computer aided design and computer aided engineering.pptx

elective

1. CME372: CAD and CAE (T&P) III YEAR/V SEM PRESENTED BY I.Ayyanraj AP/MECH SUBJECT PRESENTATION

2. SYLLABUS UNIT – I FUNDAMENTALS OF COMPUTER GRAPHICS 6 Design process - Computer Aided Design – Computer graphics – co-ordinate systems- 2D and 3D transformations - Graphic primitives (point, line, circle drawing algorithms) - Clipping- viewing transformation. Standards for computer graphics UNIT – II GEOMETRIC MODELING 6 Representation of curves - Hermite cubic spline curve, Bezier curve, B- spline curves, Surface Modeling – Surface Entities, Representation of Surface, Bezier Surface, B- Spline Surface and Coons Surface. Solid Modeling - Solid Entities, Solid Representation, Boundary Representation (B-Rep), Sweeps Representation, Constructive Solid Geometry (CSG). UNIT – III VISUAL REALISM and CAD STANDARDS 6 Need for hidden surface removal, The Depth - Buffer Algorithm, Properties that help in reducing efforts, Scan Line coherence algorithm, Span - Coherence algorithm, Area-Coherence Algorithms, Warnock’s Algorithm, Priority Algorithms– shading – coloring – computer animation. Standards for computer graphics- Graphical Kernel System (GKS) - standards for exchange images- Open Graphics Library (OpenGL) - Data exchange standards - IGES, STEP, CALS etc.

3. UNIT – IV FINITE ELEMENT ANALYSIS 6 Historical Background – Weighted Residual Methods - Basic Concept of FEM – Variational Formulation of Boundary Value Problems – Ritz Method – Finite Element Modelling – Element Equations – Linear and Higher order Shape functions – Bar, Beam Elements –Applications to Heat Transfer problems. UNIT – V NON-LINEAR ANALYSIS 6 Introduction to Non-linear problems - some solution techniques- computational procedure- material non-linearity-Plasticity and visco -plasticity, stress stiffening, contact interfaces- problems of gaps and contact - geometric non-linearity - modeling considerations - Free and Mapped meshing -Mesh quality- Error estimate- Introduction to Analysis Software. TOTAL:30 PERIODS CAD & CAE LABORATORY Experiments 1. Design and animate Piston Cylinder assembly and motion study using CAD software. 2. Design and simulate Connecting rod and crank shaft using CAD software. 3. Design and simulate Two Cylinder Engine assembly using CAD software. 4. Coupled Simulation of structural /thermal analysis 5. Harmonic, Transient and spectrum analysis of simple systems. 6. buckling analysis TOTAL:30 PERIODS

4. OBJECTIVES Applying the fundamental concepts of computer graphics and its tools in a generic framework. Creating and manipulating geometric models using curves, surfaces, and solids. Applying concept of 3D modeling, visual realism, and CAD standard practices in engineering design Developing mathematical models for Boundary Value Problems and their numerical solution. Formulating solution techniques to solve non-linear problems

5. OUTCOMES Discuss the fundamental concepts of computer graphics and its tools in a generic framework . Create and manipulate geometric models using curves, surfaces and solids. Discuss concept of 3D modeling , visual realism and standard CAD practices in engineering design. Develop the mathematical models for one dimensional finite element problems and their numerical solutions. Formulate solution techniques to solve non-linear problems.

6. BOOKS TEXT BOOK

7. UNIVERSITY QUESTION cad.pdf FEA.pdf

8. SUBJECT ANALYSIS REPORT Theory cum lab Combination of two subjects from 2017 regulation(CAD and FEA)

9. Students Analysis Report Group A – 3 Group B – 2 Group C – 2 Group D - 13

10. GROUP A : S . Krishnaraj A. Ramanathan D . Beniyal Arputharaj GROUP B: 4 ) G. Kasi Vishwanathan 5 ) S. Thirumalaikumaran GROUP C: 6) M. Vimal Raj 7) S. Mathan GROUP D : 8 ) X. Aswin Antony 9 ) K. Hariharan 10 ) K. Karthigailumar 11 ) P. Mathavan 12 ) S. Mukesh Kanna 13 ) K. Murugan 14 ) A. Nagarajan 15 ) A. Rexson 16 ) K. Sakthivel 17) M. Sakthivel 18 ) M. Siva 19 ) M. Arun Mathan 20 ) P. Selvakumar