Computer Aided Design
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Follow on Instagram for UpdatesComputer Aided Design Syllabus — Unit-wise Content
The official GTU curriculum for Computer Aided Design (subject code DI04065041) as prescribed for ME( · Semester 4 divides the course into 5 units, covering 31 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (DI04065041)Unit 1 Introduction
- basic concepts
- definitions, and applications of CAD. 1.2 Need for CAD, key features
- benefits, and functional areas. 1.3 Design steps in a CAD system and reasons for its implementation. 1.4 Common CAD software and their main features. 1.5 Coordinate systems: Working
- Model, and Screen
Unit 2 CAD Standards and Geometric Transformations
- 2.1 Graphic standards: need
- system requirements, and applications
- introduction to GUI— concept
- meaning, and features. 2.2 CAD/CAM data exchange: need
- format types
- IGES structure, and STEP implementation. 2.3 2D Geometric Transformations: translation
- homogeneous coordinates, and composite transformations with examples. 2.4 3D Geometric Transformations: translation
- scaling, and reflection (theory only)
Unit 3 Lines, Curves and Surfaces
- 3.1 Line and curve generation algorithms: DDA and Bresenham for lines (with examples)
- Bresenham for circles (no example). 3.2 Parametric
- analytic (Line
- ellipse), and synthetic curves (Cubic Spline
- Bezier Curve
- B-Splines): concepts
- properties, and w.e.f. 2025-26 http://syllabus.gtu.ac.in/ Page no. 3 of 5 Program Name: Diploma Engineering Level: Diploma Branch: Mechanical Engineering (CAD/CAM) Subject Code : DI04065041 Subject Name : Computer Aided Design applications (only theory). 3.3 Parametric representation of surfaces: analytical (plane
- tabulated) and synthetic (Bezier
- B- spline) (only theory)
Unit 4 Representation of solids
- 4.1 Concept and relation between Geometry and Topology. 4.2 Comparison of wireframe
- surface, and solid models
- including solid model properties. 4.3 Solid model representation schemes: B-rep, CSG, sweep
- primitive instancing, and cell decomposition. 4.4 Feature based modelling
Unit 5 Finite Element Analysis
- 5.1 Basic procedure for solving problems using Finite Element Analysis (FEA). 5.2 1-D FEA: shape functions
- natural coordinates (theory)
- strain–displacement matrix
- stiffness matrix derivation (elimination approach and penalty approach), and its properties. 5.3 1-D thermal problems (Introductory level). 5.4 FEA software
- element types
- boundary conditions, and basic steps for problem-solving using FEA packages
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