Introduction literature Review Finite Element Analysis Of Tray Cover Design For Digital Versatile Disc Player.

v TABLE OF CONTENTS Abstrak i Abstract ii Dedication iii Acknowledgement iv Table of Content v List of Figures ix List of Tables xii List Abbreviations, Symbols and Nomenclatures xiii

CHAPTER 1: Introduction

1.1 Introduction 1 1.2 Problem Statement 3 1.3 Objective 3 1.4 Scope 4

CHAPTER 2: literature Review

2.1 DVD Player

5 2.2 Metal Part 6

2.3 Plastic Part

6 2.3.1 Thermosetting 7 2.3.2 Thermoplastic 8 vi 2.3.3 Styrene Acrylonitrile SAN Plastic 9 2.3.4 Material Properties and graph stress-strain 9

2.4 Plastic process

11 2.4.1 Rapid Prototype 11 2.5 Engineering Design 12 2.5.1 Computer Aided Design CAD 13 2.5.2 Computer Aided Engineering CAE 13 2.6 Computer Flow Dynamic CFD 15 2.6.1 Multibody Dynamic MBD 15 2.6.2 Finite Element Method FEM 16 2.6.3 Pre-processing 17 2.6.4 Numerical 17 2.6.5 Post-processing 17 2.7 Linear Static Analysis 18 2.7.1 Stiffness Matrix for a single truss element 19 2.7.2 Torsion 21 2.7.3 Stress and Strain 21 2.7.3.1 Elastic deformation 22 2.7.3.2 Plastic deformation 23 2.8 Tray cover 23 2.8.1 Tray Cover hook 24 2.8.2 Snap fit 24 2.8.3 Cantilever beam snap-fit 25 vii

CHAPTER 3: Methodology