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Chapter1 Introduction

CHAPTER 1

INTRODUCTION

1.1

Introduction

In general, a Computer Aided Design (CAD) package has three components: a) Design, b) Analysis, and c) Visualization, as shown in the sketch. A brief description of these components follows.

  • a)

    Design: Design refers to geometric modeling, i.e., 2-D and 3-D modeling, including, drafting, part creation, creation of drawings with various views of the part, assemblies of the parts, etc.

  • b)

    Analysis: Analysis refers to finite element analysis, optimization, and other number crunching engineering analyses. In general, a geometric model is first created and then the model is analyzed for loads, stresses, moment of inertia, and volume, etc.

  • c)

    Visualization: Visualization refers to computer graphics, which includes: rendering a model, creation of pie charts, contour plots, shading a model, sizing, animation, etc.

Design

Analysis

Visualization

Components of Computer Aided Design

Lecture Notes © by R. B. Agarwal

Computer Aided Design in Mechanical Engineering

1-1

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