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CAE
CAE
CAE
CAE
CAE
CAE
CAE
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Transcript

  • 1. CAE
    • Computer-aided engineering (often referred to as CAE) is the use of information technology to support engineers in tasks such as
    • Analysis
    • Simulation
    • Design
    • Planning
    • Diagnosis, and repair.
    • Software tools that have been developed to support these activities are considered CAE tools. CAE tools are being used, for example ,
    • Analyze the robustness and performance of components and assemblies.
    • Encompasses simulation, validation, and optimization of products and manufacturing tools.
    • In the future, CAE systems will be major providers of information to help support design teams in decision making
  • 2. APPLICATION OF CAE
    • Stress analysis on components and assemblies using FEA (Finite Element Analysis);
    • Thermal and fluid flow analysis Computational fluid dynamics (CFD);
    • Kinematics;
    • Mechanical event simulation (MES).
    • Analysis tools for process simulation for operations such as casting, molding, and die press forming.
    • In general, there are three phases in any computer-aided engineering task:
    • Pre-processing – defining the model and environmental factors to be applied to it. (typically a finite element model, but facet, voxel and thin sheet methods are also used)
    • Analysis solver (usually performed on high powered computers)
    • Post-processing of results (using visualization tools)
  • 3. CAE IN THE AUTOMOTIVE INDUSTRY
    • Reduce product development cost
    • Reduce time of testing
    • Improving the safety, comfort, and durability of the vehicles
    • Design verification
    • computer simulations rather than physical prototype testing.
  • 4. SOFTWARE FOR CAE
    • Software for Automotive crashworthiness and Occupant safety .
    • Altair RADIOSS,
    • LSTC’s LS-DYNA,
    • Cranes CAE suite [1]
    • ESI’s PAM-CRASH .
  • 5.
    • Software used in a variety of structural and dynamic analysis tasks
    • Eta/VPG,
    • NISA [2],
    • Altair HyperWorks[3],
    • BETA CAE Systems' [4],
    • MSC’s Patran,
    • MSC’s ADAMS,
    • LMS's Virtual.Lab [5],
    • SIMPACK [6],
    • NEi Nastran
    • UGS’s Scenario
    • Nastran packages
  • 6. Software used to analyze functional performance of multi-disciplinary systems . LMS's AMESim .
  • 7. LIMITATIONS OF CAE
    • Physical testing is still used as a final confirmation for subsystems due to the fact that CAE cannot predict all variables in complex assemblies (i.e. metal stretch, thinning

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