Page 10 - Finite Element Modeling and Simulations with ANSYS Workbench

Contents ix

9.3.2 Thermal Stress Analysis .............................................................................306
9.4 Case Studies with ANSYS Workbench .....................................................................308
9.5 Summary ....................................................................................................................330
9.6 Review of Learning Objectives ...............................................................................330
Problems ................................................................................................................................330

10. Introduction to Fluid Analysis ........................................................................................337
10.1 Introduction ...............................................................................................................337
10.2 Review of Basic Equations .......................................................................................337
10.2.1 Describing Fluid Motion .............................................................................337
10.2.2 Types of Fluid Flow .....................................................................................337
10.2.3 Navier–Stokes Equations ............................................................................338
10.3 Modeling of Fluid Flow ............................................................................................339
10.3.1 Fluid Domain ...............................................................................................339
10.3.2 Meshing .........................................................................................................339
10.3.3 Boundary Conditions ..................................................................................339
10.3.4 Solution Visualization .................................................................................340
10.4 Case Studies with ANSYS Workbench .....................................................................341
10.5 Summary ....................................................................................................................368
10.6 Review of Learning Objectives ...............................................................................368
Problems ................................................................................................................................368

11. Design Optimization .........................................................................................................373
11.1 Introduction ...............................................................................................................373
11.2 Topology Optimization ............................................................................................373
11.3 Parametric Optimization ......................................................................................... 374
11.4 Design Space Exploration for Parametric Optimization ..................................... 374
11.4.1 Design of Experiments ................................................................................375
11.4.2 Response Surface Optimization ................................................................377
11.5 Case Studies with ANSYS Workbench .....................................................................377
11.6 Summary .................................................................................................................... 415
11.7 Review of Learning Objectives ............................................................................... 415
Problems ................................................................................................................................ 415

12. Failure Analysis .................................................................................................................. 419
12.1 Introduction ............................................................................................................... 419
12.2 Static Failure .............................................................................................................. 419
12.2.1 Ductile Failure .............................................................................................. 419
12.2.1.1 Maximum Shear Stress Theory (Tresca Criterion) .................. 419
12.2.1.2 Distortion Energy Theory (von Mises Criterion) .....................420
12.2.2 Brittle Failure ................................................................................................420
12.2.2.1 Maximum Normal Stress Theory ..............................................420
12.2.2.2 Mohr–Coulomb Theory ..............................................................420
12.3 Fatigue Failure ...........................................................................................................421
12.3.1 Soderberg Failure Criterion ........................................................................422
12.3.2 Goodman Failure Criterion ........................................................................422
12.3.3 Gerber Failure Criterion ..............................................................................423
12.4 Buckling Failure ........................................................................................................424
12.5 Case Studies with ANSYS Workbench .....................................................................425