Computer Aided Mechanical Design

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Presentation transcript:

Computer Aided Mechanical Design History at Rice Tasks Reports Tools Copyright © 2003 J. E. Akin Rice University, MEMS Dept.

J. E. Akin Rice University, MEMS Dept. ME CAD Tasks Geometric Modelling Finite Element Analysis [FEA] Computational Fluid Dynamics [CFD] Drafting, Rapid Prototypes [STL] Parts, Assemblies, Constraints Mechanisms Copyright © 2003 J. E. Akin Rice University, MEMS Dept.

J. E. Akin Rice University, MEMS Dept. ME CAD Tasks Continuous System Models & Controls Function Optimization Shape Optimization Topological Optimization Documentation Manufacturing … Copyright © 2003 J. E. Akin Rice University, MEMS Dept.

Finite Element Analysis Thermal Stress Natural Frequencies Dynamic Response Buckling Endurance CFD … Copyright © 2003 J. E. Akin Rice University, MEMS Dept.

Documentation and Reports Design report Mass properties Bill of materials Assembly, operations Engineering economics Patents Marketing ... Copyright © 2003 J. E. Akin Rice University, MEMS Dept.

J. E. Akin Rice University, MEMS Dept. Geometric Modeling Curve models [wiring] Surface models Solid models Sheet metal Wireframes, shading, drafting FE modeling Copyright © 2003 J. E. Akin Rice University, MEMS Dept.

J. E. Akin Rice University, MEMS Dept. FE Modeling Line meshes Surface meshes Solid meshes Loads Restraints Copyright © 2003 J. E. Akin Rice University, MEMS Dept.

J. E. Akin Rice University, MEMS Dept. Commercial Product Geometric systems Finite Element Analysis (FEA) systems Computational Fluid Dynamics (CFD) systems Mechanism analysis… Copyright © 2003 J. E. Akin Rice University, MEMS Dept.

J. E. Akin Rice University, MEMS Dept. CAD Tools Text editor, spread sheet, search engine ME environments (Matlab…) Computer languages Optimization tools [functions, shapes] Knowledge based systems (KBS) Electronic reference books Patents … Copyright © 2003 J. E. Akin Rice University, MEMS Dept.

J. E. Akin Rice University, MEMS Dept. Computer Languages Procedural languages Basic, C, C++, F95, Pascal, perl, … Visual Basic, Visual C, Visual Fortran, … Non-procedural languages Case selectors (TK Solver) Simulation standards (CSSL) Copyright © 2003 J. E. Akin Rice University, MEMS Dept.

J. E. Akin Rice University, MEMS Dept. Optimization Tools User-defined functions (OptdesX) Procedural language interface Executable program interface Limited parametric items in FEA (Ideas, Ansys) Topological optimization (shapes) Copyright © 2003 J. E. Akin Rice University, MEMS Dept.