JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

UNIT - I

Principles of Computer Graphics : Introduction, graphic primitives, point plotting, lines, Bresenham’s circle algorithm, ellipse, transformation in graphics, coordinate systems, view port, 2D and 3D transformation, hidden surface removal, reflection, shading and generation of characters.

UNIT - II

Cad Tools: Definition of CAD Tools, Types of system, CAD/CAM system evaluation criteria, brief treatment of input and output devices. Graphics standard, functional areas of CAD, Modeling and viewing, software documentation, efficient use of CAD software. Geometric modelling: Types of mathematical representation of curves, wire frame models wire frame entities parametric representation of synthetic curves her mite cubic splines Bezier curves B-splines rational curves.

UNIT - III

Surface Modeling: Mathematical representation surfaces, Surface model, Surface entities surface representation, parametric representation of surfaces, plane surface, rule surface, surface of revolution, Tabulated Cylinder.

UNIT - IV

Parametric Representation of Synthetic Surfaces: Hermite Bicubic surface, Bezier surface, B- Spline surface, COONs surface, Blending surface Sculptured surface, Surface manipulation — Displaying, Segmentation, Trimming, Intersection, Transformations (both 2D and 3D).

UNIT - V

Geometricmodelling-3D: Solid modeling, Solid Representation, Boundary Representation (13-rep), Constructive Solid Geometry (CSG). CAD/CAM Exchange: Evaluation of data -exchange format, IGES data representations and structure, STEP Architecture, implementation, ACIS & DXF. Design Applications: Mechanical tolerances, Mass property calculations, Finite Element Modeling and Analysis and Mechanical Assembly.

Collaborative Engineering: Collaborative Design, Principles, Approaches, Tools, Design Systems.

REFERENCES:

• 1. CAD/CAM Concepts and Applications/ Alavala/ PHI
• 2. CAD/CAM /Groover M.P./ Pearson education
• 3. Mastering CAD/CAM / IbrhimZeid / McGraw Hill International.
• 4. CAD/CAM Principles and Applications/ P.N.Rao/TMH/3rd Edition
• 5. CAD / CAM / CIM, Radhakrishnan and Subramanian/ New Age
• 6. Principles of Computer Aided Design and Manufacturing/ Farid Amirouche/ Pearson
• 7. Computer Numerical Control Concepts and programming/ Warren S Seames/ Thomson.