad/s)
passenger deck forward: Rel. vert. motion 0.068 m^2 0.261 m 0.523 m 22.260 (0.28) 43.830 (0.14) 22.503 (0.28) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.003 m^2/s^2 0.057 m/s 0.115 m/s 22.260 (0.28) 35.221 (0.18) 14.840 (0.42) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.005 m^2/s^2 0.073 m/s 0.146 m/s 22.260 (0.28) -3.595 (-1.75) 1.944 (3.23) s (rad/s)
passenger deck forward: Abs. vert. accel 0.001 m^2/s^4 0.024 m/s^2 0.049 m/s^2 22.260 (0.28) -5.362 (-1.17) 3.774 (1.66) s (rad/s)
passenger deck forward: Rel. vert. accel 0.056 m^2/s^4 0.236 m/s^2 0.472 m/s^2 22.260 (0.28) -0.985 (-6.38) 0.944 (6.65) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.001 m^2 0.031 m 0.063 m 22.260 (0.28) 49.873 (0.13) 29.728 (0.21) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.007 m/s 0.013 m/s 22.260 (0.28) -82.279 (-0.08) 8.616 (0.73) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.005 m/s^2 0.010 m/s^2 22.260 (0.28) -3.376 (-1.86) 3.044 (2.06) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.009 m 0.017 m 22.260 (0.28) -10.858 (-0.58) 5.577 (1.13) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.010 m/s 0.020 m/s 22.260 (0.28) -3.548 (-1.77) 3.457 (1.82) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.018 m/s^2 0.036 m/s^2 22.260 (0.28) -3.293 (-1.91) 3.205 (1.96) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.017 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.059 m^2 0.242 m 0.484 m 22.260 (0.28) 31.522 (0.20) 26.443 (0.24) s (rad/s)
Bridge deck: Rel. vert. motion 0.068 m^2 0.261 m 0.523 m 22.260 (0.28) 43.830 (0.14) 22.503 (0.28) s (rad/s)
Bridge deck: Abs. vert. velocity 0.003 m^2/s^2 0.057 m/s 0.115 m/s 22.260 (0.28) 35.221 (0.18) 14.840 (0.42) s (rad/s)
Bridge deck: Rel. vert. velocity 0.005 m^2/s^2 0.073 m/s 0.146 m/s 22.260 (0.28) -3.595 (-1.75) 1.944 (3.23) s (rad/s)
Bridge deck: Abs. vert. accel 0.001 m^2/s^4 0.024 m/s^2 0.049 m/s^2 22.260 (0.28) -5.362 (-1.17) 3.774 (1.66) s (rad/s)
Bridge deck: Rel. vert. accel 0.056 m^2/s^4 0.236 m/s^2 0.472 m/s^2 22.260 (0.28) -0.985 (-6.38) 0.944 (6.65) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.003 m^2 0.057 m 0.115 m 22.260 (0.28) 49.873 (0.13) 29.728 (0.21) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.012 m/s 0.024 m/s 22.260 (0.28) -82.279 (-0.08) 8.616 (0.73) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.009 m/s^2 0.018 m/s^2 22.260 (0.28) -3.376 (-1.86) 3.044 (2.06) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.016 m 0.032 m 22.260 (0.28) -10.858 (-0.58) 5.577 (1.13) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.018 m/s 0.036 m/s 22.260 (0.28) -3.548 (-1.77) 3.457 (1.82) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.001 m^2/s^4 0.032 m/s^2 0.065 m/s^2 22.260 (0.28) -3.293 (-1.91) 3.205 (1.96) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.017 SM 0.000 % 0.000 % -- -- --

Trial Speed, 18 kn; 0.354 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.965 s -- -- -- -- --
Characteristic wave height 1.200 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 0.354 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.090 m^2 0.300 m 0.601 m 9.969 (0.63) 8.348 (0.75) 7.856 (0.80) s (rad/s)
Encountered wave spectrum 0.090 m^2 0.300 m 0.601 m 22.260 (0.28) 33.765 (0.19) 15.389 (0.41) s (rad/s)
Added resistance 6.444 kN -- -- 22.260 (0.28) 38.803 (0.16) 20.027 (0.31) s (rad/s)
Heave motion 0.082 m^2 0.286 m 0.571 m 22.260 (0.28) 26.835 (0.23) 21.138 (0.30) s (rad/s)
Roll motion 0.00004 rad^2 0.00624 rad 0.01247 rad 22.260 (0.28) -10.824 (-0.58) 5.569 (1.13) s (rad/s)
Pitch motion 0.00051 rad^2 0.02250 rad 0.04501 rad 22.260 (0.28) 50.110 (0.13) 29.738 (0.21) s (rad/s)
Heave velocity 0.007 m^2/s^2 0.085 m/s 0.170 m/s 22.260 (0.28) -25.078 (-0.25) 6.453 (0.97) s (rad/s)
Roll velocity 0.00005 (rad/s)^2 0.00703 rad/s 0.01407 rad/s 22.260 (0.28) -3.544 (-1.77) 3.453 (1.82) s (rad/s)
Pitch velocity 0.00002 (rad/s)^2 0.00475 rad/s 0.00951 rad/s 22.260 (0.28) -80.102 (-0.08) 8.594 (0.73) s (rad/s)
Heave acceleration 0.007 m^2/s^4 0.083 m/s^2 0.165 m/s^2 22.260 (0.28) -3.232 (-1.94) 3.011 (2.09) s (rad/s)
Roll acceleration 0.00016 (rad/s/s)^2 0.01280 rad/s/s 0.02560 rad/s/s 22.260 (0.28) -3.290 (-1.91) 3.203 (1.96) s (rad/s)
Pitch acceleration 0.00001 (rad/s/s)^2 0.00348 rad/s/s 0.00695 rad/s/s 22.260 (0.28) -3.371 (-1.86) 3.041 (2.07) s (rad/s)
passenger deck aft: Abs. vert. motion 0.071 m^2 0.267 m 0.533 m 22.260 (0.28) 33.384 (0.19) 19.777 (0.32) s (rad/s)
passenger deck aft: Rel. vert. motion 0.059 m^2 0.243 m 0.485 m 22.260 (0.28) -501.929 (-0.01) 12.945 (0.49) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.007 m^2/s^2 0.085 m/s 0.169 m/s 22.260 (0.28) -10.597 (-0.59) 5.102 (1.23) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.014 m^2/s^2 0.118 m/s 0.236 m/s 22.260 (0.28) -1.927 (-3.26) 1.513 (4.15) s (rad/s)
passenger deck aft: Abs. vert. accel 0.011 m^2/s^4 0.104 m/s^2 0.208 m/s^2 22.260 (0.28) -3.110 (-2.02) 2.954 (2.13) s (rad/s)
passenger deck aft: Rel. vert. accel 0.239 m^2/s^4 0.489 m/s^2 0.978 m/s^2 22.260 (0.28) -1.000 (-6.28) 0.954 (6.59) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.004 m^2 0.063 m 0.126 m 22.260 (0.28) 49.911 (0.13) 29.731 (0.21) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.013 m/s 0.027 m/s 22.260 (0.28) -81.641 (-0.08) 8.610 (0.73) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.010 m/s^2 0.019 m/s^2 22.260 (0.28) -3.375 (-1.86) 3.044 (2.06) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.017 m 0.035 m 22.260 (0.28) -10.827 (-0.58) 5.572 (1.13) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.020 m/s 0.039 m/s 22.260 (0.28) -3.547 (-1.77) 3.456 (1.82) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.001 m^2/s^4 0.036 m/s^2 0.071 m/s^2 22.260 (0.28) -3.293 (-1.91) 3.205 (1.96) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.246 SM 0.074 % 0.005 % -- -- --
passenger deck forward: Abs. vert. motion 0.234 m^2 0.484 m 0.968 m 22.260 (0.28) 31.550 (0.20) 26.454 (0.24) s (rad/s)
passenger deck forward: Rel. vert. motion 0.274 m^2 0.524 m 1.047 m 22.260 (0.28) 43.868 (0.14) 22.490 (0.28) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.013 m^2/s^2 0.115 m/s 0.230 m/s 22.260 (0.28) 35.298 (0.18) 14.824 (0.42) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.021 m^2/s^2 0.146 m/s 0.293 m/s 22.260 (0.28) -3.578 (-1.76) 1.938 (3.24) s (rad/s)
passenger deck forward: Abs. vert. accel 0.002 m^2/s^4 0.049 m/s^2 0.097 m/s^2 22.260 (0.28) -5.351 (-1.17) 3.771 (1.67) s (rad/s)
passenger deck forward: Rel. vert. accel 0.225 m^2/s^4 0.474 m/s^2 0.948 m/s^2 22.260 (0.28) -0.982 (-6.40) 0.942 (6.67) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.004 m^2 0.063 m 0.126 m 22.260 (0.28) 49.911 (0.13) 29.731 (0.21) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.013 m/s 0.027 m/s 22.260 (0.28) -81.641 (-0.08) 8.610 (0.73) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.010 m/s^2 0.019 m/s^2 22.260 (0.28) -3.375 (-1.86) 3.044 (2.06) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.017 m 0.035 m 22.260 (0.28) -10.827 (-0.58) 5.572 (1.13) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.020 m/s 0.039 m/s 22.260 (0.28) -3.547 (-1.77) 3.456 (1.82) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.001 m^2/s^4 0.036 m/s^2 0.071 m/s^2 22.260 (0.28) -3.293 (-1.91) 3.205 (1.96) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.045 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.234 m^2 0.484 m 0.968 m 22.260 (0.28) 31.550 (0.20) 26.454 (0.24) s (rad/s)
Bridge deck: Rel. vert. motion 0.274 m^2 0.524 m 1.047 m 22.260 (0.28) 43.868 (0.14) 22.490 (0.28) s (rad/s)
Bridge deck: Abs. vert. velocity 0.013 m^2/s^2 0.115 m/s 0.230 m/s 22.260 (0.28) 35.298 (0.18) 14.824 (0.42) s (rad/s)
Bridge deck: Rel. vert. velocity 0.021 m^2/s^2 0.146 m/s 0.293 m/s 22.260 (0.28) -3.578 (-1.76) 1.938 (3.24) s (rad/s)
Bridge deck: Abs. vert. accel 0.002 m^2/s^4 0.049 m/s^2 0.097 m/s^2 22.260 (0.28) -5.351 (-1.17) 3.771 (1.67) s (rad/s)
Bridge deck: Rel. vert. accel 0.225 m^2/s^4 0.474 m/s^2 0.948 m/s^2 22.260 (0.28) -0.982 (-6.40) 0.942 (6.67) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.013 m^2 0.115 m 0.229 m 22.260 (0.28) 49.911 (0.13) 29.731 (0.21) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.001 m^2/s^2 0.024 m/s 0.048 m/s 22.260 (0.28) -81.641 (-0.08) 8.610 (0.73) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.018 m/s^2 0.035 m/s^2 22.260 (0.28) -3.375 (-1.86) 3.044 (2.06) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.001 m^2 0.032 m 0.064 m 22.260 (0.28) -10.827 (-0.58) 5.572 (1.13) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.001 m^2/s^2 0.036 m/s 0.072 m/s 22.260 (0.28) -3.547 (-1.77) 3.456 (1.82) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.004 m^2/s^4 0.065 m/s^2 0.130 m/s^2 22.260 (0.28) -3.293 (-1.91) 3.205 (1.96) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.045 SM 0.000 % 0.000 % -- -- --

Trial Speed, 18 kn; 0.354 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 2.000 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 0.354 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.251 m^2 0.501 m 1.001 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.251 m^2 0.501 m 1.001 m 22.260 (0.28) 33.695 (0.19) 15.415 (0.41) s (rad/s)
Added resistance 17.870 kN -- -- 22.260 (0.28) 38.738 (0.16) 20.034 (0.31) s (rad/s)
Heave motion 0.227 m^2 0.476 m 0.953 m 22.260 (0.28) 26.810 (0.23) 21.144 (0.30) s (rad/s)
Roll motion 0.00011 rad^2 0.01038 rad 0.02075 rad 22.260 (0.28) -10.855 (-0.58) 5.575 (1.13) s (rad/s)
Pitch motion 0.00140 rad^2 0.03745 rad 0.07491 rad 22.260 (0.28) 50.072 (0.13) 29.734 (0.21) s (rad/s)
Heave velocity 0.020 m^2/s^2 0.142 m/s 0.283 m/s 22.260 (0.28) -25.303 (-0.25) 6.465 (0.97) s (rad/s)
Roll velocity 0.00014 (rad/s)^2 0.01169 rad/s 0.02339 rad/s 22.260 (0.28) -3.545 (-1.77) 3.454 (1.82) s (rad/s)
Pitch velocity 0.00006 (rad/s)^2 0.00791 rad/s 0.01583 rad/s 22.260 (0.28) -80.711 (-0.08) 8.601 (0.73) s (rad/s)
Heave acceleration 0.019 m^2/s^4 0.137 m/s^2 0.275 m/s^2 22.260 (0.28) -3.233 (-1.94) 3.012 (2.09) s (rad/s)
Roll acceleration 0.00045 (rad/s/s)^2 0.02127 rad/s/s 0.04255 rad/s/s 22.260 (0.28) -3.290 (-1.91) 3.203 (1.96) s (rad/s)
Pitch acceleration 0.00003 (rad/s/s)^2 0.00578 rad/s/s 0.01156 rad/s/s 22.260 (0.28) -3.372 (-1.86) 3.042 (2.07) s (rad/s)
passenger deck aft: Abs. vert. motion 0.197 m^2 0.444 m 0.889 m 22.260 (0.28) 33.316 (0.19) 19.788 (0.32) s (rad/s)
passenger deck aft: Rel. vert. motion 0.163 m^2 0.404 m 0.808 m 22.260 (0.28) -512.471 (-0.01) 12.959 (0.48) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.020 m^2/s^2 0.141 m/s 0.282 m/s 22.260 (0.28) -10.650 (-0.59) 5.110 (1.23) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.038 m^2/s^2 0.196 m/s 0.392 m/s 22.260 (0.28) -1.932 (-3.25) 1.516 (4.14) s (rad/s)
passenger deck aft: Abs. vert. accel 0.030 m^2/s^4 0.173 m/s^2 0.347 m/s^2 22.260 (0.28) -3.110 (-2.02) 2.955 (2.13) s (rad/s)
passenger deck aft: Rel. vert. accel 0.658 m^2/s^4 0.811 m/s^2 1.622 m/s^2 22.260 (0.28) -1.003 (-6.27) 0.956 (6.57) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.011 m^2 0.105 m 0.210 m 22.260 (0.28) 49.873 (0.13) 29.728 (0.21) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.022 m/s 0.044 m/s 22.260 (0.28) -82.279 (-0.08) 8.616 (0.73) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.016 m/s^2 0.032 m/s^2 22.260 (0.28) -3.376 (-1.86) 3.044 (2.06) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.001 m^2 0.029 m 0.058 m 22.260 (0.28) -10.858 (-0.58) 5.577 (1.13) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.001 m^2/s^2 0.033 m/s 0.065 m/s 22.260 (0.28) -3.548 (-1.77) 3.457 (1.82) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.004 m^2/s^4 0.059 m/s^2 0.119 m/s^2 22.260 (0.28) -3.293 (-1.91) 3.205 (1.96) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.508 SM 0.433 % 0.067 % -- -- --
passenger deck forward: Abs. vert. motion 0.650 m^2 0.806 m 1.613 m 22.260 (0.28) 31.522 (0.20) 26.443 (0.24) s (rad/s)
passenger deck forward: Rel. vert. motion 0.759 m^2 0.871 m 1.743 m 22.260 (0.28) 43.830 (0.14) 22.503 (0.28) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.037 m^2/s^2 0.192 m/s 0.383 m/s 22.260 (0.28) 35.221 (0.18) 14.840 (0.42) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.059 m^2/s^2 0.243 m/s 0.487 m/s 22.260 (0.28) -3.595 (-1.75) 1.944 (3.23) s (rad/s)
passenger deck forward: Abs. vert. accel 0.007 m^2/s^4 0.081 m/s^2 0.162 m/s^2 22.260 (0.28) -5.362 (-1.17) 3.774 (1.66) s (rad/s)
passenger deck forward: Rel. vert. accel 0.618 m^2/s^4 0.786 m/s^2 1.572 m/s^2 22.260 (0.28) -0.985 (-6.38) 0.944 (6.65) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.011 m^2 0.105 m 0.210 m 22.260 (0.28) 49.873 (0.13) 29.728 (0.21) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.022 m/s 0.044 m/s 22.260 (0.28) -82.279 (-0.08) 8.616 (0.73) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.016 m/s^2 0.032 m/s^2 22.260 (0.28) -3.376 (-1.86) 3.044 (2.06) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.001 m^2 0.029 m 0.058 m 22.260 (0.28) -10.858 (-0.58) 5.577 (1.13) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.001 m^2/s^2 0.033 m/s 0.065 m/s 22.260 (0.28) -3.548 (-1.77) 3.457 (1.82) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.004 m^2/s^4 0.059 m/s^2 0.119 m/s^2 22.260 (0.28) -3.293 (-1.91) 3.205 (1.96) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.093 SM 0.001 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.650 m^2 0.806 m 1.613 m 22.260 (0.28) 31.522 (0.20) 26.443 (0.24) s (rad/s)
Bridge deck: Rel. vert. motion 0.759 m^2 0.871 m 1.743 m 22.260 (0.28) 43.830 (0.14) 22.503 (0.28) s (rad/s)
Bridge deck: Abs. vert. velocity 0.037 m^2/s^2 0.192 m/s 0.383 m/s 22.260 (0.28) 35.221 (0.18) 14.840 (0.42) s (rad/s)
Bridge deck: Rel. vert. velocity 0.059 m^2/s^2 0.243 m/s 0.487 m/s 22.260 (0.28) -3.595 (-1.75) 1.944 (3.23) s (rad/s)
Bridge deck: Abs. vert. accel 0.007 m^2/s^4 0.081 m/s^2 0.162 m/s^2 22.260 (0.28) -5.362 (-1.17) 3.774 (1.66) s (rad/s)
Bridge deck: Rel. vert. accel 0.618 m^2/s^4 0.786 m/s^2 1.572 m/s^2 22.260 (0.28) -0.985 (-6.38) 0.944 (6.65) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.036 m^2 0.191 m 0.382 m 22.260 (0.28) 49.873 (0.13) 29.728 (0.21) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.002 m^2/s^2 0.040 m/s 0.081 m/s 22.260 (0.28) -82.279 (-0.08) 8.616 (0.73) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.001 m^2/s^4 0.029 m/s^2 0.059 m/s^2 22.260 (0.28) -3.376 (-1.86) 3.044 (2.06) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.003 m^2 0.053 m 0.106 m 22.260 (0.28) -10.858 (-0.58) 5.577 (1.13) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.004 m^2/s^2 0.060 m/s 0.119 m/s 22.260 (0.28) -3.548 (-1.77) 3.457 (1.82) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.012 m^2/s^4 0.108 m/s^2 0.216 m/s^2 22.260 (0.28) -3.293 (-1.91) 3.205 (1.96) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.093 SM 0.001 % 0.000 % -- -- --

Trial Speed, 18 kn; 0.619 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.956 s -- -- -- -- --
Characteristic wave height 0.300 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 0.619 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.006 m^2 0.075 m 0.150 m 9.960 (0.63) 8.340 (0.75) 7.849 (0.80) s (rad/s)
Encountered wave spectrum 0.006 m^2 0.075 m 0.150 m 19.322 (0.33) 24.102 (0.26) 16.224 (0.39) s (rad/s)
Added resistance 0.355 kN -- -- 19.322 (0.33) 25.634 (0.25) 18.370 (0.34) s (rad/s)
Heave motion 0.005 m^2 0.069 m 0.137 m 19.322 (0.33) 20.723 (0.30) 18.982 (0.33) s (rad/s)
Roll motion 0.00001 rad^2 0.00268 rad 0.00536 rad 19.322 (0.33) -9.817 (-0.64) 5.209 (1.21) s (rad/s)
Pitch motion 0.00002 rad^2 0.00427 rad 0.00854 rad 19.322 (0.33) 31.644 (0.20) 24.988 (0.25) s (rad/s)
Heave velocity 0.001 m^2/s^2 0.023 m/s 0.045 m/s 19.322 (0.33) 65.935 (0.10) 9.274 (0.68) s (rad/s)
Roll velocity 0.00001 (rad/s)^2 0.00323 rad/s 0.00646 rad/s 19.322 (0.33) -3.584 (-1.75) 3.493 (1.80) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00107 rad/s 0.00215 rad/s 19.322 (0.33) 53.973 (0.12) 10.529 (0.60) s (rad/s)
Heave acceleration 0.000 m^2/s^4 0.015 m/s^2 0.031 m/s^2 19.322 (0.33) -3.940 (-1.59) 3.293 (1.91) s (rad/s)
Roll acceleration 0.00003 (rad/s/s)^2 0.00581 rad/s/s 0.01162 rad/s/s 19.322 (0.33) -3.409 (-1.84) 3.395 (1.85) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00064 rad/s/s 0.00128 rad/s/s 19.322 (0.33) -4.081 (-1.54) 3.324 (1.89) s (rad/s)
passenger deck aft: Abs. vert. motion 0.004 m^2 0.064 m 0.128 m 19.322 (0.33) 22.545 (0.28) 18.585 (0.34) s (rad/s)
passenger deck aft: Rel. vert. motion 0.003 m^2 0.051 m 0.102 m 19.322 (0.33) 67.215 (0.09) 13.761 (0.46) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.000 m^2/s^2 0.022 m/s 0.043 m/s 19.322 (0.33) -72.425 (-0.09) 7.243 (0.87) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.001 m^2/s^2 0.023 m/s 0.047 m/s 19.322 (0.33) -2.519 (-2.49) 1.869 (3.36) s (rad/s)
passenger deck aft: Abs. vert. accel 0.000 m^2/s^4 0.019 m/s^2 0.037 m/s^2 19.322 (0.33) -3.472 (-1.81) 3.121 (2.01) s (rad/s)
passenger deck aft: Rel. vert. accel 0.006 m^2/s^4 0.078 m/s^2 0.157 m/s^2 19.322 (0.33) -1.220 (-5.15) 1.165 (5.39) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.012 m 0.024 m 19.322 (0.33) 31.572 (0.20) 24.972 (0.25) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.006 m/s 19.322 (0.33) 53.555 (0.12) 10.549 (0.60) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.002 m/s^2 0.004 m/s^2 19.322 (0.33) -4.090 (-1.54) 3.328 (1.89) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.007 m 0.015 m 19.322 (0.33) -9.816 (-0.64) 5.211 (1.21) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.009 m/s 0.018 m/s 19.322 (0.33) -3.587 (-1.75) 3.496 (1.80) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.016 m/s^2 0.032 m/s^2 19.322 (0.33) -3.412 (-1.84) 3.398 (1.85) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.021 SM 0.000 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.011 m^2 0.104 m 0.207 m 19.322 (0.33) 22.902 (0.27) 21.479 (0.29) s (rad/s)
passenger deck forward: Rel. vert. motion 0.011 m^2 0.105 m 0.209 m 19.322 (0.33) 29.202 (0.22) 20.214 (0.31) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.001 m^2/s^2 0.030 m/s 0.061 m/s 19.322 (0.33) 22.692 (0.28) 16.584 (0.38) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.001 m^2/s^2 0.033 m/s 0.065 m/s 19.322 (0.33) -6.487 (-0.97) 2.679 (2.35) s (rad/s)
passenger deck forward: Abs. vert. accel 0.000 m^2/s^4 0.011 m/s^2 0.023 m/s^2 19.322 (0.33) -13.448 (-0.47) 5.112 (1.23) s (rad/s)
passenger deck forward: Rel. vert. accel 0.006 m^2/s^4 0.076 m/s^2 0.152 m/s^2 19.322 (0.33) -1.201 (-5.23) 1.150 (5.46) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.012 m 0.024 m 19.322 (0.33) 31.572 (0.20) 24.972 (0.25) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.006 m/s 19.322 (0.33) 53.555 (0.12) 10.549 (0.60) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.002 m/s^2 0.004 m/s^2 19.322 (0.33) -4.090 (-1.54) 3.328 (1.89) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.007 m 0.015 m 19.322 (0.33) -9.816 (-0.64) 5.211 (1.21) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.009 m/s 0.018 m/s 19.322 (0.33) -3.587 (-1.75) 3.496 (1.80) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.016 m/s^2 0.032 m/s^2 19.322 (0.33) -3.412 (-1.84) 3.398 (1.85) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.005 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.011 m^2 0.104 m 0.207 m 19.322 (0.33) 22.902 (0.27) 21.479 (0.29) s (rad/s)
Bridge deck: Rel. vert. motion 0.011 m^2 0.105 m 0.209 m 19.322 (0.33) 29.202 (0.22) 20.214 (0.31) s (rad/s)
Bridge deck: Abs. vert. velocity 0.001 m^2/s^2 0.030 m/s 0.061 m/s 19.322 (0.33) 22.692 (0.28) 16.584 (0.38) s (rad/s)
Bridge deck: Rel. vert. velocity 0.001 m^2/s^2 0.033 m/s 0.065 m/s 19.322 (0.33) -6.487 (-0.97) 2.679 (2.35) s (rad/s)
Bridge deck: Abs. vert. accel 0.000 m^2/s^4 0.011 m/s^2 0.023 m/s^2 19.322 (0.33) -13.448 (-0.47) 5.112 (1.23) s (rad/s)
Bridge deck: Rel. vert. accel 0.006 m^2/s^4 0.076 m/s^2 0.152 m/s^2 19.322 (0.33) -1.201 (-5.23) 1.150 (5.46) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.022 m 0.044 m 19.322 (0.33) 31.572 (0.20) 24.972 (0.25) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.011 m/s 19.322 (0.33) 53.555 (0.12) 10.549 (0.60) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.003 m/s^2 0.007 m/s^2 19.322 (0.33) -4.090 (-1.54) 3.328 (1.89) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.014 m 0.027 m 19.322 (0.33) -9.816 (-0.64) 5.211 (1.21) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.016 m/s 0.033 m/s 19.322 (0.33) -3.587 (-1.75) 3.496 (1.80) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.001 m^2/s^4 0.030 m/s^2 0.059 m/s^2 19.322 (0.33) -3.412 (-1.84) 3.398 (1.85) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.005 SM 0.000 % 0.000 % -- -- --

Trial Speed, 18 kn; 0.619 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 0.619 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 19.322 (0.33) 24.061 (0.26) 16.259 (0.39) s (rad/s)
Added resistance 1.418 kN -- -- 19.322 (0.33) 25.600 (0.25) 18.381 (0.34) s (rad/s)
Heave motion 0.019 m^2 0.138 m 0.275 m 19.322 (0.33) 20.717 (0.30) 18.984 (0.33) s (rad/s)
Roll motion 0.00003 rad^2 0.00535 rad 0.01070 rad 19.322 (0.33) -9.801 (-0.64) 5.205 (1.21) s (rad/s)
Pitch motion 0.00007 rad^2 0.00852 rad 0.01703 rad 19.322 (0.33) 31.620 (0.20) 24.974 (0.25) s (rad/s)
Heave velocity 0.002 m^2/s^2 0.046 m/s 0.091 m/s 19.322 (0.33) 65.528 (0.10) 9.283 (0.68) s (rad/s)
Roll velocity 0.00004 (rad/s)^2 0.00646 rad/s 0.01292 rad/s 19.322 (0.33) -3.583 (-1.75) 3.493 (1.80) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00214 rad/s 0.00429 rad/s 19.322 (0.33) 54.134 (0.12) 10.517 (0.60) s (rad/s)
Heave acceleration 0.001 m^2/s^4 0.031 m/s^2 0.062 m/s^2 19.322 (0.33) -3.943 (-1.59) 3.295 (1.91) s (rad/s)
Roll acceleration 0.00014 (rad/s/s)^2 0.01162 rad/s/s 0.02324 rad/s/s 19.322 (0.33) -3.409 (-1.84) 3.395 (1.85) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00128 rad/s/s 0.00256 rad/s/s 19.322 (0.33) -4.079 (-1.54) 3.325 (1.89) s (rad/s)
passenger deck aft: Abs. vert. motion 0.016 m^2 0.128 m 0.255 m 19.322 (0.33) 22.524 (0.28) 18.586 (0.34) s (rad/s)
passenger deck aft: Rel. vert. motion 0.010 m^2 0.102 m 0.203 m 19.322 (0.33) 66.983 (0.09) 13.783 (0.46) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.002 m^2/s^2 0.043 m/s 0.086 m/s 19.322 (0.33) -73.410 (-0.09) 7.251 (0.87) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.002 m^2/s^2 0.046 m/s 0.093 m/s 19.322 (0.33) -2.535 (-2.48) 1.879 (3.34) s (rad/s)
passenger deck aft: Abs. vert. accel 0.001 m^2/s^4 0.037 m/s^2 0.075 m/s^2 19.322 (0.33) -3.474 (-1.81) 3.123 (2.01) s (rad/s)
passenger deck aft: Rel. vert. accel 0.024 m^2/s^4 0.155 m/s^2 0.310 m/s^2 19.322 (0.33) -1.227 (-5.12) 1.172 (5.36) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.001 m^2 0.024 m 0.048 m 19.322 (0.33) 31.548 (0.20) 24.958 (0.25) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.006 m/s 0.012 m/s 19.322 (0.33) 53.713 (0.12) 10.537 (0.60) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.004 m/s^2 0.007 m/s^2 19.322 (0.33) -4.088 (-1.54) 3.329 (1.89) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.015 m 0.030 m 19.322 (0.33) -9.801 (-0.64) 5.207 (1.21) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.018 m/s 0.036 m/s 19.322 (0.33) -3.586 (-1.75) 3.496 (1.80) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.001 m^2/s^4 0.032 m/s^2 0.065 m/s^2 19.322 (0.33) -3.412 (-1.84) 3.398 (1.85) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.055 SM 0.001 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.043 m^2 0.207 m 0.414 m 19.322 (0.33) 22.884 (0.27) 21.469 (0.29) s (rad/s)
passenger deck forward: Rel. vert. motion 0.044 m^2 0.209 m 0.417 m 19.322 (0.33) 29.174 (0.22) 20.228 (0.31) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.004 m^2/s^2 0.061 m/s 0.121 m/s 19.322 (0.33) 22.685 (0.28) 16.583 (0.38) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.004 m^2/s^2 0.065 m/s 0.130 m/s 19.322 (0.33) -6.565 (-0.96) 2.698 (2.33) s (rad/s)
passenger deck forward: Abs. vert. accel 0.001 m^2/s^4 0.023 m/s^2 0.046 m/s^2 19.322 (0.33) -13.456 (-0.47) 5.114 (1.23) s (rad/s)
passenger deck forward: Rel. vert. accel 0.023 m^2/s^4 0.151 m/s^2 0.302 m/s^2 19.322 (0.33) -1.208 (-5.20) 1.156 (5.43) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.001 m^2 0.024 m 0.048 m 19.322 (0.33) 31.548 (0.20) 24.958 (0.25) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.006 m/s 0.012 m/s 19.322 (0.33) 53.713 (0.12) 10.537 (0.60) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.004 m/s^2 0.007 m/s^2 19.322 (0.33) -4.088 (-1.54) 3.329 (1.89) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.015 m 0.030 m 19.322 (0.33) -9.801 (-0.64) 5.207 (1.21) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.018 m/s 0.036 m/s 19.322 (0.33) -3.586 (-1.75) 3.496 (1.80) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.001 m^2/s^4 0.032 m/s^2 0.065 m/s^2 19.322 (0.33) -3.412 (-1.84) 3.398 (1.85) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.013 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.043 m^2 0.207 m 0.414 m 19.322 (0.33) 22.884 (0.27) 21.469 (0.29) s (rad/s)
Bridge deck: Rel. vert. motion 0.044 m^2 0.209 m 0.417 m 19.322 (0.33) 29.174 (0.22) 20.228 (0.31) s (rad/s)
Bridge deck: Abs. vert. velocity 0.004 m^2/s^2 0.061 m/s 0.121 m/s 19.322 (0.33) 22.685 (0.28) 16.583 (0.38) s (rad/s)
Bridge deck: Rel. vert. velocity 0.004 m^2/s^2 0.065 m/s 0.130 m/s 19.322 (0.33) -6.565 (-0.96) 2.698 (2.33) s (rad/s)
Bridge deck: Abs. vert. accel 0.001 m^2/s^4 0.023 m/s^2 0.046 m/s^2 19.322 (0.33) -13.456 (-0.47) 5.114 (1.23) s (rad/s)
Bridge deck: Rel. vert. accel 0.023 m^2/s^4 0.151 m/s^2 0.302 m/s^2 19.322 (0.33) -1.208 (-5.20) 1.156 (5.43) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.002 m^2 0.043 m 0.087 m 19.322 (0.33) 31.548 (0.20) 24.958 (0.25) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.011 m/s 0.022 m/s 19.322 (0.33) 53.713 (0.12) 10.537 (0.60) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.007 m/s^2 0.013 m/s^2 19.322 (0.33) -4.088 (-1.54) 3.329 (1.89) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.001 m^2 0.027 m 0.055 m 19.322 (0.33) -9.801 (-0.64) 5.207 (1.21) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.001 m^2/s^2 0.033 m/s 0.066 m/s 19.322 (0.33) -3.586 (-1.75) 3.496 (1.80) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.003 m^2/s^4 0.059 m/s^2 0.118 m/s^2 19.322 (0.33) -3.412 (-1.84) 3.398 (1.85) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.013 SM 0.000 % 0.000 % -- -- --

Trial Speed, 18 kn; 0.619 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.965 s -- -- -- -- --
Characteristic wave height 1.200 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 0.619 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.090 m^2 0.300 m 0.601 m 9.969 (0.63) 8.348 (0.75) 7.856 (0.80) s (rad/s)
Encountered wave spectrum 0.090 m^2 0.300 m 0.601 m 19.322 (0.33) 24.083 (0.26) 16.241 (0.39) s (rad/s)
Added resistance 5.679 kN -- -- 19.322 (0.33) 25.618 (0.25) 18.375 (0.34) s (rad/s)
Heave motion 0.076 m^2 0.275 m 0.550 m 19.322 (0.33) 20.720 (0.30) 18.984 (0.33) s (rad/s)
Roll motion 0.00011 rad^2 0.01070 rad 0.02141 rad 19.322 (0.33) -9.835 (-0.64) 5.212 (1.21) s (rad/s)
Pitch motion 0.00029 rad^2 0.01706 rad 0.03412 rad 19.322 (0.33) 31.642 (0.20) 24.987 (0.25) s (rad/s)
Heave velocity 0.008 m^2/s^2 0.091 m/s 0.182 m/s 19.322 (0.33) 65.537 (0.10) 9.283 (0.68) s (rad/s)
Roll velocity 0.00017 (rad/s)^2 0.01290 rad/s 0.02580 rad/s 19.322 (0.33) -3.584 (-1.75) 3.493 (1.80) s (rad/s)
Pitch velocity 0.00002 (rad/s)^2 0.00429 rad/s 0.00858 rad/s 19.322 (0.33) 53.951 (0.12) 10.528 (0.60) s (rad/s)
Heave acceleration 0.004 m^2/s^4 0.062 m/s^2 0.123 m/s^2 19.322 (0.33) -3.942 (-1.59) 3.294 (1.91) s (rad/s)
Roll acceleration 0.00054 (rad/s/s)^2 0.02321 rad/s/s 0.04641 rad/s/s 19.322 (0.33) -3.409 (-1.84) 3.395 (1.85) s (rad/s)
Pitch acceleration 0.00001 (rad/s/s)^2 0.00256 rad/s/s 0.00512 rad/s/s 19.322 (0.33) -4.081 (-1.54) 3.325 (1.89) s (rad/s)
passenger deck aft: Abs. vert. motion 0.065 m^2 0.255 m 0.511 m 19.322 (0.33) 22.534 (0.28) 18.588 (0.34) s (rad/s)
passenger deck aft: Rel. vert. motion 0.041 m^2 0.204 m 0.407 m 19.322 (0.33) 67.092 (0.09) 13.774 (0.46) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.007 m^2/s^2 0.086 m/s 0.173 m/s 19.322 (0.33) -73.301 (-0.09) 7.251 (0.87) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.009 m^2/s^2 0.093 m/s 0.186 m/s 19.322 (0.33) -2.527 (-2.49) 1.874 (3.35) s (rad/s)
passenger deck aft: Abs. vert. accel 0.006 m^2/s^4 0.075 m/s^2 0.150 m/s^2 19.322 (0.33) -3.473 (-1.81) 3.122 (2.01) s (rad/s)
passenger deck aft: Rel. vert. accel 0.097 m^2/s^4 0.311 m/s^2 0.623 m/s^2 19.322 (0.33) -1.223 (-5.14) 1.169 (5.38) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.002 m^2 0.048 m 0.095 m 19.322 (0.33) 31.570 (0.20) 24.971 (0.25) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.012 m/s 0.024 m/s 19.322 (0.33) 53.532 (0.12) 10.548 (0.60) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.007 m/s^2 0.014 m/s^2 19.322 (0.33) -4.090 (-1.54) 3.329 (1.89) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.001 m^2 0.030 m 0.060 m 19.322 (0.33) -9.835 (-0.64) 5.214 (1.21) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.001 m^2/s^2 0.036 m/s 0.072 m/s 19.322 (0.33) -3.587 (-1.75) 3.496 (1.80) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.004 m^2/s^4 0.065 m/s^2 0.130 m/s^2 19.322 (0.33) -3.412 (-1.84) 3.398 (1.85) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.149 SM 0.022 % 0.001 % -- -- --
passenger deck forward: Abs. vert. motion 0.172 m^2 0.414 m 0.828 m 19.322 (0.33) 22.896 (0.27) 21.476 (0.29) s (rad/s)
passenger deck forward: Rel. vert. motion 0.175 m^2 0.418 m 0.836 m 19.322 (0.33) 29.194 (0.22) 20.223 (0.31) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.015 m^2/s^2 0.121 m/s 0.242 m/s 19.322 (0.33) 22.685 (0.28) 16.588 (0.38) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.017 m^2/s^2 0.130 m/s 0.260 m/s 19.322 (0.33) -6.526 (-0.96) 2.688 (2.34) s (rad/s)
passenger deck forward: Abs. vert. accel 0.002 m^2/s^4 0.046 m/s^2 0.092 m/s^2 19.322 (0.33) -13.474 (-0.47) 5.115 (1.23) s (rad/s)
passenger deck forward: Rel. vert. accel 0.092 m^2/s^4 0.303 m/s^2 0.607 m/s^2 19.322 (0.33) -1.205 (-5.22) 1.153 (5.45) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.002 m^2 0.048 m 0.095 m 19.322 (0.33) 31.570 (0.20) 24.971 (0.25) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.012 m/s 0.024 m/s 19.322 (0.33) 53.532 (0.12) 10.548 (0.60) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.007 m/s^2 0.014 m/s^2 19.322 (0.33) -4.090 (-1.54) 3.329 (1.89) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.001 m^2 0.030 m 0.060 m 19.322 (0.33) -9.835 (-0.64) 5.214 (1.21) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.001 m^2/s^2 0.036 m/s 0.072 m/s 19.322 (0.33) -3.587 (-1.75) 3.496 (1.80) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.004 m^2/s^4 0.065 m/s^2 0.130 m/s^2 19.322 (0.33) -3.412 (-1.84) 3.398 (1.85) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.036 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.172 m^2 0.414 m 0.828 m 19.322 (0.33) 22.896 (0.27) 21.476 (0.29) s (rad/s)
Bridge deck: Rel. vert. motion 0.175 m^2 0.418 m 0.836 m 19.322 (0.33) 29.194 (0.22) 20.223 (0.31) s (rad/s)
Bridge deck: Abs. vert. velocity 0.015 m^2/s^2 0.121 m/s 0.242 m/s 19.322 (0.33) 22.685 (0.28) 16.588 (0.38) s (rad/s)
Bridge deck: Rel. vert. velocity 0.017 m^2/s^2 0.130 m/s 0.260 m/s 19.322 (0.33) -6.526 (-0.96) 2.688 (2.34) s (rad/s)
Bridge deck: Abs. vert. accel 0.002 m^2/s^4 0.046 m/s^2 0.092 m/s^2 19.322 (0.33) -13.474 (-0.47) 5.115 (1.23) s (rad/s)
Bridge deck: Rel. vert. accel 0.092 m^2/s^4 0.303 m/s^2 0.607 m/s^2 19.322 (0.33) -1.205 (-5.22) 1.153 (5.45) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.008 m^2 0.087 m 0.174 m 19.322 (0.33) 31.570 (0.20) 24.971 (0.25) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.022 m/s 0.044 m/s 19.322 (0.33) 53.532 (0.12) 10.548 (0.60) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.013 m/s^2 0.026 m/s^2 19.322 (0.33) -4.090 (-1.54) 3.329 (1.89) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.003 m^2 0.055 m 0.109 m 19.322 (0.33) -9.835 (-0.64) 5.214 (1.21) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.004 m^2/s^2 0.066 m/s 0.131 m/s 19.322 (0.33) -3.587 (-1.75) 3.496 (1.80) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.014 m^2/s^4 0.118 m/s^2 0.236 m/s^2 19.322 (0.33) -3.412 (-1.84) 3.398 (1.85) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.036 SM 0.000 % 0.000 % -- -- --

Trial Speed, 18 kn; 0.619 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 2.000 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 0.619 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.251 m^2 0.501 m 1.001 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.251 m^2 0.501 m 1.001 m 19.322 (0.33) 24.061 (0.26) 16.259 (0.39) s (rad/s)
Added resistance 15.753 kN -- -- 19.322 (0.33) 25.600 (0.25) 18.381 (0.34) s (rad/s)
Heave motion 0.210 m^2 0.458 m 0.917 m 19.322 (0.33) 20.717 (0.30) 18.984 (0.33) s (rad/s)
Roll motion 0.00032 rad^2 0.01784 rad 0.03567 rad 19.322 (0.33) -9.801 (-0.64) 5.205 (1.21) s (rad/s)
Pitch motion 0.00081 rad^2 0.02839 rad 0.05677 rad 19.322 (0.33) 31.620 (0.20) 24.974 (0.25) s (rad/s)
Heave velocity 0.023 m^2/s^2 0.152 m/s 0.303 m/s 19.322 (0.33) 65.528 (0.10) 9.283 (0.68) s (rad/s)
Roll velocity 0.00046 (rad/s)^2 0.02153 rad/s 0.04306 rad/s 19.322 (0.33) -3.583 (-1.75) 3.493 (1.80) s (rad/s)
Pitch velocity 0.00005 (rad/s)^2 0.00714 rad/s 0.01428 rad/s 19.322 (0.33) 54.134 (0.12) 10.517 (0.60) s (rad/s)
Heave acceleration 0.011 m^2/s^4 0.103 m/s^2 0.205 m/s^2 19.322 (0.33) -3.943 (-1.59) 3.295 (1.91) s (rad/s)
Roll acceleration 0.00150 (rad/s/s)^2 0.03874 rad/s/s 0.07747 rad/s/s 19.322 (0.33) -3.409 (-1.84) 3.395 (1.85) s (rad/s)
Pitch acceleration 0.00002 (rad/s/s)^2 0.00427 rad/s/s 0.00853 rad/s/s 19.322 (0.33) -4.079 (-1.54) 3.325 (1.89) s (rad/s)
passenger deck aft: Abs. vert. motion 0.181 m^2 0.426 m 0.851 m 19.322 (0.33) 22.524 (0.28) 18.586 (0.34) s (rad/s)
passenger deck aft: Rel. vert. motion 0.115 m^2 0.339 m 0.678 m 19.322 (0.33) 66.983 (0.09) 13.783 (0.46) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.021 m^2/s^2 0.144 m/s 0.288 m/s 19.322 (0.33) -73.410 (-0.09) 7.251 (0.87) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.024 m^2/s^2 0.154 m/s 0.309 m/s 19.322 (0.33) -2.535 (-2.48) 1.879 (3.34) s (rad/s)
passenger deck aft: Abs. vert. accel 0.016 m^2/s^4 0.125 m/s^2 0.249 m/s^2 19.322 (0.33) -3.474 (-1.81) 3.123 (2.01) s (rad/s)
passenger deck aft: Rel. vert. accel 0.267 m^2/s^4 0.516 m/s^2 1.033 m/s^2 19.322 (0.33) -1.227 (-5.12) 1.172 (5.36) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.006 m^2 0.079 m 0.159 m 19.322 (0.33) 31.548 (0.20) 24.958 (0.25) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.020 m/s 0.040 m/s 19.322 (0.33) 53.713 (0.12) 10.537 (0.60) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.012 m/s^2 0.024 m/s^2 19.322 (0.33) -4.088 (-1.54) 3.329 (1.89) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.002 m^2 0.050 m 0.100 m 19.322 (0.33) -9.801 (-0.64) 5.207 (1.21) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.004 m^2/s^2 0.060 m/s 0.120 m/s 19.322 (0.33) -3.586 (-1.75) 3.496 (1.80) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.012 m^2/s^4 0.108 m/s^2 0.216 m/s^2 19.322 (0.33) -3.412 (-1.84) 3.398 (1.85) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.309 SM 0.154 % 0.016 % -- -- --
passenger deck forward: Abs. vert. motion 0.476 m^2 0.690 m 1.380 m 19.322 (0.33) 22.884 (0.27) 21.469 (0.29) s (rad/s)
passenger deck forward: Rel. vert. motion 0.484 m^2 0.695 m 1.391 m 19.322 (0.33) 29.174 (0.22) 20.228 (0.31) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.041 m^2/s^2 0.202 m/s 0.404 m/s 19.322 (0.33) 22.685 (0.28) 16.583 (0.38) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.047 m^2/s^2 0.216 m/s 0.432 m/s 19.322 (0.33) -6.565 (-0.96) 2.698 (2.33) s (rad/s)
passenger deck forward: Abs. vert. accel 0.006 m^2/s^4 0.076 m/s^2 0.153 m/s^2 19.322 (0.33) -13.456 (-0.47) 5.114 (1.23) s (rad/s)
passenger deck forward: Rel. vert. accel 0.253 m^2/s^4 0.503 m/s^2 1.006 m/s^2 19.322 (0.33) -1.208 (-5.20) 1.156 (5.43) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.006 m^2 0.079 m 0.159 m 19.322 (0.33) 31.548 (0.20) 24.958 (0.25) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.020 m/s 0.040 m/s 19.322 (0.33) 53.713 (0.12) 10.537 (0.60) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.012 m/s^2 0.024 m/s^2 19.322 (0.33) -4.088 (-1.54) 3.329 (1.89) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.002 m^2 0.050 m 0.100 m 19.322 (0.33) -9.801 (-0.64) 5.207 (1.21) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.004 m^2/s^2 0.060 m/s 0.120 m/s 19.322 (0.33) -3.586 (-1.75) 3.496 (1.80) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.012 m^2/s^4 0.108 m/s^2 0.216 m/s^2 19.322 (0.33) -3.412 (-1.84) 3.398 (1.85) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.075 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.476 m^2 0.690 m 1.380 m 19.322 (0.33) 22.884 (0.27) 21.469 (0.29) s (rad/s)
Bridge deck: Rel. vert. motion 0.484 m^2 0.695 m 1.391 m 19.322 (0.33) 29.174 (0.22) 20.228 (0.31) s (rad/s)
Bridge deck: Abs. vert. velocity 0.041 m^2/s^2 0.202 m/s 0.404 m/s 19.322 (0.33) 22.685 (0.28) 16.583 (0.38) s (rad/s)
Bridge deck: Rel. vert. velocity 0.047 m^2/s^2 0.216 m/s 0.432 m/s 19.322 (0.33) -6.565 (-0.96) 2.698 (2.33) s (rad/s)
Bridge deck: Abs. vert. accel 0.006 m^2/s^4 0.076 m/s^2 0.153 m/s^2 19.322 (0.33) -13.456 (-0.47) 5.114 (1.23) s (rad/s)
Bridge deck: Rel. vert. accel 0.253 m^2/s^4 0.503 m/s^2 1.006 m/s^2 19.322 (0.33) -1.208 (-5.20) 1.156 (5.43) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.021 m^2 0.145 m 0.289 m 19.322 (0.33) 31.548 (0.20) 24.958 (0.25) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.001 m^2/s^2 0.036 m/s 0.073 m/s 19.322 (0.33) 53.713 (0.12) 10.537 (0.60) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.022 m/s^2 0.043 m/s^2 19.322 (0.33) -4.088 (-1.54) 3.329 (1.89) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.008 m^2 0.091 m 0.182 m 19.322 (0.33) -9.801 (-0.64) 5.207 (1.21) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.012 m^2/s^2 0.110 m/s 0.219 m/s 19.322 (0.33) -3.586 (-1.75) 3.496 (1.80) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.039 m^2/s^4 0.197 m/s^2 0.394 m/s^2 19.322 (0.33) -3.412 (-1.84) 3.398 (1.85) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.075 SM 0.000 % 0.000 % -- -- --

Trial Speed, 18 kn; 0.885 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.956 s -- -- -- -- --
Characteristic wave height 0.300 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 0.885 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.006 m^2 0.075 m 0.150 m 9.960 (0.63) 8.340 (0.75) 7.849 (0.80) s (rad/s)
Encountered wave spectrum 0.006 m^2 0.075 m 0.150 m 15.030 (0.42) 16.974 (0.37) 15.311 (0.41) s (rad/s)
Added resistance 0.365 kN -- -- 15.030 (0.42) 19.807 (0.32) 16.595 (0.38) s (rad/s)
Heave motion 0.004 m^2 0.067 m 0.134 m 15.030 (0.42) 16.372 (0.38) 15.946 (0.39) s (rad/s)
Roll motion 0.00001 rad^2 0.00285 rad 0.00569 rad 15.030 (0.42) 24.718 (0.25) 13.720 (0.46) s (rad/s)
Pitch motion 0.00000 rad^2 0.00220 rad 0.00440 rad 15.030 (0.42) 17.858 (0.35) 16.492 (0.38) s (rad/s)
Heave velocity 0.001 m^2/s^2 0.026 m/s 0.053 m/s 15.030 (0.42) 17.942 (0.35) 13.231 (0.47) s (rad/s)
Roll velocity 0.00000 (rad/s)^2 0.00130 rad/s 0.00261 rad/s 15.030 (0.42) -13.198 (-0.48) 5.334 (1.18) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00084 rad/s 0.00168 rad/s 15.030 (0.42) 20.023 (0.31) 12.204 (0.51) s (rad/s)
Heave acceleration 0.000 m^2/s^4 0.013 m/s^2 0.025 m/s^2 15.030 (0.42) -16.107 (-0.39) 5.099 (1.23) s (rad/s)
Roll acceleration 0.00000 (rad/s/s)^2 0.00154 rad/s/s 0.00307 rad/s/s 15.030 (0.42) -3.682 (-1.71) 3.460 (1.82) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00043 rad/s/s 0.00086 rad/s/s 15.030 (0.42) -9.194 (-0.68) 4.403 (1.43) s (rad/s)
passenger deck aft: Abs. vert. motion 0.004 m^2 0.064 m 0.128 m 15.030 (0.42) 16.676 (0.38) 15.945 (0.39) s (rad/s)
passenger deck aft: Rel. vert. motion 0.002 m^2 0.040 m 0.080 m 15.030 (0.42) 21.969 (0.29) 13.944 (0.45) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.001 m^2/s^2 0.025 m/s 0.050 m/s 15.030 (0.42) 20.019 (0.31) 11.909 (0.53) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.000 m^2/s^2 0.018 m/s 0.036 m/s 15.030 (0.42) -8.194 (-0.77) 3.537 (1.78) s (rad/s)
passenger deck aft: Abs. vert. accel 0.000 m^2/s^4 0.013 m/s^2 0.027 m/s^2 15.030 (0.42) -8.516 (-0.74) 4.313 (1.46) s (rad/s)
passenger deck aft: Rel. vert. accel 0.001 m^2/s^4 0.032 m/s^2 0.064 m/s^2 15.030 (0.42) -1.869 (-3.36) 1.768 (3.55) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.006 m 0.012 m 15.030 (0.42) 17.845 (0.35) 16.487 (0.38) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.002 m/s 0.005 m/s 15.030 (0.42) 19.994 (0.31) 12.216 (0.51) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.001 m/s^2 0.002 m/s^2 15.030 (0.42) -9.250 (-0.68) 4.412 (1.42) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.008 m 0.016 m 15.030 (0.42) 24.723 (0.25) 13.724 (0.46) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.004 m/s 0.007 m/s 15.030 (0.42) -13.209 (-0.48) 5.337 (1.18) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.004 m/s^2 0.009 m/s^2 15.030 (0.42) -3.685 (-1.70) 3.463 (1.81) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.009 SM 0.000 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.006 m^2 0.080 m 0.160 m 15.030 (0.42) 16.281 (0.39) 16.050 (0.39) s (rad/s)
passenger deck forward: Rel. vert. motion 0.004 m^2 0.063 m 0.126 m 15.030 (0.42) 17.956 (0.35) 15.283 (0.41) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.001 m^2/s^2 0.031 m/s 0.063 m/s 15.030 (0.42) 16.200 (0.39) 15.321 (0.41) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.001 m^2/s^2 0.026 m/s 0.052 m/s 15.030 (0.42) -62.576 (-0.10) 5.128 (1.23) s (rad/s)
passenger deck forward: Abs. vert. accel 0.000 m^2/s^4 0.013 m/s^2 0.026 m/s^2 15.030 (0.42) 27.541 (0.23) 9.397 (0.67) s (rad/s)
passenger deck forward: Rel. vert. accel 0.001 m^2/s^4 0.032 m/s^2 0.063 m/s^2 15.030 (0.42) -1.949 (-3.22) 1.783 (3.52) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.006 m 0.012 m 15.030 (0.42) 17.845 (0.35) 16.487 (0.38) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.002 m/s 0.005 m/s 15.030 (0.42) 19.994 (0.31) 12.216 (0.51) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.001 m/s^2 0.002 m/s^2 15.030 (0.42) -9.250 (-0.68) 4.412 (1.42) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.008 m 0.016 m 15.030 (0.42) 24.723 (0.25) 13.724 (0.46) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.004 m/s 0.007 m/s 15.030 (0.42) -13.209 (-0.48) 5.337 (1.18) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.004 m/s^2 0.009 m/s^2 15.030 (0.42) -3.685 (-1.70) 3.463 (1.81) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.006 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.006 m^2 0.080 m 0.160 m 15.030 (0.42) 16.281 (0.39) 16.050 (0.39) s (rad/s)
Bridge deck: Rel. vert. motion 0.004 m^2 0.063 m 0.126 m 15.030 (0.42) 17.956 (0.35) 15.283 (0.41) s (rad/s)
Bridge deck: Abs. vert. velocity 0.001 m^2/s^2 0.031 m/s 0.063 m/s 15.030 (0.42) 16.200 (0.39) 15.321 (0.41) s (rad/s)
Bridge deck: Rel. vert. velocity 0.001 m^2/s^2 0.026 m/s 0.052 m/s 15.030 (0.42) -62.576 (-0.10) 5.128 (1.23) s (rad/s)
Bridge deck: Abs. vert. accel 0.000 m^2/s^4 0.013 m/s^2 0.026 m/s^2 15.030 (0.42) 27.541 (0.23) 9.397 (0.67) s (rad/s)
Bridge deck: Rel. vert. accel 0.001 m^2/s^4 0.032 m/s^2 0.063 m/s^2 15.030 (0.42) -1.949 (-3.22) 1.783 (3.52) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.011 m 0.022 m 15.030 (0.42) 17.845 (0.35) 16.487 (0.38) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.004 m/s 0.009 m/s 15.030 (0.42) 19.994 (0.31) 12.216 (0.51) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.002 m/s^2 0.004 m/s^2 15.030 (0.42) -9.250 (-0.68) 4.412 (1.42) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.014 m 0.029 m 15.030 (0.42) 24.723 (0.25) 13.724 (0.46) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.007 m/s 0.013 m/s 15.030 (0.42) -13.209 (-0.48) 5.337 (1.18) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.008 m/s^2 0.016 m/s^2 15.030 (0.42) -3.685 (-1.70) 3.463 (1.81) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.006 SM 0.000 % 0.000 % -- -- --

Trial Speed, 18 kn; 0.885 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 0.885 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 15.030 (0.42) 16.972 (0.37) 15.326 (0.41) s (rad/s)
Added resistance 1.456 kN -- -- 15.030 (0.42) 19.791 (0.32) 16.597 (0.38) s (rad/s)
Heave motion 0.018 m^2 0.134 m 0.268 m 15.030 (0.42) 16.378 (0.38) 15.954 (0.39) s (rad/s)
Roll motion 0.00003 rad^2 0.00568 rad 0.01136 rad 15.030 (0.42) 24.693 (0.25) 13.723 (0.46) s (rad/s)
Pitch motion 0.00002 rad^2 0.00439 rad 0.00877 rad 15.030 (0.42) 17.856 (0.35) 16.492 (0.38) s (rad/s)
Heave velocity 0.003 m^2/s^2 0.053 m/s 0.105 m/s 15.030 (0.42) 17.940 (0.35) 13.246 (0.47) s (rad/s)
Roll velocity 0.00001 (rad/s)^2 0.00260 rad/s 0.00520 rad/s 15.030 (0.42) -13.213 (-0.48) 5.335 (1.18) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00167 rad/s 0.00334 rad/s 15.030 (0.42) 20.027 (0.31) 12.202 (0.51) s (rad/s)
Heave acceleration 0.001 m^2/s^4 0.025 m/s^2 0.050 m/s^2 15.030 (0.42) -16.202 (-0.39) 5.108 (1.23) s (rad/s)
Roll acceleration 0.00001 (rad/s/s)^2 0.00306 rad/s/s 0.00613 rad/s/s 15.030 (0.42) -3.682 (-1.71) 3.461 (1.82) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00086 rad/s/s 0.00172 rad/s/s 15.030 (0.42) -9.190 (-0.68) 4.404 (1.43) s (rad/s)
passenger deck aft: Abs. vert. motion 0.016 m^2 0.128 m 0.256 m 15.030 (0.42) 16.679 (0.38) 15.954 (0.39) s (rad/s)
passenger deck aft: Rel. vert. motion 0.006 m^2 0.080 m 0.160 m 15.030 (0.42) 21.952 (0.29) 13.961 (0.45) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.003 m^2/s^2 0.050 m/s 0.101 m/s 15.030 (0.42) 20.003 (0.31) 11.926 (0.53) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.001 m^2/s^2 0.036 m/s 0.072 m/s 15.030 (0.42) -8.291 (-0.76) 3.561 (1.76) s (rad/s)
passenger deck aft: Abs. vert. accel 0.001 m^2/s^4 0.027 m/s^2 0.053 m/s^2 15.030 (0.42) -8.550 (-0.73) 4.320 (1.45) s (rad/s)
passenger deck aft: Rel. vert. accel 0.004 m^2/s^4 0.064 m/s^2 0.127 m/s^2 15.030 (0.42) -1.881 (-3.34) 1.779 (3.53) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.012 m 0.025 m 15.030 (0.42) 17.843 (0.35) 16.487 (0.38) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.009 m/s 15.030 (0.42) 19.998 (0.31) 12.215 (0.51) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.002 m/s^2 0.005 m/s^2 15.030 (0.42) -9.245 (-0.68) 4.413 (1.42) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.016 m 0.032 m 15.030 (0.42) 24.697 (0.25) 13.727 (0.46) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.007 m/s 0.015 m/s 15.030 (0.42) -13.225 (-0.48) 5.338 (1.18) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.009 m/s^2 0.017 m/s^2 15.030 (0.42) -3.685 (-1.70) 3.464 (1.81) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.024 SM 0.000 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.026 m^2 0.160 m 0.321 m 15.030 (0.42) 16.286 (0.39) 16.056 (0.39) s (rad/s)
passenger deck forward: Rel. vert. motion 0.016 m^2 0.126 m 0.251 m 15.030 (0.42) 17.951 (0.35) 15.294 (0.41) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.004 m^2/s^2 0.063 m/s 0.125 m/s 15.030 (0.42) 16.205 (0.39) 15.328 (0.41) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.003 m^2/s^2 0.052 m/s 0.103 m/s 15.030 (0.42) -66.181 (-0.09) 5.168 (1.22) s (rad/s)
passenger deck forward: Abs. vert. accel 0.001 m^2/s^4 0.026 m/s^2 0.051 m/s^2 15.030 (0.42) 27.502 (0.23) 9.408 (0.67) s (rad/s)
passenger deck forward: Rel. vert. accel 0.004 m^2/s^4 0.063 m/s^2 0.126 m/s^2 15.030 (0.42) -1.963 (-3.20) 1.794 (3.50) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.012 m 0.025 m 15.030 (0.42) 17.843 (0.35) 16.487 (0.38) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.009 m/s 15.030 (0.42) 19.998 (0.31) 12.215 (0.51) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.002 m/s^2 0.005 m/s^2 15.030 (0.42) -9.245 (-0.68) 4.413 (1.42) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.016 m 0.032 m 15.030 (0.42) 24.697 (0.25) 13.727 (0.46) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.007 m/s 0.015 m/s 15.030 (0.42) -13.225 (-0.48) 5.338 (1.18) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.009 m/s^2 0.017 m/s^2 15.030 (0.42) -3.685 (-1.70) 3.464 (1.81) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.017 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.026 m^2 0.160 m 0.321 m 15.030 (0.42) 16.286 (0.39) 16.056 (0.39) s (rad/s)
Bridge deck: Rel. vert. motion 0.016 m^2 0.126 m 0.251 m 15.030 (0.42) 17.951 (0.35) 15.294 (0.41) s (rad/s)
Bridge deck: Abs. vert. velocity 0.004 m^2/s^2 0.063 m/s 0.125 m/s 15.030 (0.42) 16.205 (0.39) 15.328 (0.41) s (rad/s)
Bridge deck: Rel. vert. velocity 0.003 m^2/s^2 0.052 m/s 0.103 m/s 15.030 (0.42) -66.181 (-0.09) 5.168 (1.22) s (rad/s)
Bridge deck: Abs. vert. accel 0.001 m^2/s^4 0.026 m/s^2 0.051 m/s^2 15.030 (0.42) 27.502 (0.23) 9.408 (0.67) s (rad/s)
Bridge deck: Rel. vert. accel 0.004 m^2/s^4 0.063 m/s^2 0.126 m/s^2 15.030 (0.42) -1.963 (-3.20) 1.794 (3.50) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.001 m^2 0.022 m 0.045 m 15.030 (0.42) 17.843 (0.35) 16.487 (0.38) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.009 m/s 0.017 m/s 15.030 (0.42) 19.998 (0.31) 12.215 (0.51) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.004 m/s^2 0.009 m/s^2 15.030 (0.42) -9.245 (-0.68) 4.413 (1.42) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.001 m^2 0.029 m 0.058 m 15.030 (0.42) 24.697 (0.25) 13.727 (0.46) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.013 m/s 0.026 m/s 15.030 (0.42) -13.225 (-0.48) 5.338 (1.18) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.016 m/s^2 0.031 m/s^2 15.030 (0.42) -3.685 (-1.70) 3.464 (1.81) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.017 SM 0.000 % 0.000 % -- -- --

Trial Speed, 18 kn; 0.885 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.965 s -- -- -- -- --
Characteristic wave height 1.200 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 0.885 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.090 m^2 0.300 m 0.601 m 9.969 (0.63) 8.348 (0.75) 7.856 (0.80) s (rad/s)
Encountered wave spectrum 0.090 m^2 0.300 m 0.601 m 15.030 (0.42) 16.973 (0.37) 15.318 (0.41) s (rad/s)
Added resistance 5.836 kN -- -- 15.030 (0.42) 19.805 (0.32) 16.599 (0.38) s (rad/s)
Heave motion 0.072 m^2 0.267 m 0.535 m 15.030 (0.42) 16.376 (0.38) 15.951 (0.39) s (rad/s)
Roll motion 0.00013 rad^2 0.01138 rad 0.02275 rad 15.030 (0.42) 24.703 (0.25) 13.737 (0.46) s (rad/s)
Pitch motion 0.00008 rad^2 0.00879 rad 0.01757 rad 15.030 (0.42) 17.859 (0.35) 16.493 (0.38) s (rad/s)
Heave velocity 0.011 m^2/s^2 0.105 m/s 0.211 m/s 15.030 (0.42) 17.942 (0.35) 13.237 (0.47) s (rad/s)
Roll velocity 0.00003 (rad/s)^2 0.00520 rad/s 0.01041 rad/s 15.030 (0.42) -13.268 (-0.47) 5.341 (1.18) s (rad/s)
Pitch velocity 0.00001 (rad/s)^2 0.00335 rad/s 0.00669 rad/s 15.030 (0.42) 20.026 (0.31) 12.202 (0.51) s (rad/s)
Heave acceleration 0.002 m^2/s^4 0.050 m/s^2 0.100 m/s^2 15.030 (0.42) -16.139 (-0.39) 5.102 (1.23) s (rad/s)
Roll acceleration 0.00004 (rad/s/s)^2 0.00612 rad/s/s 0.01224 rad/s/s 15.030 (0.42) -3.683 (-1.71) 3.461 (1.82) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00172 rad/s/s 0.00345 rad/s/s 15.030 (0.42) -9.187 (-0.68) 4.402 (1.43) s (rad/s)
passenger deck aft: Abs. vert. motion 0.066 m^2 0.256 m 0.513 m 15.030 (0.42) 16.679 (0.38) 15.950 (0.39) s (rad/s)
passenger deck aft: Rel. vert. motion 0.026 m^2 0.160 m 0.321 m 15.030 (0.42) 21.962 (0.29) 13.954 (0.45) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.010 m^2/s^2 0.101 m/s 0.202 m/s 15.030 (0.42) 20.012 (0.31) 11.916 (0.53) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.005 m^2/s^2 0.072 m/s 0.144 m/s 15.030 (0.42) -8.243 (-0.76) 3.549 (1.77) s (rad/s)
passenger deck aft: Abs. vert. accel 0.003 m^2/s^4 0.053 m/s^2 0.106 m/s^2 15.030 (0.42) -8.528 (-0.74) 4.315 (1.46) s (rad/s)
passenger deck aft: Rel. vert. accel 0.016 m^2/s^4 0.128 m/s^2 0.256 m/s^2 15.030 (0.42) -1.875 (-3.35) 1.773 (3.54) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.001 m^2 0.025 m 0.049 m 15.030 (0.42) 17.847 (0.35) 16.488 (0.38) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.009 m/s 0.019 m/s 15.030 (0.42) 19.997 (0.31) 12.214 (0.51) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.005 m/s^2 0.010 m/s^2 15.030 (0.42) -9.243 (-0.68) 4.411 (1.42) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.001 m^2 0.032 m 0.064 m 15.030 (0.42) 24.707 (0.25) 13.741 (0.46) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.015 m/s 0.029 m/s 15.030 (0.42) -13.280 (-0.47) 5.344 (1.18) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.017 m/s^2 0.034 m/s^2 15.030 (0.42) -3.687 (-1.70) 3.464 (1.81) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.064 SM 0.001 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.103 m^2 0.321 m 0.641 m 15.030 (0.42) 16.285 (0.39) 16.054 (0.39) s (rad/s)
passenger deck forward: Rel. vert. motion 0.063 m^2 0.252 m 0.503 m 15.030 (0.42) 17.957 (0.35) 15.290 (0.41) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.016 m^2/s^2 0.125 m/s 0.251 m/s 15.030 (0.42) 16.202 (0.39) 15.324 (0.41) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.011 m^2/s^2 0.103 m/s 0.207 m/s 15.030 (0.42) -64.306 (-0.10) 5.148 (1.22) s (rad/s)
passenger deck forward: Abs. vert. accel 0.003 m^2/s^4 0.051 m/s^2 0.103 m/s^2 15.030 (0.42) 27.532 (0.23) 9.400 (0.67) s (rad/s)
passenger deck forward: Rel. vert. accel 0.016 m^2/s^4 0.126 m/s^2 0.252 m/s^2 15.030 (0.42) -1.956 (-3.21) 1.789 (3.51) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.001 m^2 0.025 m 0.049 m 15.030 (0.42) 17.847 (0.35) 16.488 (0.38) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.009 m/s 0.019 m/s 15.030 (0.42) 19.997 (0.31) 12.214 (0.51) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.005 m/s^2 0.010 m/s^2 15.030 (0.42) -9.243 (-0.68) 4.411 (1.42) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.001 m^2 0.032 m 0.064 m 15.030 (0.42) 24.707 (0.25) 13.741 (0.46) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.015 m/s 0.029 m/s 15.030 (0.42) -13.280 (-0.47) 5.344 (1.18) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.017 m/s^2 0.034 m/s^2 15.030 (0.42) -3.687 (-1.70) 3.464 (1.81) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.047 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.103 m^2 0.321 m 0.641 m 15.030 (0.42) 16.285 (0.39) 16.054 (0.39) s (rad/s)
Bridge deck: Rel. vert. motion 0.063 m^2 0.252 m 0.503 m 15.030 (0.42) 17.957 (0.35) 15.290 (0.41) s (rad/s)
Bridge deck: Abs. vert. velocity 0.016 m^2/s^2 0.125 m/s 0.251 m/s 15.030 (0.42) 16.202 (0.39) 15.324 (0.41) s (rad/s)
Bridge deck: Rel. vert. velocity 0.011 m^2/s^2 0.103 m/s 0.207 m/s 15.030 (0.42) -64.306 (-0.10) 5.148 (1.22) s (rad/s)
Bridge deck: Abs. vert. accel 0.003 m^2/s^4 0.051 m/s^2 0.103 m/s^2 15.030 (0.42) 27.532 (0.23) 9.400 (0.67) s (rad/s)
Bridge deck: Rel. vert. accel 0.016 m^2/s^4 0.126 m/s^2 0.252 m/s^2 15.030 (0.42) -1.956 (-3.21) 1.789 (3.51) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.002 m^2 0.045 m 0.090 m 15.030 (0.42) 17.847 (0.35) 16.488 (0.38) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.017 m/s 0.034 m/s 15.030 (0.42) 19.997 (0.31) 12.214 (0.51) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.009 m/s^2 0.018 m/s^2 15.030 (0.42) -9.243 (-0.68) 4.411 (1.42) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.003 m^2 0.058 m 0.116 m 15.030 (0.42) 24.707 (0.25) 13.741 (0.46) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.001 m^2/s^2 0.026 m/s 0.053 m/s 15.030 (0.42) -13.280 (-0.47) 5.344 (1.18) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.001 m^2/s^4 0.031 m/s^2 0.062 m/s^2 15.030 (0.42) -3.687 (-1.70) 3.464 (1.81) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.047 SM 0.000 % 0.000 % -- -- --

Trial Speed, 18 kn; 0.885 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 2.000 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 0.885 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.251 m^2 0.501 m 1.001 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.251 m^2 0.501 m 1.001 m 15.030 (0.42) 16.972 (0.37) 15.326 (0.41) s (rad/s)
Added resistance 16.179 kN -- -- 15.030 (0.42) 19.791 (0.32) 16.597 (0.38) s (rad/s)
Heave motion 0.199 m^2 0.446 m 0.892 m 15.030 (0.42) 16.378 (0.38) 15.954 (0.39) s (rad/s)
Roll motion 0.00036 rad^2 0.01893 rad 0.03787 rad 15.030 (0.42) 24.693 (0.25) 13.723 (0.46) s (rad/s)
Pitch motion 0.00021 rad^2 0.01462 rad 0.02924 rad 15.030 (0.42) 17.856 (0.35) 16.492 (0.38) s (rad/s)
Heave velocity 0.031 m^2/s^2 0.176 m/s 0.351 m/s 15.030 (0.42) 17.940 (0.35) 13.246 (0.47) s (rad/s)
Roll velocity 0.00008 (rad/s)^2 0.00867 rad/s 0.01734 rad/s 15.030 (0.42) -13.213 (-0.48) 5.335 (1.18) s (rad/s)
Pitch velocity 0.00003 (rad/s)^2 0.00557 rad/s 0.01114 rad/s 15.030 (0.42) 20.027 (0.31) 12.202 (0.51) s (rad/s)
Heave acceleration 0.007 m^2/s^4 0.083 m/s^2 0.167 m/s^2 15.030 (0.42) -16.202 (-0.39) 5.108 (1.23) s (rad/s)
Roll acceleration 0.00010 (rad/s/s)^2 0.01021 rad/s/s 0.02042 rad/s/s 15.030 (0.42) -3.682 (-1.71) 3.461 (1.82) s (rad/s)
Pitch acceleration 0.00001 (rad/s/s)^2 0.00287 rad/s/s 0.00574 rad/s/s 15.030 (0.42) -9.190 (-0.68) 4.404 (1.43) s (rad/s)
passenger deck aft: Abs. vert. motion 0.183 m^2 0.427 m 0.855 m 15.030 (0.42) 16.679 (0.38) 15.954 (0.39) s (rad/s)
passenger deck aft: Rel. vert. motion 0.071 m^2 0.267 m 0.534 m 15.030 (0.42) 21.952 (0.29) 13.961 (0.45) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.028 m^2/s^2 0.168 m/s 0.337 m/s 15.030 (0.42) 20.003 (0.31) 11.926 (0.53) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.014 m^2/s^2 0.120 m/s 0.240 m/s 15.030 (0.42) -8.291 (-0.76) 3.561 (1.76) s (rad/s)
passenger deck aft: Abs. vert. accel 0.008 m^2/s^4 0.089 m/s^2 0.177 m/s^2 15.030 (0.42) -8.550 (-0.73) 4.320 (1.45) s (rad/s)
passenger deck aft: Rel. vert. accel 0.045 m^2/s^4 0.212 m/s^2 0.424 m/s^2 15.030 (0.42) -1.881 (-3.34) 1.779 (3.53) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.002 m^2 0.041 m 0.082 m 15.030 (0.42) 17.843 (0.35) 16.487 (0.38) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.016 m/s 0.031 m/s 15.030 (0.42) 19.998 (0.31) 12.215 (0.51) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.008 m/s^2 0.016 m/s^2 15.030 (0.42) -9.245 (-0.68) 4.413 (1.42) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.003 m^2 0.053 m 0.106 m 15.030 (0.42) 24.697 (0.25) 13.727 (0.46) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.001 m^2/s^2 0.024 m/s 0.048 m/s 15.030 (0.42) -13.225 (-0.48) 5.338 (1.18) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.001 m^2/s^4 0.029 m/s^2 0.057 m/s^2 15.030 (0.42) -3.685 (-1.70) 3.464 (1.81) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.134 SM 0.009 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.285 m^2 0.534 m 1.068 m 15.030 (0.42) 16.286 (0.39) 16.056 (0.39) s (rad/s)
passenger deck forward: Rel. vert. motion 0.175 m^2 0.419 m 0.838 m 15.030 (0.42) 17.951 (0.35) 15.294 (0.41) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.044 m^2/s^2 0.209 m/s 0.418 m/s 15.030 (0.42) 16.205 (0.39) 15.328 (0.41) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.030 m^2/s^2 0.172 m/s 0.344 m/s 15.030 (0.42) -66.181 (-0.09) 5.168 (1.22) s (rad/s)
passenger deck forward: Abs. vert. accel 0.007 m^2/s^4 0.086 m/s^2 0.171 m/s^2 15.030 (0.42) 27.502 (0.23) 9.408 (0.67) s (rad/s)
passenger deck forward: Rel. vert. accel 0.044 m^2/s^4 0.209 m/s^2 0.418 m/s^2 15.030 (0.42) -1.963 (-3.20) 1.794 (3.50) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.002 m^2 0.041 m 0.082 m 15.030 (0.42) 17.843 (0.35) 16.487 (0.38) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.016 m/s 0.031 m/s 15.030 (0.42) 19.998 (0.31) 12.215 (0.51) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.008 m/s^2 0.016 m/s^2 15.030 (0.42) -9.245 (-0.68) 4.413 (1.42) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.003 m^2 0.053 m 0.106 m 15.030 (0.42) 24.697 (0.25) 13.727 (0.46) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.001 m^2/s^2 0.024 m/s 0.048 m/s 15.030 (0.42) -13.225 (-0.48) 5.338 (1.18) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.001 m^2/s^4 0.029 m/s^2 0.057 m/s^2 15.030 (0.42) -3.685 (-1.70) 3.464 (1.81) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.097 SM 0.001 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.285 m^2 0.534 m 1.068 m 15.030 (0.42) 16.286 (0.39) 16.056 (0.39) s (rad/s)
Bridge deck: Rel. vert. motion 0.175 m^2 0.419 m 0.838 m 15.030 (0.42) 17.951 (0.35) 15.294 (0.41) s (rad/s)
Bridge deck: Abs. vert. velocity 0.044 m^2/s^2 0.209 m/s 0.418 m/s 15.030 (0.42) 16.205 (0.39) 15.328 (0.41) s (rad/s)
Bridge deck: Rel. vert. velocity 0.030 m^2/s^2 0.172 m/s 0.344 m/s 15.030 (0.42) -66.181 (-0.09) 5.168 (1.22) s (rad/s)
Bridge deck: Abs. vert. accel 0.007 m^2/s^4 0.086 m/s^2 0.171 m/s^2 15.030 (0.42) 27.502 (0.23) 9.408 (0.67) s (rad/s)
Bridge deck: Rel. vert. accel 0.044 m^2/s^4 0.209 m/s^2 0.418 m/s^2 15.030 (0.42) -1.963 (-3.20) 1.794 (3.50) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.006 m^2 0.075 m 0.149 m 15.030 (0.42) 17.843 (0.35) 16.487 (0.38) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.001 m^2/s^2 0.028 m/s 0.057 m/s 15.030 (0.42) 19.998 (0.31) 12.215 (0.51) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.015 m/s^2 0.029 m/s^2 15.030 (0.42) -9.245 (-0.68) 4.413 (1.42) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.009 m^2 0.096 m 0.193 m 15.030 (0.42) 24.697 (0.25) 13.727 (0.46) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.002 m^2/s^2 0.044 m/s 0.088 m/s 15.030 (0.42) -13.225 (-0.48) 5.338 (1.18) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.003 m^2/s^4 0.052 m/s^2 0.104 m/s^2 15.030 (0.42) -3.685 (-1.70) 3.464 (1.81) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.097 SM 0.001 % 0.000 % -- -- --

Trial Speed, 18 kn; 1.15 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.956 s -- -- -- -- --
Characteristic wave height 0.300 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 1.150 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.006 m^2 0.075 m 0.150 m 9.960 (0.63) 8.340 (0.75) 7.849 (0.80) s (rad/s)
Encountered wave spectrum 0.006 m^2 0.075 m 0.150 m 9.685 (0.65) 12.405 (0.51) 12.234 (0.51) s (rad/s)
Added resistance 0.316 kN -- -- 9.685 (0.65) 12.322 (0.51) 11.999 (0.52) s (rad/s)
Heave motion 0.004 m^2 0.064 m 0.128 m 13.134 (0.48) 12.824 (0.49) 12.748 (0.49) s (rad/s)
Roll motion 0.00001 rad^2 0.00304 rad 0.00607 rad 9.685 (0.65) 12.015 (0.52) 11.795 (0.53) s (rad/s)
Pitch motion 0.00000 rad^2 0.00074 rad 0.00148 rad 9.685 (0.65) 11.431 (0.55) 11.070 (0.57) s (rad/s)
Heave velocity 0.001 m^2/s^2 0.031 m/s 0.063 m/s 13.063 (0.48) 12.562 (0.50) 12.465 (0.50) s (rad/s)
Roll velocity 0.00000 (rad/s)^2 0.00162 rad/s 0.00324 rad/s 9.685 (0.65) 12.038 (0.52) 11.147 (0.56) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00042 rad/s 0.00084 rad/s 9.685 (0.65) 10.794 (0.58) 10.553 (0.60) s (rad/s)
Heave acceleration 0.000 m^2/s^4 0.016 m/s^2 0.032 m/s^2 12.993 (0.48) 12.387 (0.51) 12.102 (0.52) s (rad/s)
Roll acceleration 0.00000 (rad/s/s)^2 0.00091 rad/s/s 0.00182 rad/s/s 9.685 (0.65) 15.621 (0.40) 9.163 (0.69) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00025 rad/s/s 0.00050 rad/s/s 9.685 (0.65) 11.010 (0.57) 10.061 (0.62) s (rad/s)
passenger deck aft: Abs. vert. motion 0.004 m^2 0.065 m 0.131 m 13.136 (0.48) 12.851 (0.49) 12.768 (0.49) s (rad/s)
passenger deck aft: Rel. vert. motion 0.001 m^2 0.033 m 0.066 m 9.685 (0.65) 11.113 (0.57) 10.702 (0.59) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.001 m^2/s^2 0.032 m/s 0.064 m/s 13.065 (0.48) 12.588 (0.50) 12.476 (0.50) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.000 m^2/s^2 0.019 m/s 0.039 m/s 9.685 (0.65) 11.035 (0.57) 10.159 (0.62) s (rad/s)
passenger deck aft: Abs. vert. accel 0.000 m^2/s^4 0.016 m/s^2 0.032 m/s^2 9.685 (0.65) 12.467 (0.50) 12.063 (0.52) s (rad/s)
passenger deck aft: Rel. vert. accel 0.000 m^2/s^4 0.012 m/s^2 0.024 m/s^2 9.685 (0.65) 13.171 (0.48) 9.013 (0.70) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.002 m 0.004 m 9.685 (0.65) 11.435 (0.55) 11.076 (0.57) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.001 m/s 0.002 m/s 9.685 (0.65) 10.799 (0.58) 10.559 (0.60) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.001 m/s^2 0.001 m/s^2 9.685 (0.65) 11.017 (0.57) 10.065 (0.62) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.008 m 0.017 m 9.685 (0.65) 12.024 (0.52) 11.802 (0.53) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.005 m/s 0.009 m/s 9.685 (0.65) 12.050 (0.52) 11.150 (0.56) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.003 m/s^2 0.005 m/s^2 9.685 (0.65) 15.698 (0.40) 9.150 (0.69) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.011 SM 0.000 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.004 m^2 0.062 m 0.124 m 13.128 (0.48) 12.711 (0.49) 12.632 (0.50) s (rad/s)
passenger deck forward: Rel. vert. motion 0.001 m^2 0.031 m 0.062 m 9.685 (0.65) 11.284 (0.56) 10.843 (0.58) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.001 m^2/s^2 0.031 m/s 0.062 m/s 9.685 (0.65) 12.411 (0.51) 12.328 (0.51) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.000 m^2/s^2 0.018 m/s 0.036 m/s 9.685 (0.65) 11.219 (0.56) 10.232 (0.61) s (rad/s)
passenger deck forward: Abs. vert. accel 0.000 m^2/s^4 0.016 m/s^2 0.031 m/s^2 9.685 (0.65) 12.132 (0.52) 12.004 (0.52) s (rad/s)
passenger deck forward: Rel. vert. accel 0.000 m^2/s^4 0.011 m/s^2 0.022 m/s^2 9.685 (0.65) 13.874 (0.45) 8.919 (0.70) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.002 m 0.004 m 9.685 (0.65) 11.435 (0.55) 11.076 (0.57) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.001 m/s 0.002 m/s 9.685 (0.65) 10.799 (0.58) 10.559 (0.60) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.001 m/s^2 0.001 m/s^2 9.685 (0.65) 11.017 (0.57) 10.065 (0.62) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.008 m 0.017 m 9.685 (0.65) 12.024 (0.52) 11.802 (0.53) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.005 m/s 0.009 m/s 9.685 (0.65) 12.050 (0.52) 11.150 (0.56) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.003 m/s^2 0.005 m/s^2 9.685 (0.65) 15.698 (0.40) 9.150 (0.69) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.011 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.004 m^2 0.062 m 0.124 m 13.128 (0.48) 12.711 (0.49) 12.632 (0.50) s (rad/s)
Bridge deck: Rel. vert. motion 0.001 m^2 0.031 m 0.062 m 9.685 (0.65) 11.284 (0.56) 10.843 (0.58) s (rad/s)
Bridge deck: Abs. vert. velocity 0.001 m^2/s^2 0.031 m/s 0.062 m/s 9.685 (0.65) 12.411 (0.51) 12.328 (0.51) s (rad/s)
Bridge deck: Rel. vert. velocity 0.000 m^2/s^2 0.018 m/s 0.036 m/s 9.685 (0.65) 11.219 (0.56) 10.232 (0.61) s (rad/s)
Bridge deck: Abs. vert. accel 0.000 m^2/s^4 0.016 m/s^2 0.031 m/s^2 9.685 (0.65) 12.132 (0.52) 12.004 (0.52) s (rad/s)
Bridge deck: Rel. vert. accel 0.000 m^2/s^4 0.011 m/s^2 0.022 m/s^2 9.685 (0.65) 13.874 (0.45) 8.919 (0.70) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.004 m 0.008 m 9.685 (0.65) 11.435 (0.55) 11.076 (0.57) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.002 m/s 0.004 m/s 9.685 (0.65) 10.799 (0.58) 10.559 (0.60) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.001 m/s^2 0.003 m/s^2 9.685 (0.65) 11.017 (0.57) 10.065 (0.62) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.015 m 0.031 m 9.685 (0.65) 12.024 (0.52) 11.802 (0.53) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.008 m/s 0.016 m/s 9.685 (0.65) 12.050 (0.52) 11.150 (0.56) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.005 m/s^2 0.009 m/s^2 9.685 (0.65) 15.698 (0.40) 9.150 (0.69) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.011 SM 0.000 % 0.000 % -- -- --

Trial Speed, 18 kn; 1.15 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 1.150 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 9.685 (0.65) 12.417 (0.51) 12.247 (0.51) s (rad/s)
Added resistance 1.259 kN -- -- 9.685 (0.65) 12.330 (0.51) 12.007 (0.52) s (rad/s)
Heave motion 0.016 m^2 0.128 m 0.256 m 13.152 (0.48) 12.837 (0.49) 12.761 (0.49) s (rad/s)
Roll motion 0.00004 rad^2 0.00606 rad 0.01213 rad 12.937 (0.49) 12.018 (0.52) 11.805 (0.53) s (rad/s)
Pitch motion 0.00000 rad^2 0.00147 rad 0.00295 rad 9.685 (0.65) 11.432 (0.55) 11.073 (0.57) s (rad/s)
Heave velocity 0.004 m^2/s^2 0.063 m/s 0.126 m/s 13.081 (0.48) 12.573 (0.50) 12.477 (0.50) s (rad/s)
Roll velocity 0.00001 (rad/s)^2 0.00323 rad/s 0.00645 rad/s 9.685 (0.65) 12.005 (0.52) 11.185 (0.56) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00084 rad/s 0.00167 rad/s 9.685 (0.65) 10.791 (0.58) 10.558 (0.60) s (rad/s)
Heave acceleration 0.001 m^2/s^4 0.032 m/s^2 0.063 m/s^2 13.009 (0.48) 12.389 (0.51) 12.119 (0.52) s (rad/s)
Roll acceleration 0.00000 (rad/s/s)^2 0.00181 rad/s/s 0.00362 rad/s/s 9.685 (0.65) 15.076 (0.42) 9.340 (0.67) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00050 rad/s/s 0.00100 rad/s/s 9.685 (0.65) 10.977 (0.57) 10.088 (0.62) s (rad/s)
passenger deck aft: Abs. vert. motion 0.017 m^2 0.131 m 0.261 m 13.154 (0.48) 12.864 (0.49) 12.781 (0.49) s (rad/s)
passenger deck aft: Rel. vert. motion 0.004 m^2 0.065 m 0.131 m 9.685 (0.65) 11.113 (0.57) 10.706 (0.59) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.004 m^2/s^2 0.064 m/s 0.128 m/s 13.082 (0.48) 12.599 (0.50) 12.488 (0.50) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.001 m^2/s^2 0.038 m/s 0.077 m/s 9.685 (0.65) 11.016 (0.57) 10.176 (0.62) s (rad/s)
passenger deck aft: Abs. vert. accel 0.001 m^2/s^4 0.032 m/s^2 0.065 m/s^2 13.011 (0.48) 12.465 (0.50) 12.084 (0.52) s (rad/s)
passenger deck aft: Rel. vert. accel 0.001 m^2/s^4 0.024 m/s^2 0.047 m/s^2 9.685 (0.65) 12.958 (0.48) 9.098 (0.69) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.004 m 0.008 m 9.685 (0.65) 11.437 (0.55) 11.079 (0.57) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.002 m/s 0.005 m/s 9.685 (0.65) 10.797 (0.58) 10.564 (0.59) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.001 m/s^2 0.003 m/s^2 9.685 (0.65) 10.984 (0.57) 10.092 (0.62) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.017 m 0.034 m 12.942 (0.49) 12.027 (0.52) 11.812 (0.53) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.009 m/s 0.018 m/s 9.685 (0.65) 12.017 (0.52) 11.189 (0.56) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.005 m/s^2 0.010 m/s^2 9.685 (0.65) 15.142 (0.41) 9.327 (0.67) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.030 SM 0.000 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.015 m^2 0.124 m 0.249 m 13.146 (0.48) 12.724 (0.49) 12.645 (0.50) s (rad/s)
passenger deck forward: Rel. vert. motion 0.004 m^2 0.062 m 0.124 m 9.685 (0.65) 11.284 (0.56) 10.846 (0.58) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.004 m^2/s^2 0.062 m/s 0.124 m/s 13.073 (0.48) 12.422 (0.51) 12.339 (0.51) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.001 m^2/s^2 0.036 m/s 0.072 m/s 9.685 (0.65) 11.203 (0.56) 10.246 (0.61) s (rad/s)
passenger deck forward: Abs. vert. accel 0.001 m^2/s^4 0.031 m/s^2 0.063 m/s^2 9.685 (0.65) 12.140 (0.52) 12.014 (0.52) s (rad/s)
passenger deck forward: Rel. vert. accel 0.000 m^2/s^4 0.022 m/s^2 0.044 m/s^2 9.685 (0.65) 13.680 (0.46) 8.986 (0.70) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.004 m 0.008 m 9.685 (0.65) 11.437 (0.55) 11.079 (0.57) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.002 m/s 0.005 m/s 9.685 (0.65) 10.797 (0.58) 10.564 (0.59) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.001 m/s^2 0.003 m/s^2 9.685 (0.65) 10.984 (0.57) 10.092 (0.62) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.017 m 0.034 m 12.942 (0.49) 12.027 (0.52) 11.812 (0.53) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.009 m/s 0.018 m/s 9.685 (0.65) 12.017 (0.52) 11.189 (0.56) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.005 m/s^2 0.010 m/s^2 9.685 (0.65) 15.142 (0.41) 9.327 (0.67) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.029 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.015 m^2 0.124 m 0.249 m 13.146 (0.48) 12.724 (0.49) 12.645 (0.50) s (rad/s)
Bridge deck: Rel. vert. motion 0.004 m^2 0.062 m 0.124 m 9.685 (0.65) 11.284 (0.56) 10.846 (0.58) s (rad/s)
Bridge deck: Abs. vert. velocity 0.004 m^2/s^2 0.062 m/s 0.124 m/s 13.073 (0.48) 12.422 (0.51) 12.339 (0.51) s (rad/s)
Bridge deck: Rel. vert. velocity 0.001 m^2/s^2 0.036 m/s 0.072 m/s 9.685 (0.65) 11.203 (0.56) 10.246 (0.61) s (rad/s)
Bridge deck: Abs. vert. accel 0.001 m^2/s^4 0.031 m/s^2 0.063 m/s^2 9.685 (0.65) 12.140 (0.52) 12.014 (0.52) s (rad/s)
Bridge deck: Rel. vert. accel 0.000 m^2/s^4 0.022 m/s^2 0.044 m/s^2 9.685 (0.65) 13.680 (0.46) 8.986 (0.70) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.008 m 0.015 m 9.685 (0.65) 11.437 (0.55) 11.079 (0.57) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.004 m/s 0.009 m/s 9.685 (0.65) 10.797 (0.58) 10.564 (0.59) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.003 m/s^2 0.005 m/s^2 9.685 (0.65) 10.984 (0.57) 10.092 (0.62) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.001 m^2 0.031 m 0.062 m 12.942 (0.49) 12.027 (0.52) 11.812 (0.53) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.016 m/s 0.033 m/s 9.685 (0.65) 12.017 (0.52) 11.189 (0.56) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.009 m/s^2 0.018 m/s^2 9.685 (0.65) 15.142 (0.41) 9.327 (0.67) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.029 SM 0.000 % 0.000 % -- -- --

Trial Speed, 18 kn; 1.15 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.965 s -- -- -- -- --
Characteristic wave height 1.200 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 1.150 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.090 m^2 0.300 m 0.601 m 9.969 (0.63) 8.348 (0.75) 7.856 (0.80) s (rad/s)
Encountered wave spectrum 0.090 m^2 0.300 m 0.601 m 9.685 (0.65) 12.410 (0.51) 12.240 (0.51) s (rad/s)
Added resistance 5.045 kN -- -- 9.685 (0.65) 12.326 (0.51) 12.003 (0.52) s (rad/s)
Heave motion 0.065 m^2 0.255 m 0.511 m 13.142 (0.48) 12.830 (0.49) 12.754 (0.49) s (rad/s)
Roll motion 0.00015 rad^2 0.01214 rad 0.02428 rad 9.685 (0.65) 12.016 (0.52) 11.800 (0.53) s (rad/s)
Pitch motion 0.00001 rad^2 0.00295 rad 0.00591 rad 9.685 (0.65) 11.431 (0.55) 11.071 (0.57) s (rad/s)
Heave velocity 0.016 m^2/s^2 0.126 m/s 0.252 m/s 13.071 (0.48) 12.567 (0.50) 12.471 (0.50) s (rad/s)
Roll velocity 0.00004 (rad/s)^2 0.00646 rad/s 0.01293 rad/s 9.685 (0.65) 12.020 (0.52) 11.167 (0.56) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00168 rad/s 0.00335 rad/s 9.685 (0.65) 10.792 (0.58) 10.555 (0.60) s (rad/s)
Heave acceleration 0.004 m^2/s^4 0.063 m/s^2 0.127 m/s^2 13.001 (0.48) 12.388 (0.51) 12.110 (0.52) s (rad/s)
Roll acceleration 0.00001 (rad/s/s)^2 0.00364 rad/s/s 0.00727 rad/s/s 9.685 (0.65) 15.323 (0.41) 9.257 (0.68) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00100 rad/s/s 0.00200 rad/s/s 9.685 (0.65) 10.992 (0.57) 10.076 (0.62) s (rad/s)
passenger deck aft: Abs. vert. motion 0.068 m^2 0.261 m 0.523 m 13.144 (0.48) 12.857 (0.49) 12.774 (0.49) s (rad/s)
passenger deck aft: Rel. vert. motion 0.017 m^2 0.131 m 0.262 m 9.685 (0.65) 11.113 (0.57) 10.704 (0.59) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.017 m^2/s^2 0.128 m/s 0.257 m/s 13.073 (0.48) 12.593 (0.50) 12.481 (0.50) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.006 m^2/s^2 0.077 m/s 0.154 m/s 9.685 (0.65) 11.025 (0.57) 10.168 (0.62) s (rad/s)
passenger deck aft: Abs. vert. accel 0.004 m^2/s^4 0.065 m/s^2 0.129 m/s^2 13.001 (0.48) 12.465 (0.50) 12.073 (0.52) s (rad/s)
passenger deck aft: Rel. vert. accel 0.002 m^2/s^4 0.048 m/s^2 0.095 m/s^2 9.685 (0.65) 13.061 (0.48) 9.056 (0.69) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.008 m 0.017 m 9.685 (0.65) 11.435 (0.55) 11.077 (0.57) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.009 m/s 9.685 (0.65) 10.798 (0.58) 10.561 (0.59) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.003 m/s^2 0.006 m/s^2 9.685 (0.65) 10.999 (0.57) 10.080 (0.62) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.001 m^2 0.034 m 0.068 m 9.685 (0.65) 12.025 (0.52) 11.807 (0.53) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.018 m/s 0.036 m/s 9.685 (0.65) 12.032 (0.52) 11.171 (0.56) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.010 m/s^2 0.020 m/s^2 9.685 (0.65) 15.394 (0.41) 9.244 (0.68) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.081 SM 0.002 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.062 m^2 0.249 m 0.497 m 13.136 (0.48) 12.717 (0.49) 12.638 (0.50) s (rad/s)
passenger deck forward: Rel. vert. motion 0.015 m^2 0.124 m 0.248 m 9.685 (0.65) 11.284 (0.56) 10.844 (0.58) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.015 m^2/s^2 0.124 m/s 0.247 m/s 13.065 (0.48) 12.416 (0.51) 12.333 (0.51) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.005 m^2/s^2 0.072 m/s 0.144 m/s 9.685 (0.65) 11.211 (0.56) 10.239 (0.61) s (rad/s)
passenger deck forward: Abs. vert. accel 0.004 m^2/s^4 0.063 m/s^2 0.126 m/s^2 9.685 (0.65) 12.136 (0.52) 12.008 (0.52) s (rad/s)
passenger deck forward: Rel. vert. accel 0.002 m^2/s^4 0.044 m/s^2 0.088 m/s^2 9.685 (0.65) 13.775 (0.46) 8.953 (0.70) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.008 m 0.017 m 9.685 (0.65) 11.435 (0.55) 11.077 (0.57) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.009 m/s 9.685 (0.65) 10.798 (0.58) 10.561 (0.59) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.003 m/s^2 0.006 m/s^2 9.685 (0.65) 10.999 (0.57) 10.080 (0.62) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.001 m^2 0.034 m 0.068 m 9.685 (0.65) 12.025 (0.52) 11.807 (0.53) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.018 m/s 0.036 m/s 9.685 (0.65) 12.032 (0.52) 11.171 (0.56) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.010 m/s^2 0.020 m/s^2 9.685 (0.65) 15.394 (0.41) 9.244 (0.68) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.079 SM 0.001 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.062 m^2 0.249 m 0.497 m 13.136 (0.48) 12.717 (0.49) 12.638 (0.50) s (rad/s)
Bridge deck: Rel. vert. motion 0.015 m^2 0.124 m 0.248 m 9.685 (0.65) 11.284 (0.56) 10.844 (0.58) s (rad/s)
Bridge deck: Abs. vert. velocity 0.015 m^2/s^2 0.124 m/s 0.247 m/s 13.065 (0.48) 12.416 (0.51) 12.333 (0.51) s (rad/s)
Bridge deck: Rel. vert. velocity 0.005 m^2/s^2 0.072 m/s 0.144 m/s 9.685 (0.65) 11.211 (0.56) 10.239 (0.61) s (rad/s)
Bridge deck: Abs. vert. accel 0.004 m^2/s^4 0.063 m/s^2 0.126 m/s^2 9.685 (0.65) 12.136 (0.52) 12.008 (0.52) s (rad/s)
Bridge deck: Rel. vert. accel 0.002 m^2/s^4 0.044 m/s^2 0.088 m/s^2 9.685 (0.65) 13.775 (0.46) 8.953 (0.70) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.015 m 0.030 m 9.685 (0.65) 11.435 (0.55) 11.077 (0.57) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.009 m/s 0.017 m/s 9.685 (0.65) 10.798 (0.58) 10.561 (0.59) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.005 m/s^2 0.010 m/s^2 9.685 (0.65) 10.999 (0.57) 10.080 (0.62) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.004 m^2 0.062 m 0.124 m 9.685 (0.65) 12.025 (0.52) 11.807 (0.53) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.001 m^2/s^2 0.033 m/s 0.066 m/s 9.685 (0.65) 12.032 (0.52) 11.171 (0.56) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.018 m/s^2 0.037 m/s^2 9.685 (0.65) 15.394 (0.41) 9.244 (0.68) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.079 SM 0.001 % 0.000 % -- -- --

Trial Speed, 18 kn; 1.15 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 2.000 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 1.150 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.251 m^2 0.501 m 1.001 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.251 m^2 0.501 m 1.001 m 9.685 (0.65) 12.417 (0.51) 12.247 (0.51) s (rad/s)
Added resistance 13.994 kN -- -- 9.685 (0.65) 12.330 (0.51) 12.007 (0.52) s (rad/s)
Heave motion 0.181 m^2 0.426 m 0.852 m 13.152 (0.48) 12.837 (0.49) 12.761 (0.49) s (rad/s)
Roll motion 0.00041 rad^2 0.02021 rad 0.04042 rad 12.937 (0.49) 12.018 (0.52) 11.805 (0.53) s (rad/s)
Pitch motion 0.00002 rad^2 0.00492 rad 0.00983 rad 9.685 (0.65) 11.432 (0.55) 11.073 (0.57) s (rad/s)
Heave velocity 0.044 m^2/s^2 0.210 m/s 0.419 m/s 13.081 (0.48) 12.573 (0.50) 12.477 (0.50) s (rad/s)
Roll velocity 0.00012 (rad/s)^2 0.01076 rad/s 0.02151 rad/s 9.685 (0.65) 12.005 (0.52) 11.185 (0.56) s (rad/s)
Pitch velocity 0.00001 (rad/s)^2 0.00279 rad/s 0.00558 rad/s 9.685 (0.65) 10.791 (0.58) 10.558 (0.60) s (rad/s)
Heave acceleration 0.011 m^2/s^4 0.106 m/s^2 0.211 m/s^2 13.009 (0.48) 12.389 (0.51) 12.119 (0.52) s (rad/s)
Roll acceleration 0.00004 (rad/s/s)^2 0.00604 rad/s/s 0.01208 rad/s/s 9.685 (0.65) 15.076 (0.42) 9.340 (0.67) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00166 rad/s/s 0.00332 rad/s/s 9.685 (0.65) 10.977 (0.57) 10.088 (0.62) s (rad/s)
passenger deck aft: Abs. vert. motion 0.190 m^2 0.436 m 0.871 m 13.154 (0.48) 12.864 (0.49) 12.781 (0.49) s (rad/s)
passenger deck aft: Rel. vert. motion 0.048 m^2 0.218 m 0.436 m 9.685 (0.65) 11.113 (0.57) 10.706 (0.59) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.046 m^2/s^2 0.214 m/s 0.428 m/s 13.082 (0.48) 12.599 (0.50) 12.488 (0.50) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.016 m^2/s^2 0.128 m/s 0.256 m/s 9.685 (0.65) 11.016 (0.57) 10.176 (0.62) s (rad/s)
passenger deck aft: Abs. vert. accel 0.012 m^2/s^4 0.108 m/s^2 0.215 m/s^2 13.011 (0.48) 12.465 (0.50) 12.084 (0.52) s (rad/s)
passenger deck aft: Rel. vert. accel 0.006 m^2/s^4 0.079 m/s^2 0.158 m/s^2 9.685 (0.65) 12.958 (0.48) 9.098 (0.69) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.014 m 0.028 m 9.685 (0.65) 11.437 (0.55) 11.079 (0.57) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.008 m/s 0.016 m/s 9.685 (0.65) 10.797 (0.58) 10.564 (0.59) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.005 m/s^2 0.009 m/s^2 9.685 (0.65) 10.984 (0.57) 10.092 (0.62) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.003 m^2 0.056 m 0.113 m 12.942 (0.49) 12.027 (0.52) 11.812 (0.53) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.001 m^2/s^2 0.030 m/s 0.060 m/s 9.685 (0.65) 12.017 (0.52) 11.189 (0.56) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.017 m/s^2 0.034 m/s^2 9.685 (0.65) 15.142 (0.41) 9.327 (0.67) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.169 SM 0.015 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.172 m^2 0.415 m 0.829 m 13.146 (0.48) 12.724 (0.49) 12.645 (0.50) s (rad/s)
passenger deck forward: Rel. vert. motion 0.043 m^2 0.206 m 0.412 m 9.685 (0.65) 11.284 (0.56) 10.846 (0.58) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.042 m^2/s^2 0.206 m/s 0.412 m/s 13.073 (0.48) 12.422 (0.51) 12.339 (0.51) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.014 m^2/s^2 0.119 m/s 0.239 m/s 9.685 (0.65) 11.203 (0.56) 10.246 (0.61) s (rad/s)
passenger deck forward: Abs. vert. accel 0.011 m^2/s^4 0.105 m/s^2 0.210 m/s^2 9.685 (0.65) 12.140 (0.52) 12.014 (0.52) s (rad/s)
passenger deck forward: Rel. vert. accel 0.005 m^2/s^4 0.073 m/s^2 0.147 m/s^2 9.685 (0.65) 13.680 (0.46) 8.986 (0.70) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.014 m 0.028 m 9.685 (0.65) 11.437 (0.55) 11.079 (0.57) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.008 m/s 0.016 m/s 9.685 (0.65) 10.797 (0.58) 10.564 (0.59) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.005 m/s^2 0.009 m/s^2 9.685 (0.65) 10.984 (0.57) 10.092 (0.62) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.003 m^2 0.056 m 0.113 m 12.942 (0.49) 12.027 (0.52) 11.812 (0.53) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.001 m^2/s^2 0.030 m/s 0.060 m/s 9.685 (0.65) 12.017 (0.52) 11.189 (0.56) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.017 m/s^2 0.034 m/s^2 9.685 (0.65) 15.142 (0.41) 9.327 (0.67) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.164 SM 0.015 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.172 m^2 0.415 m 0.829 m 13.146 (0.48) 12.724 (0.49) 12.645 (0.50) s (rad/s)
Bridge deck: Rel. vert. motion 0.043 m^2 0.206 m 0.412 m 9.685 (0.65) 11.284 (0.56) 10.846 (0.58) s (rad/s)
Bridge deck: Abs. vert. velocity 0.042 m^2/s^2 0.206 m/s 0.412 m/s 13.073 (0.48) 12.422 (0.51) 12.339 (0.51) s (rad/s)
Bridge deck: Rel. vert. velocity 0.014 m^2/s^2 0.119 m/s 0.239 m/s 9.685 (0.65) 11.203 (0.56) 10.246 (0.61) s (rad/s)
Bridge deck: Abs. vert. accel 0.011 m^2/s^4 0.105 m/s^2 0.210 m/s^2 9.685 (0.65) 12.140 (0.52) 12.014 (0.52) s (rad/s)
Bridge deck: Rel. vert. accel 0.005 m^2/s^4 0.073 m/s^2 0.147 m/s^2 9.685 (0.65) 13.680 (0.46) 8.986 (0.70) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.001 m^2 0.025 m 0.050 m 9.685 (0.65) 11.437 (0.55) 11.079 (0.57) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.014 m/s 0.028 m/s 9.685 (0.65) 10.797 (0.58) 10.564 (0.59) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.008 m/s^2 0.017 m/s^2 9.685 (0.65) 10.984 (0.57) 10.092 (0.62) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.011 m^2 0.103 m 0.206 m 12.942 (0.49) 12.027 (0.52) 11.812 (0.53) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.003 m^2/s^2 0.055 m/s 0.109 m/s 9.685 (0.65) 12.017 (0.52) 11.189 (0.56) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.001 m^2/s^4 0.031 m/s^2 0.061 m/s^2 9.685 (0.65) 15.142 (0.41) 9.327 (0.67) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.164 SM 0.015 % 0.000 % -- -- --

Trial Speed, 18 kn; 1.77 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.956 s -- -- -- -- --
Characteristic wave height 0.300 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 1.770 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.006 m^2 0.075 m 0.150 m 9.960 (0.63) 8.340 (0.75) 7.849 (0.80) s (rad/s)
Encountered wave spectrum 0.006 m^2 0.075 m 0.150 m 8.916 (0.70) 7.195 (0.87) 6.555 (0.96) s (rad/s)
Added resistance 0.246 kN -- -- 8.846 (0.71) 6.817 (0.92) 6.159 (1.02) s (rad/s)
Heave motion 0.004 m^2 0.060 m 0.120 m 8.950 (0.70) 8.418 (0.75) 8.260 (0.76) s (rad/s)
Roll motion 0.00001 rad^2 0.00351 rad 0.00702 rad 8.711 (0.72) 6.827 (0.92) 6.532 (0.96) s (rad/s)
Pitch motion 0.00000 rad^2 0.00116 rad 0.00232 rad 8.877 (0.71) 8.024 (0.78) 7.827 (0.80) s (rad/s)
Heave velocity 0.002 m^2/s^2 0.046 m/s 0.091 m/s 8.846 (0.71) 7.739 (0.81) 7.513 (0.84) s (rad/s)
Roll velocity 0.00001 (rad/s)^2 0.00338 rad/s 0.00675 rad/s 8.577 (0.73) 5.596 (1.12) 5.240 (1.20) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00093 rad/s 0.00186 rad/s 8.754 (0.72) 7.151 (0.88) 6.832 (0.92) s (rad/s)
Heave acceleration 0.001 m^2/s^4 0.038 m/s^2 0.076 m/s^2 8.717 (0.72) 6.719 (0.94) 6.323 (0.99) s (rad/s)
Roll acceleration 0.00002 (rad/s/s)^2 0.00405 rad/s/s 0.00809 rad/s/s 5.544 (1.13) 4.261 (1.47) 3.984 (1.58) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00086 rad/s/s 0.00171 rad/s/s 8.626 (0.73) 5.733 (1.10) 5.239 (1.20) s (rad/s)
passenger deck aft: Abs. vert. motion 0.005 m^2 0.068 m 0.135 m 8.944 (0.70) 8.366 (0.75) 8.204 (0.77) s (rad/s)
passenger deck aft: Rel. vert. motion 0.001 m^2 0.026 m 0.053 m 4.167 (1.51) 3.932 (1.60) 3.587 (1.75) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.003 m^2/s^2 0.052 m/s 0.103 m/s 8.835 (0.71) 7.667 (0.82) 7.430 (0.85) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.002 m^2/s^2 0.046 m/s 0.093 m/s 3.727 (1.69) 2.637 (2.38) 2.346 (2.68) s (rad/s)
passenger deck aft: Abs. vert. accel 0.002 m^2/s^4 0.044 m/s^2 0.087 m/s^2 8.705 (0.72) 6.590 (0.95) 6.169 (1.02) s (rad/s)
passenger deck aft: Rel. vert. accel 0.015 m^2/s^4 0.124 m/s^2 0.248 m/s^2 3.338 (1.88) 1.689 (3.72) 1.561 (4.03) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.003 m 0.006 m 8.910 (0.71) 8.022 (0.78) 7.825 (0.80) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.005 m/s 8.780 (0.72) 7.145 (0.88) 6.825 (0.92) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.002 m/s^2 0.005 m/s^2 8.645 (0.73) 5.718 (1.10) 5.222 (1.20) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.010 m 0.020 m 8.707 (0.72) 6.842 (0.92) 6.547 (0.96) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.009 m/s 0.019 m/s 8.573 (0.73) 5.605 (1.12) 5.246 (1.20) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.011 m/s^2 0.023 m/s^2 5.660 (1.11) 4.260 (1.47) 3.982 (1.58) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.068 SM 0.002 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.002 m^2 0.046 m 0.092 m 8.971 (0.70) 8.565 (0.73) 8.416 (0.75) s (rad/s)
passenger deck forward: Rel. vert. motion 0.002 m^2 0.043 m 0.087 m 8.804 (0.71) 5.725 (1.10) 5.052 (1.24) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.001 m^2/s^2 0.034 m/s 0.069 m/s 8.877 (0.71) 7.936 (0.79) 7.737 (0.81) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.003 m^2/s^2 0.054 m/s 0.108 m/s 8.675 (0.72) 3.205 (1.96) 2.697 (2.33) s (rad/s)
passenger deck forward: Abs. vert. accel 0.001 m^2/s^4 0.028 m/s^2 0.056 m/s^2 8.749 (0.72) 7.067 (0.89) 6.755 (0.93) s (rad/s)
passenger deck forward: Rel. vert. accel 0.016 m^2/s^4 0.125 m/s^2 0.251 m/s^2 3.537 (1.78) 1.726 (3.64) 1.579 (3.98) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.003 m 0.006 m 8.910 (0.71) 8.022 (0.78) 7.825 (0.80) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.005 m/s 8.780 (0.72) 7.145 (0.88) 6.825 (0.92) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.002 m/s^2 0.005 m/s^2 8.645 (0.73) 5.718 (1.10) 5.222 (1.20) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.010 m 0.020 m 8.707 (0.72) 6.842 (0.92) 6.547 (0.96) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.009 m/s 0.019 m/s 8.573 (0.73) 5.605 (1.12) 5.246 (1.20) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.011 m/s^2 0.023 m/s^2 5.660 (1.11) 4.260 (1.47) 3.982 (1.58) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.035 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.002 m^2 0.046 m 0.092 m 8.971 (0.70) 8.565 (0.73) 8.416 (0.75) s (rad/s)
Bridge deck: Rel. vert. motion 0.002 m^2 0.043 m 0.087 m 8.804 (0.71) 5.725 (1.10) 5.052 (1.24) s (rad/s)
Bridge deck: Abs. vert. velocity 0.001 m^2/s^2 0.034 m/s 0.069 m/s 8.877 (0.71) 7.936 (0.79) 7.737 (0.81) s (rad/s)
Bridge deck: Rel. vert. velocity 0.003 m^2/s^2 0.054 m/s 0.108 m/s 8.675 (0.72) 3.205 (1.96) 2.697 (2.33) s (rad/s)
Bridge deck: Abs. vert. accel 0.001 m^2/s^4 0.028 m/s^2 0.056 m/s^2 8.749 (0.72) 7.067 (0.89) 6.755 (0.93) s (rad/s)
Bridge deck: Rel. vert. accel 0.016 m^2/s^4 0.125 m/s^2 0.251 m/s^2 3.537 (1.78) 1.726 (3.64) 1.579 (3.98) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.006 m 0.012 m 8.910 (0.71) 8.022 (0.78) 7.825 (0.80) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.009 m/s 8.780 (0.72) 7.145 (0.88) 6.825 (0.92) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.004 m/s^2 0.009 m/s^2 8.645 (0.73) 5.718 (1.10) 5.222 (1.20) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.018 m 0.036 m 8.707 (0.72) 6.842 (0.92) 6.547 (0.96) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.017 m/s 0.034 m/s 8.573 (0.73) 5.605 (1.12) 5.246 (1.20) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.021 m/s^2 0.041 m/s^2 5.660 (1.11) 4.260 (1.47) 3.982 (1.58) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.035 SM 0.000 % 0.000 % -- -- --

Trial Speed, 18 kn; 1.77 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 1.770 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 8.934 (0.70) 7.210 (0.87) 6.569 (0.96) s (rad/s)
Added resistance 0.984 kN -- -- 8.865 (0.71) 6.830 (0.92) 6.170 (1.02) s (rad/s)
Heave motion 0.014 m^2 0.120 m 0.240 m 8.970 (0.70) 8.432 (0.75) 8.274 (0.76) s (rad/s)
Roll motion 0.00005 rad^2 0.00700 rad 0.01401 rad 8.730 (0.72) 6.833 (0.92) 6.538 (0.96) s (rad/s)
Pitch motion 0.00001 rad^2 0.00232 rad 0.00464 rad 8.894 (0.71) 8.036 (0.78) 7.839 (0.80) s (rad/s)
Heave velocity 0.008 m^2/s^2 0.091 m/s 0.182 m/s 8.863 (0.71) 7.751 (0.81) 7.523 (0.84) s (rad/s)
Roll velocity 0.00005 (rad/s)^2 0.00673 rad/s 0.01346 rad/s 8.594 (0.73) 5.599 (1.12) 5.242 (1.20) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00186 rad/s 0.00372 rad/s 8.771 (0.72) 7.159 (0.88) 6.840 (0.92) s (rad/s)
Heave acceleration 0.006 m^2/s^4 0.076 m/s^2 0.152 m/s^2 8.734 (0.72) 6.726 (0.93) 6.329 (0.99) s (rad/s)
Roll acceleration 0.00007 (rad/s/s)^2 0.00807 rad/s/s 0.01613 rad/s/s 5.556 (1.13) 4.262 (1.47) 3.985 (1.58) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00171 rad/s/s 0.00341 rad/s/s 8.645 (0.73) 5.738 (1.09) 5.243 (1.20) s (rad/s)
passenger deck aft: Abs. vert. motion 0.018 m^2 0.135 m 0.270 m 8.963 (0.70) 8.380 (0.75) 8.218 (0.76) s (rad/s)
passenger deck aft: Rel. vert. motion 0.003 m^2 0.053 m 0.106 m 4.177 (1.50) 3.935 (1.60) 3.589 (1.75) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.011 m^2/s^2 0.103 m/s 0.207 m/s 8.853 (0.71) 7.678 (0.82) 7.439 (0.84) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.009 m^2/s^2 0.092 m/s 0.185 m/s 3.736 (1.68) 2.640 (2.38) 2.349 (2.67) s (rad/s)
passenger deck aft: Abs. vert. accel 0.008 m^2/s^4 0.087 m/s^2 0.174 m/s^2 8.724 (0.72) 6.597 (0.95) 6.174 (1.02) s (rad/s)
passenger deck aft: Rel. vert. accel 0.061 m^2/s^4 0.247 m/s^2 0.494 m/s^2 3.346 (1.88) 1.693 (3.71) 1.565 (4.02) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.006 m 0.013 m 8.930 (0.70) 8.034 (0.78) 7.836 (0.80) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.010 m/s 8.799 (0.71) 7.154 (0.88) 6.832 (0.92) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.005 m/s^2 0.009 m/s^2 8.664 (0.73) 5.723 (1.10) 5.226 (1.20) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.020 m 0.039 m 8.724 (0.72) 6.849 (0.92) 6.552 (0.96) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.019 m/s 0.038 m/s 8.592 (0.73) 5.608 (1.12) 5.249 (1.20) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.001 m^2/s^4 0.022 m/s^2 0.045 m/s^2 5.614 (1.12) 4.262 (1.47) 3.983 (1.58) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.184 SM 0.040 % 0.002 % -- -- --
passenger deck forward: Abs. vert. motion 0.008 m^2 0.092 m 0.184 m 8.989 (0.70) 8.580 (0.73) 8.431 (0.75) s (rad/s)
passenger deck forward: Rel. vert. motion 0.007 m^2 0.086 m 0.173 m 8.824 (0.71) 5.734 (1.10) 5.060 (1.24) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.005 m^2/s^2 0.069 m/s 0.137 m/s 8.894 (0.71) 7.948 (0.79) 7.748 (0.81) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.012 m^2/s^2 0.107 m/s 0.215 m/s 8.692 (0.72) 3.210 (1.96) 2.702 (2.33) s (rad/s)
passenger deck forward: Abs. vert. accel 0.003 m^2/s^4 0.056 m/s^2 0.111 m/s^2 8.767 (0.72) 7.075 (0.89) 6.762 (0.93) s (rad/s)
passenger deck forward: Rel. vert. accel 0.062 m^2/s^4 0.249 m/s^2 0.499 m/s^2 3.545 (1.77) 1.730 (3.63) 1.583 (3.97) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.006 m 0.013 m 8.930 (0.70) 8.034 (0.78) 7.836 (0.80) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.010 m/s 8.799 (0.71) 7.154 (0.88) 6.832 (0.92) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.005 m/s^2 0.009 m/s^2 8.664 (0.73) 5.723 (1.10) 5.226 (1.20) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.020 m 0.039 m 8.724 (0.72) 6.849 (0.92) 6.552 (0.96) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.019 m/s 0.038 m/s 8.592 (0.73) 5.608 (1.12) 5.249 (1.20) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.001 m^2/s^4 0.022 m/s^2 0.045 m/s^2 5.614 (1.12) 4.262 (1.47) 3.983 (1.58) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.095 SM 0.006 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.008 m^2 0.092 m 0.184 m 8.989 (0.70) 8.580 (0.73) 8.431 (0.75) s (rad/s)
Bridge deck: Rel. vert. motion 0.007 m^2 0.086 m 0.173 m 8.824 (0.71) 5.734 (1.10) 5.060 (1.24) s (rad/s)
Bridge deck: Abs. vert. velocity 0.005 m^2/s^2 0.069 m/s 0.137 m/s 8.894 (0.71) 7.948 (0.79) 7.748 (0.81) s (rad/s)
Bridge deck: Rel. vert. velocity 0.012 m^2/s^2 0.107 m/s 0.215 m/s 8.692 (0.72) 3.210 (1.96) 2.702 (2.33) s (rad/s)
Bridge deck: Abs. vert. accel 0.003 m^2/s^4 0.056 m/s^2 0.111 m/s^2 8.767 (0.72) 7.075 (0.89) 6.762 (0.93) s (rad/s)
Bridge deck: Rel. vert. accel 0.062 m^2/s^4 0.249 m/s^2 0.499 m/s^2 3.545 (1.77) 1.730 (3.63) 1.583 (3.97) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.012 m 0.023 m 8.930 (0.70) 8.034 (0.78) 7.836 (0.80) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.009 m/s 0.019 m/s 8.799 (0.71) 7.154 (0.88) 6.832 (0.92) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.009 m/s^2 0.017 m/s^2 8.664 (0.73) 5.723 (1.10) 5.226 (1.20) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.001 m^2 0.036 m 0.071 m 8.724 (0.72) 6.849 (0.92) 6.552 (0.96) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.001 m^2/s^2 0.034 m/s 0.068 m/s 8.592 (0.73) 5.608 (1.12) 5.249 (1.20) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.002 m^2/s^4 0.041 m/s^2 0.082 m/s^2 5.614 (1.12) 4.262 (1.47) 3.983 (1.58) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.095 SM 0.006 % 0.000 % -- -- --

Trial Speed, 18 kn; 1.77 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.965 s -- -- -- -- --
Characteristic wave height 1.200 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 1.770 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.090 m^2 0.300 m 0.601 m 9.969 (0.63) 8.348 (0.75) 7.856 (0.80) s (rad/s)
Encountered wave spectrum 0.090 m^2 0.300 m 0.601 m 8.923 (0.70) 7.202 (0.87) 6.562 (0.96) s (rad/s)
Added resistance 3.941 kN -- -- 8.854 (0.71) 6.823 (0.92) 6.164 (1.02) s (rad/s)
Heave motion 0.058 m^2 0.240 m 0.480 m 8.959 (0.70) 8.424 (0.75) 8.266 (0.76) s (rad/s)
Roll motion 0.00020 rad^2 0.01402 rad 0.02805 rad 8.720 (0.72) 6.830 (0.92) 6.535 (0.96) s (rad/s)
Pitch motion 0.00002 rad^2 0.00464 rad 0.00927 rad 8.886 (0.71) 8.029 (0.78) 7.833 (0.80) s (rad/s)
Heave velocity 0.033 m^2/s^2 0.182 m/s 0.365 m/s 8.854 (0.71) 7.745 (0.81) 7.518 (0.84) s (rad/s)
Roll velocity 0.00018 (rad/s)^2 0.01348 rad/s 0.02696 rad/s 8.585 (0.73) 5.597 (1.12) 5.241 (1.20) s (rad/s)
Pitch velocity 0.00001 (rad/s)^2 0.00372 rad/s 0.00744 rad/s 8.762 (0.72) 7.155 (0.88) 6.836 (0.92) s (rad/s)
Heave acceleration 0.023 m^2/s^4 0.152 m/s^2 0.305 m/s^2 8.726 (0.72) 6.723 (0.93) 6.326 (0.99) s (rad/s)
Roll acceleration 0.00026 (rad/s/s)^2 0.01616 rad/s/s 0.03232 rad/s/s 5.550 (1.13) 4.262 (1.47) 3.984 (1.58) s (rad/s)
Pitch acceleration 0.00001 (rad/s/s)^2 0.00342 rad/s/s 0.00683 rad/s/s 8.634 (0.73) 5.736 (1.10) 5.241 (1.20) s (rad/s)
passenger deck aft: Abs. vert. motion 0.073 m^2 0.270 m 0.540 m 8.953 (0.70) 8.373 (0.75) 8.211 (0.77) s (rad/s)
passenger deck aft: Rel. vert. motion 0.011 m^2 0.106 m 0.212 m 4.172 (1.51) 3.933 (1.60) 3.588 (1.75) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.043 m^2/s^2 0.207 m/s 0.413 m/s 8.844 (0.71) 7.672 (0.82) 7.434 (0.85) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.034 m^2/s^2 0.185 m/s 0.370 m/s 3.732 (1.68) 2.639 (2.38) 2.348 (2.68) s (rad/s)
passenger deck aft: Abs. vert. accel 0.031 m^2/s^4 0.175 m/s^2 0.349 m/s^2 8.714 (0.72) 6.593 (0.95) 6.171 (1.02) s (rad/s)
passenger deck aft: Rel. vert. accel 0.246 m^2/s^4 0.496 m/s^2 0.991 m/s^2 3.342 (1.88) 1.691 (3.72) 1.563 (4.02) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.013 m 0.026 m 8.919 (0.70) 8.027 (0.78) 7.830 (0.80) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.010 m/s 0.021 m/s 8.789 (0.71) 7.149 (0.88) 6.828 (0.92) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.009 m/s^2 0.019 m/s^2 8.654 (0.73) 5.720 (1.10) 5.224 (1.20) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.002 m^2 0.039 m 0.078 m 8.716 (0.72) 6.845 (0.92) 6.549 (0.96) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.001 m^2/s^2 0.038 m/s 0.075 m/s 8.581 (0.73) 5.606 (1.12) 5.247 (1.20) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.002 m^2/s^4 0.045 m/s^2 0.090 m/s^2 5.666 (1.11) 4.261 (1.47) 3.982 (1.58) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.496 SM 0.464 % 0.076 % -- -- --
passenger deck forward: Abs. vert. motion 0.034 m^2 0.184 m 0.368 m 8.978 (0.70) 8.572 (0.73) 8.423 (0.75) s (rad/s)
passenger deck forward: Rel. vert. motion 0.030 m^2 0.173 m 0.346 m 8.813 (0.71) 5.729 (1.10) 5.056 (1.24) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.019 m^2/s^2 0.137 m/s 0.274 m/s 8.883 (0.71) 7.941 (0.79) 7.742 (0.81) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.046 m^2/s^2 0.215 m/s 0.430 m/s 8.684 (0.72) 3.207 (1.96) 2.699 (2.33) s (rad/s)
passenger deck forward: Abs. vert. accel 0.012 m^2/s^4 0.111 m/s^2 0.223 m/s^2 8.758 (0.72) 7.071 (0.89) 6.758 (0.93) s (rad/s)
passenger deck forward: Rel. vert. accel 0.250 m^2/s^4 0.500 m/s^2 1.001 m/s^2 3.541 (1.77) 1.728 (3.64) 1.581 (3.97) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.013 m 0.026 m 8.919 (0.70) 8.027 (0.78) 7.830 (0.80) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.010 m/s 0.021 m/s 8.789 (0.71) 7.149 (0.88) 6.828 (0.92) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.009 m/s^2 0.019 m/s^2 8.654 (0.73) 5.720 (1.10) 5.224 (1.20) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.002 m^2 0.039 m 0.078 m 8.716 (0.72) 6.845 (0.92) 6.549 (0.96) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.001 m^2/s^2 0.038 m/s 0.075 m/s 8.581 (0.73) 5.606 (1.12) 5.247 (1.20) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.002 m^2/s^4 0.045 m/s^2 0.090 m/s^2 5.666 (1.11) 4.261 (1.47) 3.982 (1.58) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.256 SM 0.094 % 0.008 % -- -- --
Bridge deck: Abs. vert. motion 0.034 m^2 0.184 m 0.368 m 8.978 (0.70) 8.572 (0.73) 8.423 (0.75) s (rad/s)
Bridge deck: Rel. vert. motion 0.030 m^2 0.173 m 0.346 m 8.813 (0.71) 5.729 (1.10) 5.056 (1.24) s (rad/s)
Bridge deck: Abs. vert. velocity 0.019 m^2/s^2 0.137 m/s 0.274 m/s 8.883 (0.71) 7.941 (0.79) 7.742 (0.81) s (rad/s)
Bridge deck: Rel. vert. velocity 0.046 m^2/s^2 0.215 m/s 0.430 m/s 8.684 (0.72) 3.207 (1.96) 2.699 (2.33) s (rad/s)
Bridge deck: Abs. vert. accel 0.012 m^2/s^4 0.111 m/s^2 0.223 m/s^2 8.758 (0.72) 7.071 (0.89) 6.758 (0.93) s (rad/s)
Bridge deck: Rel. vert. accel 0.250 m^2/s^4 0.500 m/s^2 1.001 m/s^2 3.541 (1.77) 1.728 (3.64) 1.581 (3.97) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.001 m^2 0.023 m 0.047 m 8.919 (0.70) 8.027 (0.78) 7.830 (0.80) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.019 m/s 0.037 m/s 8.789 (0.71) 7.149 (0.88) 6.828 (0.92) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.017 m/s^2 0.034 m/s^2 8.654 (0.73) 5.720 (1.10) 5.224 (1.20) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.005 m^2 0.071 m 0.143 m 8.716 (0.72) 6.845 (0.92) 6.549 (0.96) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.005 m^2/s^2 0.069 m/s 0.137 m/s 8.581 (0.73) 5.606 (1.12) 5.247 (1.20) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.007 m^2/s^4 0.082 m/s^2 0.164 m/s^2 5.666 (1.11) 4.261 (1.47) 3.982 (1.58) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.256 SM 0.094 % 0.008 % -- -- --

Trial Speed, 18 kn; 1.77 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 2.000 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 1.770 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.251 m^2 0.501 m 1.001 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.251 m^2 0.501 m 1.001 m 8.934 (0.70) 7.210 (0.87) 6.569 (0.96) s (rad/s)
Added resistance 10.936 kN -- -- 8.865 (0.71) 6.830 (0.92) 6.170 (1.02) s (rad/s)
Heave motion 0.160 m^2 0.400 m 0.800 m 8.970 (0.70) 8.432 (0.75) 8.274 (0.76) s (rad/s)
Roll motion 0.00055 rad^2 0.02335 rad 0.04670 rad 8.730 (0.72) 6.833 (0.92) 6.538 (0.96) s (rad/s)
Pitch motion 0.00006 rad^2 0.00773 rad 0.01545 rad 8.894 (0.71) 8.036 (0.78) 7.839 (0.80) s (rad/s)
Heave velocity 0.092 m^2/s^2 0.304 m/s 0.608 m/s 8.863 (0.71) 7.751 (0.81) 7.523 (0.84) s (rad/s)
Roll velocity 0.00050 (rad/s)^2 0.02244 rad/s 0.04487 rad/s 8.594 (0.73) 5.599 (1.12) 5.242 (1.20) s (rad/s)
Pitch velocity 0.00004 (rad/s)^2 0.00619 rad/s 0.01239 rad/s 8.771 (0.72) 7.159 (0.88) 6.840 (0.92) s (rad/s)
Heave acceleration 0.064 m^2/s^4 0.254 m/s^2 0.507 m/s^2 8.734 (0.72) 6.726 (0.93) 6.329 (0.99) s (rad/s)
Roll acceleration 0.00072 (rad/s/s)^2 0.02689 rad/s/s 0.05378 rad/s/s 5.556 (1.13) 4.262 (1.47) 3.985 (1.58) s (rad/s)
Pitch acceleration 0.00003 (rad/s/s)^2 0.00569 rad/s/s 0.01138 rad/s/s 8.645 (0.73) 5.738 (1.09) 5.243 (1.20) s (rad/s)
passenger deck aft: Abs. vert. motion 0.203 m^2 0.451 m 0.901 m 8.963 (0.70) 8.380 (0.75) 8.218 (0.76) s (rad/s)
passenger deck aft: Rel. vert. motion 0.031 m^2 0.176 m 0.352 m 4.177 (1.50) 3.935 (1.60) 3.589 (1.75) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.119 m^2/s^2 0.344 m/s 0.689 m/s 8.853 (0.71) 7.678 (0.82) 7.439 (0.84) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.095 m^2/s^2 0.308 m/s 0.616 m/s 3.736 (1.68) 2.640 (2.38) 2.349 (2.67) s (rad/s)
passenger deck aft: Abs. vert. accel 0.085 m^2/s^4 0.291 m/s^2 0.582 m/s^2 8.724 (0.72) 6.597 (0.95) 6.174 (1.02) s (rad/s)
passenger deck aft: Rel. vert. accel 0.679 m^2/s^4 0.824 m/s^2 1.647 m/s^2 3.346 (1.88) 1.693 (3.71) 1.565 (4.02) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.021 m 0.043 m 8.930 (0.70) 8.034 (0.78) 7.836 (0.80) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.017 m/s 0.034 m/s 8.799 (0.71) 7.154 (0.88) 6.832 (0.92) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.016 m/s^2 0.031 m/s^2 8.664 (0.73) 5.723 (1.10) 5.226 (1.20) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.004 m^2 0.065 m 0.130 m 8.724 (0.72) 6.849 (0.92) 6.552 (0.96) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.004 m^2/s^2 0.063 m/s 0.125 m/s 8.592 (0.73) 5.608 (1.12) 5.249 (1.20) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.006 m^2/s^4 0.075 m/s^2 0.150 m/s^2 5.614 (1.12) 4.262 (1.47) 3.983 (1.58) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 1.028 SM 2.028 % 0.593 % -- -- --
passenger deck forward: Abs. vert. motion 0.094 m^2 0.307 m 0.614 m 8.989 (0.70) 8.580 (0.73) 8.431 (0.75) s (rad/s)
passenger deck forward: Rel. vert. motion 0.083 m^2 0.288 m 0.576 m 8.824 (0.71) 5.734 (1.10) 5.060 (1.24) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.052 m^2/s^2 0.229 m/s 0.457 m/s 8.894 (0.71) 7.948 (0.79) 7.748 (0.81) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.128 m^2/s^2 0.358 m/s 0.715 m/s 8.692 (0.72) 3.210 (1.96) 2.702 (2.33) s (rad/s)
passenger deck forward: Abs. vert. accel 0.034 m^2/s^4 0.185 m/s^2 0.371 m/s^2 8.767 (0.72) 7.075 (0.89) 6.762 (0.93) s (rad/s)
passenger deck forward: Rel. vert. accel 0.691 m^2/s^4 0.831 m/s^2 1.663 m/s^2 3.545 (1.77) 1.730 (3.63) 1.583 (3.97) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.021 m 0.043 m 8.930 (0.70) 8.034 (0.78) 7.836 (0.80) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.017 m/s 0.034 m/s 8.799 (0.71) 7.154 (0.88) 6.832 (0.92) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.016 m/s^2 0.031 m/s^2 8.664 (0.73) 5.723 (1.10) 5.226 (1.20) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.004 m^2 0.065 m 0.130 m 8.724 (0.72) 6.849 (0.92) 6.552 (0.96) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.004 m^2/s^2 0.063 m/s 0.125 m/s 8.592 (0.73) 5.608 (1.12) 5.249 (1.20) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.006 m^2/s^4 0.075 m/s^2 0.150 m/s^2 5.614 (1.12) 4.262 (1.47) 3.983 (1.58) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.530 SM 0.533 % 0.091 % -- -- --
Bridge deck: Abs. vert. motion 0.094 m^2 0.307 m 0.614 m 8.989 (0.70) 8.580 (0.73) 8.431 (0.75) s (rad/s)
Bridge deck: Rel. vert. motion 0.083 m^2 0.288 m 0.576 m 8.824 (0.71) 5.734 (1.10) 5.060 (1.24) s (rad/s)
Bridge deck: Abs. vert. velocity 0.052 m^2/s^2 0.229 m/s 0.457 m/s 8.894 (0.71) 7.948 (0.79) 7.748 (0.81) s (rad/s)
Bridge deck: Rel. vert. velocity 0.128 m^2/s^2 0.358 m/s 0.715 m/s 8.692 (0.72) 3.210 (1.96) 2.702 (2.33) s (rad/s)
Bridge deck: Abs. vert. accel 0.034 m^2/s^4 0.185 m/s^2 0.371 m/s^2 8.767 (0.72) 7.075 (0.89) 6.762 (0.93) s (rad/s)
Bridge deck: Rel. vert. accel 0.691 m^2/s^4 0.831 m/s^2 1.663 m/s^2 3.545 (1.77) 1.730 (3.63) 1.583 (3.97) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.002 m^2 0.039 m 0.078 m 8.930 (0.70) 8.034 (0.78) 7.836 (0.80) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.001 m^2/s^2 0.031 m/s 0.062 m/s 8.799 (0.71) 7.154 (0.88) 6.832 (0.92) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.001 m^2/s^4 0.029 m/s^2 0.057 m/s^2 8.664 (0.73) 5.723 (1.10) 5.226 (1.20) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.014 m^2 0.119 m 0.238 m 8.724 (0.72) 6.849 (0.92) 6.552 (0.96) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.013 m^2/s^2 0.114 m/s 0.228 m/s 8.592 (0.73) 5.608 (1.12) 5.249 (1.20) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.019 m^2/s^4 0.136 m/s^2 0.273 m/s^2 5.614 (1.12) 4.262 (1.47) 3.983 (1.58) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.530 SM 0.533 % 0.091 % -- -- --

Trial Speed, 18 kn; beam seea, 2.035 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.956 s -- -- -- -- --
Characteristic wave height 0.300 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 2.035 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.006 m^2 0.075 m 0.150 m 9.960 (0.63) 8.340 (0.75) 7.849 (0.80) s (rad/s)
Encountered wave spectrum 0.006 m^2 0.075 m 0.150 m 7.872 (0.80) 6.131 (1.02) 5.390 (1.17) s (rad/s)
Added resistance 0.241 kN -- -- 7.797 (0.81) 6.112 (1.03) 5.557 (1.13) s (rad/s)
Heave motion 0.004 m^2 0.061 m 0.123 m 7.894 (0.80) 7.336 (0.86) 7.167 (0.88) s (rad/s)
Roll motion 0.00001 rad^2 0.00337 rad 0.00675 rad 7.656 (0.82) 5.897 (1.07) 5.668 (1.11) s (rad/s)
Pitch motion 0.00000 rad^2 0.00107 rad 0.00214 rad 7.793 (0.81) 6.601 (0.95) 6.361 (0.99) s (rad/s)
Heave velocity 0.003 m^2/s^2 0.054 m/s 0.108 m/s 7.777 (0.81) 6.616 (0.95) 6.388 (0.98) s (rad/s)
Roll velocity 0.00001 (rad/s)^2 0.00374 rad/s 0.00748 rad/s 7.527 (0.83) 4.982 (1.26) 4.738 (1.33) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00106 rad/s 0.00211 rad/s 7.654 (0.82) 5.601 (1.12) 5.308 (1.18) s (rad/s)
Heave acceleration 0.003 m^2/s^4 0.053 m/s^2 0.106 m/s^2 7.641 (0.82) 5.640 (1.11) 5.315 (1.18) s (rad/s)
Roll acceleration 0.00002 (rad/s/s)^2 0.00496 rad/s/s 0.00992 rad/s/s 4.493 (1.40) 4.020 (1.56) 3.769 (1.67) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00125 rad/s/s 0.00250 rad/s/s 7.528 (0.83) 4.445 (1.41) 4.140 (1.52) s (rad/s)
passenger deck aft: Abs. vert. motion 0.005 m^2 0.068 m 0.137 m 7.886 (0.80) 7.276 (0.86) 7.100 (0.88) s (rad/s)
passenger deck aft: Rel. vert. motion 0.001 m^2 0.027 m 0.054 m 3.536 (1.78) 3.177 (1.98) 2.808 (2.24) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.004 m^2/s^2 0.061 m/s 0.121 m/s 7.764 (0.81) 6.524 (0.96) 6.283 (1.00) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.004 m^2/s^2 0.061 m/s 0.122 m/s 3.024 (2.08) 1.840 (3.41) 1.578 (3.98) s (rad/s)
passenger deck aft: Abs. vert. accel 0.004 m^2/s^4 0.061 m/s^2 0.121 m/s^2 7.625 (0.82) 5.490 (1.14) 5.147 (1.22) s (rad/s)
passenger deck aft: Rel. vert. accel 0.059 m^2/s^4 0.242 m/s^2 0.484 m/s^2 0.639 (9.84) 1.062 (5.92) 0.983 (6.39) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.003 m 0.006 m 7.775 (0.81) 6.599 (0.95) 6.359 (0.99) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.006 m/s 7.635 (0.82) 5.598 (1.12) 5.305 (1.18) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.003 m/s^2 0.007 m/s^2 7.559 (0.83) 4.441 (1.41) 4.136 (1.52) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.009 m 0.019 m 7.670 (0.82) 5.906 (1.06) 5.676 (1.11) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.010 m/s 0.021 m/s 7.517 (0.84) 4.989 (1.26) 4.744 (1.32) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.014 m/s^2 0.028 m/s^2 4.493 (1.40) 4.021 (1.56) 3.770 (1.67) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.114 SM 0.010 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.002 m^2 0.048 m 0.097 m 7.916 (0.79) 7.463 (0.84) 7.304 (0.86) s (rad/s)
passenger deck forward: Rel. vert. motion 0.002 m^2 0.047 m 0.093 m 7.748 (0.81) 4.826 (1.30) 4.136 (1.52) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.002 m^2/s^2 0.042 m/s 0.083 m/s 7.811 (0.80) 6.794 (0.92) 6.591 (0.95) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.005 m^2/s^2 0.071 m/s 0.142 m/s 7.610 (0.83) 2.291 (2.74) 1.838 (3.42) s (rad/s)
passenger deck forward: Abs. vert. accel 0.002 m^2/s^4 0.040 m/s^2 0.079 m/s^2 7.677 (0.82) 5.945 (1.06) 5.685 (1.11) s (rad/s)
passenger deck forward: Rel. vert. accel 0.059 m^2/s^4 0.242 m/s^2 0.484 m/s^2 0.639 (9.84) 1.086 (5.79) 0.997 (6.30) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.003 m 0.006 m 7.775 (0.81) 6.599 (0.95) 6.359 (0.99) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.006 m/s 7.635 (0.82) 5.598 (1.12) 5.305 (1.18) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.003 m/s^2 0.007 m/s^2 7.559 (0.83) 4.441 (1.41) 4.136 (1.52) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.009 m 0.019 m 7.670 (0.82) 5.906 (1.06) 5.676 (1.11) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.010 m/s 0.021 m/s 7.517 (0.84) 4.989 (1.26) 4.744 (1.32) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.014 m/s^2 0.028 m/s^2 4.493 (1.40) 4.021 (1.56) 3.770 (1.67) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.062 SM 0.001 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.002 m^2 0.048 m 0.097 m 7.916 (0.79) 7.463 (0.84) 7.304 (0.86) s (rad/s)
Bridge deck: Rel. vert. motion 0.002 m^2 0.047 m 0.093 m 7.748 (0.81) 4.826 (1.30) 4.136 (1.52) s (rad/s)
Bridge deck: Abs. vert. velocity 0.002 m^2/s^2 0.042 m/s 0.083 m/s 7.811 (0.80) 6.794 (0.92) 6.591 (0.95) s (rad/s)
Bridge deck: Rel. vert. velocity 0.005 m^2/s^2 0.071 m/s 0.142 m/s 7.610 (0.83) 2.291 (2.74) 1.838 (3.42) s (rad/s)
Bridge deck: Abs. vert. accel 0.002 m^2/s^4 0.040 m/s^2 0.079 m/s^2 7.677 (0.82) 5.945 (1.06) 5.685 (1.11) s (rad/s)
Bridge deck: Rel. vert. accel 0.059 m^2/s^4 0.242 m/s^2 0.484 m/s^2 0.639 (9.84) 1.086 (5.79) 0.997 (6.30) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.005 m 0.011 m 7.775 (0.81) 6.599 (0.95) 6.359 (0.99) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.011 m/s 7.635 (0.82) 5.598 (1.12) 5.305 (1.18) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.006 m/s^2 0.013 m/s^2 7.559 (0.83) 4.441 (1.41) 4.136 (1.52) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.017 m 0.034 m 7.670 (0.82) 5.906 (1.06) 5.676 (1.11) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.019 m/s 0.038 m/s 7.517 (0.84) 4.989 (1.26) 4.744 (1.32) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.001 m^2/s^4 0.025 m/s^2 0.050 m/s^2 4.493 (1.40) 4.021 (1.56) 3.770 (1.67) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.062 SM 0.001 % 0.000 % -- -- --

Trial Speed, 18 kn; beam seea, 2.035 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 2.035 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 7.891 (0.80) 6.146 (1.02) 5.403 (1.16) s (rad/s)
Added resistance 0.964 kN -- -- 7.816 (0.80) 6.124 (1.03) 5.567 (1.13) s (rad/s)
Heave motion 0.015 m^2 0.123 m 0.246 m 7.913 (0.79) 7.350 (0.85) 7.180 (0.88) s (rad/s)
Roll motion 0.00005 rad^2 0.00673 rad 0.01347 rad 7.673 (0.82) 5.903 (1.06) 5.672 (1.11) s (rad/s)
Pitch motion 0.00000 rad^2 0.00214 rad 0.00428 rad 7.810 (0.80) 6.612 (0.95) 6.370 (0.99) s (rad/s)
Heave velocity 0.012 m^2/s^2 0.108 m/s 0.215 m/s 7.796 (0.81) 6.626 (0.95) 6.397 (0.98) s (rad/s)
Roll velocity 0.00006 (rad/s)^2 0.00746 rad/s 0.01492 rad/s 7.545 (0.83) 4.985 (1.26) 4.740 (1.33) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00211 rad/s 0.00422 rad/s 7.673 (0.82) 5.606 (1.12) 5.313 (1.18) s (rad/s)
Heave acceleration 0.011 m^2/s^4 0.106 m/s^2 0.211 m/s^2 7.657 (0.82) 5.646 (1.11) 5.320 (1.18) s (rad/s)
Roll acceleration 0.00010 (rad/s/s)^2 0.00989 rad/s/s 0.01977 rad/s/s 4.504 (1.39) 4.020 (1.56) 3.770 (1.67) s (rad/s)
Pitch acceleration 0.00001 (rad/s/s)^2 0.00249 rad/s/s 0.00499 rad/s/s 7.545 (0.83) 4.447 (1.41) 4.142 (1.52) s (rad/s)
passenger deck aft: Abs. vert. motion 0.019 m^2 0.137 m 0.274 m 7.905 (0.79) 7.290 (0.86) 7.113 (0.88) s (rad/s)
passenger deck aft: Rel. vert. motion 0.003 m^2 0.054 m 0.108 m 3.545 (1.77) 3.179 (1.98) 2.810 (2.24) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.015 m^2/s^2 0.121 m/s 0.242 m/s 7.782 (0.81) 6.534 (0.96) 6.291 (1.00) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.015 m^2/s^2 0.121 m/s 0.242 m/s 3.032 (2.07) 1.843 (3.41) 1.581 (3.97) s (rad/s)
passenger deck aft: Abs. vert. accel 0.015 m^2/s^4 0.121 m/s^2 0.242 m/s^2 7.644 (0.82) 5.495 (1.14) 5.151 (1.22) s (rad/s)
passenger deck aft: Rel. vert. accel 0.231 m^2/s^4 0.481 m/s^2 0.962 m/s^2 0.638 (9.84) 1.065 (5.90) 0.986 (6.37) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.006 m 0.012 m 7.794 (0.81) 6.610 (0.95) 6.368 (0.99) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.006 m/s 0.012 m/s 7.651 (0.82) 5.603 (1.12) 5.310 (1.18) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.007 m/s^2 0.014 m/s^2 7.577 (0.83) 4.443 (1.41) 4.138 (1.52) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.019 m 0.038 m 7.688 (0.82) 5.912 (1.06) 5.681 (1.11) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.021 m/s 0.042 m/s 7.533 (0.83) 4.991 (1.26) 4.745 (1.32) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.001 m^2/s^4 0.028 m/s^2 0.055 m/s^2 4.504 (1.39) 4.022 (1.56) 3.771 (1.67) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.307 SM 0.149 % 0.015 % -- -- --
passenger deck forward: Abs. vert. motion 0.009 m^2 0.097 m 0.194 m 7.934 (0.79) 7.478 (0.84) 7.318 (0.86) s (rad/s)
passenger deck forward: Rel. vert. motion 0.009 m^2 0.093 m 0.186 m 7.766 (0.81) 4.834 (1.30) 4.143 (1.52) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.007 m^2/s^2 0.083 m/s 0.166 m/s 7.830 (0.80) 6.805 (0.92) 6.600 (0.95) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.020 m^2/s^2 0.141 m/s 0.282 m/s 7.628 (0.82) 2.296 (2.74) 1.842 (3.41) s (rad/s)
passenger deck forward: Abs. vert. accel 0.006 m^2/s^4 0.079 m/s^2 0.158 m/s^2 7.694 (0.82) 5.951 (1.06) 5.690 (1.10) s (rad/s)
passenger deck forward: Rel. vert. accel 0.232 m^2/s^4 0.482 m/s^2 0.963 m/s^2 0.638 (9.84) 1.090 (5.77) 1.001 (6.28) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.006 m 0.012 m 7.794 (0.81) 6.610 (0.95) 6.368 (0.99) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.006 m/s 0.012 m/s 7.651 (0.82) 5.603 (1.12) 5.310 (1.18) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.007 m/s^2 0.014 m/s^2 7.577 (0.83) 4.443 (1.41) 4.138 (1.52) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.019 m 0.038 m 7.688 (0.82) 5.912 (1.06) 5.681 (1.11) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.021 m/s 0.042 m/s 7.533 (0.83) 4.991 (1.26) 4.745 (1.32) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.001 m^2/s^4 0.028 m/s^2 0.055 m/s^2 4.504 (1.39) 4.022 (1.56) 3.771 (1.67) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.166 SM 0.030 % 0.002 % -- -- --
Bridge deck: Abs. vert. motion 0.009 m^2 0.097 m 0.194 m 7.934 (0.79) 7.478 (0.84) 7.318 (0.86) s (rad/s)
Bridge deck: Rel. vert. motion 0.009 m^2 0.093 m 0.186 m 7.766 (0.81) 4.834 (1.30) 4.143 (1.52) s (rad/s)
Bridge deck: Abs. vert. velocity 0.007 m^2/s^2 0.083 m/s 0.166 m/s 7.830 (0.80) 6.805 (0.92) 6.600 (0.95) s (rad/s)
Bridge deck: Rel. vert. velocity 0.020 m^2/s^2 0.141 m/s 0.282 m/s 7.628 (0.82) 2.296 (2.74) 1.842 (3.41) s (rad/s)
Bridge deck: Abs. vert. accel 0.006 m^2/s^4 0.079 m/s^2 0.158 m/s^2 7.694 (0.82) 5.951 (1.06) 5.690 (1.10) s (rad/s)
Bridge deck: Rel. vert. accel 0.232 m^2/s^4 0.482 m/s^2 0.963 m/s^2 0.638 (9.84) 1.090 (5.77) 1.001 (6.28) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.011 m 0.022 m 7.794 (0.81) 6.610 (0.95) 6.368 (0.99) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.011 m/s 0.021 m/s 7.651 (0.82) 5.603 (1.12) 5.310 (1.18) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.013 m/s^2 0.025 m/s^2 7.577 (0.83) 4.443 (1.41) 4.138 (1.52) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.001 m^2 0.034 m 0.069 m 7.688 (0.82) 5.912 (1.06) 5.681 (1.11) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.001 m^2/s^2 0.038 m/s 0.076 m/s 7.533 (0.83) 4.991 (1.26) 4.745 (1.32) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.003 m^2/s^4 0.050 m/s^2 0.101 m/s^2 4.504 (1.39) 4.022 (1.56) 3.771 (1.67) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.166 SM 0.030 % 0.002 % -- -- --

Trial Speed, 18 kn; beam seea, 2.035 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.965 s -- -- -- -- --
Characteristic wave height 1.200 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 2.035 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.090 m^2 0.300 m 0.601 m 9.969 (0.63) 8.348 (0.75) 7.856 (0.80) s (rad/s)
Encountered wave spectrum 0.090 m^2 0.300 m 0.601 m 7.880 (0.80) 6.138 (1.02) 5.396 (1.16) s (rad/s)
Added resistance 3.858 kN -- -- 7.806 (0.80) 6.117 (1.03) 5.561 (1.13) s (rad/s)
Heave motion 0.060 m^2 0.246 m 0.492 m 7.903 (0.80) 7.342 (0.86) 7.173 (0.88) s (rad/s)
Roll motion 0.00018 rad^2 0.01348 rad 0.02697 rad 7.664 (0.82) 5.900 (1.07) 5.670 (1.11) s (rad/s)
Pitch motion 0.00002 rad^2 0.00428 rad 0.00856 rad 7.802 (0.81) 6.606 (0.95) 6.366 (0.99) s (rad/s)
Heave velocity 0.046 m^2/s^2 0.215 m/s 0.431 m/s 7.786 (0.81) 6.621 (0.95) 6.392 (0.98) s (rad/s)
Roll velocity 0.00022 (rad/s)^2 0.01494 rad/s 0.02988 rad/s 7.535 (0.83) 4.983 (1.26) 4.739 (1.33) s (rad/s)
Pitch velocity 0.00002 (rad/s)^2 0.00422 rad/s 0.00844 rad/s 7.663 (0.82) 5.603 (1.12) 5.311 (1.18) s (rad/s)
Heave acceleration 0.045 m^2/s^4 0.212 m/s^2 0.423 m/s^2 7.649 (0.82) 5.643 (1.11) 5.317 (1.18) s (rad/s)
Roll acceleration 0.00039 (rad/s/s)^2 0.01981 rad/s/s 0.03961 rad/s/s 4.498 (1.40) 4.020 (1.56) 3.769 (1.67) s (rad/s)
Pitch acceleration 0.00002 (rad/s/s)^2 0.00499 rad/s/s 0.00999 rad/s/s 7.537 (0.83) 4.446 (1.41) 4.141 (1.52) s (rad/s)
passenger deck aft: Abs. vert. motion 0.075 m^2 0.274 m 0.548 m 7.895 (0.80) 7.282 (0.86) 7.106 (0.88) s (rad/s)
passenger deck aft: Rel. vert. motion 0.012 m^2 0.108 m 0.217 m 3.540 (1.77) 3.178 (1.98) 2.809 (2.24) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.059 m^2/s^2 0.242 m/s 0.484 m/s 7.772 (0.81) 6.529 (0.96) 6.287 (1.00) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.059 m^2/s^2 0.243 m/s 0.485 m/s 3.028 (2.08) 1.842 (3.41) 1.580 (3.98) s (rad/s)
passenger deck aft: Abs. vert. accel 0.059 m^2/s^4 0.242 m/s^2 0.484 m/s^2 7.634 (0.82) 5.492 (1.14) 5.149 (1.22) s (rad/s)
passenger deck aft: Rel. vert. accel 0.931 m^2/s^4 0.965 m/s^2 1.930 m/s^2 0.640 (9.82) 1.064 (5.91) 0.985 (6.38) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.012 m 0.024 m 7.784 (0.81) 6.604 (0.95) 6.363 (0.99) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.012 m/s 0.023 m/s 7.643 (0.82) 5.600 (1.12) 5.307 (1.18) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.014 m/s^2 0.028 m/s^2 7.567 (0.83) 4.442 (1.41) 4.137 (1.52) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.001 m^2 0.038 m 0.075 m 7.678 (0.82) 5.909 (1.06) 5.678 (1.11) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.002 m^2/s^2 0.042 m/s 0.083 m/s 7.525 (0.83) 4.990 (1.26) 4.744 (1.32) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.003 m^2/s^4 0.055 m/s^2 0.110 m/s^2 4.498 (1.40) 4.022 (1.56) 3.770 (1.67) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.827 SM 1.335 % 0.338 % -- -- --
passenger deck forward: Abs. vert. motion 0.037 m^2 0.194 m 0.387 m 7.925 (0.79) 7.470 (0.84) 7.310 (0.86) s (rad/s)
passenger deck forward: Rel. vert. motion 0.035 m^2 0.186 m 0.373 m 7.756 (0.81) 4.829 (1.30) 4.139 (1.52) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.028 m^2/s^2 0.166 m/s 0.333 m/s 7.820 (0.80) 6.799 (0.92) 6.595 (0.95) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.080 m^2/s^2 0.283 m/s 0.566 m/s 7.618 (0.82) 2.294 (2.74) 1.840 (3.41) s (rad/s)
passenger deck forward: Abs. vert. accel 0.025 m^2/s^4 0.158 m/s^2 0.317 m/s^2 7.684 (0.82) 5.948 (1.06) 5.688 (1.10) s (rad/s)
passenger deck forward: Rel. vert. accel 0.933 m^2/s^4 0.966 m/s^2 1.932 m/s^2 0.640 (9.82) 1.088 (5.78) 0.999 (6.29) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.012 m 0.024 m 7.784 (0.81) 6.604 (0.95) 6.363 (0.99) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.012 m/s 0.023 m/s 7.643 (0.82) 5.600 (1.12) 5.307 (1.18) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.014 m/s^2 0.028 m/s^2 7.567 (0.83) 4.442 (1.41) 4.137 (1.52) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.001 m^2 0.038 m 0.075 m 7.678 (0.82) 5.909 (1.06) 5.678 (1.11) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.002 m^2/s^2 0.042 m/s 0.083 m/s 7.525 (0.83) 4.990 (1.26) 4.744 (1.32) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.003 m^2/s^4 0.055 m/s^2 0.110 m/s^2 4.498 (1.40) 4.022 (1.56) 3.770 (1.67) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.447 SM 0.369 % 0.056 % -- -- --
Bridge deck: Abs. vert. motion 0.037 m^2 0.194 m 0.387 m 7.925 (0.79) 7.470 (0.84) 7.310 (0.86) s (rad/s)
Bridge deck: Rel. vert. motion 0.035 m^2 0.186 m 0.373 m 7.756 (0.81) 4.829 (1.30) 4.139 (1.52) s (rad/s)
Bridge deck: Abs. vert. velocity 0.028 m^2/s^2 0.166 m/s 0.333 m/s 7.820 (0.80) 6.799 (0.92) 6.595 (0.95) s (rad/s)
Bridge deck: Rel. vert. velocity 0.080 m^2/s^2 0.283 m/s 0.566 m/s 7.618 (0.82) 2.294 (2.74) 1.840 (3.41) s (rad/s)
Bridge deck: Abs. vert. accel 0.025 m^2/s^4 0.158 m/s^2 0.317 m/s^2 7.684 (0.82) 5.948 (1.06) 5.688 (1.10) s (rad/s)
Bridge deck: Rel. vert. accel 0.933 m^2/s^4 0.966 m/s^2 1.932 m/s^2 0.640 (9.82) 1.088 (5.78) 0.999 (6.29) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.022 m 0.043 m 7.784 (0.81) 6.604 (0.95) 6.363 (0.99) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.021 m/s 0.043 m/s 7.643 (0.82) 5.600 (1.12) 5.307 (1.18) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.001 m^2/s^4 0.025 m/s^2 0.051 m/s^2 7.567 (0.83) 4.442 (1.41) 4.137 (1.52) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.005 m^2 0.069 m 0.137 m 7.678 (0.82) 5.909 (1.06) 5.678 (1.11) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.006 m^2/s^2 0.076 m/s 0.152 m/s 7.525 (0.83) 4.990 (1.26) 4.744 (1.32) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.010 m^2/s^4 0.101 m/s^2 0.201 m/s^2 4.498 (1.40) 4.022 (1.56) 3.770 (1.67) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.447 SM 0.369 % 0.056 % -- -- --

Trial Speed, 18 kn; beam seea, 2.035 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 2.000 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 2.035 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.251 m^2 0.501 m 1.001 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.251 m^2 0.501 m 1.001 m 7.891 (0.80) 6.146 (1.02) 5.403 (1.16) s (rad/s)
Added resistance 10.708 kN -- -- 7.816 (0.80) 6.124 (1.03) 5.567 (1.13) s (rad/s)
Heave motion 0.168 m^2 0.410 m 0.820 m 7.913 (0.79) 7.350 (0.85) 7.180 (0.88) s (rad/s)
Roll motion 0.00050 rad^2 0.02245 rad 0.04489 rad 7.673 (0.82) 5.903 (1.06) 5.672 (1.11) s (rad/s)
Pitch motion 0.00005 rad^2 0.00713 rad 0.01425 rad 7.810 (0.80) 6.612 (0.95) 6.370 (0.99) s (rad/s)
Heave velocity 0.129 m^2/s^2 0.359 m/s 0.717 m/s 7.796 (0.81) 6.626 (0.95) 6.397 (0.98) s (rad/s)
Roll velocity 0.00062 (rad/s)^2 0.02486 rad/s 0.04972 rad/s 7.545 (0.83) 4.985 (1.26) 4.740 (1.33) s (rad/s)
Pitch velocity 0.00005 (rad/s)^2 0.00703 rad/s 0.01406 rad/s 7.673 (0.82) 5.606 (1.12) 5.313 (1.18) s (rad/s)
Heave acceleration 0.124 m^2/s^4 0.352 m/s^2 0.704 m/s^2 7.657 (0.82) 5.646 (1.11) 5.320 (1.18) s (rad/s)
Roll acceleration 0.00109 (rad/s/s)^2 0.03296 rad/s/s 0.06591 rad/s/s 4.504 (1.39) 4.020 (1.56) 3.770 (1.67) s (rad/s)
Pitch acceleration 0.00007 (rad/s/s)^2 0.00831 rad/s/s 0.01662 rad/s/s 7.545 (0.83) 4.447 (1.41) 4.142 (1.52) s (rad/s)
passenger deck aft: Abs. vert. motion 0.209 m^2 0.457 m 0.914 m 7.905 (0.79) 7.290 (0.86) 7.113 (0.88) s (rad/s)
passenger deck aft: Rel. vert. motion 0.033 m^2 0.180 m 0.361 m 3.545 (1.77) 3.179 (1.98) 2.810 (2.24) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.163 m^2/s^2 0.404 m/s 0.807 m/s 7.782 (0.81) 6.534 (0.96) 6.291 (1.00) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.163 m^2/s^2 0.403 m/s 0.807 m/s 3.032 (2.07) 1.843 (3.41) 1.581 (3.97) s (rad/s)
passenger deck aft: Abs. vert. accel 0.162 m^2/s^4 0.403 m/s^2 0.806 m/s^2 7.644 (0.82) 5.495 (1.14) 5.151 (1.22) s (rad/s)
passenger deck aft: Rel. vert. accel 2.570 m^2/s^4 1.603 m/s^2 3.206 m/s^2 0.638 (9.84) 1.065 (5.90) 0.986 (6.37) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.020 m 0.040 m 7.794 (0.81) 6.610 (0.95) 6.368 (0.99) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.020 m/s 0.039 m/s 7.651 (0.82) 5.603 (1.12) 5.310 (1.18) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.001 m^2/s^4 0.023 m/s^2 0.046 m/s^2 7.577 (0.83) 4.443 (1.41) 4.138 (1.52) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.004 m^2 0.063 m 0.126 m 7.688 (0.82) 5.912 (1.06) 5.681 (1.11) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.005 m^2/s^2 0.069 m/s 0.139 m/s 7.533 (0.83) 4.991 (1.26) 4.745 (1.32) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.008 m^2/s^4 0.092 m/s^2 0.184 m/s^2 4.504 (1.39) 4.022 (1.56) 3.771 (1.67) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 1.715 SM 4.818 % 1.975 % -- -- --
passenger deck forward: Abs. vert. motion 0.104 m^2 0.323 m 0.646 m 7.934 (0.79) 7.478 (0.84) 7.318 (0.86) s (rad/s)
passenger deck forward: Rel. vert. motion 0.096 m^2 0.310 m 0.621 m 7.766 (0.81) 4.834 (1.30) 4.143 (1.52) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.077 m^2/s^2 0.277 m/s 0.554 m/s 7.830 (0.80) 6.805 (0.92) 6.600 (0.95) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.222 m^2/s^2 0.471 m/s 0.941 m/s 7.628 (0.82) 2.296 (2.74) 1.842 (3.41) s (rad/s)
passenger deck forward: Abs. vert. accel 0.070 m^2/s^4 0.264 m/s^2 0.527 m/s^2 7.694 (0.82) 5.951 (1.06) 5.690 (1.10) s (rad/s)
passenger deck forward: Rel. vert. accel 2.577 m^2/s^4 1.605 m/s^2 3.210 m/s^2 0.638 (9.84) 1.090 (5.77) 1.001 (6.28) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.020 m 0.040 m 7.794 (0.81) 6.610 (0.95) 6.368 (0.99) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.020 m/s 0.039 m/s 7.651 (0.82) 5.603 (1.12) 5.310 (1.18) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.001 m^2/s^4 0.023 m/s^2 0.046 m/s^2 7.577 (0.83) 4.443 (1.41) 4.138 (1.52) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.004 m^2 0.063 m 0.126 m 7.688 (0.82) 5.912 (1.06) 5.681 (1.11) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.005 m^2/s^2 0.069 m/s 0.139 m/s 7.533 (0.83) 4.991 (1.26) 4.745 (1.32) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.008 m^2/s^4 0.092 m/s^2 0.184 m/s^2 4.504 (1.39) 4.022 (1.56) 3.771 (1.67) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.927 SM 1.676 % 0.463 % -- -- --
Bridge deck: Abs. vert. motion 0.104 m^2 0.323 m 0.646 m 7.934 (0.79) 7.478 (0.84) 7.318 (0.86) s (rad/s)
Bridge deck: Rel. vert. motion 0.096 m^2 0.310 m 0.621 m 7.766 (0.81) 4.834 (1.30) 4.143 (1.52) s (rad/s)
Bridge deck: Abs. vert. velocity 0.077 m^2/s^2 0.277 m/s 0.554 m/s 7.830 (0.80) 6.805 (0.92) 6.600 (0.95) s (rad/s)
Bridge deck: Rel. vert. velocity 0.222 m^2/s^2 0.471 m/s 0.941 m/s 7.628 (0.82) 2.296 (2.74) 1.842 (3.41) s (rad/s)
Bridge deck: Abs. vert. accel 0.070 m^2/s^4 0.264 m/s^2 0.527 m/s^2 7.694 (0.82) 5.951 (1.06) 5.690 (1.10) s (rad/s)
Bridge deck: Rel. vert. accel 2.577 m^2/s^4 1.605 m/s^2 3.210 m/s^2 0.638 (9.84) 1.090 (5.77) 1.001 (6.28) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.001 m^2 0.036 m 0.072 m 7.794 (0.81) 6.610 (0.95) 6.368 (0.99) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.001 m^2/s^2 0.036 m/s 0.071 m/s 7.651 (0.82) 5.603 (1.12) 5.310 (1.18) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.002 m^2/s^4 0.042 m/s^2 0.084 m/s^2 7.577 (0.83) 4.443 (1.41) 4.138 (1.52) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.013 m^2 0.114 m 0.229 m 7.688 (0.82) 5.912 (1.06) 5.681 (1.11) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.016 m^2/s^2 0.127 m/s 0.253 m/s 7.533 (0.83) 4.991 (1.26) 4.745 (1.32) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.028 m^2/s^4 0.168 m/s^2 0.335 m/s^2 4.504 (1.39) 4.022 (1.56) 3.771 (1.67) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.927 SM 1.676 % 0.463 % -- -- --

Trial Speed, 18 kn; 2.301 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.956 s -- -- -- -- --
Characteristic wave height 0.300 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 2.301 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.006 m^2 0.075 m 0.150 m 9.960 (0.63) 8.340 (0.75) 7.849 (0.80) s (rad/s)
Encountered wave spectrum 0.006 m^2 0.075 m 0.150 m 7.142 (0.88) 5.429 (1.16) 4.651 (1.35) s (rad/s)
Added resistance 0.238 kN -- -- 7.076 (0.89) 5.624 (1.12) 5.157 (1.22) s (rad/s)
Heave motion 0.004 m^2 0.063 m 0.125 m 7.165 (0.88) 6.601 (0.95) 6.429 (0.98) s (rad/s)
Roll motion 0.00001 rad^2 0.00295 rad 0.00590 rad 6.929 (0.91) 5.257 (1.20) 5.060 (1.24) s (rad/s)
Pitch motion 0.00000 rad^2 0.00114 rad 0.00228 rad 7.026 (0.89) 5.645 (1.11) 5.411 (1.16) s (rad/s)
Heave velocity 0.004 m^2/s^2 0.061 m/s 0.122 m/s 7.047 (0.89) 5.880 (1.07) 5.661 (1.11) s (rad/s)
Roll velocity 0.00001 (rad/s)^2 0.00366 rad/s 0.00733 rad/s 6.779 (0.93) 4.501 (1.40) 4.323 (1.45) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00132 rad/s 0.00265 rad/s 6.882 (0.91) 4.718 (1.33) 4.488 (1.40) s (rad/s)
Heave acceleration 0.005 m^2/s^4 0.068 m/s^2 0.136 m/s^2 6.906 (0.91) 4.977 (1.26) 4.713 (1.33) s (rad/s)
Roll acceleration 0.00003 (rad/s/s)^2 0.00532 rad/s/s 0.01065 rad/s/s 3.746 (1.68) 3.804 (1.65) 3.611 (1.74) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00185 rad/s/s 0.00370 rad/s/s 4.074 (1.54) 3.860 (1.63) 3.666 (1.71) s (rad/s)
passenger deck aft: Abs. vert. motion 0.005 m^2 0.070 m 0.139 m 7.157 (0.88) 6.523 (0.96) 6.341 (0.99) s (rad/s)
passenger deck aft: Rel. vert. motion 0.001 m^2 0.028 m 0.057 m 3.346 (1.88) 2.783 (2.26) 2.409 (2.61) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.005 m^2/s^2 0.069 m/s 0.138 m/s 7.034 (0.89) 5.757 (1.09) 5.524 (1.14) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.006 m^2/s^2 0.074 m/s 0.148 m/s 2.750 (2.28) 1.462 (4.30) 1.227 (5.12) s (rad/s)
passenger deck aft: Abs. vert. accel 0.006 m^2/s^4 0.078 m/s^2 0.157 m/s^2 6.892 (0.91) 4.805 (1.31) 4.532 (1.39) s (rad/s)
passenger deck aft: Rel. vert. accel 0.144 m^2/s^4 0.380 m/s^2 0.760 m/s^2 0.489 (12.84) 0.799 (7.86) 0.741 (8.48) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.003 m 0.006 m 7.024 (0.89) 5.646 (1.11) 5.411 (1.16) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.004 m/s 0.007 m/s 6.879 (0.91) 4.718 (1.33) 4.489 (1.40) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.005 m/s^2 0.010 m/s^2 4.074 (1.54) 3.860 (1.63) 3.666 (1.71) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.008 m 0.017 m 6.932 (0.91) 5.263 (1.19) 5.066 (1.24) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.010 m/s 0.020 m/s 6.786 (0.93) 4.506 (1.39) 4.327 (1.45) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.015 m/s^2 0.030 m/s^2 3.746 (1.68) 3.806 (1.65) 3.613 (1.74) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.166 SM 0.027 % 0.001 % -- -- --
passenger deck forward: Abs. vert. motion 0.003 m^2 0.050 m 0.100 m 7.181 (0.87) 6.741 (0.93) 6.585 (0.95) s (rad/s)
passenger deck forward: Rel. vert. motion 0.003 m^2 0.052 m 0.105 m 6.998 (0.90) 4.348 (1.45) 3.692 (1.70) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.002 m^2/s^2 0.048 m/s 0.096 m/s 7.072 (0.89) 6.090 (1.03) 5.897 (1.07) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.008 m^2/s^2 0.089 m/s 0.178 m/s 6.855 (0.92) 1.907 (3.29) 1.479 (4.25) s (rad/s)
passenger deck forward: Abs. vert. accel 0.003 m^2/s^4 0.051 m/s^2 0.102 m/s^2 6.934 (0.91) 5.303 (1.18) 5.080 (1.24) s (rad/s)
passenger deck forward: Rel. vert. accel 0.143 m^2/s^4 0.378 m/s^2 0.757 m/s^2 0.489 (12.84) 0.824 (7.63) 0.756 (8.31) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.003 m 0.006 m 7.024 (0.89) 5.646 (1.11) 5.411 (1.16) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.004 m/s 0.007 m/s 6.879 (0.91) 4.718 (1.33) 4.489 (1.40) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.005 m/s^2 0.010 m/s^2 4.074 (1.54) 3.860 (1.63) 3.666 (1.71) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.008 m 0.017 m 6.932 (0.91) 5.263 (1.19) 5.066 (1.24) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.010 m/s 0.020 m/s 6.786 (0.93) 4.506 (1.39) 4.327 (1.45) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.015 m/s^2 0.030 m/s^2 3.746 (1.68) 3.806 (1.65) 3.613 (1.74) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.089 SM 0.005 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.003 m^2 0.050 m 0.100 m 7.181 (0.87) 6.741 (0.93) 6.585 (0.95) s (rad/s)
Bridge deck: Rel. vert. motion 0.003 m^2 0.052 m 0.105 m 6.998 (0.90) 4.348 (1.45) 3.692 (1.70) s (rad/s)
Bridge deck: Abs. vert. velocity 0.002 m^2/s^2 0.048 m/s 0.096 m/s 7.072 (0.89) 6.090 (1.03) 5.897 (1.07) s (rad/s)
Bridge deck: Rel. vert. velocity 0.008 m^2/s^2 0.089 m/s 0.178 m/s 6.855 (0.92) 1.907 (3.29) 1.479 (4.25) s (rad/s)
Bridge deck: Abs. vert. accel 0.003 m^2/s^4 0.051 m/s^2 0.102 m/s^2 6.934 (0.91) 5.303 (1.18) 5.080 (1.24) s (rad/s)
Bridge deck: Rel. vert. accel 0.143 m^2/s^4 0.378 m/s^2 0.757 m/s^2 0.489 (12.84) 0.824 (7.63) 0.756 (8.31) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.006 m 0.012 m 7.024 (0.89) 5.646 (1.11) 5.411 (1.16) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.007 m/s 0.013 m/s 6.879 (0.91) 4.718 (1.33) 4.489 (1.40) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.009 m/s^2 0.019 m/s^2 4.074 (1.54) 3.860 (1.63) 3.666 (1.71) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.015 m 0.030 m 6.932 (0.91) 5.263 (1.19) 5.066 (1.24) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.019 m/s 0.037 m/s 6.786 (0.93) 4.506 (1.39) 4.327 (1.45) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.001 m^2/s^4 0.027 m/s^2 0.054 m/s^2 3.746 (1.68) 3.806 (1.65) 3.613 (1.74) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.089 SM 0.005 % 0.000 % -- -- --

Trial Speed, 18 kn; 2.301 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 2.301 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 7.160 (0.88) 5.443 (1.15) 4.663 (1.35) s (rad/s)
Added resistance 0.950 kN -- -- 7.094 (0.89) 5.635 (1.12) 5.166 (1.22) s (rad/s)
Heave motion 0.016 m^2 0.125 m 0.251 m 7.182 (0.87) 6.614 (0.95) 6.442 (0.98) s (rad/s)
Roll motion 0.00003 rad^2 0.00589 rad 0.01178 rad 6.946 (0.90) 5.262 (1.19) 5.064 (1.24) s (rad/s)
Pitch motion 0.00001 rad^2 0.00228 rad 0.00455 rad 7.042 (0.89) 5.653 (1.11) 5.417 (1.16) s (rad/s)
Heave velocity 0.015 m^2/s^2 0.122 m/s 0.245 m/s 7.063 (0.89) 5.889 (1.07) 5.668 (1.11) s (rad/s)
Roll velocity 0.00005 (rad/s)^2 0.00730 rad/s 0.01461 rad/s 6.795 (0.92) 4.503 (1.40) 4.324 (1.45) s (rad/s)
Pitch velocity 0.00001 (rad/s)^2 0.00264 rad/s 0.00528 rad/s 6.900 (0.91) 4.721 (1.33) 4.491 (1.40) s (rad/s)
Heave acceleration 0.018 m^2/s^4 0.136 m/s^2 0.271 m/s^2 6.922 (0.91) 4.981 (1.26) 4.716 (1.33) s (rad/s)
Roll acceleration 0.00011 (rad/s/s)^2 0.01061 rad/s/s 0.02123 rad/s/s 3.756 (1.67) 3.804 (1.65) 3.612 (1.74) s (rad/s)
Pitch acceleration 0.00001 (rad/s/s)^2 0.00369 rad/s/s 0.00738 rad/s/s 4.085 (1.54) 3.861 (1.63) 3.667 (1.71) s (rad/s)
passenger deck aft: Abs. vert. motion 0.019 m^2 0.139 m 0.279 m 7.174 (0.88) 6.536 (0.96) 6.353 (0.99) s (rad/s)
passenger deck aft: Rel. vert. motion 0.003 m^2 0.057 m 0.113 m 3.319 (1.89) 2.785 (2.26) 2.411 (2.61) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.019 m^2/s^2 0.138 m/s 0.276 m/s 7.052 (0.89) 5.766 (1.09) 5.532 (1.14) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.022 m^2/s^2 0.148 m/s 0.296 m/s 2.758 (2.28) 1.464 (4.29) 1.230 (5.11) s (rad/s)
passenger deck aft: Abs. vert. accel 0.025 m^2/s^4 0.157 m/s^2 0.313 m/s^2 6.909 (0.91) 4.809 (1.31) 4.535 (1.39) s (rad/s)
passenger deck aft: Rel. vert. accel 0.570 m^2/s^4 0.755 m/s^2 1.510 m/s^2 0.491 (12.80) 0.802 (7.84) 0.744 (8.45) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.006 m 0.013 m 7.042 (0.89) 5.654 (1.11) 5.418 (1.16) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.007 m/s 0.015 m/s 6.896 (0.91) 4.721 (1.33) 4.491 (1.40) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.010 m/s^2 0.021 m/s^2 4.085 (1.54) 3.861 (1.63) 3.667 (1.71) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.016 m 0.033 m 6.948 (0.90) 5.268 (1.19) 5.070 (1.24) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.020 m/s 0.041 m/s 6.802 (0.92) 4.508 (1.39) 4.328 (1.45) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.001 m^2/s^4 0.030 m/s^2 0.059 m/s^2 3.756 (1.67) 3.806 (1.65) 3.614 (1.74) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.445 SM 0.340 % 0.049 % -- -- --
passenger deck forward: Abs. vert. motion 0.010 m^2 0.100 m 0.201 m 7.199 (0.87) 6.755 (0.93) 6.598 (0.95) s (rad/s)
passenger deck forward: Rel. vert. motion 0.011 m^2 0.104 m 0.209 m 7.014 (0.90) 4.355 (1.44) 3.698 (1.70) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.009 m^2/s^2 0.096 m/s 0.191 m/s 7.090 (0.89) 6.100 (1.03) 5.906 (1.06) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.032 m^2/s^2 0.178 m/s 0.355 m/s 6.873 (0.91) 1.912 (3.29) 1.483 (4.24) s (rad/s)
passenger deck forward: Abs. vert. accel 0.010 m^2/s^4 0.102 m/s^2 0.203 m/s^2 6.952 (0.90) 5.308 (1.18) 5.085 (1.24) s (rad/s)
passenger deck forward: Rel. vert. accel 0.566 m^2/s^4 0.752 m/s^2 1.504 m/s^2 0.512 (12.26) 0.827 (7.60) 0.759 (8.28) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.006 m 0.013 m 7.042 (0.89) 5.654 (1.11) 5.418 (1.16) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.007 m/s 0.015 m/s 6.896 (0.91) 4.721 (1.33) 4.491 (1.40) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.010 m/s^2 0.021 m/s^2 4.085 (1.54) 3.861 (1.63) 3.667 (1.71) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.016 m 0.033 m 6.948 (0.90) 5.268 (1.19) 5.070 (1.24) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.020 m/s 0.041 m/s 6.802 (0.92) 4.508 (1.39) 4.328 (1.45) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.001 m^2/s^4 0.030 m/s^2 0.059 m/s^2 3.756 (1.67) 3.806 (1.65) 3.614 (1.74) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.240 SM 0.078 % 0.006 % -- -- --
Bridge deck: Abs. vert. motion 0.010 m^2 0.100 m 0.201 m 7.199 (0.87) 6.755 (0.93) 6.598 (0.95) s (rad/s)
Bridge deck: Rel. vert. motion 0.011 m^2 0.104 m 0.209 m 7.014 (0.90) 4.355 (1.44) 3.698 (1.70) s (rad/s)
Bridge deck: Abs. vert. velocity 0.009 m^2/s^2 0.096 m/s 0.191 m/s 7.090 (0.89) 6.100 (1.03) 5.906 (1.06) s (rad/s)
Bridge deck: Rel. vert. velocity 0.032 m^2/s^2 0.178 m/s 0.355 m/s 6.873 (0.91) 1.912 (3.29) 1.483 (4.24) s (rad/s)
Bridge deck: Abs. vert. accel 0.010 m^2/s^4 0.102 m/s^2 0.203 m/s^2 6.952 (0.90) 5.308 (1.18) 5.085 (1.24) s (rad/s)
Bridge deck: Rel. vert. accel 0.566 m^2/s^4 0.752 m/s^2 1.504 m/s^2 0.512 (12.26) 0.827 (7.60) 0.759 (8.28) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.012 m 0.023 m 7.042 (0.89) 5.654 (1.11) 5.418 (1.16) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.013 m/s 0.027 m/s 6.896 (0.91) 4.721 (1.33) 4.491 (1.40) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.019 m/s^2 0.038 m/s^2 4.085 (1.54) 3.861 (1.63) 3.667 (1.71) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.001 m^2 0.030 m 0.060 m 6.948 (0.90) 5.268 (1.19) 5.070 (1.24) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.001 m^2/s^2 0.037 m/s 0.074 m/s 6.802 (0.92) 4.508 (1.39) 4.328 (1.45) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.003 m^2/s^4 0.054 m/s^2 0.108 m/s^2 3.756 (1.67) 3.806 (1.65) 3.614 (1.74) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.240 SM 0.078 % 0.006 % -- -- --

Trial Speed, 18 kn; 2.301 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.965 s -- -- -- -- --
Characteristic wave height 1.200 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 2.301 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.090 m^2 0.300 m 0.601 m 9.969 (0.63) 8.348 (0.75) 7.856 (0.80) s (rad/s)
Encountered wave spectrum 0.090 m^2 0.300 m 0.601 m 7.150 (0.88) 5.436 (1.16) 4.657 (1.35) s (rad/s)
Added resistance 3.802 kN -- -- 7.084 (0.89) 5.629 (1.12) 5.162 (1.22) s (rad/s)
Heave motion 0.063 m^2 0.251 m 0.501 m 7.173 (0.88) 6.607 (0.95) 6.435 (0.98) s (rad/s)
Roll motion 0.00014 rad^2 0.01179 rad 0.02358 rad 6.937 (0.91) 5.260 (1.19) 5.062 (1.24) s (rad/s)
Pitch motion 0.00002 rad^2 0.00455 rad 0.00911 rad 7.034 (0.89) 5.649 (1.11) 5.414 (1.16) s (rad/s)
Heave velocity 0.060 m^2/s^2 0.245 m/s 0.489 m/s 7.053 (0.89) 5.884 (1.07) 5.664 (1.11) s (rad/s)
Roll velocity 0.00021 (rad/s)^2 0.01463 rad/s 0.02926 rad/s 6.785 (0.93) 4.502 (1.40) 4.323 (1.45) s (rad/s)
Pitch velocity 0.00003 (rad/s)^2 0.00528 rad/s 0.01057 rad/s 6.891 (0.91) 4.719 (1.33) 4.490 (1.40) s (rad/s)
Heave acceleration 0.074 m^2/s^4 0.271 m/s^2 0.543 m/s^2 6.914 (0.91) 4.979 (1.26) 4.714 (1.33) s (rad/s)
Roll acceleration 0.00045 (rad/s/s)^2 0.02126 rad/s/s 0.04253 rad/s/s 3.751 (1.68) 3.804 (1.65) 3.612 (1.74) s (rad/s)
Pitch acceleration 0.00005 (rad/s/s)^2 0.00740 rad/s/s 0.01479 rad/s/s 4.079 (1.54) 3.861 (1.63) 3.666 (1.71) s (rad/s)
passenger deck aft: Abs. vert. motion 0.078 m^2 0.279 m 0.557 m 7.166 (0.88) 6.529 (0.96) 6.347 (0.99) s (rad/s)
passenger deck aft: Rel. vert. motion 0.013 m^2 0.114 m 0.227 m 3.350 (1.88) 2.784 (2.26) 2.410 (2.61) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.076 m^2/s^2 0.276 m/s 0.552 m/s 7.042 (0.89) 5.761 (1.09) 5.528 (1.14) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.088 m^2/s^2 0.296 m/s 0.593 m/s 2.754 (2.28) 1.463 (4.29) 1.229 (5.11) s (rad/s)
passenger deck aft: Abs. vert. accel 0.098 m^2/s^4 0.314 m/s^2 0.627 m/s^2 6.900 (0.91) 4.806 (1.31) 4.534 (1.39) s (rad/s)
passenger deck aft: Rel. vert. accel 2.296 m^2/s^4 1.515 m/s^2 3.031 m/s^2 0.490 (12.82) 0.801 (7.85) 0.743 (8.46) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.013 m 0.025 m 7.032 (0.89) 5.650 (1.11) 5.414 (1.16) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.015 m/s 0.029 m/s 6.887 (0.91) 4.720 (1.33) 4.490 (1.40) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.021 m/s^2 0.041 m/s^2 4.079 (1.54) 3.861 (1.63) 3.666 (1.71) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.001 m^2 0.033 m 0.066 m 6.940 (0.91) 5.265 (1.19) 5.068 (1.24) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.002 m^2/s^2 0.041 m/s 0.082 m/s 6.792 (0.93) 4.507 (1.39) 4.327 (1.45) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.004 m^2/s^4 0.059 m/s^2 0.119 m/s^2 3.751 (1.68) 3.806 (1.65) 3.613 (1.74) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 1.201 SM 2.540 % 0.814 % -- -- --
passenger deck forward: Abs. vert. motion 0.040 m^2 0.201 m 0.401 m 7.189 (0.87) 6.748 (0.93) 6.591 (0.95) s (rad/s)
passenger deck forward: Rel. vert. motion 0.044 m^2 0.209 m 0.418 m 7.004 (0.90) 4.351 (1.44) 3.695 (1.70) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.037 m^2/s^2 0.191 m/s 0.382 m/s 7.080 (0.89) 6.094 (1.03) 5.901 (1.06) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.127 m^2/s^2 0.356 m/s 0.711 m/s 6.863 (0.92) 1.909 (3.29) 1.481 (4.24) s (rad/s)
passenger deck forward: Abs. vert. accel 0.041 m^2/s^4 0.203 m/s^2 0.407 m/s^2 6.942 (0.91) 5.305 (1.18) 5.082 (1.24) s (rad/s)
passenger deck forward: Rel. vert. accel 2.278 m^2/s^4 1.509 m/s^2 3.018 m/s^2 0.512 (12.28) 0.825 (7.61) 0.757 (8.30) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.013 m 0.025 m 7.032 (0.89) 5.650 (1.11) 5.414 (1.16) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.015 m/s 0.029 m/s 6.887 (0.91) 4.720 (1.33) 4.490 (1.40) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.021 m/s^2 0.041 m/s^2 4.079 (1.54) 3.861 (1.63) 3.666 (1.71) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.001 m^2 0.033 m 0.066 m 6.940 (0.91) 5.265 (1.19) 5.068 (1.24) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.002 m^2/s^2 0.041 m/s 0.082 m/s 6.792 (0.93) 4.507 (1.39) 4.327 (1.45) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.004 m^2/s^4 0.059 m/s^2 0.119 m/s^2 3.751 (1.68) 3.806 (1.65) 3.613 (1.74) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.648 SM 0.800 % 0.165 % -- -- --
Bridge deck: Abs. vert. motion 0.040 m^2 0.201 m 0.401 m 7.189 (0.87) 6.748 (0.93) 6.591 (0.95) s (rad/s)
Bridge deck: Rel. vert. motion 0.044 m^2 0.209 m 0.418 m 7.004 (0.90) 4.351 (1.44) 3.695 (1.70) s (rad/s)
Bridge deck: Abs. vert. velocity 0.037 m^2/s^2 0.191 m/s 0.382 m/s 7.080 (0.89) 6.094 (1.03) 5.901 (1.06) s (rad/s)
Bridge deck: Rel. vert. velocity 0.127 m^2/s^2 0.356 m/s 0.711 m/s 6.863 (0.92) 1.909 (3.29) 1.481 (4.24) s (rad/s)
Bridge deck: Abs. vert. accel 0.041 m^2/s^4 0.203 m/s^2 0.407 m/s^2 6.942 (0.91) 5.305 (1.18) 5.082 (1.24) s (rad/s)
Bridge deck: Rel. vert. accel 2.278 m^2/s^4 1.509 m/s^2 3.018 m/s^2 0.512 (12.28) 0.825 (7.61) 0.757 (8.30) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.001 m^2 0.023 m 0.046 m 7.032 (0.89) 5.650 (1.11) 5.414 (1.16) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.001 m^2/s^2 0.027 m/s 0.054 m/s 6.887 (0.91) 4.720 (1.33) 4.490 (1.40) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.001 m^2/s^4 0.038 m/s^2 0.075 m/s^2 4.079 (1.54) 3.861 (1.63) 3.666 (1.71) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.004 m^2 0.060 m 0.120 m 6.940 (0.91) 5.265 (1.19) 5.068 (1.24) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.006 m^2/s^2 0.075 m/s 0.149 m/s 6.792 (0.93) 4.507 (1.39) 4.327 (1.45) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.012 m^2/s^4 0.108 m/s^2 0.216 m/s^2 3.751 (1.68) 3.806 (1.65) 3.613 (1.74) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.648 SM 0.800 % 0.165 % -- -- --

Trial Speed, 18 kn; 2.301 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 2.000 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 2.301 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.251 m^2 0.501 m 1.001 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.251 m^2 0.501 m 1.001 m 7.160 (0.88) 5.443 (1.15) 4.663 (1.35) s (rad/s)
Added resistance 10.554 kN -- -- 7.094 (0.89) 5.635 (1.12) 5.166 (1.22) s (rad/s)
Heave motion 0.175 m^2 0.418 m 0.836 m 7.182 (0.87) 6.614 (0.95) 6.442 (0.98) s (rad/s)
Roll motion 0.00039 rad^2 0.01963 rad 0.03925 rad 6.946 (0.90) 5.262 (1.19) 5.064 (1.24) s (rad/s)
Pitch motion 0.00006 rad^2 0.00759 rad 0.01517 rad 7.042 (0.89) 5.653 (1.11) 5.417 (1.16) s (rad/s)
Heave velocity 0.166 m^2/s^2 0.408 m/s 0.815 m/s 7.063 (0.89) 5.889 (1.07) 5.668 (1.11) s (rad/s)
Roll velocity 0.00059 (rad/s)^2 0.02435 rad/s 0.04870 rad/s 6.795 (0.92) 4.503 (1.40) 4.324 (1.45) s (rad/s)
Pitch velocity 0.00008 (rad/s)^2 0.00880 rad/s 0.01759 rad/s 6.900 (0.91) 4.721 (1.33) 4.491 (1.40) s (rad/s)
Heave acceleration 0.204 m^2/s^4 0.452 m/s^2 0.904 m/s^2 6.922 (0.91) 4.981 (1.26) 4.716 (1.33) s (rad/s)
Roll acceleration 0.00125 (rad/s/s)^2 0.03538 rad/s/s 0.07076 rad/s/s 3.756 (1.67) 3.804 (1.65) 3.612 (1.74) s (rad/s)
Pitch acceleration 0.00015 (rad/s/s)^2 0.01230 rad/s/s 0.02461 rad/s/s 4.085 (1.54) 3.861 (1.63) 3.667 (1.71) s (rad/s)
passenger deck aft: Abs. vert. motion 0.216 m^2 0.465 m 0.930 m 7.174 (0.88) 6.536 (0.96) 6.353 (0.99) s (rad/s)
passenger deck aft: Rel. vert. motion 0.036 m^2 0.189 m 0.378 m 3.319 (1.89) 2.785 (2.26) 2.411 (2.61) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.211 m^2/s^2 0.460 m/s 0.919 m/s 7.052 (0.89) 5.766 (1.09) 5.532 (1.14) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.243 m^2/s^2 0.493 m/s 0.986 m/s 2.758 (2.28) 1.464 (4.29) 1.230 (5.11) s (rad/s)
passenger deck aft: Abs. vert. accel 0.272 m^2/s^4 0.522 m/s^2 1.044 m/s^2 6.909 (0.91) 4.809 (1.31) 4.535 (1.39) s (rad/s)
passenger deck aft: Rel. vert. accel 6.336 m^2/s^4 2.517 m/s^2 5.034 m/s^2 0.491 (12.80) 0.802 (7.84) 0.744 (8.45) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.021 m 0.042 m 7.042 (0.89) 5.654 (1.11) 5.418 (1.16) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.001 m^2/s^2 0.025 m/s 0.049 m/s 6.896 (0.91) 4.721 (1.33) 4.491 (1.40) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.001 m^2/s^4 0.034 m/s^2 0.069 m/s^2 4.085 (1.54) 3.861 (1.63) 3.667 (1.71) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.003 m^2 0.055 m 0.110 m 6.948 (0.90) 5.268 (1.19) 5.070 (1.24) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.005 m^2/s^2 0.068 m/s 0.136 m/s 6.802 (0.92) 4.508 (1.39) 4.328 (1.45) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.010 m^2/s^4 0.099 m/s^2 0.198 m/s^2 3.756 (1.67) 3.806 (1.65) 3.614 (1.74) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 2.488 SM 8.078 % 3.934 % -- -- --
passenger deck forward: Abs. vert. motion 0.112 m^2 0.334 m 0.669 m 7.199 (0.87) 6.755 (0.93) 6.598 (0.95) s (rad/s)
passenger deck forward: Rel. vert. motion 0.121 m^2 0.348 m 0.697 m 7.014 (0.90) 4.355 (1.44) 3.698 (1.70) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.101 m^2/s^2 0.318 m/s 0.637 m/s 7.090 (0.89) 6.100 (1.03) 5.906 (1.06) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.350 m^2/s^2 0.592 m/s 1.183 m/s 6.873 (0.91) 1.912 (3.29) 1.483 (4.24) s (rad/s)
passenger deck forward: Abs. vert. accel 0.115 m^2/s^4 0.339 m/s^2 0.677 m/s^2 6.952 (0.90) 5.308 (1.18) 5.085 (1.24) s (rad/s)
passenger deck forward: Rel. vert. accel 6.286 m^2/s^4 2.507 m/s^2 5.014 m/s^2 0.512 (12.26) 0.827 (7.60) 0.759 (8.28) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.021 m 0.042 m 7.042 (0.89) 5.654 (1.11) 5.418 (1.16) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.001 m^2/s^2 0.025 m/s 0.049 m/s 6.896 (0.91) 4.721 (1.33) 4.491 (1.40) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.001 m^2/s^4 0.034 m/s^2 0.069 m/s^2 4.085 (1.54) 3.861 (1.63) 3.667 (1.71) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.003 m^2 0.055 m 0.110 m 6.948 (0.90) 5.268 (1.19) 5.070 (1.24) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.005 m^2/s^2 0.068 m/s 0.136 m/s 6.802 (0.92) 4.508 (1.39) 4.328 (1.45) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.010 m^2/s^4 0.099 m/s^2 0.198 m/s^2 3.756 (1.67) 3.806 (1.65) 3.614 (1.74) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 1.344 SM 3.175 % 1.115 % -- -- --
Bridge deck: Abs. vert. motion 0.112 m^2 0.334 m 0.669 m 7.199 (0.87) 6.755 (0.93) 6.598 (0.95) s (rad/s)
Bridge deck: Rel. vert. motion 0.121 m^2 0.348 m 0.697 m 7.014 (0.90) 4.355 (1.44) 3.698 (1.70) s (rad/s)
Bridge deck: Abs. vert. velocity 0.101 m^2/s^2 0.318 m/s 0.637 m/s 7.090 (0.89) 6.100 (1.03) 5.906 (1.06) s (rad/s)
Bridge deck: Rel. vert. velocity 0.350 m^2/s^2 0.592 m/s 1.183 m/s 6.873 (0.91) 1.912 (3.29) 1.483 (4.24) s (rad/s)
Bridge deck: Abs. vert. accel 0.115 m^2/s^4 0.339 m/s^2 0.677 m/s^2 6.952 (0.90) 5.308 (1.18) 5.085 (1.24) s (rad/s)
Bridge deck: Rel. vert. accel 6.286 m^2/s^4 2.507 m/s^2 5.014 m/s^2 0.512 (12.26) 0.827 (7.60) 0.759 (8.28) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.001 m^2 0.039 m 0.077 m 7.042 (0.89) 5.654 (1.11) 5.418 (1.16) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.002 m^2/s^2 0.045 m/s 0.089 m/s 6.896 (0.91) 4.721 (1.33) 4.491 (1.40) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.004 m^2/s^4 0.063 m/s^2 0.125 m/s^2 4.085 (1.54) 3.861 (1.63) 3.667 (1.71) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.010 m^2 0.100 m 0.200 m 6.948 (0.90) 5.268 (1.19) 5.070 (1.24) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.015 m^2/s^2 0.124 m/s 0.248 m/s 6.802 (0.92) 4.508 (1.39) 4.328 (1.45) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.032 m^2/s^4 0.180 m/s^2 0.360 m/s^2 3.756 (1.67) 3.806 (1.65) 3.614 (1.74) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 1.344 SM 3.175 % 1.115 % -- -- --

Trial Speed, 18 kn; 2.92 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.956 s -- -- -- -- --
Characteristic wave height 0.300 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 2.920 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.006 m^2 0.075 m 0.150 m 9.960 (0.63) 8.340 (0.75) 7.849 (0.80) s (rad/s)
Encountered wave spectrum 0.006 m^2 0.075 m 0.150 m 6.316 (0.99) 4.675 (1.34) 3.888 (1.62) s (rad/s)
Added resistance 0.233 kN -- -- 6.257 (1.00) 5.070 (1.24) 4.703 (1.34) s (rad/s)
Heave motion 0.004 m^2 0.064 m 0.128 m 6.336 (0.99) 5.803 (1.08) 5.639 (1.11) s (rad/s)
Roll motion 0.00000 rad^2 0.00091 rad 0.00182 rad 6.101 (1.03) 4.646 (1.35) 4.482 (1.40) s (rad/s)
Pitch motion 0.00000 rad^2 0.00135 rad 0.00270 rad 6.170 (1.02) 4.815 (1.30) 4.609 (1.36) s (rad/s)
Heave velocity 0.005 m^2/s^2 0.071 m/s 0.143 m/s 6.218 (1.01) 5.117 (1.23) 4.916 (1.28) s (rad/s)
Roll velocity 0.00000 (rad/s)^2 0.00128 rad/s 0.00256 rad/s 3.759 (1.67) 4.024 (1.56) 3.885 (1.62) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00184 rad/s 0.00368 rad/s 6.024 (1.04) 4.022 (1.56) 3.843 (1.64) s (rad/s)
Heave acceleration 0.008 m^2/s^4 0.091 m/s^2 0.183 m/s^2 6.075 (1.03) 4.311 (1.46) 4.100 (1.53) s (rad/s)
Roll acceleration 0.00000 (rad/s/s)^2 0.00207 rad/s/s 0.00414 rad/s/s 3.514 (1.79) 3.485 (1.80) 3.326 (1.89) s (rad/s)
Pitch acceleration 0.00001 (rad/s/s)^2 0.00301 rad/s/s 0.00601 rad/s/s 3.336 (1.88) 3.368 (1.87) 3.236 (1.94) s (rad/s)
passenger deck aft: Abs. vert. motion 0.005 m^2 0.072 m 0.143 m 6.327 (0.99) 5.700 (1.10) 5.522 (1.14) s (rad/s)
passenger deck aft: Rel. vert. motion 0.001 m^2 0.031 m 0.062 m 6.046 (1.04) 2.459 (2.56) 2.077 (3.02) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.007 m^2/s^2 0.081 m/s 0.163 m/s 6.203 (1.01) 4.959 (1.27) 4.745 (1.32) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.009 m^2/s^2 0.094 m/s 0.189 m/s 2.430 (2.59) 1.148 (5.47) 0.940 (6.68) s (rad/s)
passenger deck aft: Abs. vert. accel 0.012 m^2/s^4 0.108 m/s^2 0.216 m/s^2 6.058 (1.04) 4.116 (1.53) 3.906 (1.61) s (rad/s)
passenger deck aft: Rel. vert. accel 0.398 m^2/s^4 0.631 m/s^2 1.262 m/s^2 0.379 (16.56) 0.591 (10.62) 0.550 (11.43) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.004 m 0.008 m 6.170 (1.02) 4.817 (1.30) 4.611 (1.36) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.010 m/s 6.024 (1.04) 4.024 (1.56) 3.844 (1.63) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.008 m/s^2 0.017 m/s^2 3.336 (1.88) 3.369 (1.87) 3.236 (1.94) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.003 m 0.005 m 6.099 (1.03) 4.650 (1.35) 4.485 (1.40) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.004 m/s 0.007 m/s 3.759 (1.67) 4.027 (1.56) 3.888 (1.62) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.006 m/s^2 0.012 m/s^2 3.514 (1.79) 3.487 (1.80) 3.328 (1.89) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.252 SM 0.073 % 0.005 % -- -- --
passenger deck forward: Abs. vert. motion 0.003 m^2 0.052 m 0.103 m 6.354 (0.99) 5.980 (1.05) 5.838 (1.08) s (rad/s)
passenger deck forward: Rel. vert. motion 0.004 m^2 0.062 m 0.124 m 6.155 (1.02) 3.952 (1.59) 3.336 (1.88) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.003 m^2/s^2 0.056 m/s 0.111 m/s 6.246 (1.01) 5.395 (1.16) 5.227 (1.20) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.014 m^2/s^2 0.117 m/s 0.234 m/s 6.012 (1.05) 1.588 (3.96) 1.178 (5.34) s (rad/s)
passenger deck forward: Abs. vert. accel 0.004 m^2/s^4 0.067 m/s^2 0.134 m/s^2 6.106 (1.03) 4.713 (1.33) 4.527 (1.39) s (rad/s)
passenger deck forward: Rel. vert. accel 0.389 m^2/s^4 0.624 m/s^2 1.247 m/s^2 0.379 (16.56) 0.610 (10.30) 0.561 (11.21) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.004 m 0.008 m 6.170 (1.02) 4.817 (1.30) 4.611 (1.36) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.010 m/s 6.024 (1.04) 4.024 (1.56) 3.844 (1.63) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.008 m/s^2 0.017 m/s^2 3.336 (1.88) 3.369 (1.87) 3.236 (1.94) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.003 m 0.005 m 6.099 (1.03) 4.650 (1.35) 4.485 (1.40) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.004 m/s 0.007 m/s 3.759 (1.67) 4.027 (1.56) 3.888 (1.62) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.006 m/s^2 0.012 m/s^2 3.514 (1.79) 3.487 (1.80) 3.328 (1.89) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.131 SM 0.013 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.003 m^2 0.052 m 0.103 m 6.354 (0.99) 5.980 (1.05) 5.838 (1.08) s (rad/s)
Bridge deck: Rel. vert. motion 0.004 m^2 0.062 m 0.124 m 6.155 (1.02) 3.952 (1.59) 3.336 (1.88) s (rad/s)
Bridge deck: Abs. vert. velocity 0.003 m^2/s^2 0.056 m/s 0.111 m/s 6.246 (1.01) 5.395 (1.16) 5.227 (1.20) s (rad/s)
Bridge deck: Rel. vert. velocity 0.014 m^2/s^2 0.117 m/s 0.234 m/s 6.012 (1.05) 1.588 (3.96) 1.178 (5.34) s (rad/s)
Bridge deck: Abs. vert. accel 0.004 m^2/s^4 0.067 m/s^2 0.134 m/s^2 6.106 (1.03) 4.713 (1.33) 4.527 (1.39) s (rad/s)
Bridge deck: Rel. vert. accel 0.389 m^2/s^4 0.624 m/s^2 1.247 m/s^2 0.379 (16.56) 0.610 (10.30) 0.561 (11.21) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.007 m 0.014 m 6.170 (1.02) 4.817 (1.30) 4.611 (1.36) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.009 m/s 0.019 m/s 6.024 (1.04) 4.024 (1.56) 3.844 (1.63) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.015 m/s^2 0.031 m/s^2 3.336 (1.88) 3.369 (1.87) 3.236 (1.94) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.005 m 0.009 m 6.099 (1.03) 4.650 (1.35) 4.485 (1.40) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.007 m/s 0.013 m/s 3.759 (1.67) 4.027 (1.56) 3.888 (1.62) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.011 m/s^2 0.021 m/s^2 3.514 (1.79) 3.487 (1.80) 3.328 (1.89) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.131 SM 0.013 % 0.000 % -- -- --

Trial Speed, 18 kn; 2.92 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 2.920 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 6.331 (0.99) 4.687 (1.34) 3.899 (1.61) s (rad/s)
Added resistance 0.932 kN -- -- 6.274 (1.00) 5.080 (1.24) 4.711 (1.33) s (rad/s)
Heave motion 0.016 m^2 0.128 m 0.257 m 6.353 (0.99) 5.816 (1.08) 5.650 (1.11) s (rad/s)
Roll motion 0.00000 rad^2 0.00182 rad 0.00364 rad 6.118 (1.03) 4.651 (1.35) 4.485 (1.40) s (rad/s)
Pitch motion 0.00001 rad^2 0.00269 rad 0.00539 rad 6.186 (1.02) 4.821 (1.30) 4.614 (1.36) s (rad/s)
Heave velocity 0.020 m^2/s^2 0.143 m/s 0.285 m/s 6.235 (1.01) 5.125 (1.23) 4.923 (1.28) s (rad/s)
Roll velocity 0.00001 (rad/s)^2 0.00255 rad/s 0.00510 rad/s 3.719 (1.69) 4.025 (1.56) 3.886 (1.62) s (rad/s)
Pitch velocity 0.00001 (rad/s)^2 0.00367 rad/s 0.00733 rad/s 6.040 (1.04) 4.025 (1.56) 3.844 (1.63) s (rad/s)
Heave acceleration 0.033 m^2/s^4 0.182 m/s^2 0.364 m/s^2 6.092 (1.03) 4.314 (1.46) 4.102 (1.53) s (rad/s)
Roll acceleration 0.00002 (rad/s/s)^2 0.00412 rad/s/s 0.00825 rad/s/s 3.525 (1.78) 3.485 (1.80) 3.327 (1.89) s (rad/s)
Pitch acceleration 0.00004 (rad/s/s)^2 0.00599 rad/s/s 0.01199 rad/s/s 3.346 (1.88) 3.369 (1.87) 3.236 (1.94) s (rad/s)
passenger deck aft: Abs. vert. motion 0.021 m^2 0.143 m 0.286 m 6.344 (0.99) 5.711 (1.10) 5.532 (1.14) s (rad/s)
passenger deck aft: Rel. vert. motion 0.004 m^2 0.062 m 0.125 m 6.062 (1.04) 2.460 (2.55) 2.079 (3.02) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.026 m^2/s^2 0.163 m/s 0.325 m/s 6.218 (1.01) 4.966 (1.27) 4.751 (1.32) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.035 m^2/s^2 0.188 m/s 0.376 m/s 2.438 (2.58) 1.150 (5.46) 0.943 (6.66) s (rad/s)
passenger deck aft: Abs. vert. accel 0.046 m^2/s^4 0.215 m/s^2 0.430 m/s^2 6.074 (1.03) 4.119 (1.53) 3.908 (1.61) s (rad/s)
passenger deck aft: Rel. vert. accel 1.571 m^2/s^4 1.253 m/s^2 2.507 m/s^2 0.379 (16.57) 0.593 (10.59) 0.552 (11.39) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.008 m 0.015 m 6.186 (1.02) 4.823 (1.30) 4.616 (1.36) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.010 m/s 0.020 m/s 6.038 (1.04) 4.026 (1.56) 3.845 (1.63) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.017 m/s^2 0.033 m/s^2 3.346 (1.88) 3.369 (1.86) 3.237 (1.94) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.005 m 0.010 m 6.116 (1.03) 4.655 (1.35) 4.489 (1.40) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.007 m/s 0.014 m/s 3.770 (1.67) 4.028 (1.56) 3.889 (1.62) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.012 m/s^2 0.023 m/s^2 3.525 (1.78) 3.487 (1.80) 3.328 (1.89) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.678 SM 0.755 % 0.144 % -- -- --
passenger deck forward: Abs. vert. motion 0.011 m^2 0.104 m 0.207 m 6.370 (0.99) 5.993 (1.05) 5.850 (1.07) s (rad/s)
passenger deck forward: Rel. vert. motion 0.015 m^2 0.124 m 0.248 m 6.172 (1.02) 3.958 (1.59) 3.341 (1.88) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.012 m^2/s^2 0.111 m/s 0.222 m/s 6.262 (1.00) 5.404 (1.16) 5.234 (1.20) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.054 m^2/s^2 0.233 m/s 0.466 m/s 6.028 (1.04) 1.592 (3.95) 1.181 (5.32) s (rad/s)
passenger deck forward: Abs. vert. accel 0.018 m^2/s^4 0.133 m/s^2 0.267 m/s^2 6.123 (1.03) 4.717 (1.33) 4.531 (1.39) s (rad/s)
passenger deck forward: Rel. vert. accel 1.535 m^2/s^4 1.239 m/s^2 2.478 m/s^2 0.379 (16.57) 0.612 (10.26) 0.563 (11.17) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.008 m 0.015 m 6.186 (1.02) 4.823 (1.30) 4.616 (1.36) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.010 m/s 0.020 m/s 6.038 (1.04) 4.026 (1.56) 3.845 (1.63) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.017 m/s^2 0.033 m/s^2 3.346 (1.88) 3.369 (1.86) 3.237 (1.94) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.005 m 0.010 m 6.116 (1.03) 4.655 (1.35) 4.489 (1.40) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.007 m/s 0.014 m/s 3.770 (1.67) 4.028 (1.56) 3.889 (1.62) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.012 m/s^2 0.023 m/s^2 3.525 (1.78) 3.487 (1.80) 3.328 (1.89) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.351 SM 0.187 % 0.021 % -- -- --
Bridge deck: Abs. vert. motion 0.011 m^2 0.104 m 0.207 m 6.370 (0.99) 5.993 (1.05) 5.850 (1.07) s (rad/s)
Bridge deck: Rel. vert. motion 0.015 m^2 0.124 m 0.248 m 6.172 (1.02) 3.958 (1.59) 3.341 (1.88) s (rad/s)
Bridge deck: Abs. vert. velocity 0.012 m^2/s^2 0.111 m/s 0.222 m/s 6.262 (1.00) 5.404 (1.16) 5.234 (1.20) s (rad/s)
Bridge deck: Rel. vert. velocity 0.054 m^2/s^2 0.233 m/s 0.466 m/s 6.028 (1.04) 1.592 (3.95) 1.181 (5.32) s (rad/s)
Bridge deck: Abs. vert. accel 0.018 m^2/s^4 0.133 m/s^2 0.267 m/s^2 6.123 (1.03) 4.717 (1.33) 4.531 (1.39) s (rad/s)
Bridge deck: Rel. vert. accel 1.535 m^2/s^4 1.239 m/s^2 2.478 m/s^2 0.379 (16.57) 0.612 (10.26) 0.563 (11.17) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.014 m 0.027 m 6.186 (1.02) 4.823 (1.30) 4.616 (1.36) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.019 m/s 0.037 m/s 6.038 (1.04) 4.026 (1.56) 3.845 (1.63) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.001 m^2/s^4 0.031 m/s^2 0.061 m/s^2 3.346 (1.88) 3.369 (1.86) 3.237 (1.94) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.009 m 0.019 m 6.116 (1.03) 4.655 (1.35) 4.489 (1.40) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.013 m/s 0.026 m/s 3.770 (1.67) 4.028 (1.56) 3.889 (1.62) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.021 m/s^2 0.042 m/s^2 3.525 (1.78) 3.487 (1.80) 3.328 (1.89) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.351 SM 0.187 % 0.021 % -- -- --

Trial Speed, 18 kn; 2.92 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.965 s -- -- -- -- --
Characteristic wave height 1.200 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 2.920 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.090 m^2 0.300 m 0.601 m 9.969 (0.63) 8.348 (0.75) 7.856 (0.80) s (rad/s)
Encountered wave spectrum 0.090 m^2 0.300 m 0.601 m 6.323 (0.99) 4.680 (1.34) 3.893 (1.61) s (rad/s)
Added resistance 3.729 kN -- -- 6.265 (1.00) 5.075 (1.24) 4.706 (1.34) s (rad/s)
Heave motion 0.066 m^2 0.257 m 0.513 m 6.344 (0.99) 5.809 (1.08) 5.644 (1.11) s (rad/s)
Roll motion 0.00001 rad^2 0.00365 rad 0.00729 rad 6.109 (1.03) 4.648 (1.35) 4.483 (1.40) s (rad/s)
Pitch motion 0.00003 rad^2 0.00539 rad 0.01078 rad 6.177 (1.02) 4.818 (1.30) 4.612 (1.36) s (rad/s)
Heave velocity 0.082 m^2/s^2 0.286 m/s 0.571 m/s 6.225 (1.01) 5.121 (1.23) 4.919 (1.28) s (rad/s)
Roll velocity 0.00003 (rad/s)^2 0.00511 rad/s 0.01022 rad/s 3.764 (1.67) 4.024 (1.56) 3.885 (1.62) s (rad/s)
Pitch velocity 0.00005 (rad/s)^2 0.00734 rad/s 0.01469 rad/s 6.031 (1.04) 4.023 (1.56) 3.843 (1.63) s (rad/s)
Heave acceleration 0.133 m^2/s^4 0.365 m/s^2 0.729 m/s^2 6.083 (1.03) 4.313 (1.46) 4.101 (1.53) s (rad/s)
Roll acceleration 0.00007 (rad/s/s)^2 0.00826 rad/s/s 0.01653 rad/s/s 3.519 (1.79) 3.485 (1.80) 3.327 (1.89) s (rad/s)
Pitch acceleration 0.00014 (rad/s/s)^2 0.01201 rad/s/s 0.02401 rad/s/s 3.341 (1.88) 3.368 (1.87) 3.236 (1.94) s (rad/s)
passenger deck aft: Abs. vert. motion 0.082 m^2 0.286 m 0.573 m 6.334 (0.99) 5.705 (1.10) 5.527 (1.14) s (rad/s)
passenger deck aft: Rel. vert. motion 0.016 m^2 0.125 m 0.249 m 6.053 (1.04) 2.460 (2.55) 2.078 (3.02) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.106 m^2/s^2 0.326 m/s 0.651 m/s 6.211 (1.01) 4.962 (1.27) 4.748 (1.32) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.142 m^2/s^2 0.377 m/s 0.754 m/s 2.434 (2.58) 1.149 (5.47) 0.942 (6.67) s (rad/s)
passenger deck aft: Abs. vert. accel 0.185 m^2/s^4 0.431 m/s^2 0.861 m/s^2 6.065 (1.04) 4.117 (1.53) 3.907 (1.61) s (rad/s)
passenger deck aft: Rel. vert. accel 6.327 m^2/s^4 2.515 m/s^2 5.031 m/s^2 0.380 (16.53) 0.592 (10.61) 0.551 (11.41) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.015 m 0.030 m 6.177 (1.02) 4.820 (1.30) 4.614 (1.36) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.021 m/s 0.041 m/s 6.029 (1.04) 4.025 (1.56) 3.845 (1.63) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.001 m^2/s^4 0.034 m/s^2 0.067 m/s^2 3.341 (1.88) 3.369 (1.86) 3.237 (1.94) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.010 m 0.020 m 6.107 (1.03) 4.652 (1.35) 4.487 (1.40) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.014 m/s 0.029 m/s 3.764 (1.67) 4.028 (1.56) 3.888 (1.62) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.001 m^2/s^4 0.023 m/s^2 0.046 m/s^2 3.519 (1.79) 3.487 (1.80) 3.328 (1.89) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 1.830 SM 4.684 % 1.817 % -- -- --
passenger deck forward: Abs. vert. motion 0.043 m^2 0.207 m 0.414 m 6.362 (0.99) 5.986 (1.05) 5.844 (1.08) s (rad/s)
passenger deck forward: Rel. vert. motion 0.062 m^2 0.248 m 0.496 m 6.163 (1.02) 3.955 (1.59) 3.338 (1.88) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.050 m^2/s^2 0.222 m/s 0.445 m/s 6.254 (1.00) 5.399 (1.16) 5.230 (1.20) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.218 m^2/s^2 0.467 m/s 0.933 m/s 6.019 (1.04) 1.590 (3.95) 1.179 (5.33) s (rad/s)
passenger deck forward: Abs. vert. accel 0.071 m^2/s^4 0.267 m/s^2 0.534 m/s^2 6.114 (1.03) 4.715 (1.33) 4.529 (1.39) s (rad/s)
passenger deck forward: Rel. vert. accel 6.183 m^2/s^4 2.487 m/s^2 4.973 m/s^2 0.380 (16.53) 0.611 (10.28) 0.562 (11.19) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.015 m 0.030 m 6.177 (1.02) 4.820 (1.30) 4.614 (1.36) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.021 m/s 0.041 m/s 6.029 (1.04) 4.025 (1.56) 3.845 (1.63) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.001 m^2/s^4 0.034 m/s^2 0.067 m/s^2 3.341 (1.88) 3.369 (1.86) 3.237 (1.94) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.010 m 0.020 m 6.107 (1.03) 4.652 (1.35) 4.487 (1.40) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.014 m/s 0.029 m/s 3.764 (1.67) 4.028 (1.56) 3.888 (1.62) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.001 m^2/s^4 0.023 m/s^2 0.046 m/s^2 3.519 (1.79) 3.487 (1.80) 3.328 (1.89) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.948 SM 1.596 % 0.423 % -- -- --
Bridge deck: Abs. vert. motion 0.043 m^2 0.207 m 0.414 m 6.362 (0.99) 5.986 (1.05) 5.844 (1.08) s (rad/s)
Bridge deck: Rel. vert. motion 0.062 m^2 0.248 m 0.496 m 6.163 (1.02) 3.955 (1.59) 3.338 (1.88) s (rad/s)
Bridge deck: Abs. vert. velocity 0.050 m^2/s^2 0.222 m/s 0.445 m/s 6.254 (1.00) 5.399 (1.16) 5.230 (1.20) s (rad/s)
Bridge deck: Rel. vert. velocity 0.218 m^2/s^2 0.467 m/s 0.933 m/s 6.019 (1.04) 1.590 (3.95) 1.179 (5.33) s (rad/s)
Bridge deck: Abs. vert. accel 0.071 m^2/s^4 0.267 m/s^2 0.534 m/s^2 6.114 (1.03) 4.715 (1.33) 4.529 (1.39) s (rad/s)
Bridge deck: Rel. vert. accel 6.183 m^2/s^4 2.487 m/s^2 4.973 m/s^2 0.380 (16.53) 0.611 (10.28) 0.562 (11.19) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.001 m^2 0.027 m 0.055 m 6.177 (1.02) 4.820 (1.30) 4.614 (1.36) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.001 m^2/s^2 0.037 m/s 0.075 m/s 6.029 (1.04) 4.025 (1.56) 3.845 (1.63) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.004 m^2/s^4 0.061 m/s^2 0.122 m/s^2 3.341 (1.88) 3.369 (1.86) 3.237 (1.94) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.019 m 0.037 m 6.107 (1.03) 4.652 (1.35) 4.487 (1.40) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.001 m^2/s^2 0.026 m/s 0.052 m/s 3.764 (1.67) 4.028 (1.56) 3.888 (1.62) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.002 m^2/s^4 0.042 m/s^2 0.084 m/s^2 3.519 (1.79) 3.487 (1.80) 3.328 (1.89) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.948 SM 1.596 % 0.423 % -- -- --

Trial Speed, 18 kn; 2.92 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 2.000 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 2.920 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.251 m^2 0.501 m 1.001 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.251 m^2 0.501 m 1.001 m 6.331 (0.99) 4.687 (1.34) 3.899 (1.61) s (rad/s)
Added resistance 10.351 kN -- -- 6.274 (1.00) 5.080 (1.24) 4.711 (1.33) s (rad/s)
Heave motion 0.183 m^2 0.428 m 0.856 m 6.353 (0.99) 5.816 (1.08) 5.650 (1.11) s (rad/s)
Roll motion 0.00004 rad^2 0.00607 rad 0.01214 rad 6.118 (1.03) 4.651 (1.35) 4.485 (1.40) s (rad/s)
Pitch motion 0.00008 rad^2 0.00898 rad 0.01796 rad 6.186 (1.02) 4.821 (1.30) 4.614 (1.36) s (rad/s)
Heave velocity 0.226 m^2/s^2 0.476 m/s 0.951 m/s 6.235 (1.01) 5.125 (1.23) 4.923 (1.28) s (rad/s)
Roll velocity 0.00007 (rad/s)^2 0.00850 rad/s 0.01701 rad/s 3.719 (1.69) 4.025 (1.56) 3.886 (1.62) s (rad/s)
Pitch velocity 0.00015 (rad/s)^2 0.01222 rad/s 0.02445 rad/s 6.040 (1.04) 4.025 (1.56) 3.844 (1.63) s (rad/s)
Heave acceleration 0.368 m^2/s^4 0.607 m/s^2 1.214 m/s^2 6.092 (1.03) 4.314 (1.46) 4.102 (1.53) s (rad/s)
Roll acceleration 0.00019 (rad/s/s)^2 0.01375 rad/s/s 0.02750 rad/s/s 3.525 (1.78) 3.485 (1.80) 3.327 (1.89) s (rad/s)
Pitch acceleration 0.00040 (rad/s/s)^2 0.01998 rad/s/s 0.03996 rad/s/s 3.346 (1.88) 3.369 (1.87) 3.236 (1.94) s (rad/s)
passenger deck aft: Abs. vert. motion 0.228 m^2 0.477 m 0.955 m 6.344 (0.99) 5.711 (1.10) 5.532 (1.14) s (rad/s)
passenger deck aft: Rel. vert. motion 0.043 m^2 0.208 m 0.415 m 6.062 (1.04) 2.460 (2.55) 2.079 (3.02) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.294 m^2/s^2 0.542 m/s 1.084 m/s 6.218 (1.01) 4.966 (1.27) 4.751 (1.32) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.393 m^2/s^2 0.627 m/s 1.254 m/s 2.438 (2.58) 1.150 (5.46) 0.943 (6.66) s (rad/s)
passenger deck aft: Abs. vert. accel 0.514 m^2/s^4 0.717 m/s^2 1.434 m/s^2 6.074 (1.03) 4.119 (1.53) 3.908 (1.61) s (rad/s)
passenger deck aft: Rel. vert. accel 17.453 m^2/s^4 4.178 m/s^2 8.355 m/s^2 0.379 (16.57) 0.593 (10.59) 0.552 (11.39) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.001 m^2 0.025 m 0.050 m 6.186 (1.02) 4.823 (1.30) 4.616 (1.36) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.001 m^2/s^2 0.034 m/s 0.068 m/s 6.038 (1.04) 4.026 (1.56) 3.845 (1.63) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.003 m^2/s^4 0.056 m/s^2 0.112 m/s^2 3.346 (1.88) 3.369 (1.86) 3.237 (1.94) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.017 m 0.034 m 6.116 (1.03) 4.655 (1.35) 4.489 (1.40) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.001 m^2/s^2 0.024 m/s 0.048 m/s 3.770 (1.67) 4.028 (1.56) 3.889 (1.62) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.001 m^2/s^4 0.038 m/s^2 0.077 m/s^2 3.525 (1.78) 3.487 (1.80) 3.328 (1.89) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 3.793 SM 13.077 % 7.282 % -- -- --
passenger deck forward: Abs. vert. motion 0.119 m^2 0.345 m 0.691 m 6.370 (0.99) 5.993 (1.05) 5.850 (1.07) s (rad/s)
passenger deck forward: Rel. vert. motion 0.171 m^2 0.413 m 0.826 m 6.172 (1.02) 3.958 (1.59) 3.341 (1.88) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.137 m^2/s^2 0.371 m/s 0.741 m/s 6.262 (1.00) 5.404 (1.16) 5.234 (1.20) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.603 m^2/s^2 0.776 m/s 1.553 m/s 6.028 (1.04) 1.592 (3.95) 1.181 (5.32) s (rad/s)
passenger deck forward: Abs. vert. accel 0.198 m^2/s^4 0.445 m/s^2 0.890 m/s^2 6.123 (1.03) 4.717 (1.33) 4.531 (1.39) s (rad/s)
passenger deck forward: Rel. vert. accel 17.059 m^2/s^4 4.130 m/s^2 8.261 m/s^2 0.379 (16.57) 0.612 (10.26) 0.563 (11.17) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.001 m^2 0.025 m 0.050 m 6.186 (1.02) 4.823 (1.30) 4.616 (1.36) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.001 m^2/s^2 0.034 m/s 0.068 m/s 6.038 (1.04) 4.026 (1.56) 3.845 (1.63) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.003 m^2/s^4 0.056 m/s^2 0.112 m/s^2 3.346 (1.88) 3.369 (1.86) 3.237 (1.94) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.017 m 0.034 m 6.116 (1.03) 4.655 (1.35) 4.489 (1.40) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.001 m^2/s^2 0.024 m/s 0.048 m/s 3.770 (1.67) 4.028 (1.56) 3.889 (1.62) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.001 m^2/s^4 0.038 m/s^2 0.077 m/s^2 3.525 (1.78) 3.487 (1.80) 3.328 (1.89) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 1.966 SM 5.572 % 2.360 % -- -- --
Bridge deck: Abs. vert. motion 0.119 m^2 0.345 m 0.691 m 6.370 (0.99) 5.993 (1.05) 5.850 (1.07) s (rad/s)
Bridge deck: Rel. vert. motion 0.171 m^2 0.413 m 0.826 m 6.172 (1.02) 3.958 (1.59) 3.341 (1.88) s (rad/s)
Bridge deck: Abs. vert. velocity 0.137 m^2/s^2 0.371 m/s 0.741 m/s 6.262 (1.00) 5.404 (1.16) 5.234 (1.20) s (rad/s)
Bridge deck: Rel. vert. velocity 0.603 m^2/s^2 0.776 m/s 1.553 m/s 6.028 (1.04) 1.592 (3.95) 1.181 (5.32) s (rad/s)
Bridge deck: Abs. vert. accel 0.198 m^2/s^4 0.445 m/s^2 0.890 m/s^2 6.123 (1.03) 4.717 (1.33) 4.531 (1.39) s (rad/s)
Bridge deck: Rel. vert. accel 17.059 m^2/s^4 4.130 m/s^2 8.261 m/s^2 0.379 (16.57) 0.612 (10.26) 0.563 (11.17) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.002 m^2 0.046 m 0.091 m 6.186 (1.02) 4.823 (1.30) 4.616 (1.36) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.004 m^2/s^2 0.062 m/s 0.124 m/s 6.038 (1.04) 4.026 (1.56) 3.845 (1.63) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.010 m^2/s^4 0.102 m/s^2 0.203 m/s^2 3.346 (1.88) 3.369 (1.86) 3.237 (1.94) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.001 m^2 0.031 m 0.062 m 6.116 (1.03) 4.655 (1.35) 4.489 (1.40) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.002 m^2/s^2 0.043 m/s 0.087 m/s 3.770 (1.67) 4.028 (1.56) 3.889 (1.62) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.005 m^2/s^4 0.070 m/s^2 0.140 m/s^2 3.525 (1.78) 3.487 (1.80) 3.328 (1.89) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 1.966 SM 5.572 % 2.360 % -- -- --

Trial Speed, 18 kn; 3.186 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.956 s -- -- -- -- --
Characteristic wave height 0.300 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 3.186 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.006 m^2 0.075 m 0.150 m 9.960 (0.63) 8.340 (0.75) 7.849 (0.80) s (rad/s)
Encountered wave spectrum 0.006 m^2 0.075 m 0.150 m 6.260 (1.00) 4.626 (1.36) 3.840 (1.64) s (rad/s)
Added resistance 0.233 kN -- -- 6.202 (1.01) 5.034 (1.25) 4.672 (1.34) s (rad/s)
Heave motion 0.004 m^2 0.064 m 0.128 m 6.281 (1.00) 5.752 (1.09) 5.588 (1.12) s (rad/s)
Roll motion 0.00000 rad^2 0.00018 rad 0.00037 rad 6.045 (1.04) 4.611 (1.36) 4.448 (1.41) s (rad/s)
Pitch motion 0.00000 rad^2 0.00137 rad 0.00273 rad 6.112 (1.03) 4.770 (1.32) 4.566 (1.38) s (rad/s)
Heave velocity 0.005 m^2/s^2 0.072 m/s 0.144 m/s 6.161 (1.02) 5.070 (1.24) 4.870 (1.29) s (rad/s)
Roll velocity 0.00000 (rad/s)^2 0.00026 rad/s 0.00052 rad/s 3.719 (1.69) 3.997 (1.57) 3.859 (1.63) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00188 rad/s 0.00376 rad/s 5.965 (1.05) 3.986 (1.58) 3.808 (1.65) s (rad/s)
Heave acceleration 0.009 m^2/s^4 0.093 m/s^2 0.186 m/s^2 6.019 (1.04) 4.271 (1.47) 4.062 (1.55) s (rad/s)
Roll acceleration 0.00000 (rad/s/s)^2 0.00042 rad/s/s 0.00085 rad/s/s 3.522 (1.78) 3.463 (1.81) 3.304 (1.90) s (rad/s)
Pitch acceleration 0.00001 (rad/s/s)^2 0.00310 rad/s/s 0.00621 rad/s/s 3.341 (1.88) 3.340 (1.88) 3.210 (1.96) s (rad/s)
passenger deck aft: Abs. vert. motion 0.005 m^2 0.072 m 0.143 m 6.271 (1.00) 5.647 (1.11) 5.469 (1.15) s (rad/s)
passenger deck aft: Rel. vert. motion 0.001 m^2 0.031 m 0.063 m 5.992 (1.05) 2.441 (2.57) 2.059 (3.05) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.007 m^2/s^2 0.082 m/s 0.165 m/s 6.145 (1.02) 4.910 (1.28) 4.698 (1.34) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.009 m^2/s^2 0.096 m/s 0.192 m/s 2.426 (2.59) 1.130 (5.56) 0.924 (6.80) s (rad/s)
passenger deck aft: Abs. vert. accel 0.012 m^2/s^4 0.110 m/s^2 0.220 m/s^2 6.002 (1.05) 4.075 (1.54) 3.868 (1.62) s (rad/s)
passenger deck aft: Rel. vert. accel 0.426 m^2/s^4 0.653 m/s^2 1.305 m/s^2 0.367 (17.14) 0.580 (10.84) 0.539 (11.66) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.004 m 0.008 m 6.112 (1.03) 4.772 (1.32) 4.568 (1.38) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.011 m/s 5.965 (1.05) 3.987 (1.58) 3.809 (1.65) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.009 m/s^2 0.017 m/s^2 3.341 (1.88) 3.341 (1.88) 3.211 (1.96) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.001 m 0.001 m 6.047 (1.04) 4.615 (1.36) 4.452 (1.41) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.001 m/s 0.001 m/s 3.719 (1.69) 4.000 (1.57) 3.862 (1.63) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.001 m/s^2 0.002 m/s^2 3.522 (1.78) 3.465 (1.81) 3.305 (1.90) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.260 SM 0.078 % 0.006 % -- -- --
passenger deck forward: Abs. vert. motion 0.003 m^2 0.052 m 0.104 m 6.299 (1.00) 5.932 (1.06) 5.791 (1.08) s (rad/s)
passenger deck forward: Rel. vert. motion 0.004 m^2 0.063 m 0.126 m 6.101 (1.03) 3.930 (1.60) 3.316 (1.89) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.003 m^2/s^2 0.056 m/s 0.112 m/s 6.190 (1.02) 5.352 (1.17) 5.186 (1.21) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.014 m^2/s^2 0.119 m/s 0.238 m/s 5.958 (1.05) 1.568 (4.01) 1.159 (5.42) s (rad/s)
passenger deck forward: Abs. vert. accel 0.005 m^2/s^4 0.068 m/s^2 0.136 m/s^2 6.052 (1.04) 4.678 (1.34) 4.495 (1.40) s (rad/s)
passenger deck forward: Rel. vert. accel 0.416 m^2/s^4 0.645 m/s^2 1.290 m/s^2 0.367 (17.14) 0.598 (10.51) 0.550 (11.43) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.004 m 0.008 m 6.112 (1.03) 4.772 (1.32) 4.568 (1.38) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.011 m/s 5.965 (1.05) 3.987 (1.58) 3.809 (1.65) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.009 m/s^2 0.017 m/s^2 3.341 (1.88) 3.341 (1.88) 3.211 (1.96) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.001 m 0.001 m 6.047 (1.04) 4.615 (1.36) 4.452 (1.41) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.001 m/s 0.001 m/s 3.719 (1.69) 4.000 (1.57) 3.862 (1.63) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.001 m/s^2 0.002 m/s^2 3.522 (1.78) 3.465 (1.81) 3.305 (1.90) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.134 SM 0.014 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.003 m^2 0.052 m 0.104 m 6.299 (1.00) 5.932 (1.06) 5.791 (1.08) s (rad/s)
Bridge deck: Rel. vert. motion 0.004 m^2 0.063 m 0.126 m 6.101 (1.03) 3.930 (1.60) 3.316 (1.89) s (rad/s)
Bridge deck: Abs. vert. velocity 0.003 m^2/s^2 0.056 m/s 0.112 m/s 6.190 (1.02) 5.352 (1.17) 5.186 (1.21) s (rad/s)
Bridge deck: Rel. vert. velocity 0.014 m^2/s^2 0.119 m/s 0.238 m/s 5.958 (1.05) 1.568 (4.01) 1.159 (5.42) s (rad/s)
Bridge deck: Abs. vert. accel 0.005 m^2/s^4 0.068 m/s^2 0.136 m/s^2 6.052 (1.04) 4.678 (1.34) 4.495 (1.40) s (rad/s)
Bridge deck: Rel. vert. accel 0.416 m^2/s^4 0.645 m/s^2 1.290 m/s^2 0.367 (17.14) 0.598 (10.51) 0.550 (11.43) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.007 m 0.014 m 6.112 (1.03) 4.772 (1.32) 4.568 (1.38) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.010 m/s 0.019 m/s 5.965 (1.05) 3.987 (1.58) 3.809 (1.65) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.016 m/s^2 0.032 m/s^2 3.341 (1.88) 3.341 (1.88) 3.211 (1.96) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.001 m 0.002 m 6.047 (1.04) 4.615 (1.36) 4.452 (1.41) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.001 m/s 0.003 m/s 3.719 (1.69) 4.000 (1.57) 3.862 (1.63) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.002 m/s^2 0.004 m/s^2 3.522 (1.78) 3.465 (1.81) 3.305 (1.90) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.134 SM 0.014 % 0.000 % -- -- --

Trial Speed, 18 kn; 3.186 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 3.186 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 6.276 (1.00) 4.639 (1.35) 3.851 (1.63) s (rad/s)
Added resistance 0.930 kN -- -- 6.219 (1.01) 5.043 (1.25) 4.680 (1.34) s (rad/s)
Heave motion 0.017 m^2 0.129 m 0.257 m 6.298 (1.00) 5.764 (1.09) 5.599 (1.12) s (rad/s)
Roll motion 0.00000 rad^2 0.00037 rad 0.00074 rad 6.062 (1.04) 4.615 (1.36) 4.452 (1.41) s (rad/s)
Pitch motion 0.00001 rad^2 0.00273 rad 0.00546 rad 6.128 (1.03) 4.776 (1.32) 4.571 (1.37) s (rad/s)
Heave velocity 0.021 m^2/s^2 0.144 m/s 0.288 m/s 6.178 (1.02) 5.078 (1.24) 4.877 (1.29) s (rad/s)
Roll velocity 0.00000 (rad/s)^2 0.00052 rad/s 0.00104 rad/s 3.729 (1.68) 3.998 (1.57) 3.860 (1.63) s (rad/s)
Pitch velocity 0.00001 (rad/s)^2 0.00375 rad/s 0.00750 rad/s 5.981 (1.05) 3.988 (1.58) 3.810 (1.65) s (rad/s)
Heave acceleration 0.035 m^2/s^4 0.186 m/s^2 0.372 m/s^2 6.036 (1.04) 4.274 (1.47) 4.065 (1.55) s (rad/s)
Roll acceleration 0.00000 (rad/s/s)^2 0.00085 rad/s/s 0.00169 rad/s/s 3.532 (1.78) 3.463 (1.81) 3.304 (1.90) s (rad/s)
Pitch acceleration 0.00004 (rad/s/s)^2 0.00619 rad/s/s 0.01238 rad/s/s 3.351 (1.87) 3.341 (1.88) 3.211 (1.96) s (rad/s)
passenger deck aft: Abs. vert. motion 0.021 m^2 0.144 m 0.287 m 6.287 (1.00) 5.658 (1.11) 5.480 (1.15) s (rad/s)
passenger deck aft: Rel. vert. motion 0.004 m^2 0.063 m 0.125 m 6.009 (1.05) 2.443 (2.57) 2.061 (3.05) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.027 m^2/s^2 0.165 m/s 0.329 m/s 6.162 (1.02) 4.917 (1.28) 4.703 (1.34) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.037 m^2/s^2 0.191 m/s 0.382 m/s 2.433 (2.58) 1.133 (5.55) 0.927 (6.78) s (rad/s)
passenger deck aft: Abs. vert. accel 0.048 m^2/s^4 0.220 m/s^2 0.440 m/s^2 6.017 (1.04) 4.077 (1.54) 3.870 (1.62) s (rad/s)
passenger deck aft: Rel. vert. accel 1.681 m^2/s^4 1.296 m/s^2 2.593 m/s^2 0.366 (17.15) 0.582 (10.80) 0.541 (11.61) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.008 m 0.015 m 6.128 (1.03) 4.778 (1.32) 4.573 (1.37) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.010 m/s 0.021 m/s 5.981 (1.05) 3.989 (1.58) 3.811 (1.65) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.017 m/s^2 0.035 m/s^2 3.351 (1.87) 3.342 (1.88) 3.211 (1.96) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.001 m 0.002 m 6.062 (1.04) 4.619 (1.36) 4.456 (1.41) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.001 m/s 0.003 m/s 3.729 (1.68) 4.001 (1.57) 3.863 (1.63) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.002 m/s^2 0.005 m/s^2 3.532 (1.78) 3.465 (1.81) 3.306 (1.90) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.697 SM 0.792 % 0.153 % -- -- --
passenger deck forward: Abs. vert. motion 0.011 m^2 0.104 m 0.207 m 6.314 (1.00) 5.944 (1.06) 5.803 (1.08) s (rad/s)
passenger deck forward: Rel. vert. motion 0.016 m^2 0.125 m 0.251 m 6.116 (1.03) 3.936 (1.60) 3.321 (1.89) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.013 m^2/s^2 0.112 m/s 0.225 m/s 6.207 (1.01) 5.361 (1.17) 5.194 (1.21) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.056 m^2/s^2 0.237 m/s 0.474 m/s 5.973 (1.05) 1.572 (4.00) 1.163 (5.40) s (rad/s)
passenger deck forward: Abs. vert. accel 0.018 m^2/s^4 0.136 m/s^2 0.272 m/s^2 6.067 (1.04) 4.683 (1.34) 4.498 (1.40) s (rad/s)
passenger deck forward: Rel. vert. accel 1.642 m^2/s^4 1.281 m/s^2 2.563 m/s^2 0.366 (17.15) 0.600 (10.47) 0.551 (11.39) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.008 m 0.015 m 6.128 (1.03) 4.778 (1.32) 4.573 (1.37) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.010 m/s 0.021 m/s 5.981 (1.05) 3.989 (1.58) 3.811 (1.65) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.017 m/s^2 0.035 m/s^2 3.351 (1.87) 3.342 (1.88) 3.211 (1.96) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.001 m 0.002 m 6.062 (1.04) 4.619 (1.36) 4.456 (1.41) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.001 m/s 0.003 m/s 3.729 (1.68) 4.001 (1.57) 3.863 (1.63) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.002 m/s^2 0.005 m/s^2 3.532 (1.78) 3.465 (1.81) 3.306 (1.90) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.360 SM 0.197 % 0.022 % -- -- --
Bridge deck: Abs. vert. motion 0.011 m^2 0.104 m 0.207 m 6.314 (1.00) 5.944 (1.06) 5.803 (1.08) s (rad/s)
Bridge deck: Rel. vert. motion 0.016 m^2 0.125 m 0.251 m 6.116 (1.03) 3.936 (1.60) 3.321 (1.89) s (rad/s)
Bridge deck: Abs. vert. velocity 0.013 m^2/s^2 0.112 m/s 0.225 m/s 6.207 (1.01) 5.361 (1.17) 5.194 (1.21) s (rad/s)
Bridge deck: Rel. vert. velocity 0.056 m^2/s^2 0.237 m/s 0.474 m/s 5.973 (1.05) 1.572 (4.00) 1.163 (5.40) s (rad/s)
Bridge deck: Abs. vert. accel 0.018 m^2/s^4 0.136 m/s^2 0.272 m/s^2 6.067 (1.04) 4.683 (1.34) 4.498 (1.40) s (rad/s)
Bridge deck: Rel. vert. accel 1.642 m^2/s^4 1.281 m/s^2 2.563 m/s^2 0.366 (17.15) 0.600 (10.47) 0.551 (11.39) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.014 m 0.028 m 6.128 (1.03) 4.778 (1.32) 4.573 (1.37) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.019 m/s 0.038 m/s 5.981 (1.05) 3.989 (1.58) 3.811 (1.65) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.001 m^2/s^4 0.031 m/s^2 0.063 m/s^2 3.351 (1.87) 3.342 (1.88) 3.211 (1.96) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.002 m 0.004 m 6.062 (1.04) 4.619 (1.36) 4.456 (1.41) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.003 m/s 0.005 m/s 3.729 (1.68) 4.001 (1.57) 3.863 (1.63) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.004 m/s^2 0.009 m/s^2 3.532 (1.78) 3.465 (1.81) 3.306 (1.90) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.360 SM 0.197 % 0.022 % -- -- --

Trial Speed, 18 kn; 3.186 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.965 s -- -- -- -- --
Characteristic wave height 1.200 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 3.186 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.090 m^2 0.300 m 0.601 m 9.969 (0.63) 8.348 (0.75) 7.856 (0.80) s (rad/s)
Encountered wave spectrum 0.090 m^2 0.300 m 0.601 m 6.268 (1.00) 4.632 (1.36) 3.845 (1.63) s (rad/s)
Added resistance 3.723 kN -- -- 6.210 (1.01) 5.038 (1.25) 4.676 (1.34) s (rad/s)
Heave motion 0.066 m^2 0.257 m 0.514 m 6.288 (1.00) 5.758 (1.09) 5.594 (1.12) s (rad/s)
Roll motion 0.00000 rad^2 0.00074 rad 0.00147 rad 6.053 (1.04) 4.613 (1.36) 4.450 (1.41) s (rad/s)
Pitch motion 0.00003 rad^2 0.00546 rad 0.01093 rad 6.119 (1.03) 4.772 (1.32) 4.568 (1.38) s (rad/s)
Heave velocity 0.083 m^2/s^2 0.289 m/s 0.577 m/s 6.169 (1.02) 5.073 (1.24) 4.873 (1.29) s (rad/s)
Roll velocity 0.00000 (rad/s)^2 0.00104 rad/s 0.00208 rad/s 3.724 (1.69) 3.997 (1.57) 3.860 (1.63) s (rad/s)
Pitch velocity 0.00006 (rad/s)^2 0.00752 rad/s 0.01503 rad/s 5.972 (1.05) 3.987 (1.58) 3.809 (1.65) s (rad/s)
Heave acceleration 0.138 m^2/s^4 0.372 m/s^2 0.744 m/s^2 6.027 (1.04) 4.272 (1.47) 4.063 (1.55) s (rad/s)
Roll acceleration 0.00000 (rad/s/s)^2 0.00169 rad/s/s 0.00339 rad/s/s 3.527 (1.78) 3.463 (1.81) 3.304 (1.90) s (rad/s)
Pitch acceleration 0.00015 (rad/s/s)^2 0.01240 rad/s/s 0.02479 rad/s/s 3.346 (1.88) 3.341 (1.88) 3.210 (1.96) s (rad/s)
passenger deck aft: Abs. vert. motion 0.082 m^2 0.287 m 0.574 m 6.279 (1.00) 5.652 (1.11) 5.474 (1.15) s (rad/s)
passenger deck aft: Rel. vert. motion 0.016 m^2 0.126 m 0.251 m 6.000 (1.05) 2.442 (2.57) 2.060 (3.05) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.108 m^2/s^2 0.329 m/s 0.659 m/s 6.153 (1.02) 4.913 (1.28) 4.700 (1.34) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.147 m^2/s^2 0.383 m/s 0.767 m/s 2.430 (2.59) 1.131 (5.55) 0.925 (6.79) s (rad/s)
passenger deck aft: Abs. vert. accel 0.194 m^2/s^4 0.440 m/s^2 0.880 m/s^2 6.010 (1.05) 4.076 (1.54) 3.869 (1.62) s (rad/s)
passenger deck aft: Rel. vert. accel 6.771 m^2/s^4 2.602 m/s^2 5.204 m/s^2 0.366 (17.18) 0.581 (10.82) 0.540 (11.63) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.015 m 0.031 m 6.119 (1.03) 4.774 (1.32) 4.570 (1.37) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.021 m/s 0.042 m/s 5.972 (1.05) 3.988 (1.58) 3.810 (1.65) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.001 m^2/s^4 0.035 m/s^2 0.069 m/s^2 3.346 (1.88) 3.341 (1.88) 3.211 (1.96) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.002 m 0.004 m 6.053 (1.04) 4.617 (1.36) 4.454 (1.41) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.003 m/s 0.006 m/s 3.724 (1.69) 4.000 (1.57) 3.863 (1.63) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.005 m/s^2 0.009 m/s^2 3.527 (1.78) 3.465 (1.81) 3.306 (1.90) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 1.882 SM 4.854 % 1.902 % -- -- --
passenger deck forward: Abs. vert. motion 0.043 m^2 0.207 m 0.415 m 6.307 (1.00) 5.937 (1.06) 5.797 (1.08) s (rad/s)
passenger deck forward: Rel. vert. motion 0.063 m^2 0.251 m 0.502 m 6.109 (1.03) 3.933 (1.60) 3.318 (1.89) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.050 m^2/s^2 0.225 m/s 0.449 m/s 6.198 (1.01) 5.356 (1.17) 5.190 (1.21) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.226 m^2/s^2 0.475 m/s 0.951 m/s 5.964 (1.05) 1.570 (4.00) 1.161 (5.41) s (rad/s)
passenger deck forward: Abs. vert. accel 0.074 m^2/s^4 0.272 m/s^2 0.544 m/s^2 6.060 (1.04) 4.680 (1.34) 4.496 (1.40) s (rad/s)
passenger deck forward: Rel. vert. accel 6.615 m^2/s^4 2.572 m/s^2 5.144 m/s^2 0.366 (17.18) 0.599 (10.49) 0.550 (11.41) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.015 m 0.031 m 6.119 (1.03) 4.774 (1.32) 4.570 (1.37) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.021 m/s 0.042 m/s 5.972 (1.05) 3.988 (1.58) 3.810 (1.65) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.001 m^2/s^4 0.035 m/s^2 0.069 m/s^2 3.346 (1.88) 3.341 (1.88) 3.211 (1.96) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.002 m 0.004 m 6.053 (1.04) 4.617 (1.36) 4.454 (1.41) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.003 m/s 0.006 m/s 3.724 (1.69) 4.000 (1.57) 3.863 (1.63) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.005 m/s^2 0.009 m/s^2 3.527 (1.78) 3.465 (1.81) 3.306 (1.90) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.971 SM 1.660 % 0.446 % -- -- --
Bridge deck: Abs. vert. motion 0.043 m^2 0.207 m 0.415 m 6.307 (1.00) 5.937 (1.06) 5.797 (1.08) s (rad/s)
Bridge deck: Rel. vert. motion 0.063 m^2 0.251 m 0.502 m 6.109 (1.03) 3.933 (1.60) 3.318 (1.89) s (rad/s)
Bridge deck: Abs. vert. velocity 0.050 m^2/s^2 0.225 m/s 0.449 m/s 6.198 (1.01) 5.356 (1.17) 5.190 (1.21) s (rad/s)
Bridge deck: Rel. vert. velocity 0.226 m^2/s^2 0.475 m/s 0.951 m/s 5.964 (1.05) 1.570 (4.00) 1.161 (5.41) s (rad/s)
Bridge deck: Abs. vert. accel 0.074 m^2/s^4 0.272 m/s^2 0.544 m/s^2 6.060 (1.04) 4.680 (1.34) 4.496 (1.40) s (rad/s)
Bridge deck: Rel. vert. accel 6.615 m^2/s^4 2.572 m/s^2 5.144 m/s^2 0.366 (17.18) 0.599 (10.49) 0.550 (11.41) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.001 m^2 0.028 m 0.056 m 6.119 (1.03) 4.774 (1.32) 4.570 (1.37) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.001 m^2/s^2 0.038 m/s 0.077 m/s 5.972 (1.05) 3.988 (1.58) 3.810 (1.65) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.004 m^2/s^4 0.063 m/s^2 0.126 m/s^2 3.346 (1.88) 3.341 (1.88) 3.211 (1.96) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.004 m 0.008 m 6.053 (1.04) 4.617 (1.36) 4.454 (1.41) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.005 m/s 0.011 m/s 3.724 (1.69) 4.000 (1.57) 3.863 (1.63) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.009 m/s^2 0.017 m/s^2 3.527 (1.78) 3.465 (1.81) 3.306 (1.90) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.971 SM 1.660 % 0.446 % -- -- --

Trial Speed, 18 kn; 3.186 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 2.000 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 3.186 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.251 m^2 0.501 m 1.001 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.251 m^2 0.501 m 1.001 m 6.276 (1.00) 4.639 (1.35) 3.851 (1.63) s (rad/s)
Added resistance 10.335 kN -- -- 6.219 (1.01) 5.043 (1.25) 4.680 (1.34) s (rad/s)
Heave motion 0.184 m^2 0.428 m 0.857 m 6.298 (1.00) 5.764 (1.09) 5.599 (1.12) s (rad/s)
Roll motion 0.00000 rad^2 0.00123 rad 0.00245 rad 6.062 (1.04) 4.615 (1.36) 4.452 (1.41) s (rad/s)
Pitch motion 0.00008 rad^2 0.00910 rad 0.01820 rad 6.128 (1.03) 4.776 (1.32) 4.571 (1.37) s (rad/s)
Heave velocity 0.231 m^2/s^2 0.481 m/s 0.961 m/s 6.178 (1.02) 5.078 (1.24) 4.877 (1.29) s (rad/s)
Roll velocity 0.00000 (rad/s)^2 0.00173 rad/s 0.00346 rad/s 3.729 (1.68) 3.998 (1.57) 3.860 (1.63) s (rad/s)
Pitch velocity 0.00016 (rad/s)^2 0.01251 rad/s 0.02501 rad/s 5.981 (1.05) 3.988 (1.58) 3.810 (1.65) s (rad/s)
Heave acceleration 0.383 m^2/s^4 0.619 m/s^2 1.238 m/s^2 6.036 (1.04) 4.274 (1.47) 4.065 (1.55) s (rad/s)
Roll acceleration 0.00001 (rad/s/s)^2 0.00282 rad/s/s 0.00564 rad/s/s 3.532 (1.78) 3.463 (1.81) 3.304 (1.90) s (rad/s)
Pitch acceleration 0.00043 (rad/s/s)^2 0.02063 rad/s/s 0.04125 rad/s/s 3.351 (1.87) 3.341 (1.88) 3.211 (1.96) s (rad/s)
passenger deck aft: Abs. vert. motion 0.229 m^2 0.478 m 0.957 m 6.287 (1.00) 5.658 (1.11) 5.480 (1.15) s (rad/s)
passenger deck aft: Rel. vert. motion 0.044 m^2 0.209 m 0.418 m 6.009 (1.05) 2.443 (2.57) 2.061 (3.05) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.301 m^2/s^2 0.548 m/s 1.097 m/s 6.162 (1.02) 4.917 (1.28) 4.703 (1.34) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.406 m^2/s^2 0.637 m/s 1.275 m/s 2.433 (2.58) 1.133 (5.55) 0.927 (6.78) s (rad/s)
passenger deck aft: Abs. vert. accel 0.537 m^2/s^4 0.733 m/s^2 1.465 m/s^2 6.017 (1.04) 4.077 (1.54) 3.870 (1.62) s (rad/s)
passenger deck aft: Rel. vert. accel 18.676 m^2/s^4 4.322 m/s^2 8.643 m/s^2 0.366 (17.15) 0.582 (10.80) 0.541 (11.61) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.001 m^2 0.025 m 0.051 m 6.128 (1.03) 4.778 (1.32) 4.573 (1.37) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.001 m^2/s^2 0.035 m/s 0.070 m/s 5.981 (1.05) 3.989 (1.58) 3.811 (1.65) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.003 m^2/s^4 0.058 m/s^2 0.115 m/s^2 3.351 (1.87) 3.342 (1.88) 3.211 (1.96) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.003 m 0.007 m 6.062 (1.04) 4.619 (1.36) 4.456 (1.41) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.005 m/s 0.010 m/s 3.729 (1.68) 4.001 (1.57) 3.863 (1.63) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.008 m/s^2 0.016 m/s^2 3.532 (1.78) 3.465 (1.81) 3.306 (1.90) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 3.899 SM 13.446 % 7.539 % -- -- --
passenger deck forward: Abs. vert. motion 0.120 m^2 0.346 m 0.692 m 6.314 (1.00) 5.944 (1.06) 5.803 (1.08) s (rad/s)
passenger deck forward: Rel. vert. motion 0.175 m^2 0.418 m 0.836 m 6.116 (1.03) 3.936 (1.60) 3.321 (1.89) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.140 m^2/s^2 0.374 m/s 0.749 m/s 6.207 (1.01) 5.361 (1.17) 5.194 (1.21) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.625 m^2/s^2 0.791 m/s 1.581 m/s 5.973 (1.05) 1.572 (4.00) 1.163 (5.40) s (rad/s)
passenger deck forward: Abs. vert. accel 0.205 m^2/s^4 0.453 m/s^2 0.905 m/s^2 6.067 (1.04) 4.683 (1.34) 4.498 (1.40) s (rad/s)
passenger deck forward: Rel. vert. accel 18.247 m^2/s^4 4.272 m/s^2 8.543 m/s^2 0.366 (17.15) 0.600 (10.47) 0.551 (11.39) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.001 m^2 0.025 m 0.051 m 6.128 (1.03) 4.778 (1.32) 4.573 (1.37) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.001 m^2/s^2 0.035 m/s 0.070 m/s 5.981 (1.05) 3.989 (1.58) 3.811 (1.65) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.003 m^2/s^4 0.058 m/s^2 0.115 m/s^2 3.351 (1.87) 3.342 (1.88) 3.211 (1.96) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.003 m 0.007 m 6.062 (1.04) 4.619 (1.36) 4.456 (1.41) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.005 m/s 0.010 m/s 3.729 (1.68) 4.001 (1.57) 3.863 (1.63) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.008 m/s^2 0.016 m/s^2 3.532 (1.78) 3.465 (1.81) 3.306 (1.90) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 2.013 SM 5.752 % 2.461 % -- -- --
Bridge deck: Abs. vert. motion 0.120 m^2 0.346 m 0.692 m 6.314 (1.00) 5.944 (1.06) 5.803 (1.08) s (rad/s)
Bridge deck: Rel. vert. motion 0.175 m^2 0.418 m 0.836 m 6.116 (1.03) 3.936 (1.60) 3.321 (1.89) s (rad/s)
Bridge deck: Abs. vert. velocity 0.140 m^2/s^2 0.374 m/s 0.749 m/s 6.207 (1.01) 5.361 (1.17) 5.194 (1.21) s (rad/s)
Bridge deck: Rel. vert. velocity 0.625 m^2/s^2 0.791 m/s 1.581 m/s 5.973 (1.05) 1.572 (4.00) 1.163 (5.40) s (rad/s)
Bridge deck: Abs. vert. accel 0.205 m^2/s^4 0.453 m/s^2 0.905 m/s^2 6.067 (1.04) 4.683 (1.34) 4.498 (1.40) s (rad/s)
Bridge deck: Rel. vert. accel 18.247 m^2/s^4 4.272 m/s^2 8.543 m/s^2 0.366 (17.15) 0.600 (10.47) 0.551 (11.39) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.002 m^2 0.046 m 0.093 m 6.128 (1.03) 4.778 (1.32) 4.573 (1.37) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.004 m^2/s^2 0.064 m/s 0.127 m/s 5.981 (1.05) 3.989 (1.58) 3.811 (1.65) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.011 m^2/s^4 0.105 m/s^2 0.210 m/s^2 3.351 (1.87) 3.342 (1.88) 3.211 (1.96) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.006 m 0.013 m 6.062 (1.04) 4.619 (1.36) 4.456 (1.41) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.009 m/s 0.018 m/s 3.729 (1.68) 4.001 (1.57) 3.863 (1.63) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.014 m/s^2 0.029 m/s^2 3.532 (1.78) 3.465 (1.81) 3.306 (1.90) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 2.013 SM 5.752 % 2.461 % -- -- --

Trial Speed, 18 kn; 3.451 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.956 s -- -- -- -- --
Characteristic wave height 0.300 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 3.451 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.006 m^2 0.075 m 0.150 m 9.960 (0.63) 8.340 (0.75) 7.849 (0.80) s (rad/s)
Encountered wave spectrum 0.006 m^2 0.075 m 0.150 m 6.371 (0.99) 4.724 (1.33) 3.937 (1.60) s (rad/s)
Added resistance 0.234 kN -- -- 6.313 (1.00) 5.108 (1.23) 4.734 (1.33) s (rad/s)
Heave motion 0.004 m^2 0.064 m 0.128 m 6.393 (0.98) 5.856 (1.07) 5.690 (1.10) s (rad/s)
Roll motion 0.00000 rad^2 0.00126 rad 0.00253 rad 6.157 (1.02) 4.683 (1.34) 4.516 (1.39) s (rad/s)
Pitch motion 0.00000 rad^2 0.00133 rad 0.00266 rad 6.228 (1.01) 4.863 (1.29) 4.654 (1.35) s (rad/s)
Heave velocity 0.005 m^2/s^2 0.071 m/s 0.141 m/s 6.275 (1.00) 5.165 (1.22) 4.963 (1.27) s (rad/s)
Roll velocity 0.00000 (rad/s)^2 0.00176 rad/s 0.00352 rad/s 3.749 (1.68) 4.052 (1.55) 3.911 (1.61) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00180 rad/s 0.00359 rad/s 6.083 (1.03) 4.061 (1.55) 3.878 (1.62) s (rad/s)
Heave acceleration 0.008 m^2/s^4 0.089 m/s^2 0.179 m/s^2 6.133 (1.02) 4.352 (1.44) 4.138 (1.52) s (rad/s)
Roll acceleration 0.00001 (rad/s/s)^2 0.00283 rad/s/s 0.00565 rad/s/s 3.508 (1.79) 3.506 (1.79) 3.348 (1.88) s (rad/s)
Pitch acceleration 0.00001 (rad/s/s)^2 0.00291 rad/s/s 0.00582 rad/s/s 3.374 (1.86) 3.397 (1.85) 3.262 (1.93) s (rad/s)
passenger deck aft: Abs. vert. motion 0.005 m^2 0.071 m 0.143 m 6.384 (0.98) 5.753 (1.09) 5.575 (1.13) s (rad/s)
passenger deck aft: Rel. vert. motion 0.001 m^2 0.031 m 0.062 m 6.100 (1.03) 2.477 (2.54) 2.096 (3.00) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.006 m^2/s^2 0.080 m/s 0.161 m/s 6.260 (1.00) 5.009 (1.25) 4.794 (1.31) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.009 m^2/s^2 0.093 m/s 0.186 m/s 2.515 (2.50) 1.166 (5.39) 0.957 (6.57) s (rad/s)
passenger deck aft: Abs. vert. accel 0.011 m^2/s^4 0.105 m/s^2 0.211 m/s^2 6.116 (1.03) 4.158 (1.51) 3.945 (1.59) s (rad/s)
passenger deck aft: Rel. vert. accel 0.372 m^2/s^4 0.610 m/s^2 1.220 m/s^2 0.379 (16.58) 0.603 (10.42) 0.561 (11.21) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.004 m 0.007 m 6.228 (1.01) 4.865 (1.29) 4.656 (1.35) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.010 m/s 6.081 (1.03) 4.062 (1.55) 3.880 (1.62) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.008 m/s^2 0.016 m/s^2 3.332 (1.89) 3.397 (1.85) 3.262 (1.93) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.004 m 0.007 m 6.154 (1.02) 4.687 (1.34) 4.520 (1.39) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.005 m/s 0.010 m/s 6.005 (1.05) 4.055 (1.55) 3.914 (1.61) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.008 m/s^2 0.016 m/s^2 3.508 (1.79) 3.508 (1.79) 3.350 (1.88) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.246 SM 0.069 % 0.005 % -- -- --
passenger deck forward: Abs. vert. motion 0.003 m^2 0.052 m 0.103 m 6.410 (0.98) 6.029 (1.04) 5.886 (1.07) s (rad/s)
passenger deck forward: Rel. vert. motion 0.004 m^2 0.061 m 0.123 m 6.210 (1.01) 3.975 (1.58) 3.356 (1.87) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.003 m^2/s^2 0.055 m/s 0.110 m/s 6.302 (1.00) 5.438 (1.16) 5.268 (1.19) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.013 m^2/s^2 0.115 m/s 0.230 m/s 6.068 (1.04) 1.607 (3.91) 1.195 (5.26) s (rad/s)
passenger deck forward: Abs. vert. accel 0.004 m^2/s^4 0.066 m/s^2 0.131 m/s^2 6.163 (1.02) 4.748 (1.32) 4.560 (1.38) s (rad/s)
passenger deck forward: Rel. vert. accel 0.364 m^2/s^4 0.603 m/s^2 1.207 m/s^2 0.379 (16.58) 0.622 (10.10) 0.572 (10.99) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.004 m 0.007 m 6.228 (1.01) 4.865 (1.29) 4.656 (1.35) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.010 m/s 6.081 (1.03) 4.062 (1.55) 3.880 (1.62) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.008 m/s^2 0.016 m/s^2 3.332 (1.89) 3.397 (1.85) 3.262 (1.93) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.004 m 0.007 m 6.154 (1.02) 4.687 (1.34) 4.520 (1.39) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.005 m/s 0.010 m/s 6.005 (1.05) 4.055 (1.55) 3.914 (1.61) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.008 m/s^2 0.016 m/s^2 3.508 (1.79) 3.508 (1.79) 3.350 (1.88) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.128 SM 0.012 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.003 m^2 0.052 m 0.103 m 6.410 (0.98) 6.029 (1.04) 5.886 (1.07) s (rad/s)
Bridge deck: Rel. vert. motion 0.004 m^2 0.061 m 0.123 m 6.210 (1.01) 3.975 (1.58) 3.356 (1.87) s (rad/s)
Bridge deck: Abs. vert. velocity 0.003 m^2/s^2 0.055 m/s 0.110 m/s 6.302 (1.00) 5.438 (1.16) 5.268 (1.19) s (rad/s)
Bridge deck: Rel. vert. velocity 0.013 m^2/s^2 0.115 m/s 0.230 m/s 6.068 (1.04) 1.607 (3.91) 1.195 (5.26) s (rad/s)
Bridge deck: Abs. vert. accel 0.004 m^2/s^4 0.066 m/s^2 0.131 m/s^2 6.163 (1.02) 4.748 (1.32) 4.560 (1.38) s (rad/s)
Bridge deck: Rel. vert. accel 0.364 m^2/s^4 0.603 m/s^2 1.207 m/s^2 0.379 (16.58) 0.622 (10.10) 0.572 (10.99) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.007 m 0.014 m 6.228 (1.01) 4.865 (1.29) 4.656 (1.35) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.009 m/s 0.018 m/s 6.081 (1.03) 4.062 (1.55) 3.880 (1.62) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.015 m/s^2 0.030 m/s^2 3.332 (1.89) 3.397 (1.85) 3.262 (1.93) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.006 m 0.013 m 6.154 (1.02) 4.687 (1.34) 4.520 (1.39) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.009 m/s 0.018 m/s 6.005 (1.05) 4.055 (1.55) 3.914 (1.61) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.014 m/s^2 0.029 m/s^2 3.508 (1.79) 3.508 (1.79) 3.350 (1.88) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.128 SM 0.012 % 0.000 % -- -- --

Trial Speed, 18 kn; 3.451 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 3.451 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 6.387 (0.98) 4.737 (1.33) 3.948 (1.59) s (rad/s)
Added resistance 0.933 kN -- -- 6.330 (0.99) 5.117 (1.23) 4.742 (1.33) s (rad/s)
Heave motion 0.016 m^2 0.128 m 0.256 m 6.409 (0.98) 5.868 (1.07) 5.701 (1.10) s (rad/s)
Roll motion 0.00001 rad^2 0.00252 rad 0.00505 rad 6.174 (1.02) 4.687 (1.34) 4.519 (1.39) s (rad/s)
Pitch motion 0.00001 rad^2 0.00266 rad 0.00532 rad 6.245 (1.01) 4.869 (1.29) 4.659 (1.35) s (rad/s)
Heave velocity 0.020 m^2/s^2 0.141 m/s 0.282 m/s 6.292 (1.00) 5.173 (1.21) 4.969 (1.26) s (rad/s)
Roll velocity 0.00001 (rad/s)^2 0.00351 rad/s 0.00701 rad/s 3.760 (1.67) 4.053 (1.55) 3.912 (1.61) s (rad/s)
Pitch velocity 0.00001 (rad/s)^2 0.00358 rad/s 0.00717 rad/s 6.100 (1.03) 4.063 (1.55) 3.880 (1.62) s (rad/s)
Heave acceleration 0.032 m^2/s^4 0.178 m/s^2 0.357 m/s^2 6.150 (1.02) 4.356 (1.44) 4.141 (1.52) s (rad/s)
Roll acceleration 0.00003 (rad/s/s)^2 0.00563 rad/s/s 0.01126 rad/s/s 3.518 (1.79) 3.507 (1.79) 3.349 (1.88) s (rad/s)
Pitch acceleration 0.00003 (rad/s/s)^2 0.00580 rad/s/s 0.01161 rad/s/s 3.341 (1.88) 3.397 (1.85) 3.262 (1.93) s (rad/s)
passenger deck aft: Abs. vert. motion 0.020 m^2 0.143 m 0.286 m 6.402 (0.98) 5.765 (1.09) 5.585 (1.12) s (rad/s)
passenger deck aft: Rel. vert. motion 0.004 m^2 0.062 m 0.124 m 6.117 (1.03) 2.479 (2.54) 2.098 (2.99) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.026 m^2/s^2 0.161 m/s 0.322 m/s 6.277 (1.00) 5.017 (1.25) 4.800 (1.31) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.034 m^2/s^2 0.185 m/s 0.370 m/s 2.522 (2.49) 1.169 (5.38) 0.959 (6.55) s (rad/s)
passenger deck aft: Abs. vert. accel 0.044 m^2/s^4 0.210 m/s^2 0.421 m/s^2 6.132 (1.02) 4.161 (1.51) 3.947 (1.59) s (rad/s)
passenger deck aft: Rel. vert. accel 1.468 m^2/s^4 1.212 m/s^2 2.423 m/s^2 0.379 (16.59) 0.605 (10.38) 0.563 (11.17) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.007 m 0.015 m 6.245 (1.01) 4.871 (1.29) 4.661 (1.35) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.010 m/s 0.020 m/s 6.098 (1.03) 4.064 (1.55) 3.881 (1.62) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.016 m/s^2 0.032 m/s^2 3.341 (1.88) 3.398 (1.85) 3.263 (1.93) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.007 m 0.014 m 6.171 (1.02) 4.691 (1.34) 4.523 (1.39) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.010 m/s 0.020 m/s 3.760 (1.67) 4.056 (1.55) 3.915 (1.60) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.016 m/s^2 0.031 m/s^2 3.518 (1.79) 3.509 (1.79) 3.350 (1.88) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.659 SM 0.719 % 0.135 % -- -- --
passenger deck forward: Abs. vert. motion 0.011 m^2 0.103 m 0.207 m 6.426 (0.98) 6.042 (1.04) 5.898 (1.07) s (rad/s)
passenger deck forward: Rel. vert. motion 0.015 m^2 0.122 m 0.245 m 6.227 (1.01) 3.981 (1.58) 3.362 (1.87) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.012 m^2/s^2 0.110 m/s 0.220 m/s 6.319 (0.99) 5.447 (1.15) 5.276 (1.19) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.052 m^2/s^2 0.229 m/s 0.457 m/s 6.083 (1.03) 1.611 (3.90) 1.199 (5.24) s (rad/s)
passenger deck forward: Abs. vert. accel 0.017 m^2/s^4 0.131 m/s^2 0.262 m/s^2 6.180 (1.02) 4.753 (1.32) 4.564 (1.38) s (rad/s)
passenger deck forward: Rel. vert. accel 1.437 m^2/s^4 1.199 m/s^2 2.397 m/s^2 0.380 (16.53) 0.624 (10.06) 0.574 (10.95) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.007 m 0.015 m 6.245 (1.01) 4.871 (1.29) 4.661 (1.35) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.010 m/s 0.020 m/s 6.098 (1.03) 4.064 (1.55) 3.881 (1.62) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.016 m/s^2 0.032 m/s^2 3.341 (1.88) 3.398 (1.85) 3.263 (1.93) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.007 m 0.014 m 6.171 (1.02) 4.691 (1.34) 4.523 (1.39) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.010 m/s 0.020 m/s 3.760 (1.67) 4.056 (1.55) 3.915 (1.60) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.016 m/s^2 0.031 m/s^2 3.518 (1.79) 3.509 (1.79) 3.350 (1.88) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.343 SM 0.178 % 0.019 % -- -- --
Bridge deck: Abs. vert. motion 0.011 m^2 0.103 m 0.207 m 6.426 (0.98) 6.042 (1.04) 5.898 (1.07) s (rad/s)
Bridge deck: Rel. vert. motion 0.015 m^2 0.122 m 0.245 m 6.227 (1.01) 3.981 (1.58) 3.362 (1.87) s (rad/s)
Bridge deck: Abs. vert. velocity 0.012 m^2/s^2 0.110 m/s 0.220 m/s 6.319 (0.99) 5.447 (1.15) 5.276 (1.19) s (rad/s)
Bridge deck: Rel. vert. velocity 0.052 m^2/s^2 0.229 m/s 0.457 m/s 6.083 (1.03) 1.611 (3.90) 1.199 (5.24) s (rad/s)
Bridge deck: Abs. vert. accel 0.017 m^2/s^4 0.131 m/s^2 0.262 m/s^2 6.180 (1.02) 4.753 (1.32) 4.564 (1.38) s (rad/s)
Bridge deck: Rel. vert. accel 1.437 m^2/s^4 1.199 m/s^2 2.397 m/s^2 0.380 (16.53) 0.624 (10.06) 0.574 (10.95) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.014 m 0.027 m 6.245 (1.01) 4.871 (1.29) 4.661 (1.35) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.018 m/s 0.036 m/s 6.098 (1.03) 4.064 (1.55) 3.881 (1.62) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.001 m^2/s^4 0.030 m/s^2 0.059 m/s^2 3.341 (1.88) 3.398 (1.85) 3.263 (1.93) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.013 m 0.026 m 6.171 (1.02) 4.691 (1.34) 4.523 (1.39) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.018 m/s 0.036 m/s 3.760 (1.67) 4.056 (1.55) 3.915 (1.60) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.001 m^2/s^4 0.029 m/s^2 0.057 m/s^2 3.518 (1.79) 3.509 (1.79) 3.350 (1.88) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.343 SM 0.178 % 0.019 % -- -- --

Trial Speed, 18 kn; 3.451 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.965 s -- -- -- -- --
Characteristic wave height 1.200 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 3.451 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.090 m^2 0.300 m 0.601 m 9.969 (0.63) 8.348 (0.75) 7.856 (0.80) s (rad/s)
Encountered wave spectrum 0.090 m^2 0.300 m 0.601 m 6.379 (0.98) 4.730 (1.33) 3.942 (1.59) s (rad/s)
Added resistance 3.734 kN -- -- 6.320 (0.99) 5.112 (1.23) 4.737 (1.33) s (rad/s)
Heave motion 0.066 m^2 0.256 m 0.512 m 6.401 (0.98) 5.861 (1.07) 5.695 (1.10) s (rad/s)
Roll motion 0.00003 rad^2 0.00505 rad 0.01010 rad 6.165 (1.02) 4.685 (1.34) 4.517 (1.39) s (rad/s)
Pitch motion 0.00003 rad^2 0.00532 rad 0.01064 rad 6.236 (1.01) 4.865 (1.29) 4.657 (1.35) s (rad/s)
Heave velocity 0.080 m^2/s^2 0.283 m/s 0.565 m/s 6.282 (1.00) 5.169 (1.22) 4.966 (1.27) s (rad/s)
Roll velocity 0.00005 (rad/s)^2 0.00702 rad/s 0.01405 rad/s 3.754 (1.67) 4.053 (1.55) 3.912 (1.61) s (rad/s)
Pitch velocity 0.00005 (rad/s)^2 0.00718 rad/s 0.01435 rad/s 6.091 (1.03) 4.062 (1.55) 3.879 (1.62) s (rad/s)
Heave acceleration 0.128 m^2/s^4 0.357 m/s^2 0.715 m/s^2 6.141 (1.02) 4.354 (1.44) 4.139 (1.52) s (rad/s)
Roll acceleration 0.00013 (rad/s/s)^2 0.01128 rad/s/s 0.02257 rad/s/s 3.512 (1.79) 3.506 (1.79) 3.349 (1.88) s (rad/s)
Pitch acceleration 0.00014 (rad/s/s)^2 0.01162 rad/s/s 0.02325 rad/s/s 3.336 (1.88) 3.397 (1.85) 3.262 (1.93) s (rad/s)
passenger deck aft: Abs. vert. motion 0.082 m^2 0.286 m 0.572 m 6.392 (0.98) 5.759 (1.09) 5.580 (1.13) s (rad/s)
passenger deck aft: Rel. vert. motion 0.015 m^2 0.124 m 0.248 m 6.108 (1.03) 2.478 (2.54) 2.097 (3.00) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.104 m^2/s^2 0.322 m/s 0.643 m/s 6.268 (1.00) 5.013 (1.25) 4.796 (1.31) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.138 m^2/s^2 0.371 m/s 0.742 m/s 2.519 (2.49) 1.167 (5.38) 0.958 (6.56) s (rad/s)
passenger deck aft: Abs. vert. accel 0.178 m^2/s^4 0.421 m/s^2 0.843 m/s^2 6.123 (1.03) 4.159 (1.51) 3.946 (1.59) s (rad/s)
passenger deck aft: Rel. vert. accel 5.912 m^2/s^4 2.432 m/s^2 4.863 m/s^2 0.380 (16.55) 0.604 (10.40) 0.562 (11.19) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.015 m 0.030 m 6.236 (1.01) 4.867 (1.29) 4.659 (1.35) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.020 m/s 0.040 m/s 6.089 (1.03) 4.063 (1.55) 3.880 (1.62) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.001 m^2/s^4 0.032 m/s^2 0.065 m/s^2 3.336 (1.88) 3.398 (1.85) 3.263 (1.93) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.014 m 0.028 m 6.162 (1.02) 4.689 (1.34) 4.521 (1.39) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.020 m/s 0.039 m/s 3.754 (1.67) 4.056 (1.55) 3.914 (1.61) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.001 m^2/s^4 0.032 m/s^2 0.063 m/s^2 3.512 (1.79) 3.508 (1.79) 3.350 (1.88) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 1.780 SM 4.515 % 1.733 % -- -- --
passenger deck forward: Abs. vert. motion 0.043 m^2 0.207 m 0.413 m 6.418 (0.98) 6.035 (1.04) 5.892 (1.07) s (rad/s)
passenger deck forward: Rel. vert. motion 0.060 m^2 0.245 m 0.490 m 6.218 (1.01) 3.978 (1.58) 3.359 (1.87) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.049 m^2/s^2 0.220 m/s 0.441 m/s 6.309 (1.00) 5.442 (1.15) 5.272 (1.19) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.210 m^2/s^2 0.458 m/s 0.917 m/s 6.075 (1.03) 1.609 (3.91) 1.197 (5.25) s (rad/s)
passenger deck forward: Abs. vert. accel 0.069 m^2/s^4 0.263 m/s^2 0.525 m/s^2 6.170 (1.02) 4.750 (1.32) 4.562 (1.38) s (rad/s)
passenger deck forward: Rel. vert. accel 5.788 m^2/s^4 2.406 m/s^2 4.812 m/s^2 0.380 (16.55) 0.623 (10.08) 0.573 (10.97) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.015 m 0.030 m 6.236 (1.01) 4.867 (1.29) 4.659 (1.35) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.020 m/s 0.040 m/s 6.089 (1.03) 4.063 (1.55) 3.880 (1.62) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.001 m^2/s^4 0.032 m/s^2 0.065 m/s^2 3.336 (1.88) 3.398 (1.85) 3.263 (1.93) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.014 m 0.028 m 6.162 (1.02) 4.689 (1.34) 4.521 (1.39) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.020 m/s 0.039 m/s 3.754 (1.67) 4.056 (1.55) 3.914 (1.61) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.001 m^2/s^4 0.032 m/s^2 0.063 m/s^2 3.512 (1.79) 3.508 (1.79) 3.350 (1.88) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.926 SM 1.532 % 0.401 % -- -- --
Bridge deck: Abs. vert. motion 0.043 m^2 0.207 m 0.413 m 6.418 (0.98) 6.035 (1.04) 5.892 (1.07) s (rad/s)
Bridge deck: Rel. vert. motion 0.060 m^2 0.245 m 0.490 m 6.218 (1.01) 3.978 (1.58) 3.359 (1.87) s (rad/s)
Bridge deck: Abs. vert. velocity 0.049 m^2/s^2 0.220 m/s 0.441 m/s 6.309 (1.00) 5.442 (1.15) 5.272 (1.19) s (rad/s)
Bridge deck: Rel. vert. velocity 0.210 m^2/s^2 0.458 m/s 0.917 m/s 6.075 (1.03) 1.609 (3.91) 1.197 (5.25) s (rad/s)
Bridge deck: Abs. vert. accel 0.069 m^2/s^4 0.263 m/s^2 0.525 m/s^2 6.170 (1.02) 4.750 (1.32) 4.562 (1.38) s (rad/s)
Bridge deck: Rel. vert. accel 5.788 m^2/s^4 2.406 m/s^2 4.812 m/s^2 0.380 (16.55) 0.623 (10.08) 0.573 (10.97) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.001 m^2 0.027 m 0.054 m 6.236 (1.01) 4.867 (1.29) 4.659 (1.35) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.001 m^2/s^2 0.037 m/s 0.073 m/s 6.089 (1.03) 4.063 (1.55) 3.880 (1.62) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.004 m^2/s^4 0.059 m/s^2 0.118 m/s^2 3.336 (1.88) 3.398 (1.85) 3.263 (1.93) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.001 m^2 0.026 m 0.052 m 6.162 (1.02) 4.689 (1.34) 4.521 (1.39) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.001 m^2/s^2 0.036 m/s 0.072 m/s 3.754 (1.67) 4.056 (1.55) 3.914 (1.61) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.003 m^2/s^4 0.057 m/s^2 0.115 m/s^2 3.512 (1.79) 3.508 (1.79) 3.350 (1.88) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.926 SM 1.532 % 0.401 % -- -- --

Trial Speed, 18 kn; 3.451 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 2.000 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 3.451 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.251 m^2 0.501 m 1.001 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.251 m^2 0.501 m 1.001 m 6.387 (0.98) 4.737 (1.33) 3.948 (1.59) s (rad/s)
Added resistance 10.366 kN -- -- 6.330 (0.99) 5.117 (1.23) 4.742 (1.33) s (rad/s)
Heave motion 0.182 m^2 0.427 m 0.854 m 6.409 (0.98) 5.868 (1.07) 5.701 (1.10) s (rad/s)
Roll motion 0.00007 rad^2 0.00841 rad 0.01682 rad 6.174 (1.02) 4.687 (1.34) 4.519 (1.39) s (rad/s)
Pitch motion 0.00008 rad^2 0.00886 rad 0.01772 rad 6.245 (1.01) 4.869 (1.29) 4.659 (1.35) s (rad/s)
Heave velocity 0.222 m^2/s^2 0.471 m/s 0.941 m/s 6.292 (1.00) 5.173 (1.21) 4.969 (1.26) s (rad/s)
Roll velocity 0.00014 (rad/s)^2 0.01169 rad/s 0.02338 rad/s 3.760 (1.67) 4.053 (1.55) 3.912 (1.61) s (rad/s)
Pitch velocity 0.00014 (rad/s)^2 0.01194 rad/s 0.02389 rad/s 6.100 (1.03) 4.063 (1.55) 3.880 (1.62) s (rad/s)
Heave acceleration 0.354 m^2/s^4 0.595 m/s^2 1.190 m/s^2 6.150 (1.02) 4.356 (1.44) 4.141 (1.52) s (rad/s)
Roll acceleration 0.00035 (rad/s/s)^2 0.01877 rad/s/s 0.03755 rad/s/s 3.518 (1.79) 3.507 (1.79) 3.349 (1.88) s (rad/s)
Pitch acceleration 0.00037 (rad/s/s)^2 0.01934 rad/s/s 0.03868 rad/s/s 3.341 (1.88) 3.397 (1.85) 3.262 (1.93) s (rad/s)
passenger deck aft: Abs. vert. motion 0.227 m^2 0.477 m 0.953 m 6.402 (0.98) 5.765 (1.09) 5.585 (1.12) s (rad/s)
passenger deck aft: Rel. vert. motion 0.042 m^2 0.206 m 0.412 m 6.117 (1.03) 2.479 (2.54) 2.098 (2.99) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.287 m^2/s^2 0.536 m/s 1.072 m/s 6.277 (1.00) 5.017 (1.25) 4.800 (1.31) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.380 m^2/s^2 0.617 m/s 1.233 m/s 2.522 (2.49) 1.169 (5.38) 0.959 (6.55) s (rad/s)
passenger deck aft: Abs. vert. accel 0.492 m^2/s^4 0.701 m/s^2 1.403 m/s^2 6.132 (1.02) 4.161 (1.51) 3.947 (1.59) s (rad/s)
passenger deck aft: Rel. vert. accel 16.309 m^2/s^4 4.038 m/s^2 8.077 m/s^2 0.379 (16.59) 0.605 (10.38) 0.563 (11.17) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.001 m^2 0.025 m 0.050 m 6.245 (1.01) 4.871 (1.29) 4.661 (1.35) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.001 m^2/s^2 0.033 m/s 0.067 m/s 6.098 (1.03) 4.064 (1.55) 3.881 (1.62) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.003 m^2/s^4 0.054 m/s^2 0.108 m/s^2 3.341 (1.88) 3.398 (1.85) 3.263 (1.93) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.001 m^2 0.024 m 0.047 m 6.171 (1.02) 4.691 (1.34) 4.523 (1.39) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.001 m^2/s^2 0.033 m/s 0.065 m/s 3.760 (1.67) 4.056 (1.55) 3.915 (1.60) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.003 m^2/s^4 0.052 m/s^2 0.105 m/s^2 3.518 (1.79) 3.509 (1.79) 3.350 (1.88) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 3.689 SM 12.707 % 7.026 % -- -- --
passenger deck forward: Abs. vert. motion 0.119 m^2 0.345 m 0.689 m 6.426 (0.98) 6.042 (1.04) 5.898 (1.07) s (rad/s)
passenger deck forward: Rel. vert. motion 0.166 m^2 0.408 m 0.816 m 6.227 (1.01) 3.981 (1.58) 3.362 (1.87) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.135 m^2/s^2 0.367 m/s 0.734 m/s 6.319 (0.99) 5.447 (1.15) 5.276 (1.19) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.581 m^2/s^2 0.762 m/s 1.525 m/s 6.083 (1.03) 1.611 (3.90) 1.199 (5.24) s (rad/s)
passenger deck forward: Abs. vert. accel 0.191 m^2/s^4 0.437 m/s^2 0.874 m/s^2 6.180 (1.02) 4.753 (1.32) 4.564 (1.38) s (rad/s)
passenger deck forward: Rel. vert. accel 15.966 m^2/s^4 3.996 m/s^2 7.992 m/s^2 0.380 (16.53) 0.624 (10.06) 0.574 (10.95) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.001 m^2 0.025 m 0.050 m 6.245 (1.01) 4.871 (1.29) 4.661 (1.35) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.001 m^2/s^2 0.033 m/s 0.067 m/s 6.098 (1.03) 4.064 (1.55) 3.881 (1.62) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.003 m^2/s^4 0.054 m/s^2 0.108 m/s^2 3.341 (1.88) 3.398 (1.85) 3.263 (1.93) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.001 m^2 0.024 m 0.047 m 6.171 (1.02) 4.691 (1.34) 4.523 (1.39) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.001 m^2/s^2 0.033 m/s 0.065 m/s 3.760 (1.67) 4.056 (1.55) 3.915 (1.60) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.003 m^2/s^4 0.052 m/s^2 0.105 m/s^2 3.518 (1.79) 3.509 (1.79) 3.350 (1.88) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 1.919 SM 5.392 % 2.261 % -- -- --
Bridge deck: Abs. vert. motion 0.119 m^2 0.345 m 0.689 m 6.426 (0.98) 6.042 (1.04) 5.898 (1.07) s (rad/s)
Bridge deck: Rel. vert. motion 0.166 m^2 0.408 m 0.816 m 6.227 (1.01) 3.981 (1.58) 3.362 (1.87) s (rad/s)
Bridge deck: Abs. vert. velocity 0.135 m^2/s^2 0.367 m/s 0.734 m/s 6.319 (0.99) 5.447 (1.15) 5.276 (1.19) s (rad/s)
Bridge deck: Rel. vert. velocity 0.581 m^2/s^2 0.762 m/s 1.525 m/s 6.083 (1.03) 1.611 (3.90) 1.199 (5.24) s (rad/s)
Bridge deck: Abs. vert. accel 0.191 m^2/s^4 0.437 m/s^2 0.874 m/s^2 6.180 (1.02) 4.753 (1.32) 4.564 (1.38) s (rad/s)
Bridge deck: Rel. vert. accel 15.966 m^2/s^4 3.996 m/s^2 7.992 m/s^2 0.380 (16.53) 0.624 (10.06) 0.574 (10.95) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.002 m^2 0.045 m 0.090 m 6.245 (1.01) 4.871 (1.29) 4.661 (1.35) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.004 m^2/s^2 0.061 m/s 0.122 m/s 6.098 (1.03) 4.064 (1.55) 3.881 (1.62) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.010 m^2/s^4 0.098 m/s^2 0.197 m/s^2 3.341 (1.88) 3.398 (1.85) 3.263 (1.93) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.002 m^2 0.043 m 0.086 m 6.171 (1.02) 4.691 (1.34) 4.523 (1.39) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.004 m^2/s^2 0.060 m/s 0.119 m/s 3.760 (1.67) 4.056 (1.55) 3.915 (1.60) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.009 m^2/s^4 0.096 m/s^2 0.191 m/s^2 3.518 (1.79) 3.509 (1.79) 3.350 (1.88) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 1.919 SM 5.392 % 2.261 % -- -- --

Trial Speed, 18 kn; 3.717 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.956 s -- -- -- -- --
Characteristic wave height 0.300 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 3.717 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.006 m^2 0.075 m 0.150 m 9.960 (0.63) 8.340 (0.75) 7.849 (0.80) s (rad/s)
Encountered wave spectrum 0.006 m^2 0.075 m 0.150 m 6.656 (0.94) 4.981 (1.26) 4.193 (1.50) s (rad/s)
Added resistance 0.235 kN -- -- 6.588 (0.95) 5.299 (1.19) 4.891 (1.28) s (rad/s)
Heave motion 0.004 m^2 0.064 m 0.127 m 6.671 (0.94) 6.127 (1.03) 5.958 (1.05) s (rad/s)
Roll motion 0.00000 rad^2 0.00222 rad 0.00444 rad 6.450 (0.97) 4.880 (1.29) 4.702 (1.34) s (rad/s)
Pitch motion 0.00000 rad^2 0.00125 rad 0.00249 rad 6.498 (0.97) 5.123 (1.23) 4.904 (1.28) s (rad/s)
Heave velocity 0.004 m^2/s^2 0.067 m/s 0.134 m/s 6.550 (0.96) 5.421 (1.16) 5.211 (1.21) s (rad/s)
Roll velocity 0.00001 (rad/s)^2 0.00297 rad/s 0.00594 rad/s 6.297 (1.00) 4.206 (1.49) 4.054 (1.55) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00160 rad/s 0.00319 rad/s 6.387 (0.98) 4.275 (1.47) 4.078 (1.54) s (rad/s)
Heave acceleration 0.007 m^2/s^4 0.081 m/s^2 0.161 m/s^2 6.426 (0.98) 4.573 (1.37) 4.342 (1.45) s (rad/s)
Roll acceleration 0.00002 (rad/s/s)^2 0.00460 rad/s/s 0.00920 rad/s/s 3.530 (1.78) 3.618 (1.74) 3.455 (1.82) s (rad/s)
Pitch acceleration 0.00001 (rad/s/s)^2 0.00246 rad/s/s 0.00492 rad/s/s 3.530 (1.78) 3.553 (1.77) 3.402 (1.85) s (rad/s)
passenger deck aft: Abs. vert. motion 0.005 m^2 0.071 m 0.141 m 6.661 (0.94) 6.034 (1.04) 5.853 (1.07) s (rad/s)
passenger deck aft: Rel. vert. motion 0.001 m^2 0.030 m 0.060 m 6.382 (0.98) 2.578 (2.44) 2.200 (2.86) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.006 m^2/s^2 0.076 m/s 0.152 m/s 6.533 (0.96) 5.276 (1.19) 5.053 (1.24) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.007 m^2/s^2 0.085 m/s 0.171 m/s 2.544 (2.47) 1.266 (4.96) 1.048 (6.00) s (rad/s)
passenger deck aft: Abs. vert. accel 0.009 m^2/s^4 0.094 m/s^2 0.189 m/s^2 6.412 (0.98) 4.385 (1.43) 4.152 (1.51) s (rad/s)
passenger deck aft: Rel. vert. accel 0.262 m^2/s^4 0.512 m/s^2 1.024 m/s^2 0.427 (14.70) 0.668 (9.40) 0.621 (10.12) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.003 m 0.007 m 6.502 (0.97) 5.125 (1.23) 4.906 (1.28) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.004 m/s 0.009 m/s 6.391 (0.98) 4.276 (1.47) 4.079 (1.54) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.007 m/s^2 0.014 m/s^2 3.530 (1.78) 3.554 (1.77) 3.403 (1.85) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.006 m 0.012 m 6.437 (0.98) 4.885 (1.29) 4.706 (1.34) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.008 m/s 0.017 m/s 6.288 (1.00) 4.209 (1.49) 4.057 (1.55) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.013 m/s^2 0.026 m/s^2 3.530 (1.78) 3.620 (1.74) 3.456 (1.82) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.212 SM 0.050 % 0.003 % -- -- --
passenger deck forward: Abs. vert. motion 0.003 m^2 0.051 m 0.102 m 6.692 (0.94) 6.287 (1.00) 6.138 (1.02) s (rad/s)
passenger deck forward: Rel. vert. motion 0.003 m^2 0.058 m 0.115 m 6.506 (0.97) 4.100 (1.53) 3.469 (1.81) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.003 m^2/s^2 0.052 m/s 0.105 m/s 6.581 (0.95) 5.669 (1.11) 5.489 (1.14) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.011 m^2/s^2 0.104 m/s 0.209 m/s 6.352 (0.99) 1.711 (3.67) 1.293 (4.86) s (rad/s)
passenger deck forward: Abs. vert. accel 0.004 m^2/s^4 0.060 m/s^2 0.120 m/s^2 6.451 (0.97) 4.939 (1.27) 4.739 (1.33) s (rad/s)
passenger deck forward: Rel. vert. accel 0.258 m^2/s^4 0.508 m/s^2 1.015 m/s^2 0.427 (14.70) 0.690 (9.10) 0.634 (9.92) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.003 m 0.007 m 6.502 (0.97) 5.125 (1.23) 4.906 (1.28) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.004 m/s 0.009 m/s 6.391 (0.98) 4.276 (1.47) 4.079 (1.54) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.007 m/s^2 0.014 m/s^2 3.530 (1.78) 3.554 (1.77) 3.403 (1.85) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.006 m 0.012 m 6.437 (0.98) 4.885 (1.29) 4.706 (1.34) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.008 m/s 0.017 m/s 6.288 (1.00) 4.209 (1.49) 4.057 (1.55) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.013 m/s^2 0.026 m/s^2 3.530 (1.78) 3.620 (1.74) 3.456 (1.82) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.112 SM 0.009 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.003 m^2 0.051 m 0.102 m 6.692 (0.94) 6.287 (1.00) 6.138 (1.02) s (rad/s)
Bridge deck: Rel. vert. motion 0.003 m^2 0.058 m 0.115 m 6.506 (0.97) 4.100 (1.53) 3.469 (1.81) s (rad/s)
Bridge deck: Abs. vert. velocity 0.003 m^2/s^2 0.052 m/s 0.105 m/s 6.581 (0.95) 5.669 (1.11) 5.489 (1.14) s (rad/s)
Bridge deck: Rel. vert. velocity 0.011 m^2/s^2 0.104 m/s 0.209 m/s 6.352 (0.99) 1.711 (3.67) 1.293 (4.86) s (rad/s)
Bridge deck: Abs. vert. accel 0.004 m^2/s^4 0.060 m/s^2 0.120 m/s^2 6.451 (0.97) 4.939 (1.27) 4.739 (1.33) s (rad/s)
Bridge deck: Rel. vert. accel 0.258 m^2/s^4 0.508 m/s^2 1.015 m/s^2 0.427 (14.70) 0.690 (9.10) 0.634 (9.92) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.006 m 0.013 m 6.502 (0.97) 5.125 (1.23) 4.906 (1.28) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.008 m/s 0.016 m/s 6.391 (0.98) 4.276 (1.47) 4.079 (1.54) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.013 m/s^2 0.025 m/s^2 3.530 (1.78) 3.554 (1.77) 3.403 (1.85) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.011 m 0.023 m 6.437 (0.98) 4.885 (1.29) 4.706 (1.34) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.015 m/s 0.030 m/s 6.288 (1.00) 4.209 (1.49) 4.057 (1.55) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.001 m^2/s^4 0.023 m/s^2 0.047 m/s^2 3.530 (1.78) 3.620 (1.74) 3.456 (1.82) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.112 SM 0.009 % 0.000 % -- -- --

Trial Speed, 18 kn; 3.717 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 3.717 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 6.673 (0.94) 4.994 (1.26) 4.205 (1.49) s (rad/s)
Added resistance 0.940 kN -- -- 6.606 (0.95) 5.309 (1.18) 4.900 (1.28) s (rad/s)
Heave motion 0.016 m^2 0.127 m 0.254 m 6.689 (0.94) 6.139 (1.02) 5.970 (1.05) s (rad/s)
Roll motion 0.00002 rad^2 0.00443 rad 0.00886 rad 6.465 (0.97) 4.885 (1.29) 4.705 (1.34) s (rad/s)
Pitch motion 0.00001 rad^2 0.00249 rad 0.00498 rad 6.516 (0.96) 5.130 (1.22) 4.910 (1.28) s (rad/s)
Heave velocity 0.018 m^2/s^2 0.134 m/s 0.268 m/s 6.565 (0.96) 5.429 (1.16) 5.218 (1.20) s (rad/s)
Roll velocity 0.00004 (rad/s)^2 0.00592 rad/s 0.01184 rad/s 6.313 (1.00) 4.207 (1.49) 4.055 (1.55) s (rad/s)
Pitch velocity 0.00001 (rad/s)^2 0.00319 rad/s 0.00637 rad/s 6.404 (0.98) 4.277 (1.47) 4.080 (1.54) s (rad/s)
Heave acceleration 0.026 m^2/s^4 0.161 m/s^2 0.322 m/s^2 6.444 (0.98) 4.576 (1.37) 4.345 (1.45) s (rad/s)
Roll acceleration 0.00008 (rad/s/s)^2 0.00917 rad/s/s 0.01834 rad/s/s 3.540 (1.77) 3.618 (1.74) 3.455 (1.82) s (rad/s)
Pitch acceleration 0.00002 (rad/s/s)^2 0.00491 rad/s/s 0.00981 rad/s/s 3.540 (1.77) 3.554 (1.77) 3.403 (1.85) s (rad/s)
passenger deck aft: Abs. vert. motion 0.020 m^2 0.142 m 0.283 m 6.679 (0.94) 6.046 (1.04) 5.864 (1.07) s (rad/s)
passenger deck aft: Rel. vert. motion 0.004 m^2 0.060 m 0.119 m 6.399 (0.98) 2.580 (2.44) 2.202 (2.85) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.023 m^2/s^2 0.152 m/s 0.303 m/s 6.550 (0.96) 5.284 (1.19) 5.059 (1.24) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.029 m^2/s^2 0.170 m/s 0.340 m/s 2.525 (2.49) 1.268 (4.95) 1.050 (5.98) s (rad/s)
passenger deck aft: Abs. vert. accel 0.035 m^2/s^4 0.188 m/s^2 0.376 m/s^2 6.429 (0.98) 4.388 (1.43) 4.155 (1.51) s (rad/s)
passenger deck aft: Rel. vert. accel 1.034 m^2/s^4 1.017 m/s^2 2.034 m/s^2 0.427 (14.71) 0.671 (9.37) 0.623 (10.09) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.007 m 0.014 m 6.519 (0.96) 5.132 (1.22) 4.912 (1.28) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.009 m/s 0.018 m/s 6.408 (0.98) 4.278 (1.47) 4.081 (1.54) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.014 m/s^2 0.027 m/s^2 3.540 (1.77) 3.555 (1.77) 3.403 (1.85) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.012 m 0.025 m 6.454 (0.97) 4.889 (1.29) 4.710 (1.33) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.017 m/s 0.033 m/s 6.303 (1.00) 4.211 (1.49) 4.058 (1.55) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.001 m^2/s^4 0.026 m/s^2 0.051 m/s^2 3.540 (1.77) 3.620 (1.74) 3.457 (1.82) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.571 SM 0.554 % 0.095 % -- -- --
passenger deck forward: Abs. vert. motion 0.010 m^2 0.102 m 0.205 m 6.708 (0.94) 6.300 (1.00) 6.150 (1.02) s (rad/s)
passenger deck forward: Rel. vert. motion 0.013 m^2 0.115 m 0.230 m 6.521 (0.96) 4.106 (1.53) 3.474 (1.81) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.011 m^2/s^2 0.105 m/s 0.209 m/s 6.598 (0.95) 5.678 (1.11) 5.497 (1.14) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.043 m^2/s^2 0.208 m/s 0.416 m/s 6.369 (0.99) 1.715 (3.66) 1.297 (4.85) s (rad/s)
passenger deck forward: Abs. vert. accel 0.014 m^2/s^4 0.120 m/s^2 0.239 m/s^2 6.467 (0.97) 4.944 (1.27) 4.743 (1.32) s (rad/s)
passenger deck forward: Rel. vert. accel 1.017 m^2/s^4 1.009 m/s^2 2.017 m/s^2 0.427 (14.71) 0.693 (9.07) 0.636 (9.88) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.007 m 0.014 m 6.519 (0.96) 5.132 (1.22) 4.912 (1.28) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.009 m/s 0.018 m/s 6.408 (0.98) 4.278 (1.47) 4.081 (1.54) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.014 m/s^2 0.027 m/s^2 3.540 (1.77) 3.555 (1.77) 3.403 (1.85) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.012 m 0.025 m 6.454 (0.97) 4.889 (1.29) 4.710 (1.33) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.017 m/s 0.033 m/s 6.303 (1.00) 4.211 (1.49) 4.058 (1.55) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.001 m^2/s^4 0.026 m/s^2 0.051 m/s^2 3.540 (1.77) 3.620 (1.74) 3.457 (1.82) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.302 SM 0.134 % 0.013 % -- -- --
Bridge deck: Abs. vert. motion 0.010 m^2 0.102 m 0.205 m 6.708 (0.94) 6.300 (1.00) 6.150 (1.02) s (rad/s)
Bridge deck: Rel. vert. motion 0.013 m^2 0.115 m 0.230 m 6.521 (0.96) 4.106 (1.53) 3.474 (1.81) s (rad/s)
Bridge deck: Abs. vert. velocity 0.011 m^2/s^2 0.105 m/s 0.209 m/s 6.598 (0.95) 5.678 (1.11) 5.497 (1.14) s (rad/s)
Bridge deck: Rel. vert. velocity 0.043 m^2/s^2 0.208 m/s 0.416 m/s 6.369 (0.99) 1.715 (3.66) 1.297 (4.85) s (rad/s)
Bridge deck: Abs. vert. accel 0.014 m^2/s^4 0.120 m/s^2 0.239 m/s^2 6.467 (0.97) 4.944 (1.27) 4.743 (1.32) s (rad/s)
Bridge deck: Rel. vert. accel 1.017 m^2/s^4 1.009 m/s^2 2.017 m/s^2 0.427 (14.71) 0.693 (9.07) 0.636 (9.88) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.013 m 0.025 m 6.519 (0.96) 5.132 (1.22) 4.912 (1.28) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.016 m/s 0.032 m/s 6.408 (0.98) 4.278 (1.47) 4.081 (1.54) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.001 m^2/s^4 0.025 m/s^2 0.050 m/s^2 3.540 (1.77) 3.555 (1.77) 3.403 (1.85) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.001 m^2 0.023 m 0.045 m 6.454 (0.97) 4.889 (1.29) 4.710 (1.33) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.001 m^2/s^2 0.030 m/s 0.060 m/s 6.303 (1.00) 4.211 (1.49) 4.058 (1.55) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.002 m^2/s^4 0.047 m/s^2 0.093 m/s^2 3.540 (1.77) 3.620 (1.74) 3.457 (1.82) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.302 SM 0.134 % 0.013 % -- -- --

Trial Speed, 18 kn; 3.717 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.965 s -- -- -- -- --
Characteristic wave height 1.200 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 3.717 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.090 m^2 0.300 m 0.601 m 9.969 (0.63) 8.348 (0.75) 7.856 (0.80) s (rad/s)
Encountered wave spectrum 0.090 m^2 0.300 m 0.601 m 6.664 (0.94) 4.987 (1.26) 4.199 (1.50) s (rad/s)
Added resistance 3.761 kN -- -- 6.596 (0.95) 5.304 (1.18) 4.896 (1.28) s (rad/s)
Heave motion 0.065 m^2 0.254 m 0.508 m 6.679 (0.94) 6.133 (1.02) 5.964 (1.05) s (rad/s)
Roll motion 0.00008 rad^2 0.00888 rad 0.01775 rad 6.458 (0.97) 4.882 (1.29) 4.703 (1.34) s (rad/s)
Pitch motion 0.00002 rad^2 0.00498 rad 0.00997 rad 6.506 (0.97) 5.127 (1.23) 4.907 (1.28) s (rad/s)
Heave velocity 0.072 m^2/s^2 0.268 m/s 0.535 m/s 6.558 (0.96) 5.424 (1.16) 5.214 (1.21) s (rad/s)
Roll velocity 0.00014 (rad/s)^2 0.01185 rad/s 0.02371 rad/s 6.304 (1.00) 4.206 (1.49) 4.054 (1.55) s (rad/s)
Pitch velocity 0.00004 (rad/s)^2 0.00638 rad/s 0.01276 rad/s 6.395 (0.98) 4.276 (1.47) 4.079 (1.54) s (rad/s)
Heave acceleration 0.104 m^2/s^4 0.323 m/s^2 0.645 m/s^2 6.434 (0.98) 4.574 (1.37) 4.343 (1.45) s (rad/s)
Roll acceleration 0.00034 (rad/s/s)^2 0.01837 rad/s/s 0.03674 rad/s/s 3.535 (1.78) 3.618 (1.74) 3.455 (1.82) s (rad/s)
Pitch acceleration 0.00010 (rad/s/s)^2 0.00983 rad/s/s 0.01966 rad/s/s 3.535 (1.78) 3.554 (1.77) 3.403 (1.85) s (rad/s)
passenger deck aft: Abs. vert. motion 0.080 m^2 0.283 m 0.566 m 6.669 (0.94) 6.039 (1.04) 5.858 (1.07) s (rad/s)
passenger deck aft: Rel. vert. motion 0.014 m^2 0.119 m 0.239 m 6.390 (0.98) 2.579 (2.44) 2.201 (2.85) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.092 m^2/s^2 0.303 m/s 0.607 m/s 6.541 (0.96) 5.280 (1.19) 5.056 (1.24) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.116 m^2/s^2 0.341 m/s 0.682 m/s 2.547 (2.47) 1.267 (4.96) 1.049 (5.99) s (rad/s)
passenger deck aft: Abs. vert. accel 0.142 m^2/s^4 0.377 m/s^2 0.754 m/s^2 6.420 (0.98) 4.387 (1.43) 4.154 (1.51) s (rad/s)
passenger deck aft: Rel. vert. accel 4.166 m^2/s^4 2.041 m/s^2 4.082 m/s^2 0.426 (14.74) 0.670 (9.38) 0.622 (10.10) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.014 m 0.028 m 6.510 (0.97) 5.128 (1.23) 4.909 (1.28) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.018 m/s 0.036 m/s 6.399 (0.98) 4.277 (1.47) 4.080 (1.54) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.001 m^2/s^4 0.027 m/s^2 0.055 m/s^2 3.535 (1.78) 3.554 (1.77) 3.403 (1.85) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.001 m^2 0.025 m 0.050 m 6.445 (0.97) 4.887 (1.29) 4.708 (1.33) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.001 m^2/s^2 0.033 m/s 0.066 m/s 6.296 (1.00) 4.210 (1.49) 4.057 (1.55) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.003 m^2/s^4 0.051 m/s^2 0.103 m/s^2 3.535 (1.78) 3.620 (1.74) 3.456 (1.82) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 1.540 SM 3.699 % 1.339 % -- -- --
passenger deck forward: Abs. vert. motion 0.042 m^2 0.205 m 0.409 m 6.700 (0.94) 6.293 (1.00) 6.144 (1.02) s (rad/s)
passenger deck forward: Rel. vert. motion 0.053 m^2 0.230 m 0.461 m 6.514 (0.96) 4.103 (1.53) 3.471 (1.81) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.044 m^2/s^2 0.209 m/s 0.418 m/s 6.589 (0.95) 5.673 (1.11) 5.493 (1.14) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.174 m^2/s^2 0.417 m/s 0.834 m/s 6.360 (0.99) 1.713 (3.67) 1.295 (4.85) s (rad/s)
passenger deck forward: Abs. vert. accel 0.057 m^2/s^4 0.239 m/s^2 0.479 m/s^2 6.459 (0.97) 4.941 (1.27) 4.741 (1.33) s (rad/s)
passenger deck forward: Rel. vert. accel 4.097 m^2/s^4 2.024 m/s^2 4.048 m/s^2 0.426 (14.74) 0.691 (9.09) 0.635 (9.90) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.014 m 0.028 m 6.510 (0.97) 5.128 (1.23) 4.909 (1.28) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.018 m/s 0.036 m/s 6.399 (0.98) 4.277 (1.47) 4.080 (1.54) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.001 m^2/s^4 0.027 m/s^2 0.055 m/s^2 3.535 (1.78) 3.554 (1.77) 3.403 (1.85) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.001 m^2 0.025 m 0.050 m 6.445 (0.97) 4.887 (1.29) 4.708 (1.33) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.001 m^2/s^2 0.033 m/s 0.066 m/s 6.296 (1.00) 4.210 (1.49) 4.057 (1.55) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.003 m^2/s^4 0.051 m/s^2 0.103 m/s^2 3.535 (1.78) 3.620 (1.74) 3.456 (1.82) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.815 SM 1.228 % 0.297 % -- -- --
Bridge deck: Abs. vert. motion 0.042 m^2 0.205 m 0.409 m 6.700 (0.94) 6.293 (1.00) 6.144 (1.02) s (rad/s)
Bridge deck: Rel. vert. motion 0.053 m^2 0.230 m 0.461 m 6.514 (0.96) 4.103 (1.53) 3.471 (1.81) s (rad/s)
Bridge deck: Abs. vert. velocity 0.044 m^2/s^2 0.209 m/s 0.418 m/s 6.589 (0.95) 5.673 (1.11) 5.493 (1.14) s (rad/s)
Bridge deck: Rel. vert. velocity 0.174 m^2/s^2 0.417 m/s 0.834 m/s 6.360 (0.99) 1.713 (3.67) 1.295 (4.85) s (rad/s)
Bridge deck: Abs. vert. accel 0.057 m^2/s^4 0.239 m/s^2 0.479 m/s^2 6.459 (0.97) 4.941 (1.27) 4.741 (1.33) s (rad/s)
Bridge deck: Rel. vert. accel 4.097 m^2/s^4 2.024 m/s^2 4.048 m/s^2 0.426 (14.74) 0.691 (9.09) 0.635 (9.90) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.001 m^2 0.025 m 0.051 m 6.510 (0.97) 5.128 (1.23) 4.909 (1.28) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.001 m^2/s^2 0.032 m/s 0.065 m/s 6.399 (0.98) 4.277 (1.47) 4.080 (1.54) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.003 m^2/s^4 0.050 m/s^2 0.100 m/s^2 3.535 (1.78) 3.554 (1.77) 3.403 (1.85) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.002 m^2 0.045 m 0.091 m 6.445 (0.97) 4.887 (1.29) 4.708 (1.33) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.004 m^2/s^2 0.060 m/s 0.121 m/s 6.296 (1.00) 4.210 (1.49) 4.057 (1.55) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.009 m^2/s^4 0.094 m/s^2 0.187 m/s^2 3.535 (1.78) 3.620 (1.74) 3.456 (1.82) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.815 SM 1.228 % 0.297 % -- -- --

Trial Speed, 18 kn; 3.717 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 2.000 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 3.717 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.251 m^2 0.501 m 1.001 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.251 m^2 0.501 m 1.001 m 6.673 (0.94) 4.994 (1.26) 4.205 (1.49) s (rad/s)
Added resistance 10.441 kN -- -- 6.606 (0.95) 5.309 (1.18) 4.900 (1.28) s (rad/s)
Heave motion 0.180 m^2 0.424 m 0.848 m 6.689 (0.94) 6.139 (1.02) 5.970 (1.05) s (rad/s)
Roll motion 0.00022 rad^2 0.01477 rad 0.02955 rad 6.465 (0.97) 4.885 (1.29) 4.705 (1.34) s (rad/s)
Pitch motion 0.00007 rad^2 0.00830 rad 0.01660 rad 6.516 (0.96) 5.130 (1.22) 4.910 (1.28) s (rad/s)
Heave velocity 0.199 m^2/s^2 0.446 m/s 0.892 m/s 6.565 (0.96) 5.429 (1.16) 5.218 (1.20) s (rad/s)
Roll velocity 0.00039 (rad/s)^2 0.01973 rad/s 0.03945 rad/s 6.313 (1.00) 4.207 (1.49) 4.055 (1.55) s (rad/s)
Pitch velocity 0.00011 (rad/s)^2 0.01062 rad/s 0.02124 rad/s 6.404 (0.98) 4.277 (1.47) 4.080 (1.54) s (rad/s)
Heave acceleration 0.288 m^2/s^4 0.537 m/s^2 1.074 m/s^2 6.444 (0.98) 4.576 (1.37) 4.345 (1.45) s (rad/s)
Roll acceleration 0.00093 (rad/s/s)^2 0.03057 rad/s/s 0.06114 rad/s/s 3.540 (1.77) 3.618 (1.74) 3.455 (1.82) s (rad/s)
Pitch acceleration 0.00027 (rad/s/s)^2 0.01636 rad/s/s 0.03271 rad/s/s 3.540 (1.77) 3.554 (1.77) 3.403 (1.85) s (rad/s)
passenger deck aft: Abs. vert. motion 0.223 m^2 0.472 m 0.943 m 6.679 (0.94) 6.046 (1.04) 5.864 (1.07) s (rad/s)
passenger deck aft: Rel. vert. motion 0.039 m^2 0.199 m 0.397 m 6.399 (0.98) 2.580 (2.44) 2.202 (2.85) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.255 m^2/s^2 0.505 m/s 1.011 m/s 6.550 (0.96) 5.284 (1.19) 5.059 (1.24) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.321 m^2/s^2 0.567 m/s 1.134 m/s 2.525 (2.49) 1.268 (4.95) 1.050 (5.98) s (rad/s)
passenger deck aft: Abs. vert. accel 0.394 m^2/s^4 0.627 m/s^2 1.255 m/s^2 6.429 (0.98) 4.388 (1.43) 4.155 (1.51) s (rad/s)
passenger deck aft: Rel. vert. accel 11.493 m^2/s^4 3.390 m/s^2 6.780 m/s^2 0.427 (14.71) 0.671 (9.37) 0.623 (10.09) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.001 m^2 0.023 m 0.046 m 6.519 (0.96) 5.132 (1.22) 4.912 (1.28) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.001 m^2/s^2 0.030 m/s 0.059 m/s 6.408 (0.98) 4.278 (1.47) 4.081 (1.54) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.002 m^2/s^4 0.046 m/s^2 0.091 m/s^2 3.540 (1.77) 3.555 (1.77) 3.403 (1.85) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.002 m^2 0.041 m 0.083 m 6.454 (0.97) 4.889 (1.29) 4.710 (1.33) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.003 m^2/s^2 0.055 m/s 0.110 m/s 6.303 (1.00) 4.211 (1.49) 4.058 (1.55) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.007 m^2/s^4 0.085 m/s^2 0.171 m/s^2 3.540 (1.77) 3.620 (1.74) 3.457 (1.82) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 3.192 SM 10.875 % 5.772 % -- -- --
passenger deck forward: Abs. vert. motion 0.117 m^2 0.341 m 0.683 m 6.708 (0.94) 6.300 (1.00) 6.150 (1.02) s (rad/s)
passenger deck forward: Rel. vert. motion 0.147 m^2 0.384 m 0.768 m 6.521 (0.96) 4.106 (1.53) 3.474 (1.81) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.122 m^2/s^2 0.349 m/s 0.697 m/s 6.598 (0.95) 5.678 (1.11) 5.497 (1.14) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.482 m^2/s^2 0.694 m/s 1.388 m/s 6.369 (0.99) 1.715 (3.66) 1.297 (4.85) s (rad/s)
passenger deck forward: Abs. vert. accel 0.159 m^2/s^4 0.398 m/s^2 0.797 m/s^2 6.467 (0.97) 4.944 (1.27) 4.743 (1.32) s (rad/s)
passenger deck forward: Rel. vert. accel 11.305 m^2/s^4 3.362 m/s^2 6.725 m/s^2 0.427 (14.71) 0.693 (9.07) 0.636 (9.88) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.001 m^2 0.023 m 0.046 m 6.519 (0.96) 5.132 (1.22) 4.912 (1.28) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.001 m^2/s^2 0.030 m/s 0.059 m/s 6.408 (0.98) 4.278 (1.47) 4.081 (1.54) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.002 m^2/s^4 0.046 m/s^2 0.091 m/s^2 3.540 (1.77) 3.555 (1.77) 3.403 (1.85) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.002 m^2 0.041 m 0.083 m 6.454 (0.97) 4.889 (1.29) 4.710 (1.33) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.003 m^2/s^2 0.055 m/s 0.110 m/s 6.303 (1.00) 4.211 (1.49) 4.058 (1.55) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.007 m^2/s^4 0.085 m/s^2 0.171 m/s^2 3.540 (1.77) 3.620 (1.74) 3.457 (1.82) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 1.690 SM 4.506 % 1.784 % -- -- --
Bridge deck: Abs. vert. motion 0.117 m^2 0.341 m 0.683 m 6.708 (0.94) 6.300 (1.00) 6.150 (1.02) s (rad/s)
Bridge deck: Rel. vert. motion 0.147 m^2 0.384 m 0.768 m 6.521 (0.96) 4.106 (1.53) 3.474 (1.81) s (rad/s)
Bridge deck: Abs. vert. velocity 0.122 m^2/s^2 0.349 m/s 0.697 m/s 6.598 (0.95) 5.678 (1.11) 5.497 (1.14) s (rad/s)
Bridge deck: Rel. vert. velocity 0.482 m^2/s^2 0.694 m/s 1.388 m/s 6.369 (0.99) 1.715 (3.66) 1.297 (4.85) s (rad/s)
Bridge deck: Abs. vert. accel 0.159 m^2/s^4 0.398 m/s^2 0.797 m/s^2 6.467 (0.97) 4.944 (1.27) 4.743 (1.32) s (rad/s)
Bridge deck: Rel. vert. accel 11.305 m^2/s^4 3.362 m/s^2 6.725 m/s^2 0.427 (14.71) 0.693 (9.07) 0.636 (9.88) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.002 m^2 0.042 m 0.085 m 6.519 (0.96) 5.132 (1.22) 4.912 (1.28) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.003 m^2/s^2 0.054 m/s 0.108 m/s 6.408 (0.98) 4.278 (1.47) 4.081 (1.54) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.007 m^2/s^4 0.083 m/s^2 0.166 m/s^2 3.540 (1.77) 3.555 (1.77) 3.403 (1.85) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.006 m^2 0.075 m 0.151 m 6.454 (0.97) 4.889 (1.29) 4.710 (1.33) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.010 m^2/s^2 0.101 m/s 0.201 m/s 6.303 (1.00) 4.211 (1.49) 4.058 (1.55) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.024 m^2/s^4 0.156 m/s^2 0.311 m/s^2 3.540 (1.77) 3.620 (1.74) 3.457 (1.82) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 1.690 SM 4.506 % 1.784 % -- -- --

Trial Speed, 18 kn; Following sea, 4.071 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.956 s -- -- -- -- --
Characteristic wave height 0.300 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 4.071 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.006 m^2 0.075 m 0.150 m 9.960 (0.63) 8.340 (0.75) 7.849 (0.80) s (rad/s)
Encountered wave spectrum 0.006 m^2 0.075 m 0.150 m 7.356 (0.85) 5.631 (1.12) 4.860 (1.29) s (rad/s)
Added resistance 0.239 kN -- -- 7.291 (0.86) 5.767 (1.09) 5.274 (1.19) s (rad/s)
Heave motion 0.004 m^2 0.062 m 0.125 m 7.382 (0.85) 6.813 (0.92) 6.642 (0.95) s (rad/s)
Roll motion 0.00001 rad^2 0.00313 rad 0.00625 rad 7.146 (0.88) 5.438 (1.16) 5.232 (1.20) s (rad/s)
Pitch motion 0.00000 rad^2 0.00111 rad 0.00221 rad 7.257 (0.87) 5.906 (1.06) 5.667 (1.11) s (rad/s)
Heave velocity 0.003 m^2/s^2 0.059 m/s 0.118 m/s 7.264 (0.86) 6.090 (1.03) 5.868 (1.07) s (rad/s)
Roll velocity 0.00001 (rad/s)^2 0.00376 rad/s 0.00751 rad/s 6.996 (0.90) 4.642 (1.35) 4.447 (1.41) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00123 rad/s 0.00245 rad/s 7.116 (0.88) 4.948 (1.27) 4.702 (1.34) s (rad/s)
Heave acceleration 0.004 m^2/s^4 0.063 m/s^2 0.126 m/s^2 7.125 (0.88) 5.165 (1.22) 4.883 (1.29) s (rad/s)
Roll acceleration 0.00003 (rad/s/s)^2 0.00530 rad/s/s 0.01061 rad/s/s 4.089 (1.54) 3.878 (1.62) 3.669 (1.71) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00164 rad/s/s 0.00328 rad/s/s 4.089 (1.54) 4.014 (1.57) 3.793 (1.66) s (rad/s)
passenger deck aft: Abs. vert. motion 0.005 m^2 0.069 m 0.139 m 7.374 (0.85) 6.741 (0.93) 6.561 (0.96) s (rad/s)
passenger deck aft: Rel. vert. motion 0.001 m^2 0.028 m 0.056 m 3.348 (1.88) 2.887 (2.18) 2.514 (2.50) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.004 m^2/s^2 0.066 m/s 0.133 m/s 7.255 (0.87) 5.977 (1.05) 5.741 (1.09) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.005 m^2/s^2 0.070 m/s 0.140 m/s 2.748 (2.29) 1.561 (4.03) 1.318 (4.77) s (rad/s)
passenger deck aft: Abs. vert. accel 0.005 m^2/s^4 0.073 m/s^2 0.145 m/s^2 7.114 (0.88) 4.999 (1.26) 4.707 (1.33) s (rad/s)
passenger deck aft: Rel. vert. accel 0.111 m^2/s^4 0.333 m/s^2 0.667 m/s^2 0.538 (11.69) 0.866 (7.25) 0.803 (7.82) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.003 m 0.006 m 7.262 (0.87) 5.906 (1.06) 5.667 (1.11) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.007 m/s 7.118 (0.88) 4.948 (1.27) 4.701 (1.34) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.005 m/s^2 0.009 m/s^2 4.089 (1.54) 4.013 (1.57) 3.792 (1.66) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.009 m 0.017 m 7.142 (0.88) 5.444 (1.15) 5.238 (1.20) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.010 m/s 0.021 m/s 6.998 (0.90) 4.647 (1.35) 4.452 (1.41) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.015 m/s^2 0.030 m/s^2 4.089 (1.54) 3.881 (1.62) 3.670 (1.71) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.148 SM 0.021 % 0.001 % -- -- --
passenger deck forward: Abs. vert. motion 0.002 m^2 0.050 m 0.099 m 7.396 (0.85) 6.948 (0.90) 6.790 (0.93) s (rad/s)
passenger deck forward: Rel. vert. motion 0.003 m^2 0.050 m 0.101 m 7.214 (0.87) 4.474 (1.40) 3.806 (1.65) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.002 m^2/s^2 0.046 m/s 0.092 m/s 7.290 (0.86) 6.287 (1.00) 6.090 (1.03) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.007 m^2/s^2 0.083 m/s 0.166 m/s 7.073 (0.89) 2.005 (3.13) 1.571 (4.00) s (rad/s)
passenger deck forward: Abs. vert. accel 0.002 m^2/s^4 0.047 m/s^2 0.095 m/s^2 7.152 (0.88) 5.478 (1.15) 5.246 (1.20) s (rad/s)
passenger deck forward: Rel. vert. accel 0.111 m^2/s^4 0.333 m/s^2 0.665 m/s^2 0.538 (11.69) 0.891 (7.05) 0.818 (7.68) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.003 m 0.006 m 7.262 (0.87) 5.906 (1.06) 5.667 (1.11) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.007 m/s 7.118 (0.88) 4.948 (1.27) 4.701 (1.34) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.005 m/s^2 0.009 m/s^2 4.089 (1.54) 4.013 (1.57) 3.792 (1.66) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.009 m 0.017 m 7.142 (0.88) 5.444 (1.15) 5.238 (1.20) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.010 m/s 0.021 m/s 6.998 (0.90) 4.647 (1.35) 4.452 (1.41) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.015 m/s^2 0.030 m/s^2 4.089 (1.54) 3.881 (1.62) 3.670 (1.71) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.080 SM 0.003 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.002 m^2 0.050 m 0.099 m 7.396 (0.85) 6.948 (0.90) 6.790 (0.93) s (rad/s)
Bridge deck: Rel. vert. motion 0.003 m^2 0.050 m 0.101 m 7.214 (0.87) 4.474 (1.40) 3.806 (1.65) s (rad/s)
Bridge deck: Abs. vert. velocity 0.002 m^2/s^2 0.046 m/s 0.092 m/s 7.290 (0.86) 6.287 (1.00) 6.090 (1.03) s (rad/s)
Bridge deck: Rel. vert. velocity 0.007 m^2/s^2 0.083 m/s 0.166 m/s 7.073 (0.89) 2.005 (3.13) 1.571 (4.00) s (rad/s)
Bridge deck: Abs. vert. accel 0.002 m^2/s^4 0.047 m/s^2 0.095 m/s^2 7.152 (0.88) 5.478 (1.15) 5.246 (1.20) s (rad/s)
Bridge deck: Rel. vert. accel 0.111 m^2/s^4 0.333 m/s^2 0.665 m/s^2 0.538 (11.69) 0.891 (7.05) 0.818 (7.68) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.006 m 0.011 m 7.262 (0.87) 5.906 (1.06) 5.667 (1.11) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.006 m/s 0.012 m/s 7.118 (0.88) 4.948 (1.27) 4.701 (1.34) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.008 m/s^2 0.017 m/s^2 4.089 (1.54) 4.013 (1.57) 3.792 (1.66) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.016 m 0.032 m 7.142 (0.88) 5.444 (1.15) 5.238 (1.20) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.019 m/s 0.038 m/s 6.998 (0.90) 4.647 (1.35) 4.452 (1.41) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.001 m^2/s^4 0.027 m/s^2 0.054 m/s^2 4.089 (1.54) 3.881 (1.62) 3.670 (1.71) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.080 SM 0.003 % 0.000 % -- -- --

Trial Speed, 18 kn; Following sea, 4.071 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 4.071 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 7.373 (0.85) 5.645 (1.11) 4.873 (1.29) s (rad/s)
Added resistance 0.954 kN -- -- 7.308 (0.86) 5.778 (1.09) 5.283 (1.19) s (rad/s)
Heave motion 0.016 m^2 0.125 m 0.249 m 7.399 (0.85) 6.827 (0.92) 6.654 (0.94) s (rad/s)
Roll motion 0.00004 rad^2 0.00624 rad 0.01248 rad 7.164 (0.88) 5.443 (1.15) 5.236 (1.20) s (rad/s)
Pitch motion 0.00000 rad^2 0.00221 rad 0.00442 rad 7.275 (0.86) 5.915 (1.06) 5.675 (1.11) s (rad/s)
Heave velocity 0.014 m^2/s^2 0.118 m/s 0.235 m/s 7.283 (0.86) 6.099 (1.03) 5.876 (1.07) s (rad/s)
Roll velocity 0.00006 (rad/s)^2 0.00749 rad/s 0.01498 rad/s 7.014 (0.90) 4.644 (1.35) 4.449 (1.41) s (rad/s)
Pitch velocity 0.00001 (rad/s)^2 0.00245 rad/s 0.00490 rad/s 7.134 (0.88) 4.952 (1.27) 4.705 (1.34) s (rad/s)
Heave acceleration 0.016 m^2/s^4 0.126 m/s^2 0.252 m/s^2 7.143 (0.88) 5.169 (1.22) 4.887 (1.29) s (rad/s)
Roll acceleration 0.00011 (rad/s/s)^2 0.01058 rad/s/s 0.02115 rad/s/s 4.052 (1.55) 3.879 (1.62) 3.670 (1.71) s (rad/s)
Pitch acceleration 0.00001 (rad/s/s)^2 0.00327 rad/s/s 0.00654 rad/s/s 4.100 (1.53) 4.015 (1.56) 3.794 (1.66) s (rad/s)
passenger deck aft: Abs. vert. motion 0.019 m^2 0.139 m 0.277 m 7.393 (0.85) 6.755 (0.93) 6.573 (0.96) s (rad/s)
passenger deck aft: Rel. vert. motion 0.003 m^2 0.056 m 0.112 m 3.357 (1.87) 2.889 (2.17) 2.516 (2.50) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.018 m^2/s^2 0.132 m/s 0.265 m/s 7.271 (0.86) 5.986 (1.05) 5.749 (1.09) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.019 m^2/s^2 0.139 m/s 0.279 m/s 2.756 (2.28) 1.563 (4.02) 1.321 (4.76) s (rad/s)
passenger deck aft: Abs. vert. accel 0.021 m^2/s^4 0.145 m/s^2 0.290 m/s^2 7.130 (0.88) 5.004 (1.26) 4.710 (1.33) s (rad/s)
passenger deck aft: Rel. vert. accel 0.439 m^2/s^4 0.662 m/s^2 1.325 m/s^2 0.539 (11.65) 0.869 (7.23) 0.806 (7.80) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.006 m 0.012 m 7.281 (0.86) 5.915 (1.06) 5.675 (1.11) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.007 m/s 0.014 m/s 7.136 (0.88) 4.952 (1.27) 4.704 (1.34) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.009 m/s^2 0.018 m/s^2 4.100 (1.53) 4.014 (1.57) 3.793 (1.66) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.017 m 0.035 m 7.160 (0.88) 5.450 (1.15) 5.242 (1.20) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.021 m/s 0.042 m/s 7.014 (0.90) 4.649 (1.35) 4.453 (1.41) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.001 m^2/s^4 0.030 m/s^2 0.059 m/s^2 4.100 (1.53) 3.881 (1.62) 3.671 (1.71) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.399 SM 0.270 % 0.035 % -- -- --
passenger deck forward: Abs. vert. motion 0.010 m^2 0.099 m 0.199 m 7.414 (0.85) 6.962 (0.90) 6.803 (0.92) s (rad/s)
passenger deck forward: Rel. vert. motion 0.010 m^2 0.101 m 0.201 m 7.232 (0.87) 4.481 (1.40) 3.812 (1.65) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.008 m^2/s^2 0.092 m/s 0.183 m/s 7.306 (0.86) 6.297 (1.00) 6.099 (1.03) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.027 m^2/s^2 0.166 m/s 0.331 m/s 7.091 (0.89) 2.010 (3.13) 1.575 (3.99) s (rad/s)
passenger deck forward: Abs. vert. accel 0.009 m^2/s^4 0.094 m/s^2 0.189 m/s^2 7.170 (0.88) 5.484 (1.15) 5.250 (1.20) s (rad/s)
passenger deck forward: Rel. vert. accel 0.437 m^2/s^4 0.661 m/s^2 1.322 m/s^2 0.539 (11.65) 0.894 (7.03) 0.821 (7.65) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.006 m 0.012 m 7.281 (0.86) 5.915 (1.06) 5.675 (1.11) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.007 m/s 0.014 m/s 7.136 (0.88) 4.952 (1.27) 4.704 (1.34) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.009 m/s^2 0.018 m/s^2 4.100 (1.53) 4.014 (1.57) 3.793 (1.66) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.017 m 0.035 m 7.160 (0.88) 5.450 (1.15) 5.242 (1.20) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.021 m/s 0.042 m/s 7.014 (0.90) 4.649 (1.35) 4.453 (1.41) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.001 m^2/s^4 0.030 m/s^2 0.059 m/s^2 4.100 (1.53) 3.881 (1.62) 3.671 (1.71) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.216 SM 0.060 % 0.004 % -- -- --
Bridge deck: Abs. vert. motion 0.010 m^2 0.099 m 0.199 m 7.414 (0.85) 6.962 (0.90) 6.803 (0.92) s (rad/s)
Bridge deck: Rel. vert. motion 0.010 m^2 0.101 m 0.201 m 7.232 (0.87) 4.481 (1.40) 3.812 (1.65) s (rad/s)
Bridge deck: Abs. vert. velocity 0.008 m^2/s^2 0.092 m/s 0.183 m/s 7.306 (0.86) 6.297 (1.00) 6.099 (1.03) s (rad/s)
Bridge deck: Rel. vert. velocity 0.027 m^2/s^2 0.166 m/s 0.331 m/s 7.091 (0.89) 2.010 (3.13) 1.575 (3.99) s (rad/s)
Bridge deck: Abs. vert. accel 0.009 m^2/s^4 0.094 m/s^2 0.189 m/s^2 7.170 (0.88) 5.484 (1.15) 5.250 (1.20) s (rad/s)
Bridge deck: Rel. vert. accel 0.437 m^2/s^4 0.661 m/s^2 1.322 m/s^2 0.539 (11.65) 0.894 (7.03) 0.821 (7.65) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.011 m 0.022 m 7.281 (0.86) 5.915 (1.06) 5.675 (1.11) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.012 m/s 0.025 m/s 7.136 (0.88) 4.952 (1.27) 4.704 (1.34) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.017 m/s^2 0.033 m/s^2 4.100 (1.53) 4.014 (1.57) 3.793 (1.66) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.001 m^2 0.032 m 0.064 m 7.160 (0.88) 5.450 (1.15) 5.242 (1.20) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.001 m^2/s^2 0.038 m/s 0.076 m/s 7.014 (0.90) 4.649 (1.35) 4.453 (1.41) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.003 m^2/s^4 0.054 m/s^2 0.108 m/s^2 4.100 (1.53) 3.881 (1.62) 3.671 (1.71) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.216 SM 0.060 % 0.004 % -- -- --

Trial Speed, 18 kn; Following sea, 4.071 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.965 s -- -- -- -- --
Characteristic wave height 1.200 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 4.071 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.090 m^2 0.300 m 0.601 m 9.969 (0.63) 8.348 (0.75) 7.856 (0.80) s (rad/s)
Encountered wave spectrum 0.090 m^2 0.300 m 0.601 m 7.363 (0.85) 5.638 (1.11) 4.866 (1.29) s (rad/s)
Added resistance 3.819 kN -- -- 7.300 (0.86) 5.772 (1.09) 5.278 (1.19) s (rad/s)
Heave motion 0.062 m^2 0.249 m 0.498 m 7.390 (0.85) 6.819 (0.92) 6.648 (0.95) s (rad/s)
Roll motion 0.00016 rad^2 0.01250 rad 0.02499 rad 7.154 (0.88) 5.440 (1.15) 5.234 (1.20) s (rad/s)
Pitch motion 0.00002 rad^2 0.00443 rad 0.00885 rad 7.265 (0.86) 5.911 (1.06) 5.671 (1.11) s (rad/s)
Heave velocity 0.055 m^2/s^2 0.236 m/s 0.471 m/s 7.273 (0.86) 6.094 (1.03) 5.871 (1.07) s (rad/s)
Roll velocity 0.00022 (rad/s)^2 0.01500 rad/s 0.03000 rad/s 7.004 (0.90) 4.643 (1.35) 4.448 (1.41) s (rad/s)
Pitch velocity 0.00002 (rad/s)^2 0.00490 rad/s 0.00981 rad/s 7.124 (0.88) 4.950 (1.27) 4.703 (1.34) s (rad/s)
Heave acceleration 0.063 m^2/s^4 0.252 m/s^2 0.504 m/s^2 7.134 (0.88) 5.167 (1.22) 4.885 (1.29) s (rad/s)
Roll acceleration 0.00045 (rad/s/s)^2 0.02119 rad/s/s 0.04237 rad/s/s 4.094 (1.53) 3.879 (1.62) 3.669 (1.71) s (rad/s)
Pitch acceleration 0.00004 (rad/s/s)^2 0.00655 rad/s/s 0.01310 rad/s/s 4.094 (1.53) 4.014 (1.57) 3.793 (1.66) s (rad/s)
passenger deck aft: Abs. vert. motion 0.077 m^2 0.277 m 0.554 m 7.382 (0.85) 6.748 (0.93) 6.567 (0.96) s (rad/s)
passenger deck aft: Rel. vert. motion 0.012 m^2 0.112 m 0.223 m 3.352 (1.87) 2.888 (2.18) 2.515 (2.50) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.070 m^2/s^2 0.265 m/s 0.530 m/s 7.263 (0.87) 5.982 (1.05) 5.745 (1.09) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.078 m^2/s^2 0.279 m/s 0.558 m/s 2.752 (2.28) 1.562 (4.02) 1.320 (4.76) s (rad/s)
passenger deck aft: Abs. vert. accel 0.084 m^2/s^4 0.290 m/s^2 0.580 m/s^2 7.122 (0.88) 5.001 (1.26) 4.709 (1.33) s (rad/s)
passenger deck aft: Rel. vert. accel 1.766 m^2/s^4 1.329 m/s^2 2.658 m/s^2 0.538 (11.67) 0.868 (7.24) 0.804 (7.81) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.012 m 0.025 m 7.271 (0.86) 5.911 (1.06) 5.671 (1.11) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.014 m/s 0.027 m/s 7.126 (0.88) 4.950 (1.27) 4.703 (1.34) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.018 m/s^2 0.037 m/s^2 4.094 (1.53) 4.013 (1.57) 3.792 (1.66) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.001 m^2 0.035 m 0.070 m 7.150 (0.88) 5.447 (1.15) 5.240 (1.20) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.002 m^2/s^2 0.042 m/s 0.084 m/s 7.004 (0.90) 4.648 (1.35) 4.452 (1.41) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.003 m^2/s^4 0.059 m/s^2 0.118 m/s^2 4.094 (1.53) 3.881 (1.62) 3.671 (1.71) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 1.076 SM 2.124 % 0.639 % -- -- --
passenger deck forward: Abs. vert. motion 0.039 m^2 0.199 m 0.397 m 7.404 (0.85) 6.954 (0.90) 6.796 (0.92) s (rad/s)
passenger deck forward: Rel. vert. motion 0.041 m^2 0.201 m 0.403 m 7.223 (0.87) 4.477 (1.40) 3.809 (1.65) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.034 m^2/s^2 0.184 m/s 0.367 m/s 7.298 (0.86) 6.291 (1.00) 6.094 (1.03) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.110 m^2/s^2 0.332 m/s 0.664 m/s 7.081 (0.89) 2.007 (3.13) 1.573 (3.99) s (rad/s)
passenger deck forward: Abs. vert. accel 0.036 m^2/s^4 0.189 m/s^2 0.378 m/s^2 7.160 (0.88) 5.481 (1.15) 5.248 (1.20) s (rad/s)
passenger deck forward: Rel. vert. accel 1.759 m^2/s^4 1.326 m/s^2 2.652 m/s^2 0.538 (11.67) 0.893 (7.04) 0.819 (7.67) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.012 m 0.025 m 7.271 (0.86) 5.911 (1.06) 5.671 (1.11) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.014 m/s 0.027 m/s 7.126 (0.88) 4.950 (1.27) 4.703 (1.34) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.018 m/s^2 0.037 m/s^2 4.094 (1.53) 4.013 (1.57) 3.792 (1.66) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.001 m^2 0.035 m 0.070 m 7.150 (0.88) 5.447 (1.15) 5.240 (1.20) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.002 m^2/s^2 0.042 m/s 0.084 m/s 7.004 (0.90) 4.648 (1.35) 4.452 (1.41) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.003 m^2/s^4 0.059 m/s^2 0.118 m/s^2 4.094 (1.53) 3.881 (1.62) 3.671 (1.71) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.583 SM 0.648 % 0.123 % -- -- --
Bridge deck: Abs. vert. motion 0.039 m^2 0.199 m 0.397 m 7.404 (0.85) 6.954 (0.90) 6.796 (0.92) s (rad/s)
Bridge deck: Rel. vert. motion 0.041 m^2 0.201 m 0.403 m 7.223 (0.87) 4.477 (1.40) 3.809 (1.65) s (rad/s)
Bridge deck: Abs. vert. velocity 0.034 m^2/s^2 0.184 m/s 0.367 m/s 7.298 (0.86) 6.291 (1.00) 6.094 (1.03) s (rad/s)
Bridge deck: Rel. vert. velocity 0.110 m^2/s^2 0.332 m/s 0.664 m/s 7.081 (0.89) 2.007 (3.13) 1.573 (3.99) s (rad/s)
Bridge deck: Abs. vert. accel 0.036 m^2/s^4 0.189 m/s^2 0.378 m/s^2 7.160 (0.88) 5.481 (1.15) 5.248 (1.20) s (rad/s)
Bridge deck: Rel. vert. accel 1.759 m^2/s^4 1.326 m/s^2 2.652 m/s^2 0.538 (11.67) 0.893 (7.04) 0.819 (7.67) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.001 m^2 0.022 m 0.045 m 7.271 (0.86) 5.911 (1.06) 5.671 (1.11) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.001 m^2/s^2 0.025 m/s 0.050 m/s 7.126 (0.88) 4.950 (1.27) 4.703 (1.34) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.001 m^2/s^4 0.033 m/s^2 0.067 m/s^2 4.094 (1.53) 4.013 (1.57) 3.792 (1.66) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.004 m^2 0.064 m 0.127 m 7.150 (0.88) 5.447 (1.15) 5.240 (1.20) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.006 m^2/s^2 0.076 m/s 0.153 m/s 7.004 (0.90) 4.648 (1.35) 4.452 (1.41) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.012 m^2/s^4 0.108 m/s^2 0.216 m/s^2 4.094 (1.53) 3.881 (1.62) 3.671 (1.71) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.583 SM 0.648 % 0.123 % -- -- --

Trial Speed, 18 kn; Following sea, 4.071 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 2.000 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 4.071 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.251 m^2 0.501 m 1.001 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.251 m^2 0.501 m 1.001 m 7.373 (0.85) 5.645 (1.11) 4.873 (1.29) s (rad/s)
Added resistance 10.600 kN -- -- 7.308 (0.86) 5.778 (1.09) 5.283 (1.19) s (rad/s)
Heave motion 0.173 m^2 0.416 m 0.831 m 7.399 (0.85) 6.827 (0.92) 6.654 (0.94) s (rad/s)
Roll motion 0.00043 rad^2 0.02080 rad 0.04161 rad 7.164 (0.88) 5.443 (1.15) 5.236 (1.20) s (rad/s)
Pitch motion 0.00005 rad^2 0.00737 rad 0.01474 rad 7.275 (0.86) 5.915 (1.06) 5.675 (1.11) s (rad/s)
Heave velocity 0.154 m^2/s^2 0.392 m/s 0.785 m/s 7.283 (0.86) 6.099 (1.03) 5.876 (1.07) s (rad/s)
Roll velocity 0.00062 (rad/s)^2 0.02496 rad/s 0.04992 rad/s 7.014 (0.90) 4.644 (1.35) 4.449 (1.41) s (rad/s)
Pitch velocity 0.00007 (rad/s)^2 0.00816 rad/s 0.01632 rad/s 7.134 (0.88) 4.952 (1.27) 4.705 (1.34) s (rad/s)
Heave acceleration 0.176 m^2/s^4 0.419 m/s^2 0.839 m/s^2 7.143 (0.88) 5.169 (1.22) 4.887 (1.29) s (rad/s)
Roll acceleration 0.00124 (rad/s/s)^2 0.03525 rad/s/s 0.07050 rad/s/s 4.052 (1.55) 3.879 (1.62) 3.670 (1.71) s (rad/s)
Pitch acceleration 0.00012 (rad/s/s)^2 0.01090 rad/s/s 0.02180 rad/s/s 4.100 (1.53) 4.015 (1.56) 3.794 (1.66) s (rad/s)
passenger deck aft: Abs. vert. motion 0.214 m^2 0.462 m 0.924 m 7.393 (0.85) 6.755 (0.93) 6.573 (0.96) s (rad/s)
passenger deck aft: Rel. vert. motion 0.035 m^2 0.186 m 0.372 m 3.357 (1.87) 2.889 (2.17) 2.516 (2.50) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.195 m^2/s^2 0.442 m/s 0.883 m/s 7.271 (0.86) 5.986 (1.05) 5.749 (1.09) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.216 m^2/s^2 0.464 m/s 0.928 m/s 2.756 (2.28) 1.563 (4.02) 1.321 (4.76) s (rad/s)
passenger deck aft: Abs. vert. accel 0.233 m^2/s^4 0.483 m/s^2 0.965 m/s^2 7.130 (0.88) 5.004 (1.26) 4.710 (1.33) s (rad/s)
passenger deck aft: Rel. vert. accel 4.874 m^2/s^4 2.208 m/s^2 4.415 m/s^2 0.539 (11.65) 0.869 (7.23) 0.806 (7.80) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.021 m 0.041 m 7.281 (0.86) 5.915 (1.06) 5.675 (1.11) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.001 m^2/s^2 0.023 m/s 0.046 m/s 7.136 (0.88) 4.952 (1.27) 4.704 (1.34) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.001 m^2/s^4 0.030 m/s^2 0.061 m/s^2 4.100 (1.53) 4.014 (1.57) 3.793 (1.66) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.003 m^2 0.058 m 0.116 m 7.160 (0.88) 5.450 (1.15) 5.242 (1.20) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.005 m^2/s^2 0.070 m/s 0.139 m/s 7.014 (0.90) 4.649 (1.35) 4.453 (1.41) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.010 m^2/s^4 0.098 m/s^2 0.197 m/s^2 4.100 (1.53) 3.881 (1.62) 3.671 (1.71) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 2.230 SM 7.003 % 3.260 % -- -- --
passenger deck forward: Abs. vert. motion 0.110 m^2 0.331 m 0.662 m 7.414 (0.85) 6.962 (0.90) 6.803 (0.92) s (rad/s)
passenger deck forward: Rel. vert. motion 0.112 m^2 0.335 m 0.670 m 7.232 (0.87) 4.481 (1.40) 3.812 (1.65) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.094 m^2/s^2 0.306 m/s 0.612 m/s 7.306 (0.86) 6.297 (1.00) 6.099 (1.03) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.305 m^2/s^2 0.552 m/s 1.105 m/s 7.091 (0.89) 2.010 (3.13) 1.575 (3.99) s (rad/s)
passenger deck forward: Abs. vert. accel 0.099 m^2/s^4 0.315 m/s^2 0.630 m/s^2 7.170 (0.88) 5.484 (1.15) 5.250 (1.20) s (rad/s)
passenger deck forward: Rel. vert. accel 4.854 m^2/s^4 2.203 m/s^2 4.407 m/s^2 0.539 (11.65) 0.894 (7.03) 0.821 (7.65) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.021 m 0.041 m 7.281 (0.86) 5.915 (1.06) 5.675 (1.11) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.001 m^2/s^2 0.023 m/s 0.046 m/s 7.136 (0.88) 4.952 (1.27) 4.704 (1.34) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.001 m^2/s^4 0.030 m/s^2 0.061 m/s^2 4.100 (1.53) 4.014 (1.57) 3.793 (1.66) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.003 m^2 0.058 m 0.116 m 7.160 (0.88) 5.450 (1.15) 5.242 (1.20) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.005 m^2/s^2 0.070 m/s 0.139 m/s 7.014 (0.90) 4.649 (1.35) 4.453 (1.41) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.010 m^2/s^4 0.098 m/s^2 0.197 m/s^2 4.100 (1.53) 3.881 (1.62) 3.671 (1.71) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 1.209 SM 2.672 % 0.882 % -- -- --
Bridge deck: Abs. vert. motion 0.110 m^2 0.331 m 0.662 m 7.414 (0.85) 6.962 (0.90) 6.803 (0.92) s (rad/s)
Bridge deck: Rel. vert. motion 0.112 m^2 0.335 m 0.670 m 7.232 (0.87) 4.481 (1.40) 3.812 (1.65) s (rad/s)
Bridge deck: Abs. vert. velocity 0.094 m^2/s^2 0.306 m/s 0.612 m/s 7.306 (0.86) 6.297 (1.00) 6.099 (1.03) s (rad/s)
Bridge deck: Rel. vert. velocity 0.305 m^2/s^2 0.552 m/s 1.105 m/s 7.091 (0.89) 2.010 (3.13) 1.575 (3.99) s (rad/s)
Bridge deck: Abs. vert. accel 0.099 m^2/s^4 0.315 m/s^2 0.630 m/s^2 7.170 (0.88) 5.484 (1.15) 5.250 (1.20) s (rad/s)
Bridge deck: Rel. vert. accel 4.854 m^2/s^4 2.203 m/s^2 4.407 m/s^2 0.539 (11.65) 0.894 (7.03) 0.821 (7.65) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.001 m^2 0.037 m 0.075 m 7.281 (0.86) 5.915 (1.06) 5.675 (1.11) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.002 m^2/s^2 0.041 m/s 0.083 m/s 7.136 (0.88) 4.952 (1.27) 4.704 (1.34) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.003 m^2/s^4 0.055 m/s^2 0.111 m/s^2 4.100 (1.53) 4.014 (1.57) 3.793 (1.66) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.011 m^2 0.106 m 0.212 m 7.160 (0.88) 5.450 (1.15) 5.242 (1.20) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.016 m^2/s^2 0.127 m/s 0.254 m/s 7.014 (0.90) 4.649 (1.35) 4.453 (1.41) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.032 m^2/s^4 0.179 m/s^2 0.359 m/s^2 4.100 (1.53) 3.881 (1.62) 3.671 (1.71) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 1.209 SM 2.672 % 0.882 % -- -- --

Trial Speed, 18 kn; 4.336 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.956 s -- -- -- -- --
Characteristic wave height 0.300 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 4.336 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.006 m^2 0.075 m 0.150 m 9.960 (0.63) 8.340 (0.75) 7.849 (0.80) s (rad/s)
Encountered wave spectrum 0.006 m^2 0.075 m 0.150 m 8.182 (0.77) 6.438 (0.98) 5.721 (1.10) s (rad/s)
Added resistance 0.243 kN -- -- 8.107 (0.78) 6.319 (0.99) 5.729 (1.10) s (rad/s)
Heave motion 0.004 m^2 0.061 m 0.122 m 8.207 (0.77) 7.653 (0.82) 7.486 (0.84) s (rad/s)
Roll motion 0.00001 rad^2 0.00345 rad 0.00689 rad 7.968 (0.79) 6.175 (1.02) 5.928 (1.06) s (rad/s)
Pitch motion 0.00000 rad^2 0.00107 rad 0.00215 rad 8.127 (0.77) 7.037 (0.89) 6.805 (0.92) s (rad/s)
Heave velocity 0.003 m^2/s^2 0.051 m/s 0.102 m/s 8.093 (0.78) 6.941 (0.91) 6.711 (0.94) s (rad/s)
Roll velocity 0.00001 (rad/s)^2 0.00365 rad/s 0.00731 rad/s 7.823 (0.80) 5.170 (1.22) 4.890 (1.28) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00099 rad/s 0.00198 rad/s 7.993 (0.79) 6.044 (1.04) 5.729 (1.10) s (rad/s)
Heave acceleration 0.002 m^2/s^4 0.048 m/s^2 0.096 m/s^2 7.958 (0.79) 5.940 (1.06) 5.589 (1.12) s (rad/s)
Roll acceleration 0.00002 (rad/s/s)^2 0.00469 rad/s/s 0.00939 rad/s/s 4.545 (1.38) 4.076 (1.54) 3.809 (1.65) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00109 rad/s/s 0.00218 rad/s/s 7.853 (0.80) 4.758 (1.32) 4.392 (1.43) s (rad/s)
passenger deck aft: Abs. vert. motion 0.005 m^2 0.068 m 0.136 m 8.199 (0.77) 7.598 (0.83) 7.425 (0.85) s (rad/s)
passenger deck aft: Rel. vert. motion 0.001 m^2 0.027 m 0.054 m 3.762 (1.67) 3.376 (1.86) 3.011 (2.09) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.003 m^2/s^2 0.058 m/s 0.115 m/s 8.081 (0.78) 6.858 (0.92) 6.615 (0.95) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.003 m^2/s^2 0.056 m/s 0.112 m/s 3.180 (1.98) 2.040 (3.08) 1.766 (3.56) s (rad/s)
passenger deck aft: Abs. vert. accel 0.003 m^2/s^4 0.055 m/s^2 0.109 m/s^2 7.946 (0.79) 5.797 (1.08) 5.424 (1.16) s (rad/s)
passenger deck aft: Rel. vert. accel 0.040 m^2/s^4 0.199 m/s^2 0.399 m/s^2 2.752 (2.28) 1.208 (5.20) 1.117 (5.63) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.003 m 0.006 m 8.115 (0.77) 7.033 (0.89) 6.801 (0.92) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.006 m/s 7.975 (0.79) 6.039 (1.04) 5.724 (1.10) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.003 m/s^2 0.006 m/s^2 7.827 (0.80) 4.751 (1.32) 4.385 (1.43) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.010 m 0.019 m 7.975 (0.79) 6.186 (1.02) 5.938 (1.06) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.010 m/s 0.020 m/s 7.834 (0.80) 5.178 (1.21) 4.896 (1.28) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.013 m/s^2 0.026 m/s^2 4.497 (1.40) 4.078 (1.54) 3.809 (1.65) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.098 SM 0.006 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.002 m^2 0.048 m 0.095 m 8.228 (0.76) 7.782 (0.81) 7.624 (0.82) s (rad/s)
passenger deck forward: Rel. vert. motion 0.002 m^2 0.045 m 0.090 m 8.063 (0.78) 5.067 (1.24) 4.371 (1.44) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.002 m^2/s^2 0.039 m/s 0.078 m/s 8.127 (0.77) 7.117 (0.88) 6.912 (0.91) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.004 m^2/s^2 0.065 m/s 0.130 m/s 7.927 (0.79) 2.505 (2.51) 2.036 (3.09) s (rad/s)
passenger deck forward: Abs. vert. accel 0.001 m^2/s^4 0.036 m/s^2 0.071 m/s^2 7.993 (0.79) 6.252 (1.01) 5.975 (1.05) s (rad/s)
passenger deck forward: Rel. vert. accel 0.040 m^2/s^4 0.200 m/s^2 0.400 m/s^2 0.729 (8.62) 1.230 (5.11) 1.129 (5.57) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.003 m 0.006 m 8.115 (0.77) 7.033 (0.89) 6.801 (0.92) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.006 m/s 7.975 (0.79) 6.039 (1.04) 5.724 (1.10) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.003 m/s^2 0.006 m/s^2 7.827 (0.80) 4.751 (1.32) 4.385 (1.43) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.010 m 0.019 m 7.975 (0.79) 6.186 (1.02) 5.938 (1.06) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.010 m/s 0.020 m/s 7.834 (0.80) 5.178 (1.21) 4.896 (1.28) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.013 m/s^2 0.026 m/s^2 4.497 (1.40) 4.078 (1.54) 3.809 (1.65) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.052 SM 0.001 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.002 m^2 0.048 m 0.095 m 8.228 (0.76) 7.782 (0.81) 7.624 (0.82) s (rad/s)
Bridge deck: Rel. vert. motion 0.002 m^2 0.045 m 0.090 m 8.063 (0.78) 5.067 (1.24) 4.371 (1.44) s (rad/s)
Bridge deck: Abs. vert. velocity 0.002 m^2/s^2 0.039 m/s 0.078 m/s 8.127 (0.77) 7.117 (0.88) 6.912 (0.91) s (rad/s)
Bridge deck: Rel. vert. velocity 0.004 m^2/s^2 0.065 m/s 0.130 m/s 7.927 (0.79) 2.505 (2.51) 2.036 (3.09) s (rad/s)
Bridge deck: Abs. vert. accel 0.001 m^2/s^4 0.036 m/s^2 0.071 m/s^2 7.993 (0.79) 6.252 (1.01) 5.975 (1.05) s (rad/s)
Bridge deck: Rel. vert. accel 0.040 m^2/s^4 0.200 m/s^2 0.400 m/s^2 0.729 (8.62) 1.230 (5.11) 1.129 (5.57) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.005 m 0.011 m 8.115 (0.77) 7.033 (0.89) 6.801 (0.92) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.010 m/s 7.975 (0.79) 6.039 (1.04) 5.724 (1.10) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.006 m/s^2 0.011 m/s^2 7.827 (0.80) 4.751 (1.32) 4.385 (1.43) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.018 m 0.035 m 7.975 (0.79) 6.186 (1.02) 5.938 (1.06) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.019 m/s 0.037 m/s 7.834 (0.80) 5.178 (1.21) 4.896 (1.28) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.001 m^2/s^4 0.024 m/s^2 0.048 m/s^2 4.497 (1.40) 4.078 (1.54) 3.809 (1.65) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.052 SM 0.001 % 0.000 % -- -- --

Trial Speed, 18 kn; 4.336 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 4.336 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 8.199 (0.77) 6.454 (0.97) 5.735 (1.10) s (rad/s)
Added resistance 0.969 kN -- -- 8.124 (0.77) 6.331 (0.99) 5.739 (1.09) s (rad/s)
Heave motion 0.015 m^2 0.122 m 0.244 m 8.226 (0.76) 7.667 (0.82) 7.499 (0.84) s (rad/s)
Roll motion 0.00005 rad^2 0.00688 rad 0.01376 rad 7.984 (0.79) 6.181 (1.02) 5.933 (1.06) s (rad/s)
Pitch motion 0.00000 rad^2 0.00215 rad 0.00430 rad 8.144 (0.77) 7.048 (0.89) 6.815 (0.92) s (rad/s)
Heave velocity 0.010 m^2/s^2 0.102 m/s 0.204 m/s 8.112 (0.77) 6.951 (0.90) 6.720 (0.94) s (rad/s)
Roll velocity 0.00005 (rad/s)^2 0.00729 rad/s 0.01457 rad/s 7.841 (0.80) 5.173 (1.21) 4.892 (1.28) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00198 rad/s 0.00396 rad/s 8.012 (0.78) 6.050 (1.04) 5.735 (1.10) s (rad/s)
Heave acceleration 0.009 m^2/s^4 0.096 m/s^2 0.191 m/s^2 7.977 (0.79) 5.946 (1.06) 5.594 (1.12) s (rad/s)
Roll acceleration 0.00009 (rad/s/s)^2 0.00936 rad/s/s 0.01871 rad/s/s 4.508 (1.39) 4.077 (1.54) 3.810 (1.65) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00217 rad/s/s 0.00434 rad/s/s 7.870 (0.80) 4.761 (1.32) 4.395 (1.43) s (rad/s)
passenger deck aft: Abs. vert. motion 0.019 m^2 0.136 m 0.273 m 8.218 (0.76) 7.612 (0.83) 7.438 (0.84) s (rad/s)
passenger deck aft: Rel. vert. motion 0.003 m^2 0.054 m 0.107 m 3.737 (1.68) 3.378 (1.86) 3.013 (2.09) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.013 m^2/s^2 0.115 m/s 0.230 m/s 8.100 (0.78) 6.868 (0.91) 6.623 (0.95) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.012 m^2/s^2 0.112 m/s 0.223 m/s 3.161 (1.99) 2.042 (3.08) 1.769 (3.55) s (rad/s)
passenger deck aft: Abs. vert. accel 0.012 m^2/s^4 0.109 m/s^2 0.218 m/s^2 7.963 (0.79) 5.802 (1.08) 5.428 (1.16) s (rad/s)
passenger deck aft: Rel. vert. accel 0.157 m^2/s^4 0.396 m/s^2 0.793 m/s^2 2.760 (2.28) 1.211 (5.19) 1.120 (5.61) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.006 m 0.012 m 8.134 (0.77) 7.045 (0.89) 6.811 (0.92) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.011 m/s 7.994 (0.79) 6.046 (1.04) 5.729 (1.10) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.006 m/s^2 0.012 m/s^2 7.845 (0.80) 4.754 (1.32) 4.387 (1.43) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.019 m 0.038 m 7.992 (0.79) 6.192 (1.01) 5.943 (1.06) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.020 m/s 0.041 m/s 7.853 (0.80) 5.181 (1.21) 4.898 (1.28) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.001 m^2/s^4 0.026 m/s^2 0.052 m/s^2 4.508 (1.39) 4.079 (1.54) 3.810 (1.65) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.263 SM 0.102 % 0.009 % -- -- --
passenger deck forward: Abs. vert. motion 0.009 m^2 0.095 m 0.191 m 8.247 (0.76) 7.797 (0.81) 7.638 (0.82) s (rad/s)
passenger deck forward: Rel. vert. motion 0.008 m^2 0.090 m 0.180 m 8.080 (0.78) 5.076 (1.24) 4.378 (1.44) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.006 m^2/s^2 0.078 m/s 0.157 m/s 8.144 (0.77) 7.128 (0.88) 6.923 (0.91) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.017 m^2/s^2 0.129 m/s 0.258 m/s 7.943 (0.79) 2.510 (2.50) 2.040 (3.08) s (rad/s)
passenger deck forward: Abs. vert. accel 0.005 m^2/s^4 0.071 m/s^2 0.142 m/s^2 8.012 (0.78) 6.259 (1.00) 5.981 (1.05) s (rad/s)
passenger deck forward: Rel. vert. accel 0.158 m^2/s^4 0.398 m/s^2 0.796 m/s^2 0.728 (8.63) 1.233 (5.09) 1.132 (5.55) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.006 m 0.012 m 8.134 (0.77) 7.045 (0.89) 6.811 (0.92) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.011 m/s 7.994 (0.79) 6.046 (1.04) 5.729 (1.10) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.006 m/s^2 0.012 m/s^2 7.845 (0.80) 4.754 (1.32) 4.387 (1.43) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.019 m 0.038 m 7.992 (0.79) 6.192 (1.01) 5.943 (1.06) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.020 m/s 0.041 m/s 7.853 (0.80) 5.181 (1.21) 4.898 (1.28) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.001 m^2/s^4 0.026 m/s^2 0.052 m/s^2 4.508 (1.39) 4.079 (1.54) 3.810 (1.65) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.141 SM 0.019 % 0.001 % -- -- --
Bridge deck: Abs. vert. motion 0.009 m^2 0.095 m 0.191 m 8.247 (0.76) 7.797 (0.81) 7.638 (0.82) s (rad/s)
Bridge deck: Rel. vert. motion 0.008 m^2 0.090 m 0.180 m 8.080 (0.78) 5.076 (1.24) 4.378 (1.44) s (rad/s)
Bridge deck: Abs. vert. velocity 0.006 m^2/s^2 0.078 m/s 0.157 m/s 8.144 (0.77) 7.128 (0.88) 6.923 (0.91) s (rad/s)
Bridge deck: Rel. vert. velocity 0.017 m^2/s^2 0.129 m/s 0.258 m/s 7.943 (0.79) 2.510 (2.50) 2.040 (3.08) s (rad/s)
Bridge deck: Abs. vert. accel 0.005 m^2/s^4 0.071 m/s^2 0.142 m/s^2 8.012 (0.78) 6.259 (1.00) 5.981 (1.05) s (rad/s)
Bridge deck: Rel. vert. accel 0.158 m^2/s^4 0.398 m/s^2 0.796 m/s^2 0.728 (8.63) 1.233 (5.09) 1.132 (5.55) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.011 m 0.022 m 8.134 (0.77) 7.045 (0.89) 6.811 (0.92) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.010 m/s 0.020 m/s 7.994 (0.79) 6.046 (1.04) 5.729 (1.10) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.011 m/s^2 0.022 m/s^2 7.845 (0.80) 4.754 (1.32) 4.387 (1.43) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.001 m^2 0.035 m 0.070 m 7.992 (0.79) 6.192 (1.01) 5.943 (1.06) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.001 m^2/s^2 0.037 m/s 0.074 m/s 7.853 (0.80) 5.181 (1.21) 4.898 (1.28) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.002 m^2/s^4 0.048 m/s^2 0.095 m/s^2 4.508 (1.39) 4.079 (1.54) 3.810 (1.65) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.141 SM 0.019 % 0.001 % -- -- --

Trial Speed, 18 kn; 4.336 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.965 s -- -- -- -- --
Characteristic wave height 1.200 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 4.336 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.090 m^2 0.300 m 0.601 m 9.969 (0.63) 8.348 (0.75) 7.856 (0.80) s (rad/s)
Encountered wave spectrum 0.090 m^2 0.300 m 0.601 m 8.189 (0.77) 6.445 (0.97) 5.728 (1.10) s (rad/s)
Added resistance 3.881 kN -- -- 8.116 (0.77) 6.324 (0.99) 5.733 (1.10) s (rad/s)
Heave motion 0.059 m^2 0.244 m 0.488 m 8.216 (0.76) 7.660 (0.82) 7.492 (0.84) s (rad/s)
Roll motion 0.00019 rad^2 0.01378 rad 0.02755 rad 7.976 (0.79) 6.178 (1.02) 5.930 (1.06) s (rad/s)
Pitch motion 0.00002 rad^2 0.00430 rad 0.00860 rad 8.134 (0.77) 7.042 (0.89) 6.809 (0.92) s (rad/s)
Heave velocity 0.042 m^2/s^2 0.205 m/s 0.409 m/s 8.101 (0.78) 6.945 (0.90) 6.715 (0.94) s (rad/s)
Roll velocity 0.00021 (rad/s)^2 0.01459 rad/s 0.02919 rad/s 7.831 (0.80) 5.172 (1.21) 4.891 (1.28) s (rad/s)
Pitch velocity 0.00002 (rad/s)^2 0.00397 rad/s 0.00793 rad/s 8.002 (0.79) 6.047 (1.04) 5.732 (1.10) s (rad/s)
Heave acceleration 0.037 m^2/s^4 0.191 m/s^2 0.383 m/s^2 7.966 (0.79) 5.943 (1.06) 5.591 (1.12) s (rad/s)
Roll acceleration 0.00035 (rad/s/s)^2 0.01875 rad/s/s 0.03749 rad/s/s 4.503 (1.40) 4.077 (1.54) 3.809 (1.65) s (rad/s)
Pitch acceleration 0.00002 (rad/s/s)^2 0.00435 rad/s/s 0.00869 rad/s/s 7.862 (0.80) 4.760 (1.32) 4.393 (1.43) s (rad/s)
passenger deck aft: Abs. vert. motion 0.074 m^2 0.273 m 0.545 m 8.207 (0.77) 7.604 (0.83) 7.431 (0.85) s (rad/s)
passenger deck aft: Rel. vert. motion 0.011 m^2 0.107 m 0.214 m 3.732 (1.68) 3.377 (1.86) 3.012 (2.09) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.053 m^2/s^2 0.230 m/s 0.461 m/s 8.089 (0.78) 6.862 (0.92) 6.619 (0.95) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.050 m^2/s^2 0.224 m/s 0.447 m/s 3.184 (1.97) 2.041 (3.08) 1.768 (3.55) s (rad/s)
passenger deck aft: Abs. vert. accel 0.048 m^2/s^4 0.219 m/s^2 0.437 m/s^2 7.953 (0.79) 5.799 (1.08) 5.426 (1.16) s (rad/s)
passenger deck aft: Rel. vert. accel 0.632 m^2/s^4 0.795 m/s^2 1.590 m/s^2 2.756 (2.28) 1.210 (5.19) 1.118 (5.62) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.012 m 0.024 m 8.124 (0.77) 7.039 (0.89) 6.806 (0.92) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.011 m/s 0.022 m/s 7.984 (0.79) 6.042 (1.04) 5.726 (1.10) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.012 m/s^2 0.024 m/s^2 7.835 (0.80) 4.753 (1.32) 4.386 (1.43) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.001 m^2 0.039 m 0.077 m 7.984 (0.79) 6.189 (1.02) 5.940 (1.06) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.002 m^2/s^2 0.041 m/s 0.081 m/s 7.843 (0.80) 5.179 (1.21) 4.897 (1.28) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.003 m^2/s^4 0.052 m/s^2 0.105 m/s^2 4.503 (1.40) 4.078 (1.54) 3.809 (1.65) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.709 SM 0.992 % 0.223 % -- -- --
passenger deck forward: Abs. vert. motion 0.036 m^2 0.191 m 0.381 m 8.236 (0.76) 7.789 (0.81) 7.631 (0.82) s (rad/s)
passenger deck forward: Rel. vert. motion 0.032 m^2 0.180 m 0.361 m 8.069 (0.78) 5.071 (1.24) 4.374 (1.44) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.025 m^2/s^2 0.157 m/s 0.314 m/s 8.134 (0.77) 7.122 (0.88) 6.917 (0.91) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.067 m^2/s^2 0.259 m/s 0.518 m/s 7.933 (0.79) 2.507 (2.51) 2.038 (3.08) s (rad/s)
passenger deck forward: Abs. vert. accel 0.020 m^2/s^4 0.142 m/s^2 0.285 m/s^2 8.002 (0.79) 6.255 (1.00) 5.978 (1.05) s (rad/s)
passenger deck forward: Rel. vert. accel 0.637 m^2/s^4 0.798 m/s^2 1.596 m/s^2 0.730 (8.61) 1.232 (5.10) 1.130 (5.56) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.012 m 0.024 m 8.124 (0.77) 7.039 (0.89) 6.806 (0.92) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.011 m/s 0.022 m/s 7.984 (0.79) 6.042 (1.04) 5.726 (1.10) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.012 m/s^2 0.024 m/s^2 7.835 (0.80) 4.753 (1.32) 4.386 (1.43) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.001 m^2 0.039 m 0.077 m 7.984 (0.79) 6.189 (1.02) 5.940 (1.06) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.002 m^2/s^2 0.041 m/s 0.081 m/s 7.843 (0.80) 5.179 (1.21) 4.897 (1.28) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.003 m^2/s^4 0.052 m/s^2 0.105 m/s^2 4.503 (1.40) 4.078 (1.54) 3.809 (1.65) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.380 SM 0.254 % 0.033 % -- -- --
Bridge deck: Abs. vert. motion 0.036 m^2 0.191 m 0.381 m 8.236 (0.76) 7.789 (0.81) 7.631 (0.82) s (rad/s)
Bridge deck: Rel. vert. motion 0.032 m^2 0.180 m 0.361 m 8.069 (0.78) 5.071 (1.24) 4.374 (1.44) s (rad/s)
Bridge deck: Abs. vert. velocity 0.025 m^2/s^2 0.157 m/s 0.314 m/s 8.134 (0.77) 7.122 (0.88) 6.917 (0.91) s (rad/s)
Bridge deck: Rel. vert. velocity 0.067 m^2/s^2 0.259 m/s 0.518 m/s 7.933 (0.79) 2.507 (2.51) 2.038 (3.08) s (rad/s)
Bridge deck: Abs. vert. accel 0.020 m^2/s^4 0.142 m/s^2 0.285 m/s^2 8.002 (0.79) 6.255 (1.00) 5.978 (1.05) s (rad/s)
Bridge deck: Rel. vert. accel 0.637 m^2/s^4 0.798 m/s^2 1.596 m/s^2 0.730 (8.61) 1.232 (5.10) 1.130 (5.56) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.022 m 0.043 m 8.124 (0.77) 7.039 (0.89) 6.806 (0.92) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.020 m/s 0.040 m/s 7.984 (0.79) 6.042 (1.04) 5.726 (1.10) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.022 m/s^2 0.044 m/s^2 7.835 (0.80) 4.753 (1.32) 4.386 (1.43) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.005 m^2 0.070 m 0.140 m 7.984 (0.79) 6.189 (1.02) 5.940 (1.06) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.006 m^2/s^2 0.074 m/s 0.149 m/s 7.843 (0.80) 5.179 (1.21) 4.897 (1.28) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.009 m^2/s^4 0.095 m/s^2 0.191 m/s^2 4.503 (1.40) 4.078 (1.54) 3.809 (1.65) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.380 SM 0.254 % 0.033 % -- -- --

Trial Speed, 18 kn; 4.336 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 2.000 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 4.336 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.251 m^2 0.501 m 1.001 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.251 m^2 0.501 m 1.001 m 8.199 (0.77) 6.454 (0.97) 5.735 (1.10) s (rad/s)
Added resistance 10.772 kN -- -- 8.124 (0.77) 6.331 (0.99) 5.739 (1.09) s (rad/s)
Heave motion 0.165 m^2 0.407 m 0.814 m 8.226 (0.76) 7.667 (0.82) 7.499 (0.84) s (rad/s)
Roll motion 0.00053 rad^2 0.02293 rad 0.04587 rad 7.984 (0.79) 6.181 (1.02) 5.933 (1.06) s (rad/s)
Pitch motion 0.00005 rad^2 0.00716 rad 0.01433 rad 8.144 (0.77) 7.048 (0.89) 6.815 (0.92) s (rad/s)
Heave velocity 0.116 m^2/s^2 0.341 m/s 0.681 m/s 8.112 (0.77) 6.951 (0.90) 6.720 (0.94) s (rad/s)
Roll velocity 0.00059 (rad/s)^2 0.02429 rad/s 0.04857 rad/s 7.841 (0.80) 5.173 (1.21) 4.892 (1.28) s (rad/s)
Pitch velocity 0.00004 (rad/s)^2 0.00660 rad/s 0.01321 rad/s 8.012 (0.78) 6.050 (1.04) 5.735 (1.10) s (rad/s)
Heave acceleration 0.101 m^2/s^4 0.319 m/s^2 0.637 m/s^2 7.977 (0.79) 5.946 (1.06) 5.594 (1.12) s (rad/s)
Roll acceleration 0.00097 (rad/s/s)^2 0.03119 rad/s/s 0.06238 rad/s/s 4.508 (1.39) 4.077 (1.54) 3.810 (1.65) s (rad/s)
Pitch acceleration 0.00005 (rad/s/s)^2 0.00723 rad/s/s 0.01447 rad/s/s 7.870 (0.80) 4.761 (1.32) 4.395 (1.43) s (rad/s)
passenger deck aft: Abs. vert. motion 0.207 m^2 0.454 m 0.909 m 8.218 (0.76) 7.612 (0.83) 7.438 (0.84) s (rad/s)
passenger deck aft: Rel. vert. motion 0.032 m^2 0.178 m 0.357 m 3.737 (1.68) 3.378 (1.86) 3.013 (2.09) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.147 m^2/s^2 0.384 m/s 0.768 m/s 8.100 (0.78) 6.868 (0.91) 6.623 (0.95) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.138 m^2/s^2 0.372 m/s 0.744 m/s 3.161 (1.99) 2.042 (3.08) 1.769 (3.55) s (rad/s)
passenger deck aft: Abs. vert. accel 0.133 m^2/s^4 0.364 m/s^2 0.728 m/s^2 7.963 (0.79) 5.802 (1.08) 5.428 (1.16) s (rad/s)
passenger deck aft: Rel. vert. accel 1.745 m^2/s^4 1.321 m/s^2 2.642 m/s^2 2.760 (2.28) 1.211 (5.19) 1.120 (5.61) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.020 m 0.040 m 8.134 (0.77) 7.045 (0.89) 6.811 (0.92) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.018 m/s 0.037 m/s 7.994 (0.79) 6.046 (1.04) 5.729 (1.10) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.020 m/s^2 0.040 m/s^2 7.845 (0.80) 4.754 (1.32) 4.387 (1.43) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.004 m^2 0.064 m 0.128 m 7.992 (0.79) 6.192 (1.01) 5.943 (1.06) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.005 m^2/s^2 0.068 m/s 0.136 m/s 7.853 (0.80) 5.181 (1.21) 4.898 (1.28) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.008 m^2/s^4 0.087 m/s^2 0.174 m/s^2 4.508 (1.39) 4.079 (1.54) 3.810 (1.65) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 1.470 SM 3.786 % 1.420 % -- -- --
passenger deck forward: Abs. vert. motion 0.101 m^2 0.318 m 0.636 m 8.247 (0.76) 7.797 (0.81) 7.638 (0.82) s (rad/s)
passenger deck forward: Rel. vert. motion 0.090 m^2 0.300 m 0.600 m 8.080 (0.78) 5.076 (1.24) 4.378 (1.44) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.068 m^2/s^2 0.261 m/s 0.523 m/s 8.144 (0.77) 7.128 (0.88) 6.923 (0.91) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.185 m^2/s^2 0.431 m/s 0.861 m/s 7.943 (0.79) 2.510 (2.50) 2.040 (3.08) s (rad/s)
passenger deck forward: Abs. vert. accel 0.056 m^2/s^4 0.237 m/s^2 0.474 m/s^2 8.012 (0.78) 6.259 (1.00) 5.981 (1.05) s (rad/s)
passenger deck forward: Rel. vert. accel 1.759 m^2/s^4 1.326 m/s^2 2.652 m/s^2 0.728 (8.63) 1.233 (5.09) 1.132 (5.55) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.020 m 0.040 m 8.134 (0.77) 7.045 (0.89) 6.811 (0.92) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.018 m/s 0.037 m/s 7.994 (0.79) 6.046 (1.04) 5.729 (1.10) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.020 m/s^2 0.040 m/s^2 7.845 (0.80) 4.754 (1.32) 4.387 (1.43) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.004 m^2 0.064 m 0.128 m 7.992 (0.79) 6.192 (1.01) 5.943 (1.06) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.005 m^2/s^2 0.068 m/s 0.136 m/s 7.853 (0.80) 5.181 (1.21) 4.898 (1.28) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.008 m^2/s^4 0.087 m/s^2 0.174 m/s^2 4.508 (1.39) 4.079 (1.54) 3.810 (1.65) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.787 SM 1.227 % 0.299 % -- -- --
Bridge deck: Abs. vert. motion 0.101 m^2 0.318 m 0.636 m 8.247 (0.76) 7.797 (0.81) 7.638 (0.82) s (rad/s)
Bridge deck: Rel. vert. motion 0.090 m^2 0.300 m 0.600 m 8.080 (0.78) 5.076 (1.24) 4.378 (1.44) s (rad/s)
Bridge deck: Abs. vert. velocity 0.068 m^2/s^2 0.261 m/s 0.523 m/s 8.144 (0.77) 7.128 (0.88) 6.923 (0.91) s (rad/s)
Bridge deck: Rel. vert. velocity 0.185 m^2/s^2 0.431 m/s 0.861 m/s 7.943 (0.79) 2.510 (2.50) 2.040 (3.08) s (rad/s)
Bridge deck: Abs. vert. accel 0.056 m^2/s^4 0.237 m/s^2 0.474 m/s^2 8.012 (0.78) 6.259 (1.00) 5.981 (1.05) s (rad/s)
Bridge deck: Rel. vert. accel 1.759 m^2/s^4 1.326 m/s^2 2.652 m/s^2 0.728 (8.63) 1.233 (5.09) 1.132 (5.55) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.001 m^2 0.036 m 0.072 m 8.134 (0.77) 7.045 (0.89) 6.811 (0.92) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.001 m^2/s^2 0.033 m/s 0.067 m/s 7.994 (0.79) 6.046 (1.04) 5.729 (1.10) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.001 m^2/s^4 0.037 m/s^2 0.073 m/s^2 7.845 (0.80) 4.754 (1.32) 4.387 (1.43) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.014 m^2 0.117 m 0.234 m 7.992 (0.79) 6.192 (1.01) 5.943 (1.06) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.015 m^2/s^2 0.124 m/s 0.247 m/s 7.853 (0.80) 5.181 (1.21) 4.898 (1.28) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.025 m^2/s^4 0.158 m/s^2 0.317 m/s^2 4.508 (1.39) 4.079 (1.54) 3.810 (1.65) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.787 SM 1.227 % 0.299 % -- -- --

Trial Speed, 18 kn; 4.602 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.956 s -- -- -- -- --
Characteristic wave height 0.300 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 4.602 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.006 m^2 0.075 m 0.150 m 9.960 (0.63) 8.340 (0.75) 7.849 (0.80) s (rad/s)
Encountered wave spectrum 0.006 m^2 0.075 m 0.150 m 9.347 (0.67) 7.659 (0.82) 7.076 (0.89) s (rad/s)
Added resistance 0.249 kN -- -- 9.264 (0.68) 7.122 (0.88) 6.443 (0.98) s (rad/s)
Heave motion 0.004 m^2 0.059 m 0.119 m 9.375 (0.67) 8.874 (0.71) 8.724 (0.72) s (rad/s)
Roll motion 0.00001 rad^2 0.00350 rad 0.00700 rad 9.153 (0.69) 7.235 (0.87) 6.925 (0.91) s (rad/s)
Pitch motion 0.00000 rad^2 0.00125 rad 0.00249 rad 9.333 (0.67) 8.540 (0.74) 8.365 (0.75) s (rad/s)
Heave velocity 0.002 m^2/s^2 0.043 m/s 0.086 m/s 9.268 (0.68) 8.228 (0.76) 8.010 (0.78) s (rad/s)
Roll velocity 0.00001 (rad/s)^2 0.00317 rad/s 0.00635 rad/s 9.023 (0.70) 5.925 (1.06) 5.541 (1.13) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00094 rad/s 0.00187 rad/s 9.212 (0.68) 7.765 (0.81) 7.479 (0.84) s (rad/s)
Heave acceleration 0.001 m^2/s^4 0.034 m/s^2 0.067 m/s^2 9.165 (0.69) 7.234 (0.87) 6.832 (0.92) s (rad/s)
Roll acceleration 0.00001 (rad/s/s)^2 0.00360 rad/s/s 0.00720 rad/s/s 5.774 (1.09) 4.497 (1.40) 4.210 (1.49) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00079 rad/s/s 0.00157 rad/s/s 9.061 (0.69) 6.445 (0.97) 5.930 (1.06) s (rad/s)
passenger deck aft: Abs. vert. motion 0.005 m^2 0.067 m 0.135 m 9.364 (0.67) 8.820 (0.71) 8.667 (0.72) s (rad/s)
passenger deck aft: Rel. vert. motion 0.001 m^2 0.026 m 0.053 m 4.506 (1.39) 4.320 (1.45) 3.994 (1.57) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.002 m^2/s^2 0.049 m/s 0.098 m/s 9.251 (0.68) 8.156 (0.77) 7.929 (0.79) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.002 m^2/s^2 0.042 m/s 0.083 m/s 4.091 (1.54) 3.088 (2.03) 2.799 (2.24) s (rad/s)
passenger deck aft: Abs. vert. accel 0.001 m^2/s^4 0.039 m/s^2 0.077 m/s^2 9.155 (0.69) 7.113 (0.88) 6.688 (0.94) s (rad/s)
passenger deck aft: Rel. vert. accel 0.009 m^2/s^4 0.093 m/s^2 0.186 m/s^2 3.740 (1.68) 2.104 (2.99) 1.951 (3.22) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.003 m 0.007 m 9.283 (0.68) 8.539 (0.74) 8.364 (0.75) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.005 m/s 9.180 (0.68) 7.762 (0.81) 7.473 (0.84) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.002 m/s^2 0.004 m/s^2 9.115 (0.69) 6.428 (0.98) 5.908 (1.06) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.010 m 0.020 m 9.145 (0.69) 7.253 (0.87) 6.941 (0.91) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.009 m/s 0.018 m/s 9.017 (0.70) 5.933 (1.06) 5.547 (1.13) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.010 m/s^2 0.020 m/s^2 5.666 (1.11) 4.495 (1.40) 4.207 (1.49) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.056 SM 0.001 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.002 m^2 0.045 m 0.090 m 9.405 (0.67) 9.038 (0.70) 8.897 (0.71) s (rad/s)
passenger deck forward: Rel. vert. motion 0.002 m^2 0.043 m 0.086 m 9.231 (0.68) 6.163 (1.02) 5.531 (1.14) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.001 m^2/s^2 0.032 m/s 0.064 m/s 9.314 (0.67) 8.444 (0.74) 8.254 (0.76) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.002 m^2/s^2 0.049 m/s 0.098 m/s 9.115 (0.69) 3.762 (1.67) 3.244 (1.94) s (rad/s)
passenger deck forward: Abs. vert. accel 0.001 m^2/s^4 0.024 m/s^2 0.049 m/s^2 9.192 (0.68) 7.600 (0.83) 7.278 (0.86) s (rad/s)
passenger deck forward: Rel. vert. accel 0.009 m^2/s^4 0.095 m/s^2 0.190 m/s^2 3.740 (1.68) 2.175 (2.89) 1.990 (3.16) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.003 m 0.007 m 9.283 (0.68) 8.539 (0.74) 8.364 (0.75) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.005 m/s 9.180 (0.68) 7.762 (0.81) 7.473 (0.84) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.002 m/s^2 0.004 m/s^2 9.115 (0.69) 6.428 (0.98) 5.908 (1.06) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.010 m 0.020 m 9.145 (0.69) 7.253 (0.87) 6.941 (0.91) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.009 m/s 0.018 m/s 9.017 (0.70) 5.933 (1.06) 5.547 (1.13) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.010 m/s^2 0.020 m/s^2 5.666 (1.11) 4.495 (1.40) 4.207 (1.49) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.028 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.002 m^2 0.045 m 0.090 m 9.405 (0.67) 9.038 (0.70) 8.897 (0.71) s (rad/s)
Bridge deck: Rel. vert. motion 0.002 m^2 0.043 m 0.086 m 9.231 (0.68) 6.163 (1.02) 5.531 (1.14) s (rad/s)
Bridge deck: Abs. vert. velocity 0.001 m^2/s^2 0.032 m/s 0.064 m/s 9.314 (0.67) 8.444 (0.74) 8.254 (0.76) s (rad/s)
Bridge deck: Rel. vert. velocity 0.002 m^2/s^2 0.049 m/s 0.098 m/s 9.115 (0.69) 3.762 (1.67) 3.244 (1.94) s (rad/s)
Bridge deck: Abs. vert. accel 0.001 m^2/s^4 0.024 m/s^2 0.049 m/s^2 9.192 (0.68) 7.600 (0.83) 7.278 (0.86) s (rad/s)
Bridge deck: Rel. vert. accel 0.009 m^2/s^4 0.095 m/s^2 0.190 m/s^2 3.740 (1.68) 2.175 (2.89) 1.990 (3.16) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.006 m 0.013 m 9.283 (0.68) 8.539 (0.74) 8.364 (0.75) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.009 m/s 9.180 (0.68) 7.762 (0.81) 7.473 (0.84) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.004 m/s^2 0.008 m/s^2 9.115 (0.69) 6.428 (0.98) 5.908 (1.06) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.018 m 0.036 m 9.145 (0.69) 7.253 (0.87) 6.941 (0.91) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.016 m/s 0.032 m/s 9.017 (0.70) 5.933 (1.06) 5.547 (1.13) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.018 m/s^2 0.037 m/s^2 5.666 (1.11) 4.495 (1.40) 4.207 (1.49) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.028 SM 0.000 % 0.000 % -- -- --

Trial Speed, 18 kn; 4.602 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 4.602 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 9.367 (0.67) 7.675 (0.82) 7.091 (0.89) s (rad/s)
Added resistance 0.994 kN -- -- 9.283 (0.68) 7.135 (0.88) 6.454 (0.97) s (rad/s)
Heave motion 0.014 m^2 0.119 m 0.238 m 9.393 (0.67) 8.889 (0.71) 8.738 (0.72) s (rad/s)
Roll motion 0.00005 rad^2 0.00698 rad 0.01397 rad 9.171 (0.69) 7.242 (0.87) 6.931 (0.91) s (rad/s)
Pitch motion 0.00001 rad^2 0.00249 rad 0.00499 rad 9.350 (0.67) 8.553 (0.73) 8.377 (0.75) s (rad/s)
Heave velocity 0.007 m^2/s^2 0.086 m/s 0.171 m/s 9.286 (0.68) 8.239 (0.76) 8.021 (0.78) s (rad/s)
Roll velocity 0.00004 (rad/s)^2 0.00633 rad/s 0.01266 rad/s 9.040 (0.70) 5.928 (1.06) 5.544 (1.13) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00187 rad/s 0.00374 rad/s 9.230 (0.68) 7.775 (0.81) 7.488 (0.84) s (rad/s)
Heave acceleration 0.004 m^2/s^4 0.067 m/s^2 0.134 m/s^2 9.179 (0.68) 7.242 (0.87) 6.839 (0.92) s (rad/s)
Roll acceleration 0.00005 (rad/s/s)^2 0.00717 rad/s/s 0.01435 rad/s/s 5.787 (1.09) 4.499 (1.40) 4.211 (1.49) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00157 rad/s/s 0.00314 rad/s/s 9.078 (0.69) 6.450 (0.97) 5.935 (1.06) s (rad/s)
passenger deck aft: Abs. vert. motion 0.018 m^2 0.135 m 0.270 m 9.382 (0.67) 8.835 (0.71) 8.681 (0.72) s (rad/s)
passenger deck aft: Rel. vert. motion 0.003 m^2 0.053 m 0.105 m 4.516 (1.39) 4.322 (1.45) 3.996 (1.57) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.010 m^2/s^2 0.098 m/s 0.195 m/s 9.269 (0.68) 8.168 (0.77) 7.940 (0.79) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.007 m^2/s^2 0.083 m/s 0.165 m/s 4.071 (1.54) 3.090 (2.03) 2.802 (2.24) s (rad/s)
passenger deck aft: Abs. vert. accel 0.006 m^2/s^4 0.077 m/s^2 0.154 m/s^2 9.175 (0.68) 7.121 (0.88) 6.694 (0.94) s (rad/s)
passenger deck aft: Rel. vert. accel 0.034 m^2/s^4 0.185 m/s^2 0.371 m/s^2 3.723 (1.69) 2.108 (2.98) 1.955 (3.21) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.007 m 0.014 m 9.302 (0.68) 8.552 (0.73) 8.376 (0.75) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.010 m/s 9.181 (0.68) 7.772 (0.81) 7.482 (0.84) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.004 m/s^2 0.009 m/s^2 9.134 (0.69) 6.433 (0.98) 5.913 (1.06) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.020 m 0.039 m 9.164 (0.69) 7.260 (0.87) 6.947 (0.90) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.018 m/s 0.035 m/s 9.034 (0.70) 5.937 (1.06) 5.549 (1.13) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.020 m/s^2 0.040 m/s^2 5.679 (1.11) 4.496 (1.40) 4.208 (1.49) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.150 SM 0.022 % 0.001 % -- -- --
passenger deck forward: Abs. vert. motion 0.008 m^2 0.090 m 0.181 m 9.425 (0.67) 9.053 (0.69) 8.912 (0.70) s (rad/s)
passenger deck forward: Rel. vert. motion 0.007 m^2 0.086 m 0.172 m 9.248 (0.68) 6.173 (1.02) 5.540 (1.13) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.004 m^2/s^2 0.064 m/s 0.128 m/s 9.334 (0.67) 8.456 (0.74) 8.266 (0.76) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.010 m^2/s^2 0.098 m/s 0.195 m/s 9.134 (0.69) 3.767 (1.67) 3.250 (1.93) s (rad/s)
passenger deck forward: Abs. vert. accel 0.002 m^2/s^4 0.048 m/s^2 0.097 m/s^2 9.211 (0.68) 7.609 (0.83) 7.286 (0.86) s (rad/s)
passenger deck forward: Rel. vert. accel 0.036 m^2/s^4 0.189 m/s^2 0.378 m/s^2 3.748 (1.68) 2.180 (2.88) 1.995 (3.15) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.007 m 0.014 m 9.302 (0.68) 8.552 (0.73) 8.376 (0.75) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.010 m/s 9.181 (0.68) 7.772 (0.81) 7.482 (0.84) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.004 m/s^2 0.009 m/s^2 9.134 (0.69) 6.433 (0.98) 5.913 (1.06) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.020 m 0.039 m 9.164 (0.69) 7.260 (0.87) 6.947 (0.90) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.018 m/s 0.035 m/s 9.034 (0.70) 5.937 (1.06) 5.549 (1.13) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.020 m/s^2 0.040 m/s^2 5.679 (1.11) 4.496 (1.40) 4.208 (1.49) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.075 SM 0.003 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.008 m^2 0.090 m 0.181 m 9.425 (0.67) 9.053 (0.69) 8.912 (0.70) s (rad/s)
Bridge deck: Rel. vert. motion 0.007 m^2 0.086 m 0.172 m 9.248 (0.68) 6.173 (1.02) 5.540 (1.13) s (rad/s)
Bridge deck: Abs. vert. velocity 0.004 m^2/s^2 0.064 m/s 0.128 m/s 9.334 (0.67) 8.456 (0.74) 8.266 (0.76) s (rad/s)
Bridge deck: Rel. vert. velocity 0.010 m^2/s^2 0.098 m/s 0.195 m/s 9.134 (0.69) 3.767 (1.67) 3.250 (1.93) s (rad/s)
Bridge deck: Abs. vert. accel 0.002 m^2/s^4 0.048 m/s^2 0.097 m/s^2 9.211 (0.68) 7.609 (0.83) 7.286 (0.86) s (rad/s)
Bridge deck: Rel. vert. accel 0.036 m^2/s^4 0.189 m/s^2 0.378 m/s^2 3.748 (1.68) 2.180 (2.88) 1.995 (3.15) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.013 m 0.025 m 9.302 (0.68) 8.552 (0.73) 8.376 (0.75) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.009 m/s 0.019 m/s 9.181 (0.68) 7.772 (0.81) 7.482 (0.84) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.008 m/s^2 0.016 m/s^2 9.134 (0.69) 6.433 (0.98) 5.913 (1.06) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.001 m^2 0.036 m 0.071 m 9.164 (0.69) 7.260 (0.87) 6.947 (0.90) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.001 m^2/s^2 0.032 m/s 0.064 m/s 9.034 (0.70) 5.937 (1.06) 5.549 (1.13) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.001 m^2/s^4 0.036 m/s^2 0.073 m/s^2 5.679 (1.11) 4.496 (1.40) 4.208 (1.49) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.075 SM 0.003 % 0.000 % -- -- --

Trial Speed, 18 kn; 4.602 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.965 s -- -- -- -- --
Characteristic wave height 1.200 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 4.602 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.090 m^2 0.300 m 0.601 m 9.969 (0.63) 8.348 (0.75) 7.856 (0.80) s (rad/s)
Encountered wave spectrum 0.090 m^2 0.300 m 0.601 m 9.356 (0.67) 7.666 (0.82) 7.083 (0.89) s (rad/s)
Added resistance 3.982 kN -- -- 9.273 (0.68) 7.128 (0.88) 6.448 (0.97) s (rad/s)
Heave motion 0.057 m^2 0.238 m 0.476 m 9.384 (0.67) 8.881 (0.71) 8.730 (0.72) s (rad/s)
Roll motion 0.00020 rad^2 0.01398 rad 0.02797 rad 9.162 (0.69) 7.239 (0.87) 6.928 (0.91) s (rad/s)
Pitch motion 0.00002 rad^2 0.00499 rad 0.00998 rad 9.342 (0.67) 8.546 (0.74) 8.371 (0.75) s (rad/s)
Heave velocity 0.029 m^2/s^2 0.171 m/s 0.342 m/s 9.277 (0.68) 8.233 (0.76) 8.015 (0.78) s (rad/s)
Roll velocity 0.00016 (rad/s)^2 0.01268 rad/s 0.02536 rad/s 9.032 (0.70) 5.926 (1.06) 5.543 (1.13) s (rad/s)
Pitch velocity 0.00001 (rad/s)^2 0.00374 rad/s 0.00749 rad/s 9.221 (0.68) 7.770 (0.81) 7.483 (0.84) s (rad/s)
Heave acceleration 0.018 m^2/s^4 0.134 m/s^2 0.268 m/s^2 9.174 (0.68) 7.238 (0.87) 6.835 (0.92) s (rad/s)
Roll acceleration 0.00021 (rad/s/s)^2 0.01437 rad/s/s 0.02875 rad/s/s 5.780 (1.09) 4.498 (1.40) 4.210 (1.49) s (rad/s)
Pitch acceleration 0.00001 (rad/s/s)^2 0.00314 rad/s/s 0.00629 rad/s/s 9.070 (0.69) 6.447 (0.97) 5.932 (1.06) s (rad/s)
passenger deck aft: Abs. vert. motion 0.073 m^2 0.269 m 0.539 m 9.373 (0.67) 8.827 (0.71) 8.673 (0.72) s (rad/s)
passenger deck aft: Rel. vert. motion 0.011 m^2 0.105 m 0.211 m 4.511 (1.39) 4.321 (1.45) 3.995 (1.57) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.038 m^2/s^2 0.195 m/s 0.390 m/s 9.260 (0.68) 8.162 (0.77) 7.934 (0.79) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.027 m^2/s^2 0.166 m/s 0.331 m/s 4.095 (1.53) 3.089 (2.03) 2.801 (2.24) s (rad/s)
passenger deck aft: Abs. vert. accel 0.024 m^2/s^4 0.155 m/s^2 0.309 m/s^2 9.164 (0.69) 7.117 (0.88) 6.691 (0.94) s (rad/s)
passenger deck aft: Rel. vert. accel 0.138 m^2/s^4 0.372 m/s^2 0.744 m/s^2 3.719 (1.69) 2.106 (2.98) 1.953 (3.22) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.014 m 0.027 m 9.291 (0.68) 8.545 (0.74) 8.370 (0.75) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.010 m/s 0.021 m/s 9.180 (0.68) 7.767 (0.81) 7.477 (0.84) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.009 m/s^2 0.017 m/s^2 9.124 (0.69) 6.430 (0.98) 5.910 (1.06) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.002 m^2 0.039 m 0.078 m 9.154 (0.69) 7.256 (0.87) 6.944 (0.90) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.001 m^2/s^2 0.035 m/s 0.071 m/s 9.024 (0.70) 5.935 (1.06) 5.548 (1.13) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.002 m^2/s^4 0.040 m/s^2 0.080 m/s^2 5.672 (1.11) 4.495 (1.40) 4.207 (1.49) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.404 SM 0.286 % 0.037 % -- -- --
passenger deck forward: Abs. vert. motion 0.033 m^2 0.181 m 0.362 m 9.414 (0.67) 9.045 (0.69) 8.904 (0.71) s (rad/s)
passenger deck forward: Rel. vert. motion 0.030 m^2 0.172 m 0.345 m 9.238 (0.68) 6.167 (1.02) 5.535 (1.14) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.016 m^2/s^2 0.128 m/s 0.255 m/s 9.323 (0.67) 8.449 (0.74) 8.260 (0.76) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.038 m^2/s^2 0.196 m/s 0.391 m/s 9.124 (0.69) 3.764 (1.67) 3.247 (1.94) s (rad/s)
passenger deck forward: Abs. vert. accel 0.009 m^2/s^4 0.097 m/s^2 0.194 m/s^2 9.201 (0.68) 7.604 (0.83) 7.282 (0.86) s (rad/s)
passenger deck forward: Rel. vert. accel 0.143 m^2/s^4 0.379 m/s^2 0.757 m/s^2 3.744 (1.68) 2.177 (2.89) 1.992 (3.15) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.014 m 0.027 m 9.291 (0.68) 8.545 (0.74) 8.370 (0.75) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.010 m/s 0.021 m/s 9.180 (0.68) 7.767 (0.81) 7.477 (0.84) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.009 m/s^2 0.017 m/s^2 9.124 (0.69) 6.430 (0.98) 5.910 (1.06) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.002 m^2 0.039 m 0.078 m 9.154 (0.69) 7.256 (0.87) 6.944 (0.90) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.001 m^2/s^2 0.035 m/s 0.071 m/s 9.024 (0.70) 5.935 (1.06) 5.548 (1.13) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.002 m^2/s^4 0.040 m/s^2 0.080 m/s^2 5.672 (1.11) 4.495 (1.40) 4.207 (1.49) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.203 SM 0.050 % 0.003 % -- -- --
Bridge deck: Abs. vert. motion 0.033 m^2 0.181 m 0.362 m 9.414 (0.67) 9.045 (0.69) 8.904 (0.71) s (rad/s)
Bridge deck: Rel. vert. motion 0.030 m^2 0.172 m 0.345 m 9.238 (0.68) 6.167 (1.02) 5.535 (1.14) s (rad/s)
Bridge deck: Abs. vert. velocity 0.016 m^2/s^2 0.128 m/s 0.255 m/s 9.323 (0.67) 8.449 (0.74) 8.260 (0.76) s (rad/s)
Bridge deck: Rel. vert. velocity 0.038 m^2/s^2 0.196 m/s 0.391 m/s 9.124 (0.69) 3.764 (1.67) 3.247 (1.94) s (rad/s)
Bridge deck: Abs. vert. accel 0.009 m^2/s^4 0.097 m/s^2 0.194 m/s^2 9.201 (0.68) 7.604 (0.83) 7.282 (0.86) s (rad/s)
Bridge deck: Rel. vert. accel 0.143 m^2/s^4 0.379 m/s^2 0.757 m/s^2 3.744 (1.68) 2.177 (2.89) 1.992 (3.15) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.001 m^2 0.025 m 0.050 m 9.291 (0.68) 8.545 (0.74) 8.370 (0.75) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.019 m/s 0.038 m/s 9.180 (0.68) 7.767 (0.81) 7.477 (0.84) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.016 m/s^2 0.032 m/s^2 9.124 (0.69) 6.430 (0.98) 5.910 (1.06) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.005 m^2 0.071 m 0.142 m 9.154 (0.69) 7.256 (0.87) 6.944 (0.90) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.004 m^2/s^2 0.064 m/s 0.129 m/s 9.024 (0.70) 5.935 (1.06) 5.548 (1.13) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.005 m^2/s^4 0.073 m/s^2 0.146 m/s^2 5.672 (1.11) 4.495 (1.40) 4.207 (1.49) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.203 SM 0.050 % 0.003 % -- -- --

Trial Speed, 18 kn; 4.602 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 2.000 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 4.602 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.251 m^2 0.501 m 1.001 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.251 m^2 0.501 m 1.001 m 9.367 (0.67) 7.675 (0.82) 7.091 (0.89) s (rad/s)
Added resistance 11.049 kN -- -- 9.283 (0.68) 7.135 (0.88) 6.454 (0.97) s (rad/s)
Heave motion 0.157 m^2 0.397 m 0.793 m 9.393 (0.67) 8.889 (0.71) 8.738 (0.72) s (rad/s)
Roll motion 0.00054 rad^2 0.02328 rad 0.04657 rad 9.171 (0.69) 7.242 (0.87) 6.931 (0.91) s (rad/s)
Pitch motion 0.00007 rad^2 0.00831 rad 0.01663 rad 9.350 (0.67) 8.553 (0.73) 8.377 (0.75) s (rad/s)
Heave velocity 0.081 m^2/s^2 0.285 m/s 0.570 m/s 9.286 (0.68) 8.239 (0.76) 8.021 (0.78) s (rad/s)
Roll velocity 0.00045 (rad/s)^2 0.02110 rad/s 0.04221 rad/s 9.040 (0.70) 5.928 (1.06) 5.544 (1.13) s (rad/s)
Pitch velocity 0.00004 (rad/s)^2 0.00623 rad/s 0.01247 rad/s 9.230 (0.68) 7.775 (0.81) 7.488 (0.84) s (rad/s)
Heave acceleration 0.050 m^2/s^4 0.223 m/s^2 0.447 m/s^2 9.179 (0.68) 7.242 (0.87) 6.839 (0.92) s (rad/s)
Roll acceleration 0.00057 (rad/s/s)^2 0.02391 rad/s/s 0.04783 rad/s/s 5.787 (1.09) 4.499 (1.40) 4.211 (1.49) s (rad/s)
Pitch acceleration 0.00003 (rad/s/s)^2 0.00523 rad/s/s 0.01046 rad/s/s 9.078 (0.69) 6.450 (0.97) 5.935 (1.06) s (rad/s)
passenger deck aft: Abs. vert. motion 0.202 m^2 0.449 m 0.899 m 9.382 (0.67) 8.835 (0.71) 8.681 (0.72) s (rad/s)
passenger deck aft: Rel. vert. motion 0.031 m^2 0.175 m 0.351 m 4.516 (1.39) 4.322 (1.45) 3.996 (1.57) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.106 m^2/s^2 0.325 m/s 0.650 m/s 9.269 (0.68) 8.168 (0.77) 7.940 (0.79) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.076 m^2/s^2 0.276 m/s 0.551 m/s 4.071 (1.54) 3.090 (2.03) 2.802 (2.24) s (rad/s)
passenger deck aft: Abs. vert. accel 0.066 m^2/s^4 0.257 m/s^2 0.514 m/s^2 9.175 (0.68) 7.121 (0.88) 6.694 (0.94) s (rad/s)
passenger deck aft: Rel. vert. accel 0.382 m^2/s^4 0.618 m/s^2 1.236 m/s^2 3.723 (1.69) 2.108 (2.98) 1.955 (3.21) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.001 m^2 0.023 m 0.046 m 9.302 (0.68) 8.552 (0.73) 8.376 (0.75) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.017 m/s 0.034 m/s 9.181 (0.68) 7.772 (0.81) 7.482 (0.84) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.014 m/s^2 0.029 m/s^2 9.134 (0.69) 6.433 (0.98) 5.913 (1.06) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.004 m^2 0.065 m 0.130 m 9.164 (0.69) 7.260 (0.87) 6.947 (0.90) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.003 m^2/s^2 0.059 m/s 0.118 m/s 9.034 (0.70) 5.937 (1.06) 5.549 (1.13) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.004 m^2/s^4 0.067 m/s^2 0.133 m/s^2 5.679 (1.11) 4.496 (1.40) 4.208 (1.49) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.837 SM 1.355 % 0.333 % -- -- --
passenger deck forward: Abs. vert. motion 0.091 m^2 0.302 m 0.603 m 9.425 (0.67) 9.053 (0.69) 8.912 (0.70) s (rad/s)
passenger deck forward: Rel. vert. motion 0.082 m^2 0.287 m 0.574 m 9.248 (0.68) 6.173 (1.02) 5.540 (1.13) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.045 m^2/s^2 0.213 m/s 0.425 m/s 9.334 (0.67) 8.456 (0.74) 8.266 (0.76) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.106 m^2/s^2 0.325 m/s 0.651 m/s 9.134 (0.69) 3.767 (1.67) 3.250 (1.93) s (rad/s)
passenger deck forward: Abs. vert. accel 0.026 m^2/s^4 0.162 m/s^2 0.323 m/s^2 9.211 (0.68) 7.609 (0.83) 7.286 (0.86) s (rad/s)
passenger deck forward: Rel. vert. accel 0.396 m^2/s^4 0.629 m/s^2 1.259 m/s^2 3.748 (1.68) 2.180 (2.88) 1.995 (3.15) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.001 m^2 0.023 m 0.046 m 9.302 (0.68) 8.552 (0.73) 8.376 (0.75) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.017 m/s 0.034 m/s 9.181 (0.68) 7.772 (0.81) 7.482 (0.84) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.014 m/s^2 0.029 m/s^2 9.134 (0.69) 6.433 (0.98) 5.913 (1.06) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.004 m^2 0.065 m 0.130 m 9.164 (0.69) 7.260 (0.87) 6.947 (0.90) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.003 m^2/s^2 0.059 m/s 0.118 m/s 9.034 (0.70) 5.937 (1.06) 5.549 (1.13) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.004 m^2/s^4 0.067 m/s^2 0.133 m/s^2 5.679 (1.11) 4.496 (1.40) 4.208 (1.49) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.421 SM 0.309 % 0.041 % -- -- --
Bridge deck: Abs. vert. motion 0.091 m^2 0.302 m 0.603 m 9.425 (0.67) 9.053 (0.69) 8.912 (0.70) s (rad/s)
Bridge deck: Rel. vert. motion 0.082 m^2 0.287 m 0.574 m 9.248 (0.68) 6.173 (1.02) 5.540 (1.13) s (rad/s)
Bridge deck: Abs. vert. velocity 0.045 m^2/s^2 0.213 m/s 0.425 m/s 9.334 (0.67) 8.456 (0.74) 8.266 (0.76) s (rad/s)
Bridge deck: Rel. vert. velocity 0.106 m^2/s^2 0.325 m/s 0.651 m/s 9.134 (0.69) 3.767 (1.67) 3.250 (1.93) s (rad/s)
Bridge deck: Abs. vert. accel 0.026 m^2/s^4 0.162 m/s^2 0.323 m/s^2 9.211 (0.68) 7.609 (0.83) 7.286 (0.86) s (rad/s)
Bridge deck: Rel. vert. accel 0.396 m^2/s^4 0.629 m/s^2 1.259 m/s^2 3.748 (1.68) 2.180 (2.88) 1.995 (3.15) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.002 m^2 0.042 m 0.083 m 9.302 (0.68) 8.552 (0.73) 8.376 (0.75) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.001 m^2/s^2 0.031 m/s 0.063 m/s 9.181 (0.68) 7.772 (0.81) 7.482 (0.84) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.001 m^2/s^4 0.026 m/s^2 0.053 m/s^2 9.134 (0.69) 6.433 (0.98) 5.913 (1.06) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.014 m^2 0.119 m 0.237 m 9.164 (0.69) 7.260 (0.87) 6.947 (0.90) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.011 m^2/s^2 0.107 m/s 0.214 m/s 9.034 (0.70) 5.937 (1.06) 5.549 (1.13) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.015 m^2/s^4 0.121 m/s^2 0.243 m/s^2 5.679 (1.11) 4.496 (1.40) 4.208 (1.49) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.421 SM 0.309 % 0.041 % -- -- --

Trial Speed, 18 kn; 4.867 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.956 s -- -- -- -- --
Characteristic wave height 0.300 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 4.867 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.006 m^2 0.075 m 0.150 m 9.960 (0.63) 8.340 (0.75) 7.849 (0.80) s (rad/s)
Encountered wave spectrum 0.006 m^2 0.075 m 0.150 m 10.953 (0.57) 9.517 (0.66) 9.190 (0.68) s (rad/s)
Added resistance 0.275 kN -- -- 3.661 (1.72) 8.565 (0.73) 8.074 (0.78) s (rad/s)
Heave motion 0.004 m^2 0.060 m 0.121 m 10.987 (0.57) 10.534 (0.60) 10.415 (0.60) s (rad/s)
Roll motion 0.00001 rad^2 0.00330 rad 0.00661 rad 10.747 (0.58) 9.063 (0.69) 8.829 (0.71) s (rad/s)
Pitch motion 0.00000 rad^2 0.00097 rad 0.00194 rad 10.941 (0.57) 10.223 (0.61) 10.069 (0.62) s (rad/s)
Heave velocity 0.001 m^2/s^2 0.036 m/s 0.073 m/s 10.893 (0.58) 10.037 (0.63) 9.887 (0.64) s (rad/s)
Roll velocity 0.00001 (rad/s)^2 0.00235 rad/s 0.00470 rad/s 3.661 (1.72) 8.064 (0.78) 7.757 (0.81) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00061 rad/s 0.00121 rad/s 10.840 (0.58) 9.544 (0.66) 9.305 (0.68) s (rad/s)
Heave acceleration 0.001 m^2/s^4 0.023 m/s^2 0.046 m/s^2 10.789 (0.58) 9.389 (0.67) 9.174 (0.68) s (rad/s)
Roll acceleration 0.00000 (rad/s/s)^2 0.00190 rad/s/s 0.00381 rad/s/s 3.661 (1.72) 6.831 (0.92) 6.523 (0.96) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00041 rad/s/s 0.00082 rad/s/s 3.661 (1.72) 8.478 (0.74) 8.113 (0.77) s (rad/s)
passenger deck aft: Abs. vert. motion 0.004 m^2 0.066 m 0.133 m 10.980 (0.57) 10.496 (0.60) 10.375 (0.61) s (rad/s)
passenger deck aft: Rel. vert. motion 0.001 m^2 0.028 m 0.056 m 3.661 (1.72) 6.471 (0.97) 6.260 (1.00) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.002 m^2/s^2 0.040 m/s 0.080 m/s 10.883 (0.58) 9.986 (0.63) 9.830 (0.64) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.001 m^2/s^2 0.028 m/s 0.057 m/s 3.661 (1.72) 5.706 (1.10) 5.554 (1.13) s (rad/s)
passenger deck aft: Abs. vert. accel 0.001 m^2/s^4 0.026 m/s^2 0.051 m/s^2 10.779 (0.58) 9.302 (0.68) 9.069 (0.69) s (rad/s)
passenger deck aft: Rel. vert. accel 0.001 m^2/s^4 0.032 m/s^2 0.064 m/s^2 3.661 (1.72) 5.149 (1.22) 5.036 (1.25) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.003 m 0.005 m 10.926 (0.58) 10.214 (0.62) 10.058 (0.62) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.002 m/s 0.003 m/s 10.819 (0.58) 9.525 (0.66) 9.281 (0.68) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.001 m/s^2 0.002 m/s^2 3.661 (1.72) 8.438 (0.74) 8.066 (0.78) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.009 m 0.018 m 10.753 (0.58) 9.099 (0.69) 8.863 (0.71) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.007 m/s 0.013 m/s 3.661 (1.72) 8.089 (0.78) 7.777 (0.81) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.005 m/s^2 0.011 m/s^2 3.661 (1.72) 6.835 (0.92) 6.523 (0.96) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.027 SM 0.000 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.002 m^2 0.050 m 0.099 m 11.003 (0.57) 10.632 (0.59) 10.518 (0.60) s (rad/s)
passenger deck forward: Rel. vert. motion 0.001 m^2 0.033 m 0.067 m 3.661 (1.72) 7.356 (0.85) 7.010 (0.90) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.001 m^2/s^2 0.030 m/s 0.059 m/s 10.920 (0.58) 10.159 (0.62) 10.023 (0.63) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.001 m^2/s^2 0.030 m/s 0.060 m/s 3.661 (1.72) 6.101 (1.03) 5.861 (1.07) s (rad/s)
passenger deck forward: Abs. vert. accel 0.000 m^2/s^4 0.019 m/s^2 0.037 m/s^2 10.817 (0.58) 9.585 (0.66) 9.409 (0.67) s (rad/s)
passenger deck forward: Rel. vert. accel 0.001 m^2/s^4 0.032 m/s^2 0.064 m/s^2 3.661 (1.72) 5.260 (1.19) 5.114 (1.23) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.003 m 0.005 m 10.926 (0.58) 10.214 (0.62) 10.058 (0.62) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.002 m/s 0.003 m/s 10.819 (0.58) 9.525 (0.66) 9.281 (0.68) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.001 m/s^2 0.002 m/s^2 3.661 (1.72) 8.438 (0.74) 8.066 (0.78) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.009 m 0.018 m 10.753 (0.58) 9.099 (0.69) 8.863 (0.71) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.007 m/s 0.013 m/s 3.661 (1.72) 8.089 (0.78) 7.777 (0.81) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.005 m/s^2 0.011 m/s^2 3.661 (1.72) 6.835 (0.92) 6.523 (0.96) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.017 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.002 m^2 0.050 m 0.099 m 11.003 (0.57) 10.632 (0.59) 10.518 (0.60) s (rad/s)
Bridge deck: Rel. vert. motion 0.001 m^2 0.033 m 0.067 m 3.661 (1.72) 7.356 (0.85) 7.010 (0.90) s (rad/s)
Bridge deck: Abs. vert. velocity 0.001 m^2/s^2 0.030 m/s 0.059 m/s 10.920 (0.58) 10.159 (0.62) 10.023 (0.63) s (rad/s)
Bridge deck: Rel. vert. velocity 0.001 m^2/s^2 0.030 m/s 0.060 m/s 3.661 (1.72) 6.101 (1.03) 5.861 (1.07) s (rad/s)
Bridge deck: Abs. vert. accel 0.000 m^2/s^4 0.019 m/s^2 0.037 m/s^2 10.817 (0.58) 9.585 (0.66) 9.409 (0.67) s (rad/s)
Bridge deck: Rel. vert. accel 0.001 m^2/s^4 0.032 m/s^2 0.064 m/s^2 3.661 (1.72) 5.260 (1.19) 5.114 (1.23) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.005 m 0.010 m 10.926 (0.58) 10.214 (0.62) 10.058 (0.62) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.006 m/s 10.819 (0.58) 9.525 (0.66) 9.281 (0.68) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.002 m/s^2 0.004 m/s^2 3.661 (1.72) 8.438 (0.74) 8.066 (0.78) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.017 m 0.034 m 10.753 (0.58) 9.099 (0.69) 8.863 (0.71) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.012 m/s 0.024 m/s 3.661 (1.72) 8.089 (0.78) 7.777 (0.81) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.010 m/s^2 0.019 m/s^2 3.661 (1.72) 6.835 (0.92) 6.523 (0.96) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.017 SM 0.000 % 0.000 % -- -- --

Trial Speed, 18 kn; 4.867 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 4.867 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 3.661 (1.72) 9.533 (0.66) 9.204 (0.68) s (rad/s)
Added resistance 1.097 kN -- -- 3.661 (1.72) 8.579 (0.73) 8.087 (0.78) s (rad/s)
Heave motion 0.015 m^2 0.121 m 0.242 m 11.004 (0.57) 10.549 (0.60) 10.429 (0.60) s (rad/s)
Roll motion 0.00004 rad^2 0.00659 rad 0.01319 rad 3.661 (1.72) 9.071 (0.69) 8.836 (0.71) s (rad/s)
Pitch motion 0.00000 rad^2 0.00194 rad 0.00388 rad 3.661 (1.72) 10.237 (0.61) 10.082 (0.62) s (rad/s)
Heave velocity 0.005 m^2/s^2 0.073 m/s 0.146 m/s 3.661 (1.72) 10.049 (0.63) 9.898 (0.63) s (rad/s)
Roll velocity 0.00002 (rad/s)^2 0.00469 rad/s 0.00938 rad/s 3.661 (1.72) 8.068 (0.78) 7.761 (0.81) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00121 rad/s 0.00242 rad/s 3.661 (1.72) 9.555 (0.66) 9.315 (0.67) s (rad/s)
Heave acceleration 0.002 m^2/s^4 0.046 m/s^2 0.093 m/s^2 3.661 (1.72) 9.398 (0.67) 9.183 (0.68) s (rad/s)
Roll acceleration 0.00001 (rad/s/s)^2 0.00380 rad/s/s 0.00759 rad/s/s 3.661 (1.72) 6.834 (0.92) 6.526 (0.96) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00082 rad/s/s 0.00163 rad/s/s 3.661 (1.72) 8.486 (0.74) 8.119 (0.77) s (rad/s)
passenger deck aft: Abs. vert. motion 0.018 m^2 0.133 m 0.266 m 10.998 (0.57) 10.511 (0.60) 10.389 (0.60) s (rad/s)
passenger deck aft: Rel. vert. motion 0.003 m^2 0.056 m 0.113 m 3.661 (1.72) 6.473 (0.97) 6.263 (1.00) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.006 m^2/s^2 0.080 m/s 0.161 m/s 3.661 (1.72) 9.999 (0.63) 9.841 (0.64) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.003 m^2/s^2 0.056 m/s 0.113 m/s 3.661 (1.72) 5.707 (1.10) 5.555 (1.13) s (rad/s)
passenger deck aft: Abs. vert. accel 0.003 m^2/s^4 0.051 m/s^2 0.103 m/s^2 3.661 (1.72) 9.311 (0.67) 9.078 (0.69) s (rad/s)
passenger deck aft: Rel. vert. accel 0.004 m^2/s^4 0.064 m/s^2 0.128 m/s^2 3.661 (1.72) 5.150 (1.22) 5.037 (1.25) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.005 m 0.010 m 3.661 (1.72) 10.227 (0.61) 10.071 (0.62) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.007 m/s 3.661 (1.72) 9.535 (0.66) 9.291 (0.68) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.002 m/s^2 0.004 m/s^2 3.661 (1.72) 8.446 (0.74) 8.073 (0.78) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.018 m 0.037 m 3.661 (1.72) 9.107 (0.69) 8.870 (0.71) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.013 m/s 0.026 m/s 3.661 (1.72) 8.094 (0.78) 7.781 (0.81) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.011 m/s^2 0.021 m/s^2 3.661 (1.72) 6.838 (0.92) 6.525 (0.96) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.073 SM 0.002 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.010 m^2 0.099 m 0.199 m 11.021 (0.57) 10.647 (0.59) 10.532 (0.60) s (rad/s)
passenger deck forward: Rel. vert. motion 0.004 m^2 0.067 m 0.133 m 3.661 (1.72) 7.364 (0.85) 7.017 (0.90) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.004 m^2/s^2 0.059 m/s 0.119 m/s 10.937 (0.57) 10.172 (0.62) 10.035 (0.63) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.004 m^2/s^2 0.060 m/s 0.119 m/s 3.661 (1.72) 6.104 (1.03) 5.863 (1.07) s (rad/s)
passenger deck forward: Abs. vert. accel 0.001 m^2/s^4 0.037 m/s^2 0.074 m/s^2 3.661 (1.72) 9.594 (0.65) 9.418 (0.67) s (rad/s)
passenger deck forward: Rel. vert. accel 0.004 m^2/s^4 0.064 m/s^2 0.128 m/s^2 3.661 (1.72) 5.262 (1.19) 5.115 (1.23) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.005 m 0.010 m 3.661 (1.72) 10.227 (0.61) 10.071 (0.62) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.007 m/s 3.661 (1.72) 9.535 (0.66) 9.291 (0.68) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.002 m/s^2 0.004 m/s^2 3.661 (1.72) 8.446 (0.74) 8.073 (0.78) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.018 m 0.037 m 3.661 (1.72) 9.107 (0.69) 8.870 (0.71) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.013 m/s 0.026 m/s 3.661 (1.72) 8.094 (0.78) 7.781 (0.81) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.011 m/s^2 0.021 m/s^2 3.661 (1.72) 6.838 (0.92) 6.525 (0.96) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.045 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.010 m^2 0.099 m 0.199 m 11.021 (0.57) 10.647 (0.59) 10.532 (0.60) s (rad/s)
Bridge deck: Rel. vert. motion 0.004 m^2 0.067 m 0.133 m 3.661 (1.72) 7.364 (0.85) 7.017 (0.90) s (rad/s)
Bridge deck: Abs. vert. velocity 0.004 m^2/s^2 0.059 m/s 0.119 m/s 10.937 (0.57) 10.172 (0.62) 10.035 (0.63) s (rad/s)
Bridge deck: Rel. vert. velocity 0.004 m^2/s^2 0.060 m/s 0.119 m/s 3.661 (1.72) 6.104 (1.03) 5.863 (1.07) s (rad/s)
Bridge deck: Abs. vert. accel 0.001 m^2/s^4 0.037 m/s^2 0.074 m/s^2 3.661 (1.72) 9.594 (0.65) 9.418 (0.67) s (rad/s)
Bridge deck: Rel. vert. accel 0.004 m^2/s^4 0.064 m/s^2 0.128 m/s^2 3.661 (1.72) 5.262 (1.19) 5.115 (1.23) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.010 m 0.019 m 3.661 (1.72) 10.227 (0.61) 10.071 (0.62) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.006 m/s 0.012 m/s 3.661 (1.72) 9.535 (0.66) 9.291 (0.68) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.004 m/s^2 0.008 m/s^2 3.661 (1.72) 8.446 (0.74) 8.073 (0.78) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.001 m^2 0.033 m 0.067 m 3.661 (1.72) 9.107 (0.69) 8.870 (0.71) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.001 m^2/s^2 0.024 m/s 0.047 m/s 3.661 (1.72) 8.094 (0.78) 7.781 (0.81) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.019 m/s^2 0.038 m/s^2 3.661 (1.72) 6.838 (0.92) 6.525 (0.96) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.045 SM 0.000 % 0.000 % -- -- --

Trial Speed, 18 kn; 4.867 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.965 s -- -- -- -- --
Characteristic wave height 1.200 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 4.867 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.090 m^2 0.300 m 0.601 m 9.969 (0.63) 8.348 (0.75) 7.856 (0.80) s (rad/s)
Encountered wave spectrum 0.090 m^2 0.300 m 0.601 m 10.962 (0.57) 9.525 (0.66) 9.197 (0.68) s (rad/s)
Added resistance 4.394 kN -- -- 3.661 (1.72) 8.572 (0.73) 8.080 (0.78) s (rad/s)
Heave motion 0.059 m^2 0.242 m 0.484 m 10.995 (0.57) 10.541 (0.60) 10.422 (0.60) s (rad/s)
Roll motion 0.00017 rad^2 0.01320 rad 0.02640 rad 10.755 (0.58) 9.067 (0.69) 8.833 (0.71) s (rad/s)
Pitch motion 0.00002 rad^2 0.00388 rad 0.00776 rad 10.947 (0.57) 10.229 (0.61) 10.075 (0.62) s (rad/s)
Heave velocity 0.021 m^2/s^2 0.146 m/s 0.292 m/s 10.902 (0.58) 10.042 (0.63) 9.892 (0.64) s (rad/s)
Roll velocity 0.00009 (rad/s)^2 0.00939 rad/s 0.01878 rad/s 3.661 (1.72) 8.066 (0.78) 7.759 (0.81) s (rad/s)
Pitch velocity 0.00001 (rad/s)^2 0.00242 rad/s 0.00484 rad/s 10.848 (0.58) 9.549 (0.66) 9.310 (0.67) s (rad/s)
Heave acceleration 0.009 m^2/s^4 0.093 m/s^2 0.185 m/s^2 10.798 (0.58) 9.393 (0.67) 9.178 (0.68) s (rad/s)
Roll acceleration 0.00006 (rad/s/s)^2 0.00760 rad/s/s 0.01521 rad/s/s 3.661 (1.72) 6.833 (0.92) 6.524 (0.96) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00163 rad/s/s 0.00327 rad/s/s 10.747 (0.58) 8.482 (0.74) 8.116 (0.77) s (rad/s)
passenger deck aft: Abs. vert. motion 0.071 m^2 0.266 m 0.532 m 10.989 (0.57) 10.503 (0.60) 10.382 (0.61) s (rad/s)
passenger deck aft: Rel. vert. motion 0.013 m^2 0.113 m 0.226 m 3.661 (1.72) 6.472 (0.97) 6.261 (1.00) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.026 m^2/s^2 0.161 m/s 0.322 m/s 10.891 (0.58) 9.992 (0.63) 9.835 (0.64) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.013 m^2/s^2 0.113 m/s 0.226 m/s 3.661 (1.72) 5.707 (1.10) 5.555 (1.13) s (rad/s)
passenger deck aft: Abs. vert. accel 0.011 m^2/s^4 0.103 m/s^2 0.206 m/s^2 10.787 (0.58) 9.306 (0.68) 9.073 (0.69) s (rad/s)
passenger deck aft: Rel. vert. accel 0.016 m^2/s^4 0.128 m/s^2 0.256 m/s^2 3.661 (1.72) 5.149 (1.22) 5.037 (1.25) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.010 m 0.021 m 10.935 (0.57) 10.220 (0.61) 10.064 (0.62) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.007 m/s 0.013 m/s 10.828 (0.58) 9.530 (0.66) 9.286 (0.68) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.004 m/s^2 0.009 m/s^2 10.719 (0.59) 8.442 (0.74) 8.069 (0.78) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.001 m^2 0.037 m 0.074 m 10.761 (0.58) 9.102 (0.69) 8.866 (0.71) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.001 m^2/s^2 0.026 m/s 0.052 m/s 3.661 (1.72) 8.091 (0.78) 7.779 (0.81) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.021 m/s^2 0.042 m/s^2 3.661 (1.72) 6.837 (0.92) 6.524 (0.96) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.196 SM 0.038 % 0.002 % -- -- --
passenger deck forward: Abs. vert. motion 0.039 m^2 0.199 m 0.397 m 11.012 (0.57) 10.639 (0.59) 10.524 (0.60) s (rad/s)
passenger deck forward: Rel. vert. motion 0.018 m^2 0.133 m 0.267 m 3.661 (1.72) 7.360 (0.85) 7.014 (0.90) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.014 m^2/s^2 0.119 m/s 0.237 m/s 10.929 (0.57) 10.165 (0.62) 10.028 (0.63) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.014 m^2/s^2 0.119 m/s 0.239 m/s 3.661 (1.72) 6.102 (1.03) 5.862 (1.07) s (rad/s)
passenger deck forward: Abs. vert. accel 0.006 m^2/s^4 0.074 m/s^2 0.148 m/s^2 10.826 (0.58) 9.589 (0.66) 9.414 (0.67) s (rad/s)
passenger deck forward: Rel. vert. accel 0.016 m^2/s^4 0.128 m/s^2 0.256 m/s^2 3.661 (1.72) 5.261 (1.19) 5.114 (1.23) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.010 m 0.021 m 10.935 (0.57) 10.220 (0.61) 10.064 (0.62) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.007 m/s 0.013 m/s 10.828 (0.58) 9.530 (0.66) 9.286 (0.68) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.004 m/s^2 0.009 m/s^2 10.719 (0.59) 8.442 (0.74) 8.069 (0.78) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.001 m^2 0.037 m 0.074 m 10.761 (0.58) 9.102 (0.69) 8.866 (0.71) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.001 m^2/s^2 0.026 m/s 0.052 m/s 3.661 (1.72) 8.091 (0.78) 7.779 (0.81) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.021 m/s^2 0.042 m/s^2 3.661 (1.72) 6.837 (0.92) 6.524 (0.96) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.121 SM 0.009 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.039 m^2 0.199 m 0.397 m 11.012 (0.57) 10.639 (0.59) 10.524 (0.60) s (rad/s)
Bridge deck: Rel. vert. motion 0.018 m^2 0.133 m 0.267 m 3.661 (1.72) 7.360 (0.85) 7.014 (0.90) s (rad/s)
Bridge deck: Abs. vert. velocity 0.014 m^2/s^2 0.119 m/s 0.237 m/s 10.929 (0.57) 10.165 (0.62) 10.028 (0.63) s (rad/s)
Bridge deck: Rel. vert. velocity 0.014 m^2/s^2 0.119 m/s 0.239 m/s 3.661 (1.72) 6.102 (1.03) 5.862 (1.07) s (rad/s)
Bridge deck: Abs. vert. accel 0.006 m^2/s^4 0.074 m/s^2 0.148 m/s^2 10.826 (0.58) 9.589 (0.66) 9.414 (0.67) s (rad/s)
Bridge deck: Rel. vert. accel 0.016 m^2/s^4 0.128 m/s^2 0.256 m/s^2 3.661 (1.72) 5.261 (1.19) 5.114 (1.23) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.019 m 0.038 m 10.935 (0.57) 10.220 (0.61) 10.064 (0.62) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.012 m/s 0.024 m/s 10.828 (0.58) 9.530 (0.66) 9.286 (0.68) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.008 m/s^2 0.016 m/s^2 10.719 (0.59) 8.442 (0.74) 8.069 (0.78) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.004 m^2 0.067 m 0.134 m 10.761 (0.58) 9.102 (0.69) 8.866 (0.71) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.002 m^2/s^2 0.048 m/s 0.095 m/s 3.661 (1.72) 8.091 (0.78) 7.779 (0.81) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.001 m^2/s^4 0.038 m/s^2 0.077 m/s^2 3.661 (1.72) 6.837 (0.92) 6.524 (0.96) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.121 SM 0.009 % 0.000 % -- -- --

Trial Speed, 18 kn; 4.867 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 2.000 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 4.867 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.251 m^2 0.501 m 1.001 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.251 m^2 0.501 m 1.001 m 3.661 (1.72) 9.533 (0.66) 9.204 (0.68) s (rad/s)
Added resistance 12.190 kN -- -- 3.661 (1.72) 8.579 (0.73) 8.087 (0.78) s (rad/s)
Heave motion 0.163 m^2 0.404 m 0.808 m 11.004 (0.57) 10.549 (0.60) 10.429 (0.60) s (rad/s)
Roll motion 0.00048 rad^2 0.02198 rad 0.04396 rad 3.661 (1.72) 9.071 (0.69) 8.836 (0.71) s (rad/s)
Pitch motion 0.00004 rad^2 0.00647 rad 0.01294 rad 3.661 (1.72) 10.237 (0.61) 10.082 (0.62) s (rad/s)
Heave velocity 0.059 m^2/s^2 0.243 m/s 0.486 m/s 3.661 (1.72) 10.049 (0.63) 9.898 (0.63) s (rad/s)
Roll velocity 0.00024 (rad/s)^2 0.01563 rad/s 0.03125 rad/s 3.661 (1.72) 8.068 (0.78) 7.761 (0.81) s (rad/s)
Pitch velocity 0.00002 (rad/s)^2 0.00403 rad/s 0.00806 rad/s 3.661 (1.72) 9.555 (0.66) 9.315 (0.67) s (rad/s)
Heave acceleration 0.024 m^2/s^4 0.154 m/s^2 0.309 m/s^2 3.661 (1.72) 9.398 (0.67) 9.183 (0.68) s (rad/s)
Roll acceleration 0.00016 (rad/s/s)^2 0.01265 rad/s/s 0.02530 rad/s/s 3.661 (1.72) 6.834 (0.92) 6.526 (0.96) s (rad/s)
Pitch acceleration 0.00001 (rad/s/s)^2 0.00272 rad/s/s 0.00544 rad/s/s 3.661 (1.72) 8.486 (0.74) 8.119 (0.77) s (rad/s)
passenger deck aft: Abs. vert. motion 0.197 m^2 0.444 m 0.887 m 10.998 (0.57) 10.511 (0.60) 10.389 (0.60) s (rad/s)
passenger deck aft: Rel. vert. motion 0.035 m^2 0.188 m 0.375 m 3.661 (1.72) 6.473 (0.97) 6.263 (1.00) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.072 m^2/s^2 0.268 m/s 0.536 m/s 3.661 (1.72) 9.999 (0.63) 9.841 (0.64) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.035 m^2/s^2 0.188 m/s 0.377 m/s 3.661 (1.72) 5.707 (1.10) 5.555 (1.13) s (rad/s)
passenger deck aft: Abs. vert. accel 0.029 m^2/s^4 0.171 m/s^2 0.342 m/s^2 3.661 (1.72) 9.311 (0.67) 9.078 (0.69) s (rad/s)
passenger deck aft: Rel. vert. accel 0.045 m^2/s^4 0.213 m/s^2 0.426 m/s^2 3.661 (1.72) 5.150 (1.22) 5.037 (1.25) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.017 m 0.035 m 3.661 (1.72) 10.227 (0.61) 10.071 (0.62) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.011 m/s 0.022 m/s 3.661 (1.72) 9.535 (0.66) 9.291 (0.68) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.007 m/s^2 0.015 m/s^2 3.661 (1.72) 8.446 (0.74) 8.073 (0.78) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.004 m^2 0.061 m 0.123 m 3.661 (1.72) 9.107 (0.69) 8.870 (0.71) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.002 m^2/s^2 0.043 m/s 0.087 m/s 3.661 (1.72) 8.094 (0.78) 7.781 (0.81) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.001 m^2/s^4 0.035 m/s^2 0.070 m/s^2 3.661 (1.72) 6.838 (0.92) 6.525 (0.96) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.406 SM 0.246 % 0.027 % -- -- --
passenger deck forward: Abs. vert. motion 0.110 m^2 0.331 m 0.662 m 11.021 (0.57) 10.647 (0.59) 10.532 (0.60) s (rad/s)
passenger deck forward: Rel. vert. motion 0.049 m^2 0.222 m 0.444 m 3.661 (1.72) 7.364 (0.85) 7.017 (0.90) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.039 m^2/s^2 0.198 m/s 0.395 m/s 10.937 (0.57) 10.172 (0.62) 10.035 (0.63) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.039 m^2/s^2 0.199 m/s 0.397 m/s 3.661 (1.72) 6.104 (1.03) 5.863 (1.07) s (rad/s)
passenger deck forward: Abs. vert. accel 0.015 m^2/s^4 0.124 m/s^2 0.247 m/s^2 3.661 (1.72) 9.594 (0.65) 9.418 (0.67) s (rad/s)
passenger deck forward: Rel. vert. accel 0.045 m^2/s^4 0.213 m/s^2 0.426 m/s^2 3.661 (1.72) 5.262 (1.19) 5.115 (1.23) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.017 m 0.035 m 3.661 (1.72) 10.227 (0.61) 10.071 (0.62) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.011 m/s 0.022 m/s 3.661 (1.72) 9.535 (0.66) 9.291 (0.68) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.007 m/s^2 0.015 m/s^2 3.661 (1.72) 8.446 (0.74) 8.073 (0.78) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.004 m^2 0.061 m 0.123 m 3.661 (1.72) 9.107 (0.69) 8.870 (0.71) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.002 m^2/s^2 0.043 m/s 0.087 m/s 3.661 (1.72) 8.094 (0.78) 7.781 (0.81) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.001 m^2/s^4 0.035 m/s^2 0.070 m/s^2 3.661 (1.72) 6.838 (0.92) 6.525 (0.96) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.251 SM 0.072 % 0.004 % -- -- --
Bridge deck: Abs. vert. motion 0.110 m^2 0.331 m 0.662 m 11.021 (0.57) 10.647 (0.59) 10.532 (0.60) s (rad/s)
Bridge deck: Rel. vert. motion 0.049 m^2 0.222 m 0.444 m 3.661 (1.72) 7.364 (0.85) 7.017 (0.90) s (rad/s)
Bridge deck: Abs. vert. velocity 0.039 m^2/s^2 0.198 m/s 0.395 m/s 10.937 (0.57) 10.172 (0.62) 10.035 (0.63) s (rad/s)
Bridge deck: Rel. vert. velocity 0.039 m^2/s^2 0.199 m/s 0.397 m/s 3.661 (1.72) 6.104 (1.03) 5.863 (1.07) s (rad/s)
Bridge deck: Abs. vert. accel 0.015 m^2/s^4 0.124 m/s^2 0.247 m/s^2 3.661 (1.72) 9.594 (0.65) 9.418 (0.67) s (rad/s)
Bridge deck: Rel. vert. accel 0.045 m^2/s^4 0.213 m/s^2 0.426 m/s^2 3.661 (1.72) 5.262 (1.19) 5.115 (1.23) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.001 m^2 0.032 m 0.064 m 3.661 (1.72) 10.227 (0.61) 10.071 (0.62) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.020 m/s 0.040 m/s 3.661 (1.72) 9.535 (0.66) 9.291 (0.68) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.013 m/s^2 0.027 m/s^2 3.661 (1.72) 8.446 (0.74) 8.073 (0.78) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.012 m^2 0.112 m 0.223 m 3.661 (1.72) 9.107 (0.69) 8.870 (0.71) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.006 m^2/s^2 0.079 m/s 0.158 m/s 3.661 (1.72) 8.094 (0.78) 7.781 (0.81) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.004 m^2/s^4 0.064 m/s^2 0.128 m/s^2 3.661 (1.72) 6.838 (0.92) 6.525 (0.96) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.251 SM 0.072 % 0.004 % -- -- --

Trial Speed, 18 kn; 5.487 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.956 s -- -- -- -- --
Characteristic wave height 0.300 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 5.487 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.006 m^2 0.075 m 0.150 m 9.960 (0.63) 8.340 (0.75) 7.849 (0.80) s (rad/s)
Encountered wave spectrum 0.005 m^2 0.074 m 0.148 m 16.594 (0.38) 19.127 (0.33) 15.901 (0.40) s (rad/s)
Added resistance 0.352 kN -- -- 16.594 (0.38) 21.376 (0.29) 17.194 (0.37) s (rad/s)
Heave motion 0.005 m^2 0.067 m 0.135 m 16.594 (0.38) 17.672 (0.36) 16.990 (0.37) s (rad/s)
Roll motion 0.00001 rad^2 0.00299 rad 0.00598 rad 16.594 (0.38) -17.804 (-0.35) 6.016 (1.04) s (rad/s)
Pitch motion 0.00001 rad^2 0.00281 rad 0.00562 rad 16.594 (0.38) 20.644 (0.30) 18.731 (0.34) s (rad/s)
Heave velocity 0.001 m^2/s^2 0.025 m/s 0.050 m/s 16.594 (0.38) 22.890 (0.27) 11.953 (0.53) s (rad/s)
Roll velocity 0.00001 (rad/s)^2 0.00308 rad/s 0.00616 rad/s 16.594 (0.38) -3.755 (-1.67) 3.549 (1.77) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00095 rad/s 0.00189 rad/s 16.594 (0.38) 26.743 (0.23) 11.752 (0.53) s (rad/s)
Heave acceleration 0.000 m^2/s^4 0.013 m/s^2 0.026 m/s^2 16.594 (0.38) -6.703 (-0.94) 4.016 (1.56) s (rad/s)
Roll acceleration 0.00003 (rad/s/s)^2 0.00544 rad/s/s 0.01088 rad/s/s 16.594 (0.38) -3.416 (-1.84) 3.404 (1.85) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00050 rad/s/s 0.00100 rad/s/s 16.594 (0.38) -5.793 (-1.08) 3.812 (1.65) s (rad/s)
passenger deck aft: Abs. vert. motion 0.004 m^2 0.063 m 0.127 m 16.594 (0.38) 18.187 (0.35) 16.862 (0.37) s (rad/s)
passenger deck aft: Rel. vert. motion 0.002 m^2 0.043 m 0.087 m 16.594 (0.38) 30.221 (0.21) 13.946 (0.45) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.001 m^2/s^2 0.024 m/s 0.047 m/s 16.594 (0.38) 31.482 (0.20) 10.039 (0.63) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.000 m^2/s^2 0.020 m/s 0.039 m/s 16.594 (0.38) -4.273 (-1.47) 2.614 (2.40) s (rad/s)
passenger deck aft: Abs. vert. accel 0.000 m^2/s^4 0.015 m/s^2 0.029 m/s^2 16.594 (0.38) -4.826 (-1.30) 3.568 (1.76) s (rad/s)
passenger deck aft: Rel. vert. accel 0.002 m^2/s^4 0.047 m/s^2 0.093 m/s^2 16.594 (0.38) -1.559 (-4.03) 1.487 (4.22) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.008 m 0.016 m 16.594 (0.38) 20.623 (0.30) 18.721 (0.34) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.005 m/s 16.594 (0.38) 26.673 (0.24) 11.768 (0.53) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.001 m/s^2 0.003 m/s^2 16.594 (0.38) -5.815 (-1.08) 3.819 (1.65) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.008 m 0.017 m 16.594 (0.38) -17.794 (-0.35) 6.017 (1.04) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.009 m/s 0.017 m/s 16.594 (0.38) -3.758 (-1.67) 3.553 (1.77) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.015 m/s^2 0.030 m/s^2 16.594 (0.38) -3.419 (-1.84) 3.407 (1.84) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.012 SM 0.000 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.008 m^2 0.087 m 0.174 m 16.594 (0.38) 17.865 (0.35) 17.559 (0.36) s (rad/s)
passenger deck forward: Rel. vert. motion 0.006 m^2 0.076 m 0.152 m 16.594 (0.38) 20.380 (0.31) 16.663 (0.38) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.001 m^2/s^2 0.031 m/s 0.062 m/s 16.594 (0.38) 18.112 (0.35) 16.092 (0.39) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.001 m^2/s^2 0.029 m/s 0.057 m/s 16.594 (0.38) -15.812 (-0.40) 3.894 (1.61) s (rad/s)
passenger deck forward: Abs. vert. accel 0.000 m^2/s^4 0.012 m/s^2 0.024 m/s^2 16.594 (0.38) 303.727 (0.02) 7.341 (0.86) s (rad/s)
passenger deck forward: Rel. vert. accel 0.002 m^2/s^4 0.045 m/s^2 0.091 m/s^2 16.594 (0.38) -1.560 (-4.03) 1.474 (4.26) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.008 m 0.016 m 16.594 (0.38) 20.623 (0.30) 18.721 (0.34) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.005 m/s 16.594 (0.38) 26.673 (0.24) 11.768 (0.53) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.001 m/s^2 0.003 m/s^2 16.594 (0.38) -5.815 (-1.08) 3.819 (1.65) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.008 m 0.017 m 16.594 (0.38) -17.794 (-0.35) 6.017 (1.04) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.009 m/s 0.017 m/s 16.594 (0.38) -3.758 (-1.67) 3.553 (1.77) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.015 m/s^2 0.030 m/s^2 16.594 (0.38) -3.419 (-1.84) 3.407 (1.84) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.005 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.008 m^2 0.087 m 0.174 m 16.594 (0.38) 17.865 (0.35) 17.559 (0.36) s (rad/s)
Bridge deck: Rel. vert. motion 0.006 m^2 0.076 m 0.152 m 16.594 (0.38) 20.380 (0.31) 16.663 (0.38) s (rad/s)
Bridge deck: Abs. vert. velocity 0.001 m^2/s^2 0.031 m/s 0.062 m/s 16.594 (0.38) 18.112 (0.35) 16.092 (0.39) s (rad/s)
Bridge deck: Rel. vert. velocity 0.001 m^2/s^2 0.029 m/s 0.057 m/s 16.594 (0.38) -15.812 (-0.40) 3.894 (1.61) s (rad/s)
Bridge deck: Abs. vert. accel 0.000 m^2/s^4 0.012 m/s^2 0.024 m/s^2 16.594 (0.38) 303.727 (0.02) 7.341 (0.86) s (rad/s)
Bridge deck: Rel. vert. accel 0.002 m^2/s^4 0.045 m/s^2 0.091 m/s^2 16.594 (0.38) -1.560 (-4.03) 1.474 (4.26) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.000 m^2 0.014 m 0.029 m 16.594 (0.38) 20.623 (0.30) 18.721 (0.34) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.010 m/s 16.594 (0.38) 26.673 (0.24) 11.768 (0.53) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.003 m/s^2 0.005 m/s^2 16.594 (0.38) -5.815 (-1.08) 3.819 (1.65) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.015 m 0.030 m 16.594 (0.38) -17.794 (-0.35) 6.017 (1.04) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.016 m/s 0.031 m/s 16.594 (0.38) -3.758 (-1.67) 3.553 (1.77) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.001 m^2/s^4 0.028 m/s^2 0.055 m/s^2 16.594 (0.38) -3.419 (-1.84) 3.407 (1.84) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.005 SM 0.000 % 0.000 % -- -- --

Trial Speed, 18 kn; 5.487 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 5.487 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 16.595 (0.38) 19.017 (0.33) 15.944 (0.39) s (rad/s)
Added resistance 1.406 kN -- -- 16.595 (0.38) 21.140 (0.30) 17.177 (0.37) s (rad/s)
Heave motion 0.018 m^2 0.135 m 0.269 m 16.595 (0.38) 17.634 (0.36) 16.984 (0.37) s (rad/s)
Roll motion 0.00004 rad^2 0.00596 rad 0.01193 rad 16.595 (0.38) -18.966 (-0.33) 6.094 (1.03) s (rad/s)
Pitch motion 0.00003 rad^2 0.00560 rad 0.01120 rad 16.595 (0.38) 20.482 (0.31) 18.652 (0.34) s (rad/s)
Heave velocity 0.002 m^2/s^2 0.050 m/s 0.100 m/s 16.595 (0.38) 22.494 (0.28) 12.102 (0.52) s (rad/s)
Roll velocity 0.00004 (rad/s)^2 0.00615 rad/s 0.01230 rad/s 16.595 (0.38) -3.773 (-1.67) 3.556 (1.77) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00189 rad/s 0.00377 rad/s 16.595 (0.38) 26.038 (0.24) 11.893 (0.53) s (rad/s)
Heave acceleration 0.001 m^2/s^4 0.026 m/s^2 0.052 m/s^2 16.595 (0.38) -6.951 (-0.90) 4.065 (1.55) s (rad/s)
Roll acceleration 0.00012 (rad/s/s)^2 0.01086 rad/s/s 0.02172 rad/s/s 16.595 (0.38) -3.417 (-1.84) 3.404 (1.85) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00100 rad/s/s 0.00199 rad/s/s 16.595 (0.38) -5.981 (-1.05) 3.856 (1.63) s (rad/s)
passenger deck aft: Abs. vert. motion 0.016 m^2 0.127 m 0.254 m 16.595 (0.38) 18.128 (0.35) 16.865 (0.37) s (rad/s)
passenger deck aft: Rel. vert. motion 0.008 m^2 0.087 m 0.173 m 16.595 (0.38) 29.590 (0.21) 14.022 (0.45) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.002 m^2/s^2 0.047 m/s 0.095 m/s 16.595 (0.38) 30.283 (0.21) 10.192 (0.62) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.002 m^2/s^2 0.039 m/s 0.078 m/s 16.595 (0.38) -4.405 (-1.43) 2.652 (2.37) s (rad/s)
passenger deck aft: Abs. vert. accel 0.001 m^2/s^4 0.029 m/s^2 0.058 m/s^2 16.595 (0.38) -4.933 (-1.27) 3.597 (1.75) s (rad/s)
passenger deck aft: Rel. vert. accel 0.008 m^2/s^4 0.092 m/s^2 0.184 m/s^2 16.595 (0.38) -1.569 (-4.01) 1.496 (4.20) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.016 m 0.031 m 16.595 (0.38) 20.461 (0.31) 18.642 (0.34) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.011 m/s 16.595 (0.38) 25.972 (0.24) 11.909 (0.53) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.003 m/s^2 0.006 m/s^2 16.595 (0.38) -6.005 (-1.05) 3.862 (1.63) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.017 m 0.033 m 16.595 (0.38) -18.954 (-0.33) 6.096 (1.03) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.017 m/s 0.034 m/s 16.595 (0.38) -3.776 (-1.66) 3.559 (1.77) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.001 m^2/s^4 0.030 m/s^2 0.061 m/s^2 16.595 (0.38) -3.420 (-1.84) 3.407 (1.84) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.031 SM 0.000 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.030 m^2 0.174 m 0.348 m 16.595 (0.38) 17.815 (0.35) 17.523 (0.36) s (rad/s)
passenger deck forward: Rel. vert. motion 0.023 m^2 0.151 m 0.302 m 16.595 (0.38) 20.212 (0.31) 16.674 (0.38) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.004 m^2/s^2 0.062 m/s 0.125 m/s 16.595 (0.38) 18.040 (0.35) 16.127 (0.39) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.003 m^2/s^2 0.057 m/s 0.114 m/s 16.595 (0.38) -17.323 (-0.36) 3.990 (1.57) s (rad/s)
passenger deck forward: Abs. vert. accel 0.001 m^2/s^4 0.024 m/s^2 0.049 m/s^2 16.595 (0.38) 166.523 (0.04) 7.489 (0.84) s (rad/s)
passenger deck forward: Rel. vert. accel 0.008 m^2/s^4 0.090 m/s^2 0.179 m/s^2 16.595 (0.38) -1.573 (-4.00) 1.483 (4.24) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.016 m 0.031 m 16.595 (0.38) 20.461 (0.31) 18.642 (0.34) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.005 m/s 0.011 m/s 16.595 (0.38) 25.972 (0.24) 11.909 (0.53) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.003 m/s^2 0.006 m/s^2 16.595 (0.38) -6.005 (-1.05) 3.862 (1.63) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.017 m 0.033 m 16.595 (0.38) -18.954 (-0.33) 6.096 (1.03) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.017 m/s 0.034 m/s 16.595 (0.38) -3.776 (-1.66) 3.559 (1.77) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.001 m^2/s^4 0.030 m/s^2 0.061 m/s^2 16.595 (0.38) -3.420 (-1.84) 3.407 (1.84) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.015 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.030 m^2 0.174 m 0.348 m 16.595 (0.38) 17.815 (0.35) 17.523 (0.36) s (rad/s)
Bridge deck: Rel. vert. motion 0.023 m^2 0.151 m 0.302 m 16.595 (0.38) 20.212 (0.31) 16.674 (0.38) s (rad/s)
Bridge deck: Abs. vert. velocity 0.004 m^2/s^2 0.062 m/s 0.125 m/s 16.595 (0.38) 18.040 (0.35) 16.127 (0.39) s (rad/s)
Bridge deck: Rel. vert. velocity 0.003 m^2/s^2 0.057 m/s 0.114 m/s 16.595 (0.38) -17.323 (-0.36) 3.990 (1.57) s (rad/s)
Bridge deck: Abs. vert. accel 0.001 m^2/s^4 0.024 m/s^2 0.049 m/s^2 16.595 (0.38) 166.523 (0.04) 7.489 (0.84) s (rad/s)
Bridge deck: Rel. vert. accel 0.008 m^2/s^4 0.090 m/s^2 0.179 m/s^2 16.595 (0.38) -1.573 (-4.00) 1.483 (4.24) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.001 m^2 0.029 m 0.057 m 16.595 (0.38) 20.461 (0.31) 18.642 (0.34) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.010 m/s 0.019 m/s 16.595 (0.38) 25.972 (0.24) 11.909 (0.53) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.005 m/s^2 0.010 m/s^2 16.595 (0.38) -6.005 (-1.05) 3.862 (1.63) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.001 m^2 0.030 m 0.061 m 16.595 (0.38) -18.954 (-0.33) 6.096 (1.03) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.001 m^2/s^2 0.031 m/s 0.063 m/s 16.595 (0.38) -3.776 (-1.66) 3.559 (1.77) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.003 m^2/s^4 0.055 m/s^2 0.111 m/s^2 16.595 (0.38) -3.420 (-1.84) 3.407 (1.84) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.015 SM 0.000 % 0.000 % -- -- --

Trial Speed, 18 kn; 5.487 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.965 s -- -- -- -- --
Characteristic wave height 1.200 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 5.487 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.090 m^2 0.300 m 0.601 m 9.969 (0.63) 8.348 (0.75) 7.856 (0.80) s (rad/s)
Encountered wave spectrum 0.090 m^2 0.300 m 0.600 m 16.594 (0.38) 19.025 (0.33) 15.933 (0.39) s (rad/s)
Added resistance 5.631 kN -- -- 16.594 (0.38) 21.156 (0.30) 17.175 (0.37) s (rad/s)
Heave motion 0.073 m^2 0.269 m 0.539 m 16.594 (0.38) 17.634 (0.36) 16.980 (0.37) s (rad/s)
Roll motion 0.00014 rad^2 0.01193 rad 0.02387 rad 16.594 (0.38) -19.011 (-0.33) 6.098 (1.03) s (rad/s)
Pitch motion 0.00013 rad^2 0.01122 rad 0.02243 rad 16.594 (0.38) 20.488 (0.31) 18.653 (0.34) s (rad/s)
Heave velocity 0.010 m^2/s^2 0.100 m/s 0.199 m/s 16.594 (0.38) 22.536 (0.28) 12.080 (0.52) s (rad/s)
Roll velocity 0.00015 (rad/s)^2 0.01229 rad/s 0.02457 rad/s 16.594 (0.38) -3.774 (-1.66) 3.556 (1.77) s (rad/s)
Pitch velocity 0.00001 (rad/s)^2 0.00378 rad/s 0.00756 rad/s 16.594 (0.38) 26.080 (0.24) 11.881 (0.53) s (rad/s)
Heave acceleration 0.003 m^2/s^4 0.052 m/s^2 0.104 m/s^2 16.594 (0.38) -6.919 (-0.91) 4.058 (1.55) s (rad/s)
Roll acceleration 0.00047 (rad/s/s)^2 0.02171 rad/s/s 0.04341 rad/s/s 16.594 (0.38) -3.417 (-1.84) 3.404 (1.85) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00200 rad/s/s 0.00399 rad/s/s 16.594 (0.38) -5.966 (-1.05) 3.852 (1.63) s (rad/s)
passenger deck aft: Abs. vert. motion 0.064 m^2 0.254 m 0.507 m 16.594 (0.38) 18.130 (0.35) 16.860 (0.37) s (rad/s)
passenger deck aft: Rel. vert. motion 0.030 m^2 0.174 m 0.347 m 16.594 (0.38) 29.630 (0.21) 14.008 (0.45) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.009 m^2/s^2 0.094 m/s 0.189 m/s 16.594 (0.38) 30.425 (0.21) 10.169 (0.62) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.006 m^2/s^2 0.078 m/s 0.156 m/s 16.594 (0.38) -4.383 (-1.43) 2.643 (2.38) s (rad/s)
passenger deck aft: Abs. vert. accel 0.003 m^2/s^4 0.058 m/s^2 0.117 m/s^2 16.594 (0.38) -4.918 (-1.28) 3.593 (1.75) s (rad/s)
passenger deck aft: Rel. vert. accel 0.034 m^2/s^4 0.185 m/s^2 0.370 m/s^2 16.594 (0.38) -1.564 (-4.02) 1.492 (4.21) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.001 m^2 0.031 m 0.063 m 16.594 (0.38) 20.467 (0.31) 18.644 (0.34) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.011 m/s 0.021 m/s 16.594 (0.38) 26.013 (0.24) 11.898 (0.53) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.006 m/s^2 0.011 m/s^2 16.594 (0.38) -5.990 (-1.05) 3.858 (1.63) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.001 m^2 0.033 m 0.067 m 16.594 (0.38) -18.999 (-0.33) 6.100 (1.03) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.001 m^2/s^2 0.034 m/s 0.069 m/s 16.594 (0.38) -3.777 (-1.66) 3.560 (1.77) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.004 m^2/s^4 0.061 m/s^2 0.121 m/s^2 16.594 (0.38) -3.420 (-1.84) 3.407 (1.84) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.085 SM 0.003 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.121 m^2 0.348 m 0.696 m 16.594 (0.38) 17.816 (0.35) 17.522 (0.36) s (rad/s)
passenger deck forward: Rel. vert. motion 0.092 m^2 0.303 m 0.605 m 16.594 (0.38) 20.220 (0.31) 16.667 (0.38) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.016 m^2/s^2 0.125 m/s 0.250 m/s 16.594 (0.38) 18.043 (0.35) 16.119 (0.39) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.013 m^2/s^2 0.114 m/s 0.228 m/s 16.594 (0.38) -17.113 (-0.37) 3.973 (1.58) s (rad/s)
passenger deck forward: Abs. vert. accel 0.002 m^2/s^4 0.049 m/s^2 0.097 m/s^2 16.594 (0.38) 174.382 (0.04) 7.472 (0.84) s (rad/s)
passenger deck forward: Rel. vert. accel 0.032 m^2/s^4 0.180 m/s^2 0.360 m/s^2 16.594 (0.38) -1.568 (-4.01) 1.479 (4.25) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.001 m^2 0.031 m 0.063 m 16.594 (0.38) 20.467 (0.31) 18.644 (0.34) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.011 m/s 0.021 m/s 16.594 (0.38) 26.013 (0.24) 11.898 (0.53) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.006 m/s^2 0.011 m/s^2 16.594 (0.38) -5.990 (-1.05) 3.858 (1.63) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.001 m^2 0.033 m 0.067 m 16.594 (0.38) -18.999 (-0.33) 6.100 (1.03) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.001 m^2/s^2 0.034 m/s 0.069 m/s 16.594 (0.38) -3.777 (-1.66) 3.560 (1.77) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.004 m^2/s^4 0.061 m/s^2 0.121 m/s^2 16.594 (0.38) -3.420 (-1.84) 3.407 (1.84) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.041 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.121 m^2 0.348 m 0.696 m 16.594 (0.38) 17.816 (0.35) 17.522 (0.36) s (rad/s)
Bridge deck: Rel. vert. motion 0.092 m^2 0.303 m 0.605 m 16.594 (0.38) 20.220 (0.31) 16.667 (0.38) s (rad/s)
Bridge deck: Abs. vert. velocity 0.016 m^2/s^2 0.125 m/s 0.250 m/s 16.594 (0.38) 18.043 (0.35) 16.119 (0.39) s (rad/s)
Bridge deck: Rel. vert. velocity 0.013 m^2/s^2 0.114 m/s 0.228 m/s 16.594 (0.38) -17.113 (-0.37) 3.973 (1.58) s (rad/s)
Bridge deck: Abs. vert. accel 0.002 m^2/s^4 0.049 m/s^2 0.097 m/s^2 16.594 (0.38) 174.382 (0.04) 7.472 (0.84) s (rad/s)
Bridge deck: Rel. vert. accel 0.032 m^2/s^4 0.180 m/s^2 0.360 m/s^2 16.594 (0.38) -1.568 (-4.01) 1.479 (4.25) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.003 m^2 0.057 m 0.114 m 16.594 (0.38) 20.467 (0.31) 18.644 (0.34) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.019 m/s 0.039 m/s 16.594 (0.38) 26.013 (0.24) 11.898 (0.53) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.010 m/s^2 0.020 m/s^2 16.594 (0.38) -5.990 (-1.05) 3.858 (1.63) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.004 m^2 0.061 m 0.122 m 16.594 (0.38) -18.999 (-0.33) 6.100 (1.03) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.004 m^2/s^2 0.063 m/s 0.125 m/s 16.594 (0.38) -3.777 (-1.66) 3.560 (1.77) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.012 m^2/s^4 0.110 m/s^2 0.221 m/s^2 16.594 (0.38) -3.420 (-1.84) 3.407 (1.84) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.041 SM 0.000 % 0.000 % -- -- --

Trial Speed, 18 kn; 5.487 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 2.000 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 5.487 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.251 m^2 0.501 m 1.001 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.251 m^2 0.501 m 1.001 m 16.595 (0.38) 19.017 (0.33) 15.944 (0.39) s (rad/s)
Added resistance 15.617 kN -- -- 16.595 (0.38) 21.140 (0.30) 17.177 (0.37) s (rad/s)
Heave motion 0.202 m^2 0.449 m 0.898 m 16.595 (0.38) 17.634 (0.36) 16.984 (0.37) s (rad/s)
Roll motion 0.00040 rad^2 0.01988 rad 0.03976 rad 16.595 (0.38) -18.966 (-0.33) 6.094 (1.03) s (rad/s)
Pitch motion 0.00035 rad^2 0.01867 rad 0.03733 rad 16.595 (0.38) 20.482 (0.31) 18.652 (0.34) s (rad/s)
Heave velocity 0.028 m^2/s^2 0.166 m/s 0.332 m/s 16.595 (0.38) 22.494 (0.28) 12.102 (0.52) s (rad/s)
Roll velocity 0.00042 (rad/s)^2 0.02049 rad/s 0.04099 rad/s 16.595 (0.38) -3.773 (-1.67) 3.556 (1.77) s (rad/s)
Pitch velocity 0.00004 (rad/s)^2 0.00629 rad/s 0.01258 rad/s 16.595 (0.38) 26.038 (0.24) 11.893 (0.53) s (rad/s)
Heave acceleration 0.007 m^2/s^4 0.086 m/s^2 0.172 m/s^2 16.595 (0.38) -6.951 (-0.90) 4.065 (1.55) s (rad/s)
Roll acceleration 0.00131 (rad/s/s)^2 0.03621 rad/s/s 0.07241 rad/s/s 16.595 (0.38) -3.417 (-1.84) 3.404 (1.85) s (rad/s)
Pitch acceleration 0.00001 (rad/s/s)^2 0.00332 rad/s/s 0.00664 rad/s/s 16.595 (0.38) -5.981 (-1.05) 3.856 (1.63) s (rad/s)
passenger deck aft: Abs. vert. motion 0.179 m^2 0.423 m 0.846 m 16.595 (0.38) 18.128 (0.35) 16.865 (0.37) s (rad/s)
passenger deck aft: Rel. vert. motion 0.084 m^2 0.289 m 0.578 m 16.595 (0.38) 29.590 (0.21) 14.022 (0.45) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.025 m^2/s^2 0.158 m/s 0.315 m/s 16.595 (0.38) 30.283 (0.21) 10.192 (0.62) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.017 m^2/s^2 0.129 m/s 0.259 m/s 16.595 (0.38) -4.405 (-1.43) 2.652 (2.37) s (rad/s)
passenger deck aft: Abs. vert. accel 0.009 m^2/s^4 0.097 m/s^2 0.194 m/s^2 16.595 (0.38) -4.933 (-1.27) 3.597 (1.75) s (rad/s)
passenger deck aft: Rel. vert. accel 0.094 m^2/s^4 0.307 m/s^2 0.613 m/s^2 16.595 (0.38) -1.569 (-4.01) 1.496 (4.20) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.003 m^2 0.052 m 0.104 m 16.595 (0.38) 20.461 (0.31) 18.642 (0.34) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.018 m/s 0.035 m/s 16.595 (0.38) 25.972 (0.24) 11.909 (0.53) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.009 m/s^2 0.019 m/s^2 16.595 (0.38) -6.005 (-1.05) 3.862 (1.63) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.003 m^2 0.056 m 0.111 m 16.595 (0.38) -18.954 (-0.33) 6.096 (1.03) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.003 m^2/s^2 0.057 m/s 0.115 m/s 16.595 (0.38) -3.776 (-1.66) 3.559 (1.77) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.010 m^2/s^4 0.101 m/s^2 0.202 m/s^2 16.595 (0.38) -3.420 (-1.84) 3.407 (1.84) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.175 SM 0.027 % 0.001 % -- -- --
passenger deck forward: Abs. vert. motion 0.336 m^2 0.580 m 1.159 m 16.595 (0.38) 17.815 (0.35) 17.523 (0.36) s (rad/s)
passenger deck forward: Rel. vert. motion 0.254 m^2 0.504 m 1.007 m 16.595 (0.38) 20.212 (0.31) 16.674 (0.38) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.043 m^2/s^2 0.208 m/s 0.416 m/s 16.595 (0.38) 18.040 (0.35) 16.127 (0.39) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.036 m^2/s^2 0.190 m/s 0.380 m/s 16.595 (0.38) -17.323 (-0.36) 3.990 (1.57) s (rad/s)
passenger deck forward: Abs. vert. accel 0.007 m^2/s^4 0.081 m/s^2 0.162 m/s^2 16.595 (0.38) 166.523 (0.04) 7.489 (0.84) s (rad/s)
passenger deck forward: Rel. vert. accel 0.089 m^2/s^4 0.299 m/s^2 0.597 m/s^2 16.595 (0.38) -1.573 (-4.00) 1.483 (4.24) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.003 m^2 0.052 m 0.104 m 16.595 (0.38) 20.461 (0.31) 18.642 (0.34) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.018 m/s 0.035 m/s 16.595 (0.38) 25.972 (0.24) 11.909 (0.53) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.009 m/s^2 0.019 m/s^2 16.595 (0.38) -6.005 (-1.05) 3.862 (1.63) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.003 m^2 0.056 m 0.111 m 16.595 (0.38) -18.954 (-0.33) 6.096 (1.03) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.003 m^2/s^2 0.057 m/s 0.115 m/s 16.595 (0.38) -3.776 (-1.66) 3.559 (1.77) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.010 m^2/s^4 0.101 m/s^2 0.202 m/s^2 16.595 (0.38) -3.420 (-1.84) 3.407 (1.84) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.084 SM 0.001 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.336 m^2 0.580 m 1.159 m 16.595 (0.38) 17.815 (0.35) 17.523 (0.36) s (rad/s)
Bridge deck: Rel. vert. motion 0.254 m^2 0.504 m 1.007 m 16.595 (0.38) 20.212 (0.31) 16.674 (0.38) s (rad/s)
Bridge deck: Abs. vert. velocity 0.043 m^2/s^2 0.208 m/s 0.416 m/s 16.595 (0.38) 18.040 (0.35) 16.127 (0.39) s (rad/s)
Bridge deck: Rel. vert. velocity 0.036 m^2/s^2 0.190 m/s 0.380 m/s 16.595 (0.38) -17.323 (-0.36) 3.990 (1.57) s (rad/s)
Bridge deck: Abs. vert. accel 0.007 m^2/s^4 0.081 m/s^2 0.162 m/s^2 16.595 (0.38) 166.523 (0.04) 7.489 (0.84) s (rad/s)
Bridge deck: Rel. vert. accel 0.089 m^2/s^4 0.299 m/s^2 0.597 m/s^2 16.595 (0.38) -1.573 (-4.00) 1.483 (4.24) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.009 m^2 0.095 m 0.190 m 16.595 (0.38) 20.461 (0.31) 18.642 (0.34) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.001 m^2/s^2 0.032 m/s 0.064 m/s 16.595 (0.38) 25.972 (0.24) 11.909 (0.53) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.017 m/s^2 0.034 m/s^2 16.595 (0.38) -6.005 (-1.05) 3.862 (1.63) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.010 m^2 0.101 m 0.203 m 16.595 (0.38) -18.954 (-0.33) 6.096 (1.03) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.011 m^2/s^2 0.104 m/s 0.209 m/s 16.595 (0.38) -3.776 (-1.66) 3.559 (1.77) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.034 m^2/s^4 0.184 m/s^2 0.368 m/s^2 16.595 (0.38) -3.420 (-1.84) 3.407 (1.84) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.084 SM 0.001 % 0.000 % -- -- --

Trial Speed, 18 kn; 5.752 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.956 s -- -- -- -- --
Characteristic wave height 0.300 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 5.752 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.006 m^2 0.075 m 0.150 m 9.960 (0.63) 8.340 (0.75) 7.849 (0.80) s (rad/s)
Encountered wave spectrum 0.006 m^2 0.075 m 0.150 m 20.464 (0.31) 27.135 (0.23) 16.022 (0.39) s (rad/s)
Added resistance 0.373 kN -- -- 20.464 (0.31) 29.639 (0.21) 19.089 (0.33) s (rad/s)
Heave motion 0.005 m^2 0.070 m 0.139 m 20.464 (0.31) 22.617 (0.28) 19.770 (0.32) s (rad/s)
Roll motion 0.00001 rad^2 0.00233 rad 0.00466 rad 20.464 (0.31) -9.484 (-0.66) 5.117 (1.23) s (rad/s)
Pitch motion 0.00002 rad^2 0.00472 rad 0.00945 rad 20.464 (0.31) 35.787 (0.18) 26.533 (0.24) s (rad/s)
Heave velocity 0.000 m^2/s^2 0.022 m/s 0.044 m/s 20.464 (0.31) -180.289 (-0.03) 7.864 (0.80) s (rad/s)
Roll velocity 0.00001 (rad/s)^2 0.00286 rad/s 0.00572 rad/s 20.464 (0.31) -3.451 (-1.82) 3.375 (1.86) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00112 rad/s 0.00224 rad/s 20.464 (0.31) 158.717 (0.04) 9.514 (0.66) s (rad/s)
Heave acceleration 0.000 m^2/s^4 0.018 m/s^2 0.035 m/s^2 20.464 (0.31) -3.509 (-1.79) 3.137 (2.00) s (rad/s)
Roll acceleration 0.00003 (rad/s/s)^2 0.00533 rad/s/s 0.01066 rad/s/s 20.464 (0.31) -3.290 (-1.91) 3.270 (1.92) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00074 rad/s/s 0.00148 rad/s/s 20.464 (0.31) -3.662 (-1.72) 3.174 (1.98) s (rad/s)
passenger deck aft: Abs. vert. motion 0.004 m^2 0.065 m 0.129 m 20.464 (0.31) 25.603 (0.25) 19.030 (0.33) s (rad/s)
passenger deck aft: Rel. vert. motion 0.003 m^2 0.054 m 0.109 m 20.464 (0.31) 127.524 (0.05) 13.385 (0.47) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.000 m^2/s^2 0.021 m/s 0.043 m/s 20.464 (0.31) -21.615 (-0.29) 6.105 (1.03) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.001 m^2/s^2 0.026 m/s 0.051 m/s 20.464 (0.31) -2.212 (-2.84) 1.698 (3.70) s (rad/s)
passenger deck aft: Abs. vert. accel 0.000 m^2/s^4 0.022 m/s^2 0.044 m/s^2 20.464 (0.31) -3.254 (-1.93) 3.033 (2.07) s (rad/s)
passenger deck aft: Rel. vert. accel 0.009 m^2/s^4 0.094 m/s^2 0.189 m/s^2 20.464 (0.31) -1.123 (-5.60) 1.072 (5.86) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.013 m 0.026 m 20.464 (0.31) 35.693 (0.18) 26.518 (0.24) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.006 m/s 20.464 (0.31) 154.211 (0.04) 9.532 (0.66) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.002 m/s^2 0.004 m/s^2 20.464 (0.31) -3.668 (-1.71) 3.177 (1.98) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.007 m 0.013 m 20.464 (0.31) -9.484 (-0.66) 5.120 (1.23) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.008 m/s 0.016 m/s 20.464 (0.31) -3.454 (-1.82) 3.378 (1.86) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.015 m/s^2 0.030 m/s^2 20.464 (0.31) -3.292 (-1.91) 3.272 (1.92) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.027 SM 0.000 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.012 m^2 0.109 m 0.219 m 20.464 (0.31) 25.195 (0.25) 23.121 (0.27) s (rad/s)
passenger deck forward: Rel. vert. motion 0.013 m^2 0.114 m 0.228 m 20.464 (0.31) 32.928 (0.19) 21.002 (0.30) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.001 m^2/s^2 0.030 m/s 0.059 m/s 20.464 (0.31) 26.066 (0.24) 15.956 (0.39) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.001 m^2/s^2 0.034 m/s 0.068 m/s 20.464 (0.31) -4.959 (-1.27) 2.332 (2.69) s (rad/s)
passenger deck forward: Abs. vert. accel 0.000 m^2/s^4 0.012 m/s^2 0.023 m/s^2 20.464 (0.31) -8.057 (-0.78) 4.382 (1.43) s (rad/s)
passenger deck forward: Rel. vert. accel 0.008 m^2/s^4 0.092 m/s^2 0.184 m/s^2 20.464 (0.31) -1.103 (-5.70) 1.057 (5.94) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.013 m 0.026 m 20.464 (0.31) 35.693 (0.18) 26.518 (0.24) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.006 m/s 20.464 (0.31) 154.211 (0.04) 9.532 (0.66) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.002 m/s^2 0.004 m/s^2 20.464 (0.31) -3.668 (-1.71) 3.177 (1.98) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.007 m 0.013 m 20.464 (0.31) -9.484 (-0.66) 5.120 (1.23) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.008 m/s 0.016 m/s 20.464 (0.31) -3.454 (-1.82) 3.378 (1.86) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.015 m/s^2 0.030 m/s^2 20.464 (0.31) -3.292 (-1.91) 3.272 (1.92) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.005 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.012 m^2 0.109 m 0.219 m 20.464 (0.31) 25.195 (0.25) 23.121 (0.27) s (rad/s)
Bridge deck: Rel. vert. motion 0.013 m^2 0.114 m 0.228 m 20.464 (0.31) 32.928 (0.19) 21.002 (0.30) s (rad/s)
Bridge deck: Abs. vert. velocity 0.001 m^2/s^2 0.030 m/s 0.059 m/s 20.464 (0.31) 26.066 (0.24) 15.956 (0.39) s (rad/s)
Bridge deck: Rel. vert. velocity 0.001 m^2/s^2 0.034 m/s 0.068 m/s 20.464 (0.31) -4.959 (-1.27) 2.332 (2.69) s (rad/s)
Bridge deck: Abs. vert. accel 0.000 m^2/s^4 0.012 m/s^2 0.023 m/s^2 20.464 (0.31) -8.057 (-0.78) 4.382 (1.43) s (rad/s)
Bridge deck: Rel. vert. accel 0.008 m^2/s^4 0.092 m/s^2 0.184 m/s^2 20.464 (0.31) -1.103 (-5.70) 1.057 (5.94) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.001 m^2 0.024 m 0.048 m 20.464 (0.31) 35.693 (0.18) 26.518 (0.24) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.006 m/s 0.011 m/s 20.464 (0.31) 154.211 (0.04) 9.532 (0.66) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.004 m/s^2 0.008 m/s^2 20.464 (0.31) -3.668 (-1.71) 3.177 (1.98) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.012 m 0.024 m 20.464 (0.31) -9.484 (-0.66) 5.120 (1.23) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.015 m/s 0.029 m/s 20.464 (0.31) -3.454 (-1.82) 3.378 (1.86) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.001 m^2/s^4 0.027 m/s^2 0.054 m/s^2 20.464 (0.31) -3.292 (-1.91) 3.272 (1.92) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.005 SM 0.000 % 0.000 % -- -- --

Trial Speed, 18 kn; 5.752 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 5.752 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 20.464 (0.31) 27.070 (0.23) 16.063 (0.39) s (rad/s)
Added resistance 1.488 kN -- -- 20.464 (0.31) 29.586 (0.21) 19.103 (0.33) s (rad/s)
Heave motion 0.019 m^2 0.139 m 0.279 m 20.464 (0.31) 22.597 (0.28) 19.787 (0.32) s (rad/s)
Roll motion 0.00002 rad^2 0.00465 rad 0.00929 rad 20.464 (0.31) -9.547 (-0.66) 5.129 (1.23) s (rad/s)
Pitch motion 0.00009 rad^2 0.00942 rad 0.01884 rad 20.464 (0.31) 35.759 (0.18) 26.536 (0.24) s (rad/s)
Heave velocity 0.002 m^2/s^2 0.044 m/s 0.088 m/s 20.464 (0.31) -206.763 (-0.03) 7.911 (0.79) s (rad/s)
Roll velocity 0.00003 (rad/s)^2 0.00569 rad/s 0.01138 rad/s 20.464 (0.31) -3.452 (-1.82) 3.375 (1.86) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00223 rad/s 0.00446 rad/s 20.464 (0.31) 151.636 (0.04) 9.547 (0.66) s (rad/s)
Heave acceleration 0.001 m^2/s^4 0.035 m/s^2 0.070 m/s^2 20.464 (0.31) -3.517 (-1.79) 3.140 (2.00) s (rad/s)
Roll acceleration 0.00011 (rad/s/s)^2 0.01060 rad/s/s 0.02119 rad/s/s 20.464 (0.31) -3.289 (-1.91) 3.269 (1.92) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00147 rad/s/s 0.00294 rad/s/s 20.464 (0.31) -3.669 (-1.71) 3.176 (1.98) s (rad/s)
passenger deck aft: Abs. vert. motion 0.017 m^2 0.129 m 0.258 m 20.464 (0.31) 25.545 (0.25) 19.058 (0.33) s (rad/s)
passenger deck aft: Rel. vert. motion 0.012 m^2 0.108 m 0.217 m 20.464 (0.31) 126.201 (0.05) 13.418 (0.47) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.002 m^2/s^2 0.043 m/s 0.085 m/s 20.464 (0.31) -22.150 (-0.28) 6.140 (1.02) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.003 m^2/s^2 0.051 m/s 0.102 m/s 20.464 (0.31) -2.224 (-2.83) 1.707 (3.68) s (rad/s)
passenger deck aft: Abs. vert. accel 0.002 m^2/s^4 0.044 m/s^2 0.087 m/s^2 20.464 (0.31) -3.257 (-1.93) 3.035 (2.07) s (rad/s)
passenger deck aft: Rel. vert. accel 0.035 m^2/s^4 0.187 m/s^2 0.374 m/s^2 20.464 (0.31) -1.129 (-5.57) 1.077 (5.83) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.001 m^2 0.026 m 0.053 m 20.464 (0.31) 35.666 (0.18) 26.521 (0.24) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.006 m/s 0.012 m/s 20.464 (0.31) 147.521 (0.04) 9.566 (0.66) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.004 m/s^2 0.008 m/s^2 20.464 (0.31) -3.675 (-1.71) 3.180 (1.98) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.013 m 0.026 m 20.464 (0.31) -9.548 (-0.66) 5.131 (1.22) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.016 m/s 0.032 m/s 20.464 (0.31) -3.455 (-1.82) 3.378 (1.86) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.001 m^2/s^4 0.030 m/s^2 0.059 m/s^2 20.464 (0.31) -3.292 (-1.91) 3.272 (1.92) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.071 SM 0.002 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.048 m^2 0.219 m 0.437 m 20.464 (0.31) 25.173 (0.25) 23.112 (0.27) s (rad/s)
passenger deck forward: Rel. vert. motion 0.052 m^2 0.227 m 0.454 m 20.464 (0.31) 32.893 (0.19) 21.024 (0.30) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.004 m^2/s^2 0.059 m/s 0.119 m/s 20.464 (0.31) 25.994 (0.24) 16.002 (0.39) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.005 m^2/s^2 0.068 m/s 0.136 m/s 20.464 (0.31) -5.013 (-1.25) 2.348 (2.68) s (rad/s)
passenger deck forward: Abs. vert. accel 0.001 m^2/s^4 0.023 m/s^2 0.047 m/s^2 20.464 (0.31) -8.144 (-0.77) 4.398 (1.43) s (rad/s)
passenger deck forward: Rel. vert. accel 0.033 m^2/s^4 0.182 m/s^2 0.363 m/s^2 20.464 (0.31) -1.108 (-5.67) 1.062 (5.91) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.001 m^2 0.026 m 0.053 m 20.464 (0.31) 35.666 (0.18) 26.521 (0.24) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.006 m/s 0.012 m/s 20.464 (0.31) 147.521 (0.04) 9.566 (0.66) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.004 m/s^2 0.008 m/s^2 20.464 (0.31) -3.675 (-1.71) 3.180 (1.98) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.013 m 0.026 m 20.464 (0.31) -9.548 (-0.66) 5.131 (1.22) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.016 m/s 0.032 m/s 20.464 (0.31) -3.455 (-1.82) 3.378 (1.86) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.001 m^2/s^4 0.030 m/s^2 0.059 m/s^2 20.464 (0.31) -3.292 (-1.91) 3.272 (1.92) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.014 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.048 m^2 0.219 m 0.437 m 20.464 (0.31) 25.173 (0.25) 23.112 (0.27) s (rad/s)
Bridge deck: Rel. vert. motion 0.052 m^2 0.227 m 0.454 m 20.464 (0.31) 32.893 (0.19) 21.024 (0.30) s (rad/s)
Bridge deck: Abs. vert. velocity 0.004 m^2/s^2 0.059 m/s 0.119 m/s 20.464 (0.31) 25.994 (0.24) 16.002 (0.39) s (rad/s)
Bridge deck: Rel. vert. velocity 0.005 m^2/s^2 0.068 m/s 0.136 m/s 20.464 (0.31) -5.013 (-1.25) 2.348 (2.68) s (rad/s)
Bridge deck: Abs. vert. accel 0.001 m^2/s^4 0.023 m/s^2 0.047 m/s^2 20.464 (0.31) -8.144 (-0.77) 4.398 (1.43) s (rad/s)
Bridge deck: Rel. vert. accel 0.033 m^2/s^4 0.182 m/s^2 0.363 m/s^2 20.464 (0.31) -1.108 (-5.67) 1.062 (5.91) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.002 m^2 0.048 m 0.096 m 20.464 (0.31) 35.666 (0.18) 26.521 (0.24) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.011 m/s 0.023 m/s 20.464 (0.31) 147.521 (0.04) 9.566 (0.66) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.007 m/s^2 0.015 m/s^2 20.464 (0.31) -3.675 (-1.71) 3.180 (1.98) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.001 m^2 0.024 m 0.047 m 20.464 (0.31) -9.548 (-0.66) 5.131 (1.22) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.001 m^2/s^2 0.029 m/s 0.058 m/s 20.464 (0.31) -3.455 (-1.82) 3.378 (1.86) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.003 m^2/s^4 0.054 m/s^2 0.108 m/s^2 20.464 (0.31) -3.292 (-1.91) 3.272 (1.92) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.014 SM 0.000 % 0.000 % -- -- --

Trial Speed, 18 kn; 5.752 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.965 s -- -- -- -- --
Characteristic wave height 1.200 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 5.752 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.090 m^2 0.300 m 0.601 m 9.969 (0.63) 8.348 (0.75) 7.856 (0.80) s (rad/s)
Encountered wave spectrum 0.090 m^2 0.300 m 0.601 m 20.464 (0.31) 27.105 (0.23) 16.041 (0.39) s (rad/s)
Added resistance 5.962 kN -- -- 20.464 (0.31) 29.614 (0.21) 19.096 (0.33) s (rad/s)
Heave motion 0.078 m^2 0.278 m 0.557 m 20.464 (0.31) 22.607 (0.28) 19.781 (0.32) s (rad/s)
Roll motion 0.00009 rad^2 0.00930 rad 0.01861 rad 20.464 (0.31) -9.544 (-0.66) 5.129 (1.23) s (rad/s)
Pitch motion 0.00036 rad^2 0.01887 rad 0.03774 rad 20.464 (0.31) 35.774 (0.18) 26.537 (0.24) s (rad/s)
Heave velocity 0.008 m^2/s^2 0.088 m/s 0.177 m/s 20.464 (0.31) -194.806 (-0.03) 7.891 (0.80) s (rad/s)
Roll velocity 0.00013 (rad/s)^2 0.01139 rad/s 0.02279 rad/s 20.464 (0.31) -3.452 (-1.82) 3.375 (1.86) s (rad/s)
Pitch velocity 0.00002 (rad/s)^2 0.00447 rad/s 0.00894 rad/s 20.464 (0.31) 154.079 (0.04) 9.535 (0.66) s (rad/s)
Heave acceleration 0.005 m^2/s^4 0.070 m/s^2 0.141 m/s^2 20.464 (0.31) -3.513 (-1.79) 3.139 (2.00) s (rad/s)
Roll acceleration 0.00045 (rad/s/s)^2 0.02121 rad/s/s 0.04242 rad/s/s 20.464 (0.31) -3.289 (-1.91) 3.269 (1.92) s (rad/s)
Pitch acceleration 0.00001 (rad/s/s)^2 0.00294 rad/s/s 0.00589 rad/s/s 20.464 (0.31) -3.666 (-1.71) 3.175 (1.98) s (rad/s)
passenger deck aft: Abs. vert. motion 0.067 m^2 0.258 m 0.516 m 20.464 (0.31) 25.573 (0.25) 19.047 (0.33) s (rad/s)
passenger deck aft: Rel. vert. motion 0.047 m^2 0.217 m 0.434 m 20.464 (0.31) 126.838 (0.05) 13.402 (0.47) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.007 m^2/s^2 0.085 m/s 0.170 m/s 20.464 (0.31) -21.921 (-0.29) 6.125 (1.03) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.010 m^2/s^2 0.102 m/s 0.204 m/s 20.464 (0.31) -2.218 (-2.83) 1.702 (3.69) s (rad/s)
passenger deck aft: Abs. vert. accel 0.008 m^2/s^4 0.087 m/s^2 0.175 m/s^2 20.464 (0.31) -3.256 (-1.93) 3.034 (2.07) s (rad/s)
passenger deck aft: Rel. vert. accel 0.141 m^2/s^4 0.376 m/s^2 0.752 m/s^2 20.464 (0.31) -1.126 (-5.58) 1.074 (5.85) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.003 m^2 0.053 m 0.106 m 20.464 (0.31) 35.680 (0.18) 26.522 (0.24) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.013 m/s 0.025 m/s 20.464 (0.31) 149.851 (0.04) 9.554 (0.66) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.008 m/s^2 0.016 m/s^2 20.464 (0.31) -3.672 (-1.71) 3.178 (1.98) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.001 m^2 0.026 m 0.052 m 20.464 (0.31) -9.545 (-0.66) 5.131 (1.22) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.001 m^2/s^2 0.032 m/s 0.064 m/s 20.464 (0.31) -3.455 (-1.82) 3.378 (1.86) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.004 m^2/s^4 0.059 m/s^2 0.118 m/s^2 20.464 (0.31) -3.292 (-1.91) 3.272 (1.92) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.193 SM 0.044 % 0.003 % -- -- --
passenger deck forward: Abs. vert. motion 0.191 m^2 0.438 m 0.875 m 20.464 (0.31) 25.185 (0.25) 23.117 (0.27) s (rad/s)
passenger deck forward: Rel. vert. motion 0.207 m^2 0.455 m 0.910 m 20.464 (0.31) 32.912 (0.19) 21.014 (0.30) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.014 m^2/s^2 0.119 m/s 0.238 m/s 20.464 (0.31) 26.024 (0.24) 15.984 (0.39) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.019 m^2/s^2 0.136 m/s 0.272 m/s 20.464 (0.31) -4.986 (-1.26) 2.339 (2.69) s (rad/s)
passenger deck forward: Abs. vert. accel 0.002 m^2/s^4 0.047 m/s^2 0.093 m/s^2 20.464 (0.31) -8.109 (-0.77) 4.391 (1.43) s (rad/s)
passenger deck forward: Rel. vert. accel 0.133 m^2/s^4 0.365 m/s^2 0.731 m/s^2 20.464 (0.31) -1.106 (-5.68) 1.060 (5.93) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.003 m^2 0.053 m 0.106 m 20.464 (0.31) 35.680 (0.18) 26.522 (0.24) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.013 m/s 0.025 m/s 20.464 (0.31) 149.851 (0.04) 9.554 (0.66) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.008 m/s^2 0.016 m/s^2 20.464 (0.31) -3.672 (-1.71) 3.178 (1.98) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.001 m^2 0.026 m 0.052 m 20.464 (0.31) -9.545 (-0.66) 5.131 (1.22) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.001 m^2/s^2 0.032 m/s 0.064 m/s 20.464 (0.31) -3.455 (-1.82) 3.378 (1.86) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.004 m^2/s^4 0.059 m/s^2 0.118 m/s^2 20.464 (0.31) -3.292 (-1.91) 3.272 (1.92) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.039 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.191 m^2 0.438 m 0.875 m 20.464 (0.31) 25.185 (0.25) 23.117 (0.27) s (rad/s)
Bridge deck: Rel. vert. motion 0.207 m^2 0.455 m 0.910 m 20.464 (0.31) 32.912 (0.19) 21.014 (0.30) s (rad/s)
Bridge deck: Abs. vert. velocity 0.014 m^2/s^2 0.119 m/s 0.238 m/s 20.464 (0.31) 26.024 (0.24) 15.984 (0.39) s (rad/s)
Bridge deck: Rel. vert. velocity 0.019 m^2/s^2 0.136 m/s 0.272 m/s 20.464 (0.31) -4.986 (-1.26) 2.339 (2.69) s (rad/s)
Bridge deck: Abs. vert. accel 0.002 m^2/s^4 0.047 m/s^2 0.093 m/s^2 20.464 (0.31) -8.109 (-0.77) 4.391 (1.43) s (rad/s)
Bridge deck: Rel. vert. accel 0.133 m^2/s^4 0.365 m/s^2 0.731 m/s^2 20.464 (0.31) -1.106 (-5.68) 1.060 (5.93) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.009 m^2 0.096 m 0.192 m 20.464 (0.31) 35.680 (0.18) 26.522 (0.24) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.001 m^2/s^2 0.023 m/s 0.046 m/s 20.464 (0.31) 149.851 (0.04) 9.554 (0.66) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.015 m/s^2 0.030 m/s^2 20.464 (0.31) -3.672 (-1.71) 3.178 (1.98) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.002 m^2 0.047 m 0.095 m 20.464 (0.31) -9.545 (-0.66) 5.131 (1.22) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.003 m^2/s^2 0.058 m/s 0.116 m/s 20.464 (0.31) -3.455 (-1.82) 3.378 (1.86) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.012 m^2/s^4 0.108 m/s^2 0.216 m/s^2 20.464 (0.31) -3.292 (-1.91) 3.272 (1.92) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.039 SM 0.000 % 0.000 % -- -- --

Trial Speed, 18 kn; 5.752 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 2.000 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 5.752 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.251 m^2 0.501 m 1.001 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.251 m^2 0.501 m 1.001 m 20.464 (0.31) 27.070 (0.23) 16.063 (0.39) s (rad/s)
Added resistance 16.537 kN -- -- 20.464 (0.31) 29.586 (0.21) 19.103 (0.33) s (rad/s)
Heave motion 0.216 m^2 0.464 m 0.928 m 20.464 (0.31) 22.597 (0.28) 19.787 (0.32) s (rad/s)
Roll motion 0.00024 rad^2 0.01549 rad 0.03098 rad 20.464 (0.31) -9.547 (-0.66) 5.129 (1.23) s (rad/s)
Pitch motion 0.00099 rad^2 0.03141 rad 0.06281 rad 20.464 (0.31) 35.759 (0.18) 26.536 (0.24) s (rad/s)
Heave velocity 0.022 m^2/s^2 0.147 m/s 0.295 m/s 20.464 (0.31) -206.763 (-0.03) 7.911 (0.79) s (rad/s)
Roll velocity 0.00036 (rad/s)^2 0.01897 rad/s 0.03795 rad/s 20.464 (0.31) -3.452 (-1.82) 3.375 (1.86) s (rad/s)
Pitch velocity 0.00006 (rad/s)^2 0.00744 rad/s 0.01487 rad/s 20.464 (0.31) 151.636 (0.04) 9.547 (0.66) s (rad/s)
Heave acceleration 0.014 m^2/s^4 0.117 m/s^2 0.234 m/s^2 20.464 (0.31) -3.517 (-1.79) 3.140 (2.00) s (rad/s)
Roll acceleration 0.00125 (rad/s/s)^2 0.03532 rad/s/s 0.07064 rad/s/s 20.464 (0.31) -3.289 (-1.91) 3.269 (1.92) s (rad/s)
Pitch acceleration 0.00002 (rad/s/s)^2 0.00489 rad/s/s 0.00979 rad/s/s 20.464 (0.31) -3.669 (-1.71) 3.176 (1.98) s (rad/s)
passenger deck aft: Abs. vert. motion 0.185 m^2 0.430 m 0.861 m 20.464 (0.31) 25.545 (0.25) 19.058 (0.33) s (rad/s)
passenger deck aft: Rel. vert. motion 0.131 m^2 0.361 m 0.723 m 20.464 (0.31) 126.201 (0.05) 13.418 (0.47) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.020 m^2/s^2 0.142 m/s 0.284 m/s 20.464 (0.31) -22.150 (-0.28) 6.140 (1.02) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.029 m^2/s^2 0.169 m/s 0.339 m/s 20.464 (0.31) -2.224 (-2.83) 1.707 (3.68) s (rad/s)
passenger deck aft: Abs. vert. accel 0.021 m^2/s^4 0.145 m/s^2 0.290 m/s^2 20.464 (0.31) -3.257 (-1.93) 3.035 (2.07) s (rad/s)
passenger deck aft: Rel. vert. accel 0.388 m^2/s^4 0.623 m/s^2 1.246 m/s^2 20.464 (0.31) -1.129 (-5.57) 1.077 (5.83) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.008 m^2 0.088 m 0.176 m 20.464 (0.31) 35.666 (0.18) 26.521 (0.24) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.021 m/s 0.042 m/s 20.464 (0.31) 147.521 (0.04) 9.566 (0.66) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.014 m/s^2 0.027 m/s^2 20.464 (0.31) -3.675 (-1.71) 3.180 (1.98) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.002 m^2 0.043 m 0.087 m 20.464 (0.31) -9.548 (-0.66) 5.131 (1.22) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.003 m^2/s^2 0.053 m/s 0.106 m/s 20.464 (0.31) -3.455 (-1.82) 3.378 (1.86) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.010 m^2/s^4 0.099 m/s^2 0.197 m/s^2 20.464 (0.31) -3.292 (-1.91) 3.272 (1.92) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.399 SM 0.278 % 0.037 % -- -- --
passenger deck forward: Abs. vert. motion 0.531 m^2 0.729 m 1.458 m 20.464 (0.31) 25.173 (0.25) 23.112 (0.27) s (rad/s)
passenger deck forward: Rel. vert. motion 0.574 m^2 0.757 m 1.515 m 20.464 (0.31) 32.893 (0.19) 21.024 (0.30) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.039 m^2/s^2 0.198 m/s 0.396 m/s 20.464 (0.31) 25.994 (0.24) 16.002 (0.39) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.051 m^2/s^2 0.226 m/s 0.453 m/s 20.464 (0.31) -5.013 (-1.25) 2.348 (2.68) s (rad/s)
passenger deck forward: Abs. vert. accel 0.006 m^2/s^4 0.078 m/s^2 0.156 m/s^2 20.464 (0.31) -8.144 (-0.77) 4.398 (1.43) s (rad/s)
passenger deck forward: Rel. vert. accel 0.367 m^2/s^4 0.606 m/s^2 1.211 m/s^2 20.464 (0.31) -1.108 (-5.67) 1.062 (5.91) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.008 m^2 0.088 m 0.176 m 20.464 (0.31) 35.666 (0.18) 26.521 (0.24) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.021 m/s 0.042 m/s 20.464 (0.31) 147.521 (0.04) 9.566 (0.66) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.014 m/s^2 0.027 m/s^2 20.464 (0.31) -3.675 (-1.71) 3.180 (1.98) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.002 m^2 0.043 m 0.087 m 20.464 (0.31) -9.548 (-0.66) 5.131 (1.22) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.003 m^2/s^2 0.053 m/s 0.106 m/s 20.464 (0.31) -3.455 (-1.82) 3.378 (1.86) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.010 m^2/s^4 0.099 m/s^2 0.197 m/s^2 20.464 (0.31) -3.292 (-1.91) 3.272 (1.92) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.080 SM 0.001 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.531 m^2 0.729 m 1.458 m 20.464 (0.31) 25.173 (0.25) 23.112 (0.27) s (rad/s)
Bridge deck: Rel. vert. motion 0.574 m^2 0.757 m 1.515 m 20.464 (0.31) 32.893 (0.19) 21.024 (0.30) s (rad/s)
Bridge deck: Abs. vert. velocity 0.039 m^2/s^2 0.198 m/s 0.396 m/s 20.464 (0.31) 25.994 (0.24) 16.002 (0.39) s (rad/s)
Bridge deck: Rel. vert. velocity 0.051 m^2/s^2 0.226 m/s 0.453 m/s 20.464 (0.31) -5.013 (-1.25) 2.348 (2.68) s (rad/s)
Bridge deck: Abs. vert. accel 0.006 m^2/s^4 0.078 m/s^2 0.156 m/s^2 20.464 (0.31) -8.144 (-0.77) 4.398 (1.43) s (rad/s)
Bridge deck: Rel. vert. accel 0.367 m^2/s^4 0.606 m/s^2 1.211 m/s^2 20.464 (0.31) -1.108 (-5.67) 1.062 (5.91) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.026 m^2 0.160 m 0.320 m 20.464 (0.31) 35.666 (0.18) 26.521 (0.24) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.001 m^2/s^2 0.038 m/s 0.076 m/s 20.464 (0.31) 147.521 (0.04) 9.566 (0.66) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.001 m^2/s^4 0.025 m/s^2 0.050 m/s^2 20.464 (0.31) -3.675 (-1.71) 3.180 (1.98) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.006 m^2 0.079 m 0.158 m 20.464 (0.31) -9.548 (-0.66) 5.131 (1.22) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.009 m^2/s^2 0.097 m/s 0.193 m/s 20.464 (0.31) -3.455 (-1.82) 3.378 (1.86) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.032 m^2/s^4 0.180 m/s^2 0.359 m/s^2 20.464 (0.31) -3.292 (-1.91) 3.272 (1.92) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.080 SM 0.001 % 0.000 % -- -- --

Trial Speed, 18 kn; 6.018 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.956 s -- -- -- -- --
Characteristic wave height 0.300 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 6.018 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.006 m^2 0.075 m 0.150 m 9.960 (0.63) 8.340 (0.75) 7.849 (0.80) s (rad/s)
Encountered wave spectrum 0.006 m^2 0.075 m 0.150 m 22.900 (0.27) 37.086 (0.17) 15.055 (0.42) s (rad/s)
Added resistance 0.407 kN -- -- 22.900 (0.27) 42.606 (0.15) 20.081 (0.31) s (rad/s)
Heave motion 0.005 m^2 0.072 m 0.144 m 22.900 (0.27) 28.610 (0.22) 21.432 (0.29) s (rad/s)
Roll motion 0.00000 rad^2 0.00153 rad 0.00306 rad 22.900 (0.27) -5.788 (-1.09) 4.326 (1.45) s (rad/s)
Pitch motion 0.00004 rad^2 0.00612 rad 0.01224 rad 22.900 (0.27) 60.683 (0.10) 31.471 (0.20) s (rad/s)
Heave velocity 0.000 m^2/s^2 0.021 m/s 0.042 m/s 22.900 (0.27) -18.148 (-0.35) 6.012 (1.05) s (rad/s)
Roll velocity 0.00000 (rad/s)^2 0.00222 rad/s 0.00444 rad/s 22.900 (0.27) -3.452 (-1.82) 3.419 (1.84) s (rad/s)
Pitch velocity 0.00000 (rad/s)^2 0.00122 rad/s 0.00244 rad/s 22.900 (0.27) -49.053 (-0.13) 8.289 (0.76) s (rad/s)
Heave acceleration 0.000 m^2/s^4 0.022 m/s^2 0.044 m/s^2 22.900 (0.27) -3.177 (-1.98) 2.984 (2.11) s (rad/s)
Roll acceleration 0.00002 (rad/s/s)^2 0.00408 rad/s/s 0.00816 rad/s/s 22.900 (0.27) -3.345 (-1.88) 3.291 (1.91) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00093 rad/s/s 0.00185 rad/s/s 22.900 (0.27) -3.312 (-1.90) 3.013 (2.09) s (rad/s)
passenger deck aft: Abs. vert. motion 0.005 m^2 0.068 m 0.135 m 22.900 (0.27) 37.667 (0.17) 19.861 (0.32) s (rad/s)
passenger deck aft: Rel. vert. motion 0.004 m^2 0.062 m 0.125 m 22.900 (0.27) -191.677 (-0.03) 12.631 (0.50) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.000 m^2/s^2 0.021 m/s 0.043 m/s 22.900 (0.27) -8.842 (-0.71) 4.823 (1.30) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.001 m^2/s^2 0.031 m/s 0.062 m/s 22.900 (0.27) -1.854 (-3.39) 1.458 (4.31) s (rad/s)
passenger deck aft: Abs. vert. accel 0.001 m^2/s^4 0.028 m/s^2 0.056 m/s^2 22.900 (0.27) -3.083 (-2.04) 2.939 (2.14) s (rad/s)
passenger deck aft: Rel. vert. accel 0.018 m^2/s^4 0.134 m/s^2 0.268 m/s^2 22.900 (0.27) -0.960 (-6.55) 0.915 (6.87) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.000 m^2 0.017 m 0.034 m 22.900 (0.27) 60.376 (0.10) 31.470 (0.20) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.007 m/s 22.900 (0.27) -49.664 (-0.13) 8.303 (0.76) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.003 m/s^2 0.005 m/s^2 22.900 (0.27) -3.315 (-1.90) 3.015 (2.08) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.004 m 0.009 m 22.900 (0.27) -5.790 (-1.09) 4.329 (1.45) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.006 m/s 0.012 m/s 22.900 (0.27) -3.455 (-1.82) 3.422 (1.84) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.011 m/s^2 0.023 m/s^2 22.900 (0.27) -3.348 (-1.88) 3.293 (1.91) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.037 SM 0.000 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.016 m^2 0.127 m 0.254 m 22.900 (0.27) 35.414 (0.18) 28.029 (0.22) s (rad/s)
passenger deck forward: Rel. vert. motion 0.020 m^2 0.140 m 0.280 m 22.900 (0.27) 51.534 (0.12) 23.346 (0.27) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.001 m^2/s^2 0.028 m/s 0.057 m/s 22.900 (0.27) 42.102 (0.15) 14.241 (0.44) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.001 m^2/s^2 0.038 m/s 0.075 m/s 22.900 (0.27) -3.233 (-1.94) 1.822 (3.45) s (rad/s)
passenger deck forward: Abs. vert. accel 0.000 m^2/s^4 0.013 m/s^2 0.025 m/s^2 22.900 (0.27) -4.826 (-1.30) 3.621 (1.74) s (rad/s)
passenger deck forward: Rel. vert. accel 0.017 m^2/s^4 0.130 m/s^2 0.260 m/s^2 22.900 (0.27) -0.943 (-6.66) 0.904 (6.95) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.000 m^2 0.017 m 0.034 m 22.900 (0.27) 60.376 (0.10) 31.470 (0.20) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.003 m/s 0.007 m/s 22.900 (0.27) -49.664 (-0.13) 8.303 (0.76) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.003 m/s^2 0.005 m/s^2 22.900 (0.27) -3.315 (-1.90) 3.015 (2.08) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.004 m 0.009 m 22.900 (0.27) -5.790 (-1.09) 4.329 (1.45) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.006 m/s 0.012 m/s 22.900 (0.27) -3.455 (-1.82) 3.422 (1.84) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.011 m/s^2 0.023 m/s^2 22.900 (0.27) -3.348 (-1.88) 3.293 (1.91) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.007 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.016 m^2 0.127 m 0.254 m 22.900 (0.27) 35.414 (0.18) 28.029 (0.22) s (rad/s)
Bridge deck: Rel. vert. motion 0.020 m^2 0.140 m 0.280 m 22.900 (0.27) 51.534 (0.12) 23.346 (0.27) s (rad/s)
Bridge deck: Abs. vert. velocity 0.001 m^2/s^2 0.028 m/s 0.057 m/s 22.900 (0.27) 42.102 (0.15) 14.241 (0.44) s (rad/s)
Bridge deck: Rel. vert. velocity 0.001 m^2/s^2 0.038 m/s 0.075 m/s 22.900 (0.27) -3.233 (-1.94) 1.822 (3.45) s (rad/s)
Bridge deck: Abs. vert. accel 0.000 m^2/s^4 0.013 m/s^2 0.025 m/s^2 22.900 (0.27) -4.826 (-1.30) 3.621 (1.74) s (rad/s)
Bridge deck: Rel. vert. accel 0.017 m^2/s^4 0.130 m/s^2 0.260 m/s^2 22.900 (0.27) -0.943 (-6.66) 0.904 (6.95) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.001 m^2 0.031 m 0.062 m 22.900 (0.27) 60.376 (0.10) 31.470 (0.20) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.006 m/s 0.012 m/s 22.900 (0.27) -49.664 (-0.13) 8.303 (0.76) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.005 m/s^2 0.009 m/s^2 22.900 (0.27) -3.315 (-1.90) 3.015 (2.08) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.008 m 0.016 m 22.900 (0.27) -5.790 (-1.09) 4.329 (1.45) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.011 m/s 0.023 m/s 22.900 (0.27) -3.455 (-1.82) 3.422 (1.84) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.021 m/s^2 0.042 m/s^2 22.900 (0.27) -3.348 (-1.88) 3.293 (1.91) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.007 SM 0.000 % 0.000 % -- -- --

Trial Speed, 18 kn; 6.018 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 6.018 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 22.900 (0.27) 36.915 (0.17) 15.106 (0.42) s (rad/s)
Added resistance 1.622 kN -- -- 22.900 (0.27) 42.461 (0.15) 20.100 (0.31) s (rad/s)
Heave motion 0.021 m^2 0.144 m 0.287 m 22.900 (0.27) 28.551 (0.22) 21.449 (0.29) s (rad/s)
Roll motion 0.00001 rad^2 0.00306 rad 0.00612 rad 22.900 (0.27) -5.763 (-1.09) 4.318 (1.46) s (rad/s)
Pitch motion 0.00015 rad^2 0.01220 rad 0.02440 rad 22.900 (0.27) 60.538 (0.10) 31.456 (0.20) s (rad/s)
Heave velocity 0.002 m^2/s^2 0.042 m/s 0.084 m/s 22.900 (0.27) -18.433 (-0.34) 6.037 (1.04) s (rad/s)
Roll velocity 0.00002 (rad/s)^2 0.00445 rad/s 0.00891 rad/s 22.900 (0.27) -3.452 (-1.82) 3.420 (1.84) s (rad/s)
Pitch velocity 0.00001 (rad/s)^2 0.00244 rad/s 0.00488 rad/s 22.900 (0.27) -49.669 (-0.13) 8.306 (0.76) s (rad/s)
Heave acceleration 0.002 m^2/s^4 0.044 m/s^2 0.088 m/s^2 22.900 (0.27) -3.179 (-1.98) 2.985 (2.10) s (rad/s)
Roll acceleration 0.00007 (rad/s/s)^2 0.00818 rad/s/s 0.01637 rad/s/s 22.900 (0.27) -3.346 (-1.88) 3.293 (1.91) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00184 rad/s/s 0.00369 rad/s/s 22.900 (0.27) -3.314 (-1.90) 3.014 (2.08) s (rad/s)
passenger deck aft: Abs. vert. motion 0.018 m^2 0.135 m 0.270 m 22.900 (0.27) 37.484 (0.17) 19.889 (0.32) s (rad/s)
passenger deck aft: Rel. vert. motion 0.016 m^2 0.125 m 0.249 m 22.900 (0.27) -194.779 (-0.03) 12.659 (0.50) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.002 m^2/s^2 0.043 m/s 0.085 m/s 22.900 (0.27) -8.924 (-0.70) 4.839 (1.30) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.004 m^2/s^2 0.062 m/s 0.124 m/s 22.900 (0.27) -1.863 (-3.37) 1.465 (4.29) s (rad/s)
passenger deck aft: Abs. vert. accel 0.003 m^2/s^4 0.055 m/s^2 0.111 m/s^2 22.900 (0.27) -3.084 (-2.04) 2.939 (2.14) s (rad/s)
passenger deck aft: Rel. vert. accel 0.070 m^2/s^4 0.265 m/s^2 0.531 m/s^2 22.900 (0.27) -0.964 (-6.51) 0.919 (6.84) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.001 m^2 0.034 m 0.068 m 22.900 (0.27) 60.233 (0.10) 31.455 (0.20) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.007 m/s 0.014 m/s 22.900 (0.27) -50.299 (-0.12) 8.319 (0.76) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.005 m/s^2 0.010 m/s^2 22.900 (0.27) -3.317 (-1.89) 3.016 (2.08) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.009 m 0.017 m 22.900 (0.27) -5.766 (-1.09) 4.321 (1.45) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.012 m/s 0.025 m/s 22.900 (0.27) -3.455 (-1.82) 3.423 (1.84) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.001 m^2/s^4 0.023 m/s^2 0.046 m/s^2 22.900 (0.27) -3.349 (-1.88) 3.296 (1.91) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.098 SM 0.005 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.064 m^2 0.253 m 0.506 m 22.900 (0.27) 35.329 (0.18) 27.999 (0.22) s (rad/s)
passenger deck forward: Rel. vert. motion 0.078 m^2 0.279 m 0.558 m 22.900 (0.27) 51.405 (0.12) 23.368 (0.27) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.003 m^2/s^2 0.057 m/s 0.114 m/s 22.900 (0.27) 41.827 (0.15) 14.281 (0.44) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.006 m^2/s^2 0.075 m/s 0.150 m/s 22.900 (0.27) -3.261 (-1.93) 1.834 (3.43) s (rad/s)
passenger deck forward: Abs. vert. accel 0.001 m^2/s^4 0.025 m/s^2 0.050 m/s^2 22.900 (0.27) -4.846 (-1.30) 3.627 (1.73) s (rad/s)
passenger deck forward: Rel. vert. accel 0.066 m^2/s^4 0.257 m/s^2 0.514 m/s^2 22.900 (0.27) -0.948 (-6.63) 0.909 (6.91) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.001 m^2 0.034 m 0.068 m 22.900 (0.27) 60.233 (0.10) 31.455 (0.20) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.007 m/s 0.014 m/s 22.900 (0.27) -50.299 (-0.12) 8.319 (0.76) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.005 m/s^2 0.010 m/s^2 22.900 (0.27) -3.317 (-1.89) 3.016 (2.08) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.009 m 0.017 m 22.900 (0.27) -5.766 (-1.09) 4.321 (1.45) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.012 m/s 0.025 m/s 22.900 (0.27) -3.455 (-1.82) 3.423 (1.84) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.001 m^2/s^4 0.023 m/s^2 0.046 m/s^2 22.900 (0.27) -3.349 (-1.88) 3.296 (1.91) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.018 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.064 m^2 0.253 m 0.506 m 22.900 (0.27) 35.329 (0.18) 27.999 (0.22) s (rad/s)
Bridge deck: Rel. vert. motion 0.078 m^2 0.279 m 0.558 m 22.900 (0.27) 51.405 (0.12) 23.368 (0.27) s (rad/s)
Bridge deck: Abs. vert. velocity 0.003 m^2/s^2 0.057 m/s 0.114 m/s 22.900 (0.27) 41.827 (0.15) 14.281 (0.44) s (rad/s)
Bridge deck: Rel. vert. velocity 0.006 m^2/s^2 0.075 m/s 0.150 m/s 22.900 (0.27) -3.261 (-1.93) 1.834 (3.43) s (rad/s)
Bridge deck: Abs. vert. accel 0.001 m^2/s^4 0.025 m/s^2 0.050 m/s^2 22.900 (0.27) -4.846 (-1.30) 3.627 (1.73) s (rad/s)
Bridge deck: Rel. vert. accel 0.066 m^2/s^4 0.257 m/s^2 0.514 m/s^2 22.900 (0.27) -0.948 (-6.63) 0.909 (6.91) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.004 m^2 0.062 m 0.124 m 22.900 (0.27) 60.233 (0.10) 31.455 (0.20) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.012 m/s 0.025 m/s 22.900 (0.27) -50.299 (-0.12) 8.319 (0.76) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.009 m/s^2 0.019 m/s^2 22.900 (0.27) -3.317 (-1.89) 3.016 (2.08) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.016 m 0.031 m 22.900 (0.27) -5.766 (-1.09) 4.321 (1.45) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.001 m^2/s^2 0.023 m/s 0.045 m/s 22.900 (0.27) -3.455 (-1.82) 3.423 (1.84) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.002 m^2/s^4 0.042 m/s^2 0.083 m/s^2 22.900 (0.27) -3.349 (-1.88) 3.296 (1.91) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.018 SM 0.000 % 0.000 % -- -- --

Trial Speed, 18 kn; 6.018 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.965 s -- -- -- -- --
Characteristic wave height 1.200 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 6.018 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.090 m^2 0.300 m 0.601 m 9.969 (0.63) 8.348 (0.75) 7.856 (0.80) s (rad/s)
Encountered wave spectrum 0.090 m^2 0.300 m 0.601 m 22.900 (0.27) 37.006 (0.17) 15.079 (0.42) s (rad/s)
Added resistance 6.500 kN -- -- 22.900 (0.27) 42.538 (0.15) 20.090 (0.31) s (rad/s)
Heave motion 0.083 m^2 0.287 m 0.574 m 22.900 (0.27) 28.582 (0.22) 21.440 (0.29) s (rad/s)
Roll motion 0.00004 rad^2 0.00611 rad 0.01222 rad 22.900 (0.27) -5.784 (-1.09) 4.325 (1.45) s (rad/s)
Pitch motion 0.00060 rad^2 0.02444 rad 0.04889 rad 22.900 (0.27) 60.616 (0.10) 31.465 (0.20) s (rad/s)
Heave velocity 0.007 m^2/s^2 0.084 m/s 0.168 m/s 22.900 (0.27) -18.284 (-0.34) 6.024 (1.04) s (rad/s)
Roll velocity 0.00008 (rad/s)^2 0.00888 rad/s 0.01776 rad/s 22.900 (0.27) -3.452 (-1.82) 3.420 (1.84) s (rad/s)
Pitch velocity 0.00002 (rad/s)^2 0.00488 rad/s 0.00976 rad/s 22.900 (0.27) -49.359 (-0.13) 8.298 (0.76) s (rad/s)
Heave acceleration 0.008 m^2/s^4 0.088 m/s^2 0.175 m/s^2 22.900 (0.27) -3.178 (-1.98) 2.985 (2.11) s (rad/s)
Roll acceleration 0.00027 (rad/s/s)^2 0.01631 rad/s/s 0.03263 rad/s/s 22.900 (0.27) -3.345 (-1.88) 3.291 (1.91) s (rad/s)
Pitch acceleration 0.00001 (rad/s/s)^2 0.00370 rad/s/s 0.00739 rad/s/s 22.900 (0.27) -3.313 (-1.90) 3.014 (2.08) s (rad/s)
passenger deck aft: Abs. vert. motion 0.073 m^2 0.270 m 0.540 m 22.900 (0.27) 37.581 (0.17) 19.874 (0.32) s (rad/s)
passenger deck aft: Rel. vert. motion 0.062 m^2 0.250 m 0.499 m 22.900 (0.27) -193.065 (-0.03) 12.644 (0.50) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.007 m^2/s^2 0.085 m/s 0.171 m/s 22.900 (0.27) -8.881 (-0.71) 4.831 (1.30) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.015 m^2/s^2 0.124 m/s 0.248 m/s 22.900 (0.27) -1.858 (-3.38) 1.461 (4.30) s (rad/s)
passenger deck aft: Abs. vert. accel 0.012 m^2/s^4 0.111 m/s^2 0.222 m/s^2 22.900 (0.27) -3.084 (-2.04) 2.939 (2.14) s (rad/s)
passenger deck aft: Rel. vert. accel 0.284 m^2/s^4 0.533 m/s^2 1.067 m/s^2 22.900 (0.27) -0.962 (-6.53) 0.917 (6.85) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.005 m^2 0.068 m 0.137 m 22.900 (0.27) 60.310 (0.10) 31.464 (0.20) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.014 m/s 0.027 m/s 22.900 (0.27) -49.976 (-0.13) 8.311 (0.76) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.010 m/s^2 0.021 m/s^2 22.900 (0.27) -3.316 (-1.89) 3.016 (2.08) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.017 m 0.034 m 22.900 (0.27) -5.786 (-1.09) 4.327 (1.45) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.001 m^2/s^2 0.025 m/s 0.050 m/s 22.900 (0.27) -3.455 (-1.82) 3.423 (1.84) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.002 m^2/s^4 0.046 m/s^2 0.091 m/s^2 22.900 (0.27) -3.348 (-1.88) 3.294 (1.91) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.265 SM 0.085 % 0.006 % -- -- --
passenger deck forward: Abs. vert. motion 0.257 m^2 0.507 m 1.014 m 22.900 (0.27) 35.374 (0.18) 28.015 (0.22) s (rad/s)
passenger deck forward: Rel. vert. motion 0.312 m^2 0.559 m 1.118 m 22.900 (0.27) 51.474 (0.12) 23.358 (0.27) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.013 m^2/s^2 0.114 m/s 0.227 m/s 22.900 (0.27) 41.969 (0.15) 14.261 (0.44) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.023 m^2/s^2 0.150 m/s 0.301 m/s 22.900 (0.27) -3.247 (-1.94) 1.828 (3.44) s (rad/s)
passenger deck forward: Abs. vert. accel 0.003 m^2/s^4 0.050 m/s^2 0.100 m/s^2 22.900 (0.27) -4.836 (-1.30) 3.624 (1.73) s (rad/s)
passenger deck forward: Rel. vert. accel 0.267 m^2/s^4 0.517 m/s^2 1.034 m/s^2 22.900 (0.27) -0.946 (-6.65) 0.907 (6.93) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.005 m^2 0.068 m 0.137 m 22.900 (0.27) 60.310 (0.10) 31.464 (0.20) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.014 m/s 0.027 m/s 22.900 (0.27) -49.976 (-0.13) 8.311 (0.76) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.010 m/s^2 0.021 m/s^2 22.900 (0.27) -3.316 (-1.89) 3.016 (2.08) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.017 m 0.034 m 22.900 (0.27) -5.786 (-1.09) 4.327 (1.45) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.001 m^2/s^2 0.025 m/s 0.050 m/s 22.900 (0.27) -3.455 (-1.82) 3.423 (1.84) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.002 m^2/s^4 0.046 m/s^2 0.091 m/s^2 22.900 (0.27) -3.348 (-1.88) 3.294 (1.91) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.049 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.257 m^2 0.507 m 1.014 m 22.900 (0.27) 35.374 (0.18) 28.015 (0.22) s (rad/s)
Bridge deck: Rel. vert. motion 0.312 m^2 0.559 m 1.118 m 22.900 (0.27) 51.474 (0.12) 23.358 (0.27) s (rad/s)
Bridge deck: Abs. vert. velocity 0.013 m^2/s^2 0.114 m/s 0.227 m/s 22.900 (0.27) 41.969 (0.15) 14.261 (0.44) s (rad/s)
Bridge deck: Rel. vert. velocity 0.023 m^2/s^2 0.150 m/s 0.301 m/s 22.900 (0.27) -3.247 (-1.94) 1.828 (3.44) s (rad/s)
Bridge deck: Abs. vert. accel 0.003 m^2/s^4 0.050 m/s^2 0.100 m/s^2 22.900 (0.27) -4.836 (-1.30) 3.624 (1.73) s (rad/s)
Bridge deck: Rel. vert. accel 0.267 m^2/s^4 0.517 m/s^2 1.034 m/s^2 22.900 (0.27) -0.946 (-6.65) 0.907 (6.93) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.016 m^2 0.125 m 0.249 m 22.900 (0.27) 60.310 (0.10) 31.464 (0.20) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.001 m^2/s^2 0.025 m/s 0.050 m/s 22.900 (0.27) -49.976 (-0.13) 8.311 (0.76) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.019 m/s^2 0.038 m/s^2 22.900 (0.27) -3.316 (-1.89) 3.016 (2.08) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.001 m^2 0.031 m 0.062 m 22.900 (0.27) -5.786 (-1.09) 4.327 (1.45) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.002 m^2/s^2 0.045 m/s 0.090 m/s 22.900 (0.27) -3.455 (-1.82) 3.423 (1.84) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.007 m^2/s^4 0.083 m/s^2 0.166 m/s^2 22.900 (0.27) -3.348 (-1.88) 3.294 (1.91) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.049 SM 0.000 % 0.000 % -- -- --

Trial Speed, 18 kn; 6.018 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 2.000 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 6.018 rad -- -- -- -- --
Vessel Speed 18.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.251 m^2 0.501 m 1.001 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.251 m^2 0.501 m 1.001 m 22.900 (0.27) 36.915 (0.17) 15.106 (0.42) s (rad/s)
Added resistance 18.026 kN -- -- 22.900 (0.27) 42.461 (0.15) 20.100 (0.31) s (rad/s)
Heave motion 0.229 m^2 0.479 m 0.958 m 22.900 (0.27) 28.551 (0.22) 21.449 (0.29) s (rad/s)
Roll motion 0.00010 rad^2 0.01020 rad 0.02040 rad 22.900 (0.27) -5.763 (-1.09) 4.318 (1.46) s (rad/s)
Pitch motion 0.00165 rad^2 0.04067 rad 0.08135 rad 22.900 (0.27) 60.538 (0.10) 31.456 (0.20) s (rad/s)
Heave velocity 0.020 m^2/s^2 0.140 m/s 0.281 m/s 22.900 (0.27) -18.433 (-0.34) 6.037 (1.04) s (rad/s)
Roll velocity 0.00022 (rad/s)^2 0.01485 rad/s 0.02969 rad/s 22.900 (0.27) -3.452 (-1.82) 3.420 (1.84) s (rad/s)
Pitch velocity 0.00007 (rad/s)^2 0.00813 rad/s 0.01625 rad/s 22.900 (0.27) -49.669 (-0.13) 8.306 (0.76) s (rad/s)
Heave acceleration 0.021 m^2/s^4 0.146 m/s^2 0.292 m/s^2 22.900 (0.27) -3.179 (-1.98) 2.985 (2.10) s (rad/s)
Roll acceleration 0.00074 (rad/s/s)^2 0.02728 rad/s/s 0.05455 rad/s/s 22.900 (0.27) -3.346 (-1.88) 3.293 (1.91) s (rad/s)
Pitch acceleration 0.00004 (rad/s/s)^2 0.00615 rad/s/s 0.01229 rad/s/s 22.900 (0.27) -3.314 (-1.90) 3.014 (2.08) s (rad/s)
passenger deck aft: Abs. vert. motion 0.203 m^2 0.450 m 0.901 m 22.900 (0.27) 37.484 (0.17) 19.889 (0.32) s (rad/s)
passenger deck aft: Rel. vert. motion 0.173 m^2 0.415 m 0.831 m 22.900 (0.27) -194.779 (-0.03) 12.659 (0.50) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.020 m^2/s^2 0.142 m/s 0.285 m/s 22.900 (0.27) -8.924 (-0.70) 4.839 (1.30) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.043 m^2/s^2 0.206 m/s 0.412 m/s 22.900 (0.27) -1.863 (-3.37) 1.465 (4.29) s (rad/s)
passenger deck aft: Abs. vert. accel 0.034 m^2/s^4 0.185 m/s^2 0.369 m/s^2 22.900 (0.27) -3.084 (-2.04) 2.939 (2.14) s (rad/s)
passenger deck aft: Rel. vert. accel 0.782 m^2/s^4 0.884 m/s^2 1.769 m/s^2 22.900 (0.27) -0.964 (-6.51) 0.919 (6.84) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.013 m^2 0.114 m 0.228 m 22.900 (0.27) 60.233 (0.10) 31.455 (0.20) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.001 m^2/s^2 0.023 m/s 0.045 m/s 22.900 (0.27) -50.299 (-0.12) 8.319 (0.76) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.017 m/s^2 0.034 m/s^2 22.900 (0.27) -3.317 (-1.89) 3.016 (2.08) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.001 m^2 0.029 m 0.057 m 22.900 (0.27) -5.766 (-1.09) 4.321 (1.45) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.002 m^2/s^2 0.041 m/s 0.083 m/s 22.900 (0.27) -3.455 (-1.82) 3.423 (1.84) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.006 m^2/s^4 0.076 m/s^2 0.152 m/s^2 22.900 (0.27) -3.349 (-1.88) 3.296 (1.91) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.549 SM 0.488 % 0.078 % -- -- --
passenger deck forward: Abs. vert. motion 0.713 m^2 0.844 m 1.688 m 22.900 (0.27) 35.329 (0.18) 27.999 (0.22) s (rad/s)
passenger deck forward: Rel. vert. motion 0.865 m^2 0.930 m 1.861 m 22.900 (0.27) 51.405 (0.12) 23.368 (0.27) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.036 m^2/s^2 0.189 m/s 0.379 m/s 22.900 (0.27) 41.827 (0.15) 14.281 (0.44) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.063 m^2/s^2 0.250 m/s 0.500 m/s 22.900 (0.27) -3.261 (-1.93) 1.834 (3.43) s (rad/s)
passenger deck forward: Abs. vert. accel 0.007 m^2/s^4 0.083 m/s^2 0.167 m/s^2 22.900 (0.27) -4.846 (-1.30) 3.627 (1.73) s (rad/s)
passenger deck forward: Rel. vert. accel 0.734 m^2/s^4 0.857 m/s^2 1.714 m/s^2 22.900 (0.27) -0.948 (-6.63) 0.909 (6.91) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.013 m^2 0.114 m 0.228 m 22.900 (0.27) 60.233 (0.10) 31.455 (0.20) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.001 m^2/s^2 0.023 m/s 0.045 m/s 22.900 (0.27) -50.299 (-0.12) 8.319 (0.76) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.017 m/s^2 0.034 m/s^2 22.900 (0.27) -3.317 (-1.89) 3.016 (2.08) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.001 m^2 0.029 m 0.057 m 22.900 (0.27) -5.766 (-1.09) 4.321 (1.45) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.002 m^2/s^2 0.041 m/s 0.083 m/s 22.900 (0.27) -3.455 (-1.82) 3.423 (1.84) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.006 m^2/s^4 0.076 m/s^2 0.152 m/s^2 22.900 (0.27) -3.349 (-1.88) 3.296 (1.91) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.101 SM 0.002 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.713 m^2 0.844 m 1.688 m 22.900 (0.27) 35.329 (0.18) 27.999 (0.22) s (rad/s)
Bridge deck: Rel. vert. motion 0.865 m^2 0.930 m 1.861 m 22.900 (0.27) 51.405 (0.12) 23.368 (0.27) s (rad/s)
Bridge deck: Abs. vert. velocity 0.036 m^2/s^2 0.189 m/s 0.379 m/s 22.900 (0.27) 41.827 (0.15) 14.281 (0.44) s (rad/s)
Bridge deck: Rel. vert. velocity 0.063 m^2/s^2 0.250 m/s 0.500 m/s 22.900 (0.27) -3.261 (-1.93) 1.834 (3.43) s (rad/s)
Bridge deck: Abs. vert. accel 0.007 m^2/s^4 0.083 m/s^2 0.167 m/s^2 22.900 (0.27) -4.846 (-1.30) 3.627 (1.73) s (rad/s)
Bridge deck: Rel. vert. accel 0.734 m^2/s^4 0.857 m/s^2 1.714 m/s^2 22.900 (0.27) -0.948 (-6.63) 0.909 (6.91) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.043 m^2 0.207 m 0.415 m 22.900 (0.27) 60.233 (0.10) 31.455 (0.20) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.002 m^2/s^2 0.041 m/s 0.083 m/s 22.900 (0.27) -50.299 (-0.12) 8.319 (0.76) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.001 m^2/s^4 0.031 m/s^2 0.063 m/s^2 22.900 (0.27) -3.317 (-1.89) 3.016 (2.08) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.003 m^2 0.052 m 0.104 m 22.900 (0.27) -5.766 (-1.09) 4.321 (1.45) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.006 m^2/s^2 0.076 m/s 0.151 m/s 22.900 (0.27) -3.455 (-1.82) 3.423 (1.84) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.019 m^2/s^4 0.139 m/s^2 0.278 m/s^2 22.900 (0.27) -3.349 (-1.88) 3.296 (1.91) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.101 SM 0.002 % 0.000 % -- -- --

MSI graph
Design Speed, 17 kn; Head sea, 0 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; Head sea, 0 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; Head sea, 0 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; Head sea, 0 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 0.354 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 0.354 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 0.354 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 0.354 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 0.619 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aftpassenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 0.619 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 0.619 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 0.619 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 0.885 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aftpassenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 0.885 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aftpassenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 0.885 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aftpassenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 0.885 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 1.15 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aftpassenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 1.15 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aftpassenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 1.15 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aftpassenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 1.15 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aftpassenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 1.77 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aftpassenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 1.77 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 1.77 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 1.77 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; beam seea, 2.035 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aftpassenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; beam seea, 2.035 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; beam seea, 2.035 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; beam seea, 2.035 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 2.301 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 2.301 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 2.301 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 2.301 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 2.92 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 2.92 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 2.92 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 2.92 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 3.186 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 3.186 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 3.186 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 3.186 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 3.451 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 3.451 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 3.451 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 3.451 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 3.717 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 3.717 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 3.717 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 3.717 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; Following sea, 4.071 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; Following sea, 4.071 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; Following sea, 4.071 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; Following sea, 4.071 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 4.336 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aftpassenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 4.336 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 4.336 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 4.336 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 4.602 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aftpassenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 4.602 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 4.602 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 4.602 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 4.867 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aftpassenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 4.867 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aftpassenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 4.867 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 4.867 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 5.487 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aftpassenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 5.487 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aftpassenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 5.487 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 5.487 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 5.752 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aftpassenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 5.752 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 5.752 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 5.752 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 6.018 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 6.018 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 6.018 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Design Speed, 17 kn; 6.018 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; Head sea, 0 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; Head sea, 0 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; Head sea, 0 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; Head sea, 0 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 0.354 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 0.354 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 0.354 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 0.354 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 0.619 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aftpassenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 0.619 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 0.619 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 0.619 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 0.885 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aftpassenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 0.885 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aftpassenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 0.885 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aftpassenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 0.885 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 1.15 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aftpassenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 1.15 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aftpassenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 1.15 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aftpassenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 1.15 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aftpassenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 1.77 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aftpassenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 1.77 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 1.77 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 1.77 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; beam seea, 2.035 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aftpassenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; beam seea, 2.035 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; beam seea, 2.035 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; beam seea, 2.035 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 2.301 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 2.301 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 2.301 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 2.301 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 2.92 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 2.92 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 2.92 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 2.92 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 3.186 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 3.186 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 3.186 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 3.186 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 3.451 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 3.451 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 3.451 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 3.451 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 3.717 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 3.717 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 3.717 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 3.717 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; Following sea, 4.071 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; Following sea, 4.071 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; Following sea, 4.071 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; Following sea, 4.071 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 4.336 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 4.336 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 4.336 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 4.336 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 4.602 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aftpassenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 4.602 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 4.602 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 4.602 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 4.867 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aftpassenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 4.867 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aftpassenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 4.867 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 4.867 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 5.487 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aftpassenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 5.487 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 5.487 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 5.487 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 5.752 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 5.752 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 5.752 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 5.752 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 6.018 rad; Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 6.018 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 6.018 rad; Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

Trial Speed, 18 kn; 6.018 rad; Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0 2 4 6 8 10 12 14 16 18 20
0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
Severe discomfort boundary for 30 min. exposure (ISO 2631)
Severe discomfort boundary for 2 hrs. exposure (ISO 2631)
Severe discomfort boundary for 8 hrs. exposure (ISO 2631)
passenger deck aft
passenger deck forwardBridge deck
Encounter Frequency rad/s
Acceleration (r.m.s.) m/s^2
MSI
Severe dis com fort boundary for 30 m in. expos ure (ISO 2631)
Severe dis com fort boundary for 2 hrs . expos ure (ISO 2631)
Severe dis com fort boundary for 8 hrs . expos ure (ISO 2631)
pas s enger deck aft
pas s enger deck forward
Bridge deck

RMS Pitch motion [rad]
Beaufort-1 (JONSWAP: 9.962 s, 0.3 m)

0
2
2
4
4
6
6
8
8
10
10
12
12
14
14
16
16
18
18
Wave heading rad
Vessel Speed kn
RMS Pitch motion [rad]
0.00654
0.00654
0.00654
0.00855
0.00855
0.00855
0.00855
0.0106
0.0106
0.0126
0.0126
0.0146
0.0146
0.0166
0.0166
0.0186
0.0186
0.0206
0.0206
0.0226
0.0226
0.0246
0.0246
0.0266
0.0266
0.0286
0.0286
0.0306
0.0306
0.0326
0.0326
0.0347
0.0347
0.0367
0.0367
0.0387
0.0387

Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)

0
2
2
4
4
6
6
8
8
10
10
12
12
14
14
16
16
18
18
Wave heading rad
Vessel Speed kn
RMS Pitch motion [rad]
0.00654
0.00654
0.00654
0.00855
0.00855
0.00855
0.00855
0.0106
0.0106
0.0126
0.0126
0.0146
0.0146
0.0166
0.0166
0.0186
0.0186
0.0206
0.0206
0.0226
0.0226
0.0246
0.0246
0.0266
0.0266
0.0286
0.0286
0.0306
0.0306
0.0326
0.0326
0.0347
0.0347
0.0367
0.0367
0.0387
0.0387

Beaufort-3 (JONSWAP: 9.972 s, 1.2 m)

0
2
2
4
4
6
6
8
8
10
10
12
12
14
14
16
16
18
18
Wave heading rad
Vessel Speed kn
RMS Pitch motion [rad]
0.00654
0.00654
0.00654
0.00855
0.00855
0.00855
0.00855
0.0106
0.0106
0.0126
0.0126
0.0146
0.0146
0.0166
0.0166
0.0186
0.0186
0.0206
0.0206
0.0226
0.0226
0.0246
0.0246
0.0266
0.0266
0.0286
0.0286
0.0306
0.0306
0.0326
0.0326
0.0347
0.0347
0.0367
0.0367
0.0387
0.0387

Beaufort-4 (JONSWAP: 9.981 s, 2 m)

0
2
2
4
4
6
6
8
8
10
10
12
12
14
14
16
16
18
18
Wave heading rad
Vessel Speed kn
RMS Pitch motion [rad]
0.00654
0.00654
0.00654
0.00855
0.00855
0.00855
0.00855
0.0106
0.0106
0.0126
0.0126
0.0146
0.0146
0.0166
0.0166
0.0186
0.0186
0.0206
0.0206
0.0226
0.0226
0.0246
0.0246
0.0266
0.0266
0.0286
0.0286
0.0306
0.0306
0.0326
0.0326
0.0347
0.0347
0.0367
0.0367
0.0387
0.0387

CG RAOs graph
Design Speed, 17 kn; Head sea, 0 rad

0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
-20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2
0
25
50
75
100
125
150
175
200
225
Heave RAO
Roll RAO
Pitch RAO
Added resistance
Encounter Frequency rad/s
RAO (transfer function)
Added Resistance kN/m^2
CG RAOs
Heave RAO
Roll RAO
Pitch RAO
Added res is tance

Design Speed, 17 kn; 0.354 rad

0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
2.2
2.4
-20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2
0
10
20
30
40
50
60
70
80
90
100
110
120
Heave RAO
Roll RAO
Pitch RAO
Added resistance
Encounter Frequency rad/s
RAO (transfer function)
Added Resistance kN/m^2
CG RAOs
Heave RAO
Roll RAO
Pitch RAO
Added res is tance

Design Speed, 17 kn; 0.619 rad

0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
-20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2
0
40
80
120
160
200
240
280
320
360
Heave RAO
Roll RAO
Pitch RAO
Added resistance
Encounter Frequency rad/s
RAO (transfer function)
Added Resistance kN/m^2
CG RAOs
Heave RAO
Roll RAO
Pitch RAO
Added res is tance

Design Speed, 17 kn; 0.885 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
1.2
-20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2
0
50
100
150
200
250
300
350
400
450
500
550
600
Heave RAO
Roll RAO
Pitch RAO
Added resistance
Encounter Frequency rad/s
RAO (transfer function)
Added Resistance kN/m^2
CG RAOs
Heave RAO
Roll RAO
Pitch RAO
Added res is tance

Design Speed, 17 kn; 1.15 rad

0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
-20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2
0
300
600
900
1200
1500
1800
2100
2400
Heave RAO
Roll RAO
Pitch RAO
Added resistance
Encounter Frequency rad/s
RAO (transfer function)
Added Resistance kN/m^2
CG RAOs
Heave RAO
Roll RAO
Pitch RAO
Added res is tance

Design Speed, 17 kn; 1.77 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
0 2 4 6 8 10 12 14 16 18 20
0
5
10
15
20
25
30
35
40
45
50
55
Heave RAO
Roll RAO
Pitch RAO
Added resistance
Encounter Frequency rad/s
RAO (transfer function)
Added Resistance kN/m^2
CG RAOs
Heave RAO
Roll RAO
Pitch RAO
Added res is tance

Design Speed, 17 kn; beam seea, 2.035 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0 2 4 6 8 10 12 14 16 18 20
0
3
6
9
12
15
18
21
24
27
30
Heave RAO
Roll RAO
Pitch RAO
Added resistance
Encounter Frequency rad/s
RAO (transfer function)
Added Resistance kN/m^2
CG RAOs
Heave RAO
Roll RAO
Pitch RAO
Added res is tance

Design Speed, 17 kn; 2.301 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0 2 4 6 8 10 12 14 16 18 20
0
3
6
9
12
15
18
21
24
27
30
Heave RAO
Roll RAO
Pitch RAO
Added resistance
Encounter Frequency rad/s
RAO (transfer function)
Added Resistance kN/m^2
CG RAOs
Heave RAO
Roll RAO
Pitch RAO
Added res is tance

Design Speed, 17 kn; 2.92 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
0 2 4 6 8 10 12 14 16 18 20
0
3
6
9
12
15
18
21
24
27
30
33
Heave RAO
Roll RAO
Pitch RAO
Added resistance
Encounter Frequency rad/s
RAO (transfer function)
Added Resistance kN/m^2
CG RAOs
Heave RAO
Roll RAO
Pitch RAO
Added res is tance

Design Speed, 17 kn; 3.186 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
0 2 4 6 8 10 12 14 16 18 20
0
3
6
9
12
15
18
21
24
27
30
33
Heave RAO
Roll RAO
Pitch RAO
Added resistance
Encounter Frequency rad/s
RAO (transfer function)
Added Resistance kN/m^2
CG RAOs
Heave RAO
Roll RAO
Pitch RAO
Added res is tance

Design Speed, 17 kn; 3.451 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0 2 4 6 8 10 12 14 16 18 20
0
3
6
9
12
15
18
21
24
27
30
Heave RAO
Roll RAO
Pitch RAO
Added resistance
Encounter Frequency rad/s
RAO (transfer function)
Added Resistance kN/m^2
CG RAOs
Heave RAO
Roll RAO
Pitch RAO
Added res is tance

Design Speed, 17 kn; 3.717 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0 2 4 6 8 10 12 14 16 18 20
0
3
6
9
12
15
18
21
24
27
30
Heave RAO
Roll RAO
Pitch RAO
Added resistance
Encounter Frequency rad/s
RAO (transfer function)
Added Resistance kN/m^2
CG RAOs
Heave RAO
Roll RAO
Pitch RAO
Added res is tance

Design Speed, 17 kn; Following sea, 4.071 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0 2 4 6 8 10 12 14 16 18 20
0
3
6
9
12
15
18
21
24
27
30
Heave RAO
Roll RAO
Pitch RAO
Added resistance
Encounter Frequency rad/s
RAO (transfer function)
Added Resistance kN/m^2
CG RAOs
Heave RAO
Roll RAO
Pitch RAO
Added res is tance

Design Speed, 17 kn; 4.336 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0 2 4 6 8 10 12 14 16 18 20
0
3
6
9
12
15
18
21
24
27
30
Heave RAORoll RAO
Pitch RAO
Added resistance
Encounter Frequency rad/s
RAO (transfer function)
Added Resistance kN/m^2
CG RAOs
Heave RAO
Roll RAO
Pitch RAO
Added res is tance

Design Speed, 17 kn; 4.602 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
0 2 4 6 8 10 12 14 16 18 20
0
5
10
15
20
25
30
35
40
45
50
55
Heave RAO
Roll RAO
Pitch RAO
Added resistance
Encounter Frequency rad/s
RAO (transfer function)
Added Resistance kN/m^2
CG RAOs
Heave RAO
Roll RAO
Pitch RAO
Added res is tance

Design Speed, 17 kn; 4.867 rad

0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
-20 -17.5 -15 -12.5 -10 -7.5 -5 -2.5 0 2.5
0
20
40
60
80
100
120
140
160
180
Heave RAO
Roll RAO
Pitch RAO
Added resistance
Encounter Frequency rad/s
RAO (transfer function)
Added Resistance kN/m^2
CG RAOs
Heave RAO
Roll RAO
Pitch RAO
Added res is tance

Design Speed, 17 kn; 5.487 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
1.2
-20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2
0
30
60
90
120
150
180
210
240
270
300
330
360
Heave RAO
Roll RAO
Pitch RAO
Added resistance
Encounter Frequency rad/s
RAO (transfer function)
Added Resistance kN/m^2
CG RAOs
Heave RAO
Roll RAO
Pitch RAO
Added res is tance

Design Speed, 17 kn; 5.752 rad

0
0.25
0.5
0.75
1
1.25
1.5
1.75
2
2.25
2.5
2.75
-20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2
0
10
20
30
40
50
60
70
80
90
100
110
Heave RAO
Roll RAO
Pitch RAO
Added resistance
Encounter Frequency rad/s
RAO (transfer function)
Added Resistance kN/m^2
CG RAOs
Heave RAO
Roll RAO
Pitch RAO
Added res is tance

Design Speed, 17 kn; 6.018 rad

0
0.4
0.8
1.2
1.6
2
2.4
2.8
3.2
-20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2
0
100
200
300
400
500
600
700
800
Heave RAO
Roll RAO
Pitch RAO
Added resistance
Encounter Frequency rad/s
RAO (transfer function)
Added Resistance kN/m^2
CG RAOs
Heave RAO
Roll RAO
Pitch RAO
Added res is tance

Trial Speed, 18 kn; Head sea, 0 rad

0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
5.5
-20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2
0
100
200
300
400
500
600
700
800
900
1000
1100
Heave RAO
Roll RAO
Pitch RAO
Added resistance
Encounter Frequency rad/s
RAO (transfer function)
Added Resistance kN/m^2
CG RAOs
Heave RAO
Roll RAO
Pitch RAO
Added res is tance

Trial Speed, 18 kn; 0.354 rad

0
0.25
0.5
0.75
1
1.25
1.5
1.75
2
2.25
-20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2
0
25
50
75
100
125
150
175
200
225
Heave RAO
Roll RAO
Pitch RAO
Added resistance
Encounter Frequency rad/s
RAO (transfer function)
Added Resistance kN/m^2
CG RAOs
Heave RAO
Roll RAO
Pitch RAO
Added res is tance

Trial Speed, 18 kn; 0.619 rad

0
0.3
0.6
0.9
1.2
1.5
1.8
2.1
2.4
2.7
3
3.3
-20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2
0
10
20
30
40
50
60
70
80
90
100
110
Heave RAO
Roll RAO
Pitch RAO
Added resistance
Encounter Frequency rad/s
RAO (transfer function)
Added Resistance kN/m^2
CG RAOs
Heave RAO
Roll RAO
Pitch RAO
Added res is tance

Trial Speed, 18 kn; 0.885 rad

0
0.3
0.6
0.9
1.2
1.5
1.8
2.1
2.4
2.7
-20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2
0
200
400
600
800
1000
1200
1400
1600
1800
Heave RAO
Roll RAO
Pitch RAO
Added resistance
Encounter Frequency rad/s
RAO (transfer function)
Added Resistance kN/m^2
CG RAOs
Heave RAO
Roll RAO
Pitch RAO
Added res is tance

Trial Speed, 18 kn; 1.15 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
-20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2
0
50
100
150
200
250
300
350
400
450
500
550
Heave RAO
Roll RAO
Pitch RAO
Added resistance
Encounter Frequency rad/s
RAO (transfer function)
Added Resistance kN/m^2
CG RAOs
Heave RAO
Roll RAO
Pitch RAO
Added res is tance

Trial Speed, 18 kn; 1.77 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
0 2 4 6 8 10 12 14 16 18 20
0
5
10
15
20
25
30
35
40
45
50
55
Heave RAO
Roll RAO
Pitch RAO
Added resistance
Encounter Frequency rad/s
RAO (transfer function)
Added Resistance kN/m^2
CG RAOs
Heave RAO
Roll RAO
Pitch RAO
Added res is tance

Trial Speed, 18 kn; beam seea, 2.035 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0 2 4 6 8 10 12 14 16 18 20
0
3
6
9
12
15
18
21
24
27
30
Heave RAO
Roll RAO
Pitch RAO
Added resistance
Encounter Frequency rad/s
RAO (transfer function)
Added Resistance kN/m^2
CG RAOs
Heave RAO
Roll RAO
Pitch RAO
Added res is tance

Trial Speed, 18 kn; 2.301 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0 2 4 6 8 10 12 14 16 18 20
0
3
6
9
12
15
18
21
24
27
30
Heave RAO
Roll RAO
Pitch RAO
Added resistance
Encounter Frequency rad/s
RAO (transfer function)
Added Resistance kN/m^2
CG RAOs
Heave RAO
Roll RAO
Pitch RAO
Added res is tance

Trial Speed, 18 kn; 2.92 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0 2 4 6 8 10 12 14 16 18 20
0
3
6
9
12
15
18
21
24
27
30
Heave RAO
Roll RAO
Pitch RAO
Added resistance
Encounter Frequency rad/s
RAO (transfer function)
Added Resistance kN/m^2
CG RAOs
Heave RAO
Roll RAO
Pitch RAO
Added res is tance

Trial Speed, 18 kn; 3.186 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0 2 4 6 8 10 12 14 16 18 20
0
3
6
9
12
15
18
21
24
27
30
Heave RAO
Roll RAO
Pitch RAO
Added resistance
Encounter Frequency rad/s
RAO (transfer function)
Added Resistance kN/m^2
CG RAOs
Heave RAO
Roll RAO
Pitch RAO
Added res is tance

Trial Speed, 18 kn; 3.451 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0 2 4 6 8 10 12 14 16 18 20
0
3
6
9
12
15
18
21
24
27
30
Heave RAO
Roll RAO
Pitch RAO
Added resistance
Encounter Frequency rad/s
RAO (transfer function)
Added Resistance kN/m^2
CG RAOs
Heave RAO
Roll RAO
Pitch RAO
Added res is tance

Trial Speed, 18 kn; 3.717 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0 2 4 6 8 10 12 14 16 18 20
0
3
6
9
12
15
18
21
24
27
30
Heave RAO
Roll RAO
Pitch RAO
Added resistance
Encounter Frequency rad/s
RAO (transfer function)
Added Resistance kN/m^2
CG RAOs
Heave RAO
Roll RAO
Pitch RAO
Added res is tance

Trial Speed, 18 kn; Following sea, 4.071 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0 2 4 6 8 10 12 14 16 18 20
0
3
6
9
12
15
18
21
24
27
30
Heave RAO
Roll RAO
Pitch RAO
Added resistance
Encounter Frequency rad/s
RAO (transfer function)
Added Resistance kN/m^2
CG RAOs
Heave RAO
Roll RAO
Pitch RAO
Added res is tance

Trial Speed, 18 kn; 4.336 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0 2 4 6 8 10 12 14 16 18 20
0
3
6
9
12
15
18
21
24
27
30
Heave RAO
Roll RAO
Pitch RAO
Added resistance
Encounter Frequency rad/s
RAO (transfer function)
Added Resistance kN/m^2
CG RAOs
Heave RAO
Roll RAO
Pitch RAO
Added res is tance

Trial Speed, 18 kn; 4.602 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
0 2 4 6 8 10 12 14 16 18 20
0
5
10
15
20
25
30
35
40
45
50
55
Heave RAO
Roll RAO
Pitch RAO
Added resistance
Encounter Frequency rad/s
RAO (transfer function)
Added Resistance kN/m^2
CG RAOs
Heave RAO
Roll RAO
Pitch RAO
Added res is tance

Trial Speed, 18 kn; 4.867 rad

0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
-20 -17.5 -15 -12.5 -10 -7.5 -5 -2.5 0 2.5
0
25
50
75
100
125
150
175
200
Heave RAO
Roll RAO
Pitch RAO
Added resistance
Encounter Frequency rad/s
RAO (transfer function)
Added Resistance kN/m^2
CG RAOs
Heave RAO
Roll RAO
Pitch RAO
Added res is tance

Trial Speed, 18 kn; 5.487 rad

0
0.25
0.5
0.75
1
1.25
1.5
1.75
2
2.25
2.5
2.75
-20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2
0
50
100
150
200
250
300
350
400
450
500
550
Heave RAO
Roll RAO
Pitch RAO
Added resistance
Encounter Frequency rad/s
RAO (transfer function)
Added Resistance kN/m^2
CG RAOs
Heave RAO
Roll RAO
Pitch RAO
Added res is tance

Trial Speed, 18 kn; 5.752 rad

0
0.25
0.5
0.75
1
1.25
1.5
1.75
2
2.25
-20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2
0
20
40
60
80
100
120
140
160
180
Heave RAO
Roll RAO
Pitch RAO
Added resistance
Encounter Frequency rad/s
RAO (transfer function)
Added Resistance kN/m^2
CG RAOs
Heave RAO
Roll RAO
Pitch RAO
Added res is tance

Trial Speed, 18 kn; 6.018 rad

0
0.25
0.5
0.75
1
1.25
1.5
1.75
2
2.25
-20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2
0
20
40
60
80
100
120
140
160
180
Heave RAO
Roll RAO
Pitch RAO
Added resistance
Encounter Frequency rad/s
RAO (transfer function)
Added Resistance kN/m^2
CG RAOs
Heave RAO
Roll RAO
Pitch RAO
Added res is tance

Remote location RAOs graph
Design Speed, 17 kn; Head sea, 0 rad

0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
-20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO
Encounter Frequency rad/s
RAO (transfer function)
Remote location RAOs
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO

Design Speed, 17 kn; 0.354 rad

0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
-20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO
Encounter Frequency rad/s
RAO (transfer function)
Remote location RAOs
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO

Design Speed, 17 kn; 0.619 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
-20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO
Encounter Frequency rad/s
RAO (transfer function)
Remote location RAOs
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO

Design Speed, 17 kn; 0.885 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
-20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO
Encounter Frequency rad/s
RAO (transfer function)
Remote location RAOs
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO

Design Speed, 17 kn; 1.15 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
-20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO
Encounter Frequency rad/s
RAO (transfer function)
Remote location RAOs
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO

Design Speed, 17 kn; 1.77 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
0 2 4 6 8 10 12 14 16 18 20
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO
Encounter Frequency rad/s
RAO (transfer function)
Remote location RAOs
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO

Design Speed, 17 kn; beam seea, 2.035 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0 2 4 6 8 10 12 14 16 18 20
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO
Encounter Frequency rad/s
RAO (transfer function)
Remote location RAOs
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO

Design Speed, 17 kn; 2.301 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
0 2 4 6 8 10 12 14 16 18 20
Long. RAO
Lat. RAO
Vert. RAORoll RAO
Pitch RAO
Encounter Frequency rad/s
RAO (transfer function)
Remote location RAOs
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO

Design Speed, 17 kn; 2.92 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0 2 4 6 8 10 12 14 16 18 20
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO
Encounter Frequency rad/s
RAO (transfer function)
Remote location RAOs
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO

Design Speed, 17 kn; 3.186 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0 2 4 6 8 10 12 14 16 18 20
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO
Encounter Frequency rad/s
RAO (transfer function)
Remote location RAOs
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO

Design Speed, 17 kn; 3.451 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0 2 4 6 8 10 12 14 16 18 20
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO
Encounter Frequency rad/s
RAO (transfer function)
Remote location RAOs
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO

Design Speed, 17 kn; 3.717 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
0 2 4 6 8 10 12 14 16 18 20
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO
Encounter Frequency rad/s
RAO (transfer function)
Remote location RAOs
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO

Design Speed, 17 kn; Following sea, 4.071 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
0 2 4 6 8 10 12 14 16 18 20
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO
Encounter Frequency rad/s
RAO (transfer function)
Remote location RAOs
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO

Design Speed, 17 kn; 4.336 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0 2 4 6 8 10 12 14 16 18 20
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO
Encounter Frequency rad/s
RAO (transfer function)
Remote location RAOs
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO

Design Speed, 17 kn; 4.602 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
0 2 4 6 8 10 12 14 16 18 20
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO
Encounter Frequency rad/s
RAO (transfer function)
Remote location RAOs
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO

Design Speed, 17 kn; 4.867 rad

0
0.2
0.4
0.6
0.8
1
1.2
1.4
-20 -17.5 -15 -12.5 -10 -7.5 -5 -2.5 0 2.5
Long. RAO
Lat. RAO
Vert. RAORoll RAO
Pitch RAO
Encounter Frequency rad/s
RAO (transfer function)
Remote location RAOs
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO

Design Speed, 17 kn; 5.487 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
-20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO
Encounter Frequency rad/s
RAO (transfer function)
Remote location RAOs
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO

Design Speed, 17 kn; 5.752 rad

0
0.25
0.5
0.75
1
1.25
1.5
1.75
2
2.25
-20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO
Encounter Frequency rad/s
RAO (transfer function)
Remote location RAOs
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO

Design Speed, 17 kn; 6.018 rad

0
0.2
0.4
0.6
0.8
1
1.2
1.4
-20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO
Encounter Frequency rad/s
RAO (transfer function)
Remote location RAOs
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO

Trial Speed, 18 kn; Head sea, 0 rad

0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
-20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO
Encounter Frequency rad/s
RAO (transfer function)
Remote location RAOs
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO

Trial Speed, 18 kn; 0.354 rad

0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
-20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO
Encounter Frequency rad/s
RAO (transfer function)
Remote location RAOs
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO

Trial Speed, 18 kn; 0.619 rad

0
0.3
0.6
0.9
1.2
1.5
1.8
2.1
2.4
-20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO
Encounter Frequency rad/s
RAO (transfer function)
Remote location RAOs
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO

Trial Speed, 18 kn; 0.885 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
-20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO
Encounter Frequency rad/s
RAO (transfer function)
Remote location RAOs
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO

Trial Speed, 18 kn; 1.15 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
-20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO
Encounter Frequency rad/s
RAO (transfer function)
Remote location RAOs
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO

Trial Speed, 18 kn; 1.77 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
0 2 4 6 8 10 12 14 16 18 20
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO
Encounter Frequency rad/s
RAO (transfer function)
Remote location RAOs
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO

Trial Speed, 18 kn; beam seea, 2.035 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0 2 4 6 8 10 12 14 16 18 20
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO
Encounter Frequency rad/s
RAO (transfer function)
Remote location RAOs
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO

Trial Speed, 18 kn; 2.301 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
0 2 4 6 8 10 12 14 16 18 20
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO
Encounter Frequency rad/s
RAO (transfer function)
Remote location RAOs
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO

Trial Speed, 18 kn; 2.92 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0 2 4 6 8 10 12 14 16 18 20
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO
Encounter Frequency rad/s
RAO (transfer function)
Remote location RAOs
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO

Trial Speed, 18 kn; 3.186 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0 2 4 6 8 10 12 14 16 18 20
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO
Encounter Frequency rad/s
RAO (transfer function)
Remote location RAOs
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO

Trial Speed, 18 kn; 3.451 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0 2 4 6 8 10 12 14 16 18 20
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO
Encounter Frequency rad/s
RAO (transfer function)
Remote location RAOs
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO

Trial Speed, 18 kn; 3.717 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
0 2 4 6 8 10 12 14 16 18 20
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO
Encounter Frequency rad/s
RAO (transfer function)
Remote location RAOs
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO

Trial Speed, 18 kn; Following sea, 4.071 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
0 2 4 6 8 10 12 14 16 18 20
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO
Encounter Frequency rad/s
RAO (transfer function)
Remote location RAOs
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO

Trial Speed, 18 kn; 4.336 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0 2 4 6 8 10 12 14 16 18 20
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO
Encounter Frequency rad/s
RAO (transfer function)
Remote location RAOs
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO

Trial Speed, 18 kn; 4.602 rad

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
0 2 4 6 8 10 12 14 16 18 20
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO
Encounter Frequency rad/s
RAO (transfer function)
Remote location RAOs
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO

Trial Speed, 18 kn; 4.867 rad

0
0.2
0.4
0.6
0.8
1
1.2
1.4
-20 -17.5 -15 -12.5 -10 -7.5 -5 -2.5 0 2.5
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO
Encounter Frequency rad/s
RAO (transfer function)
Remote location RAOs
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO

Trial Speed, 18 kn; 5.487 rad

0
0.25
0.5
0.75
1
1.25
1.5
1.75
2
2.25
-20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO
Encounter Frequency rad/s
RAO (transfer function)
Remote location RAOs
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO

Trial Speed, 18 kn; 5.752 rad

0
0.25
0.5
0.75
1
1.25
1.5
1.75
2
-20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO
Encounter Frequency rad/s
RAO (transfer function)
Remote location RAOs
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO

Trial Speed, 18 kn; 6.018 rad

< ResultGraphGlobalHydrodynamicsST>
0
0.25
0.5
0.75
1
1.25
1.5
1.75
2
2.25
-20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO
Encounter Frequency rad/s
RAO (transfer function)
Remote location RAOs
Long. RAO
Lat. RAO
Vert. RAO
Roll RAO
Pitch RAO

Bentley Motions: full-hull-msd-file
Motions 20.00.02.31, build: 31
C:\BUET LECTURE\AK 43\3. stability\Length 40m\SEAKeeping\full-hull-msd-file.msd
C:\BUET LECTURE\AK 43\3. stability\Length 40m\SEAKeeping\Final\Motion results 3.skd
Strip theory

Spectra
Name Type Char. height [m] Modal period [s] Average period [s] Zero crossing period [s] Peak enhancement fact. Char. wind speed [kn] Char. height 2 [m] Modal period 2 [s] Shape param. 1 Shape param. 2 m0 [m^2] Analyse
Beaufort-1 JONSWAP 0.300 9.962 s 8.342 s 7.851 s 3.30 0.006 0
Beaufort-2 JONSWAP 0.600 9.981 s 8.358 s 7.866 s 3.30 0.023 1
Beaufort-3 JONSWAP 1.200 9.972 s 8.350 s 7.858 s 3.30 0.090 0
Beaufort-4 JONSWAP 2.000 9.981 s 8.358 s 7.866 s 3.30 0.251 0

Locations
Name Long. Pos. [m] Offset [m] Height [m] Long. Pos. from CG [m] Offset from CG [m] Height from CG [m] MII slide friction coeff. MII tip fore/aft. stance coeff. MII tip side/side. stance coeff. Exposure time for MSI [min.]
passenger deck aft 10.01 0.00 6.00 -6.92 0.00 2.79 0.70 0.17 0.25 60
passenger deck forward 30.01 0.00 6.00 13.08 0.00 2.79 0.70 0.17 0.25 60
Bridge deck 30.01 0.00 8.30 13.08 0.00 5.10 0.70 0.17 0.25 60

Speeds
Name Speed [kn] Analyse
Design Speed 17.000 1
Trial Speed 18.000 0

Headings
Name Heading [rad] Analyse
Head sea 0.00 1
0.35 1
0.62 1
0.88 1
1.15 1
1.77 1
beam seea 2.04 1
2.30 1
2.92 1
3.19 1
3.45 1
3.72 1
Following sea 4.07 1
4.34 1
4.60 1
4.87 1
5.49 1
5.75 1
6.02 1

Summary table
Design Speed, 17 kn; Head sea, 0 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --
Characteristic wave height 0.600 m -- -- -- -- --

Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Spectrum type JONSWAP -- -- -- -- --
Wave heading 0.000 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 22.413 (0.28) 34.413 (0.18) 15.344 (0.41) s (rad/s)
Added resistance 1.581 kN -- -- 22.413 (0.28) 39.214 (0.16) 19.979 (0.31) s (rad/s)
Heave motion 0.020 m^2 0.141 m 0.282 m 22.413 (0.28) 26.981 (0.23) 21.286 (0.30) s (rad/s)
Roll motion 0.00000 rad^2 0.00000 rad 0.00000 rad 22.413 (0.28) -8.799 (-0.71) 5.144 (1.22) s (rad/s)
Pitch motion 0.00014 rad^2 0.01166 rad 0.02332 rad 22.413 (0.28) 51.112 (0.12) 30.072 (0.21) s (rad/s)
Heave velocity 0.002 m^2/s^2 0.042 m/s 0.083 m/s 22.413 (0.28) -25.247 (-0.25) 6.482 (0.97) s (rad/s)
Roll velocity 0.00000 (rad/s)^2 0.00000 rad/s 0.00000 rad/s 22.413 (0.28) -3.507 (-1.79) 3.431 (1.83) s (rad/s)
Pitch velocity 0.00001 (rad/s)^2 0.00244 rad/s 0.00487 rad/s 22.413 (0.28) -100.049 (-0.06) 8.899 (0.71) s (rad/s)
Heave acceleration 0.002 m^2/s^4 0.040 m/s^2 0.081 m/s^2 22.413 (0.28) -3.226 (-1.95) 3.000 (2.09) s (rad/s)
Roll acceleration 0.00000 (rad/s/s)^2 0.00000 rad/s/s 0.00000 rad/s/s 22.413 (0.28) -3.253 (-1.93) 3.119 (2.01) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00172 rad/s/s 0.00344 rad/s/s 22.413 (0.28) -3.400 (-1.85) 3.044 (2.06) s (rad/s)
passenger deck aft: Abs. vert. motion 0.018 m^2 0.134 m 0.267 m 22.413 (0.28) 34.113 (0.18) 20.119 (0.31) s (rad/s)
passenger deck aft: Rel. vert. motion 0.016 m^2 0.126 m 0.253 m 22.413 (0.28) -8286.629 (0.00) 13.356 (0.47) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.002 m^2/s^2 0.042 m/s 0.083 m/s 22.413 (0.28) -10.796 (-0.58) 5.150 (1.22) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.004 m^2/s^2 0.059 m/s 0.119 m/s 22.413 (0.28) -1.933 (-3.25) 1.506 (4.17) s (rad/s)
passenger deck aft: Abs. vert. accel 0.003 m^2/s^4 0.051 m/s^2 0.102 m/s^2 22.413 (0.28) -3.106 (-2.02) 2.945 (2.13) s (rad/s)
passenger deck aft: Rel. vert. accel 0.062 m^2/s^4 0.248 m/s^2 0.496 m/s^2 22.413 (0.28) -0.991 (-6.34) 0.946 (6.64) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.001 m^2 0.033 m 0.065 m 22.413 (0.28) 50.908 (0.12) 30.066 (0.21) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.007 m/s 0.014 m/s 22.413 (0.28) -102.340 (-0.06) 8.915 (0.70) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.005 m/s^2 0.010 m/s^2 22.413 (0.28) -3.404 (-1.85) 3.046 (2.06) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.000 m 0.000 m 22.413 (0.28) -8.801 (-0.71) 5.146 (1.22) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.000 m/s 0.000 m/s 22.413 (0.28) -3.511 (-1.79) 3.434 (1.83) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.000 m/s^2 0.000 m/s^2 22.413 (0.28) -3.255 (-1.93) 3.121 (2.01) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.088 SM 0.004 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.059 m^2 0.243 m 0.487 m 22.413 (0.28) 32.260 (0.19) 26.779 (0.23) s (rad/s)
passenger deck forward: Rel. vert. motion 0.073 m^2 0.271 m 0.542 m 22.413 (0.28) 44.433 (0.14) 22.838 (0.28) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.003 m^2/s^2 0.057 m/s 0.114 m/s 22.413 (0.28) 35.480 (0.18) 15.089 (0.42) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.006 m^2/s^2 0.075 m/s 0.149 m/s 22.413 (0.28) -3.649 (-1.72) 1.950 (3.22) s (rad/s)
passenger deck forward: Abs. vert. accel 0.001 m^2/s^4 0.024 m/s^2 0.048 m/s^2 22.413 (0.28) -5.437 (-1.16) 3.790 (1.66) s (rad/s)
passenger deck forward: Rel. vert. accel 0.058 m^2/s^4 0.240 m/s^2 0.481 m/s^2 22.413 (0.28) -0.977 (-6.43) 0.937 (6.71) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.001 m^2 0.033 m 0.065 m 22.413 (0.28) 50.908 (0.12) 30.066 (0.21) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.007 m/s 0.014 m/s 22.413 (0.28) -102.340 (-0.06) 8.915 (0.70) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.005 m/s^2 0.010 m/s^2 22.413 (0.28) -3.404 (-1.85) 3.046 (2.06) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.000 m 0.000 m 22.413 (0.28) -8.801 (-0.71) 5.146 (1.22) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.000 m/s 0.000 m/s 22.413 (0.28) -3.511 (-1.79) 3.434 (1.83) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.000 m/s^2 0.000 m/s^2 22.413 (0.28) -3.255 (-1.93) 3.121 (2.01) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.016 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.059 m^2 0.243 m 0.487 m 22.413 (0.28) 32.260 (0.19) 26.779 (0.23) s (rad/s)
Bridge deck: Rel. vert. motion 0.073 m^2 0.271 m 0.542 m 22.413 (0.28) 44.433 (0.14) 22.838 (0.28) s (rad/s)
Bridge deck: Abs. vert. velocity 0.003 m^2/s^2 0.057 m/s 0.114 m/s 22.413 (0.28) 35.480 (0.18) 15.089 (0.42) s (rad/s)
Bridge deck: Rel. vert. velocity 0.006 m^2/s^2 0.075 m/s 0.149 m/s 22.413 (0.28) -3.649 (-1.72) 1.950 (3.22) s (rad/s)
Bridge deck: Abs. vert. accel 0.001 m^2/s^4 0.024 m/s^2 0.048 m/s^2 22.413 (0.28) -5.437 (-1.16) 3.790 (1.66) s (rad/s)
Bridge deck: Rel. vert. accel 0.058 m^2/s^4 0.240 m/s^2 0.481 m/s^2 22.413 (0.28) -0.977 (-6.43) 0.937 (6.71) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.004 m^2 0.059 m 0.119 m 22.413 (0.28) 50.908 (0.12) 30.066 (0.21) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.012 m/s 0.025 m/s 22.413 (0.28) -102.340 (-0.06) 8.915 (0.70) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.009 m/s^2 0.018 m/s^2 22.413 (0.28) -3.404 (-1.85) 3.046 (2.06) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.000 m 0.000 m 22.413 (0.28) -8.801 (-0.71) 5.146 (1.22) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.000 m/s 0.000 m/s 22.413 (0.28) -3.511 (-1.79) 3.434 (1.83) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.000 m^2/s^4 0.000 m/s^2 0.000 m/s^2 22.413 (0.28) -3.255 (-1.93) 3.121 (2.01) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.016 SM 0.000 % 0.000 % -- -- --

Design Speed, 17 kn; 0.354 rad; Beaufort-2 (JONSWAP: 9.981 s, 0.6 m)
Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Modal period 9.975 s -- -- -- -- --

Item m0 units RMS units Significant amplitude units Modal (peak)
T_0 (w_0)
Mean (centroid)
T_bar (w_bar)
Mean zero-crossing
T_z (w_z)
Period units
(Frequency units)
Characteristic wave height 0.600 m -- -- -- -- --
Spectrum type JONSWAP -- -- -- -- --
Wave heading 0.354 rad -- -- -- -- --
Vessel Speed 17.000 kn -- -- -- -- --
Demihull displacement 142.437 m^3 Catamaran demihull spacing 8.000 m -- -- --
Vessel GMt 57.795 m -- -- -- -- --
Vessel trim 0.000 rad -- -- -- -- --
Vessel heel 0.000 rad -- -- -- -- --
Transom method Transom terms -- -- -- -- --
Wave force method Head seas approximation -- -- -- -- --
Added res. method Salvesen -- -- -- -- --
Pitch gyradius 10.000 m -- -- -- -- --
Roll gyradius 4.800 m -- -- -- -- --
Wave spectrum 0.023 m^2 0.150 m 0.300 m 9.980 (0.63) 8.356 (0.75) 7.865 (0.80) s (rad/s)
Encountered wave spectrum 0.023 m^2 0.150 m 0.300 m 21.024 (0.30) 28.836 (0.22) 15.901 (0.40) s (rad/s)
Added resistance 1.484 kN -- -- 21.024 (0.30) 31.353 (0.20) 19.271 (0.33) s (rad/s)
Heave motion 0.019 m^2 0.138 m 0.277 m 21.024 (0.30) 23.505 (0.27) 20.239 (0.31) s (rad/s)
Roll motion 0.00001 rad^2 0.00291 rad 0.00582 rad 21.024 (0.30) -14.474 (-0.43) 5.985 (1.05) s (rad/s)
Pitch motion 0.00011 rad^2 0.01040 rad 0.02080 rad 21.024 (0.30) 40.203 (0.16) 28.059 (0.22) s (rad/s)
Heave velocity 0.002 m^2/s^2 0.043 m/s 0.086 m/s 21.024 (0.30) -83.557 (-0.08) 7.576 (0.83) s (rad/s)
Roll velocity 0.00001 (rad/s)^2 0.00306 rad/s 0.00611 rad/s 21.024 (0.30) -3.519 (-1.79) 3.392 (1.85) s (rad/s)
Pitch velocity 0.00001 (rad/s)^2 0.00233 rad/s 0.00466 rad/s 21.024 (0.30) 203.042 (0.03) 9.656 (0.65) s (rad/s)
Heave acceleration 0.001 m^2/s^4 0.036 m/s^2 0.071 m/s^2 21.024 (0.30) -3.421 (-1.84) 3.092 (2.03) s (rad/s)
Roll acceleration 0.00003 (rad/s/s)^2 0.00566 rad/s/s 0.01132 rad/s/s 21.024 (0.30) -3.215 (-1.95) 3.144 (2.00) s (rad/s)
Pitch acceleration 0.00000 (rad/s/s)^2 0.00152 rad/s/s 0.00303 rad/s/s 21.024 (0.30) -3.625 (-1.73) 3.147 (2.00) s (rad/s)
passenger deck aft: Abs. vert. motion 0.017 m^2 0.130 m 0.260 m 21.024 (0.30) 27.476 (0.23) 19.562 (0.32) s (rad/s)
passenger deck aft: Rel. vert. motion 0.013 m^2 0.116 m 0.232 m 21.024 (0.30) 137.415 (0.05) 13.677 (0.46) s (rad/s)
passenger deck aft: Abs. vert. velocity 0.002 m^2/s^2 0.042 m/s 0.084 m/s 21.024 (0.30) -18.161 (-0.35) 5.905 (1.06) s (rad/s)
passenger deck aft: Rel. vert. velocity 0.003 m^2/s^2 0.053 m/s 0.107 m/s 21.024 (0.30) -2.149 (-2.92) 1.646 (3.82) s (rad/s)
passenger deck aft: Abs. vert. accel 0.002 m^2/s^4 0.044 m/s^2 0.089 m/s^2 21.024 (0.30) -3.206 (-1.96) 3.001 (2.09) s (rad/s)
passenger deck aft: Rel. vert. accel 0.041 m^2/s^4 0.203 m/s^2 0.407 m/s^2 21.024 (0.30) -1.084 (-5.80) 1.035 (6.07) s (rad/s)
passenger deck aft: Long. (due to pitch) motion 0.001 m^2 0.029 m 0.058 m 21.024 (0.30) 40.083 (0.16) 28.046 (0.22) s (rad/s)
passenger deck aft: Long. (due to pitch) velocity 0.000 m^2/s^2 0.007 m/s 0.013 m/s 21.024 (0.30) 195.768 (0.03) 9.674 (0.65) s (rad/s)
passenger deck aft: Long. (due to pitch) accel 0.000 m^2/s^4 0.004 m/s^2 0.008 m/s^2 21.024 (0.30) -3.631 (-1.73) 3.150 (1.99) s (rad/s)
passenger deck aft: Lat. (due to roll) motion 0.000 m^2 0.008 m 0.016 m 21.024 (0.30) -14.475 (-0.43) 5.987 (1.05) s (rad/s)
passenger deck aft: Lat. (due to roll) velocity 0.000 m^2/s^2 0.009 m/s 0.017 m/s 21.024 (0.30) -3.522 (-1.78) 3.395 (1.85) s (rad/s)
passenger deck aft: Lat. (due to roll) accel 0.000 m^2/s^4 0.016 m/s^2 0.032 m/s^2 21.024 (0.30) -3.217 (-1.95) 3.146 (2.00) s (rad/s)
passenger deck aft: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck aft: SM; MSI 120 min.; MSI 60 min. 0.074 SM 0.002 % 0.000 % -- -- --
passenger deck forward: Abs. vert. motion 0.052 m^2 0.227 m 0.454 m 21.024 (0.30) 27.256 (0.23) 24.307 (0.26) s (rad/s)
passenger deck forward: Rel. vert. motion 0.061 m^2 0.247 m 0.494 m 21.024 (0.30) 35.966 (0.17) 21.935 (0.29) s (rad/s)
passenger deck forward: Abs. vert. velocity 0.003 m^2/s^2 0.059 m/s 0.117 m/s 21.024 (0.30) 27.585 (0.23) 16.049 (0.39) s (rad/s)
passenger deck forward: Rel. vert. velocity 0.005 m^2/s^2 0.071 m/s 0.142 m/s 21.024 (0.30) -4.725 (-1.33) 2.256 (2.78) s (rad/s)
passenger deck forward: Abs. vert. accel 0.001 m^2/s^4 0.023 m/s^2 0.046 m/s^2 21.024 (0.30) -7.406 (-0.85) 4.253 (1.48) s (rad/s)
passenger deck forward: Rel. vert. accel 0.039 m^2/s^4 0.197 m/s^2 0.394 m/s^2 21.024 (0.30) -1.068 (-5.88) 1.024 (6.14) s (rad/s)
passenger deck forward: Long. (due to pitch) motion 0.001 m^2 0.029 m 0.058 m 21.024 (0.30) 40.083 (0.16) 28.046 (0.22) s (rad/s)
passenger deck forward: Long. (due to pitch) velocity 0.000 m^2/s^2 0.007 m/s 0.013 m/s 21.024 (0.30) 195.768 (0.03) 9.674 (0.65) s (rad/s)
passenger deck forward: Long. (due to pitch) accel 0.000 m^2/s^4 0.004 m/s^2 0.008 m/s^2 21.024 (0.30) -3.631 (-1.73) 3.150 (1.99) s (rad/s)
passenger deck forward: Lat. (due to roll) motion 0.000 m^2 0.008 m 0.016 m 21.024 (0.30) -14.475 (-0.43) 5.987 (1.05) s (rad/s)
passenger deck forward: Lat. (due to roll) velocity 0.000 m^2/s^2 0.009 m/s 0.017 m/s 21.024 (0.30) -3.522 (-1.78) 3.395 (1.85) s (rad/s)
passenger deck forward: Lat. (due to roll) accel 0.000 m^2/s^4 0.016 m/s^2 0.032 m/s^2 21.024 (0.30) -3.217 (-1.95) 3.146 (2.00) s (rad/s)
passenger deck forward: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
passenger deck forward: SM; MSI 120 min.; MSI 60 min. 0.014 SM 0.000 % 0.000 % -- -- --
Bridge deck: Abs. vert. motion 0.052 m^2 0.227 m 0.454 m 21.024 (0.30) 27.256 (0.23) 24.307 (0.26) s (rad/s)
Bridge deck: Rel. vert. motion 0.061 m^2 0.247 m 0.494 m 21.024 (0.30) 35.966 (0.17) 21.935 (0.29) s (rad/s)
Bridge deck: Abs. vert. velocity 0.003 m^2/s^2 0.059 m/s 0.117 m/s 21.024 (0.30) 27.585 (0.23) 16.049 (0.39) s (rad/s)
Bridge deck: Rel. vert. velocity 0.005 m^2/s^2 0.071 m/s 0.142 m/s 21.024 (0.30) -4.725 (-1.33) 2.256 (2.78) s (rad/s)
Bridge deck: Abs. vert. accel 0.001 m^2/s^4 0.023 m/s^2 0.046 m/s^2 21.024 (0.30) -7.406 (-0.85) 4.253 (1.48) s (rad/s)
Bridge deck: Rel. vert. accel 0.039 m^2/s^4 0.197 m/s^2 0.394 m/s^2 21.024 (0.30) -1.068 (-5.88) 1.024 (6.14) s (rad/s)
Bridge deck: Long. (due to pitch) motion 0.003 m^2 0.053 m 0.106 m 21.024 (0.30) 40.083 (0.16) 28.046 (0.22) s (rad/s)
Bridge deck: Long. (due to pitch) velocity 0.000 m^2/s^2 0.012 m/s 0.024 m/s 21.024 (0.30) 195.768 (0.03) 9.674 (0.65) s (rad/s)
Bridge deck: Long. (due to pitch) accel 0.000 m^2/s^4 0.008 m/s^2 0.015 m/s^2 21.024 (0.30) -3.631 (-1.73) 3.150 (1.99) s (rad/s)
Bridge deck: Lat. (due to roll) motion 0.000 m^2 0.015 m 0.030 m 21.024 (0.30) -14.475 (-0.43) 5.987 (1.05) s (rad/s)
Bridge deck: Lat. (due to roll) velocity 0.000 m^2/s^2 0.016 m/s 0.031 m/s 21.024 (0.30) -3.522 (-1.78) 3.395 (1.85) s (rad/s)
Bridge deck: Lat. (due to roll) accel 0.001 m^2/s^4 0.029 m/s^2 0.058 m/s^2 21.024 (0.30) -3.217 (-1.95) 3.146 (2.00) s (rad/s)
Bridge deck: MII slide; tip f/a; tip s/s 0.000 MII/h 0.000 MII/h 0.000 MII/h -- -- --
Bridge deck: SM; MSI 120 min.; MSI 60 min. 0.014 SM 0.000 % 0.000 % -- -- --