01_Getting to know lightweight design_rifa_SoSe2024-part-13.pdf

Plastics light weight

1. © TechnischeHochschuleRosenheim, 18 March 2024, Page 40
Faculty of Engineering
Advanced Lightweight Construction
An important approach of structures in nature is the so called hierarchic organization of
parts, which can be split in:
•Macroscopic (> 10 mm) →Topology
•Mesoscopic (0,1 mm –10 mm) →Lattice Design
•Microscopic (< 0,1 mm) →Microstructure
Source: ENGELBRECHT ET AL.undREINHART &TEUFELHART
New possibilities for
lightweight design
Macroscopic
Adapted core structure
Microscopic
Aluminium particles in PA12-Matrix
Mesoscopic
Honeycomb structures
Designing structural parts with lightweight design
Biomimetic for structural parts

2. © TechnischeHochschuleRosenheim, 18 March 2024, Page 41
Faculty of Engineering
Advanced Lightweight Construction
Mass reduction based on using Functional oriented growing
-Another big topic of nature is the high flexibility
-For acting against changes nature developed two
approaches:
•Removing material (like in plants and trees)
•Rebuilding of material (like in bones)
→Baseline for Computer Aided Optimisation (CAO)
Source: DEGISCHER &LÜFTL2009; bionikvitrine.de
Designing structural parts with lightweight design
Biomimetic for structural parts