Introduction to cad



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Designing with CAD software 1

Andijan Machine-Building institute Faculty: Technological process management and computer systems Direction: Automation and control of production of technological processes Yakubov Javohirmirzo Group №: 338-19

Theme: Designing with CAD software

Plan:

  • Plan:
  • What is CAD?
  • 2. ASPECTS OF CAD
  • 3. LIST OF REFERENCE BOOKS
  • 1.WHAT IS CAD?
    • Integration of CS techniques in engineering design
    • Use of computers(hardware & software)for designing products
    • Numerical method, optimizations etc.
    • 2D/3D drafting
    • 3D modeling for visualization
    • Modeling curves,surfaces,solids,mechanism,assemblies,etc.

ANALYSIS

  • ANALYSIS
    • Stress (deflection analysis,I.e. numerical methods,FEM
    • Simulation of actual use
    • Optimizations
    • Applications
    • CAD/CAM integration
    • Process planning

2. ASPECTS OF CAD

  • Modeling
  • Display/visualization
  • Applications
  • MODELING
    • Definition of objects
    • Relation between objects
    • Properties
    • Orientations in suitable co-ordinate system
    • Modification of existing definition (editing)

DISPLAY VISULIAZITION AIDS

  • DISPLAY VISULIAZITION AIDS
    • Display of model objects
    • Mapping objects onto screen coordinates
    • Surface display,shading
    • Projections
    • Hidden line removal when multiple surfaces are displayed

REQUIREMENTS OF MODELING

  • Solids are modeled by storing information of constituent surfaces
  • This help in
    • Displaying surfaces(3D)
    • Computing solid properties
    • Modeling by storing info.on bounding curves or by storing their geometric definitions

DATA BASES FOR CAD

  • Volume
  • Plane surfaces
  • Warped surfaces
  • curves
  • Net of curves
  • patch
  • point
  • Is bounded by
  • Is boundary of
  • Consist of
  • Belongs to
  • Belongs to
  • Has boundary curve
  • Is chain of
  • Makes up
  • precedes
  • succeeds
  • Has end point
  • Is the end of
  • Has starting point
  • delimits
  • surface
  • Curve segment

3. LIST OF REFERENCE BOOKS

  • Principal of interactive CG by Newman & sprawl*
  • Geometric modeling by Mortenson*
  • Fundamental of ICG by Foley & van dam
  • Procedural elements of CG by Rogers*
  • Mathematical elements of CG by Rogers and Adams
  • Principal of CG by Hearn & baker
  • Computer graphics,A programming approach by Steven & Harrington

An introduction to FE computations by Hinton & Owen

  • An introduction to FE computations by Hinton & Owen
  • An introduction to FE in engineering* by Chandrupatla & Belegundu
  • Zincowicz (3C)
  • Zincowicz & taylor (4C)

THANK YOU EVERYBODY!


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