Unit 1 Introduction

• Conventional and Computer aided design processes
• Product Life 2 05 Program Name: Master of Engineering Level: PG Branch: Machine Design Course / Subject Code : ME01000481 Course / Subject Name : Computer Aided Design Cycle and Role of CAD, Applications of CAD

Unit 2 Principles of Computer Graphics

8 lecture hours

• graphic primitives
• Plotting of analytical Curves
• Coordinate systems
• Half-Spaces and Homogeneous Coordinates
• Scaling and Shear) and 3D transformation (Translations
• Orthographic and Perspective Projections)
• Windows to View port transformation

Unit 3 Curves

9 lecture hours

• Introduction to curves
• parametric continuity condition
• geometric continuity condition
• Spline representation
• Hermite Curves (Algebraic and Geometric Forms
• Basis Functions
• Matrix Form
• Tangent Vectors
• Truncating and Sub-dividing
• 3-point and 4-point interpolation)
• Bézier Curves (Bézier basis functions
• control points
• composite Bézier curve
• characteristics of Bézier curve)
• B-Spline Curves (Uniform and Non-uniform B-Spline basis function
• Quadratic and Cubic B-Spline basis function
• Closed B- Spline Curve
• Representation of conics with NURBS)

Unit 4 Surfaces

7 lecture hours

• Implicit and explicit function of surfaces
• types of surfaces
• Surface Representation
• Surface Analysis (Tangent
• Distance Calculation
• Tangent Plane)
• Plane Surface
• Ruled Surface
• Surfaces of Revolution
• Tabulated Surfaces
• Hermite Bi-cubic surface
• Bézier Surface
• Coons Surface

Unit 5 Solids

5 lecture hours

• Solid Representation
• Properties of Solid model
• Regularized Boolean set operations
• Primitive instancing
• Sweep representations
• Comparison of representations

Unit 6 Advanced Topics

11 lecture hours

• Feature Based Modelling: Features and primitives
• Feature entities
• Feature representation
• creating features
• Relations and constraints
• Feature manipulations Geometric and Mass Properties: Geometric Properties
• Calculate length of contours and curves
• Calculate areas
• Calculate centroids
• Calculate inertia properties
• Mass Properties
• Properties Evaluation
• Assembly Modelling: Differences between part and assembly modelling
• Mating conditions
• Bottom-up assembly modelling approach
• Top-down assembly modelling approach
• WCS and mate methods to assemble parts
• Managing assemblies
• Working with subassemblies
• Assembly Program Name: Master of Engineering Level: PG Branch: Machine Design Course / Subject Code : ME01000481 Course / Subject Name : Computer Aided Design analysis

Unit 7 CAD Database

• Evaluation of data exchange format
• IGES data representations and structure
• STEP Architecture
• ACIS & DXF. 03 05