Finite Element Simulations with ANSYS Workbench

Finite Element Simulations with ANSYS Workbench 19 – Images Only
Theory, Applications, Case Studies
Huei-Huang Lee
Contents
Contents 1
Preface 4
Chapter 1 Introduction 9
1.1 Case Study: Pneumatically Actuated PDMS Fingers 10
1.2 Structural Mechanics: A Quick Review 24
1.3 Finite Element Methods: A Concise Introduction 35
1.4 Failure Criteria of Materials 40
1.5 Review 47
1.6 Appendix: An Unofficial History of ANSYS 51
Chapter 2 Sketching 56
2.1 W16x50 Beam 57
2.2 Triangular Plate 70
2.3 More Details 81
2.4 M20x2.5 Threaded Bolt 92
2.5 Spur Gears 97
2.6 Microgripper 103
2.7 Review 107
Chapter 3 2D Simulations 109
3.1 Triangular Plate 110
3.2 Threaded Bolt-and-Nut 125
3.3 More Details 140
3.4 Spur Gears 151
3.5 Structural Error, FE Convergence, and Stress Singularity 157
3.6 Review 170
Chapter 4 3D Solid Modeling 172
4.1 Beam Bracket 173
4.2 Cover of Pressure Cylinder 179
4.3 Lifting Fork 190
4.4 More Details 197
4.5 LCD Display Support 203
4.6 Review 207 Contents 2
Chapter 5 3D Simulations 209
5.1 Beam Bracket 210
5.2 Cover of Pressure Cylinder 219
5.3 More Details 227
5.4 LCD Display Support 231
5.5 Review 236
Chapter 6 Surface Models 238
6.1 Bellows Joints 239
6.2 Beam Bracket 249
6.3 Gearbox 256
6.4 Review 269
Chapter 7 Line Models 271
7.1 Flexible Gripper 272
7.2 3D Truss 283
7.3 Two-Story Building 295
7.4 Review 309
Chapter 8 Optimization 311
8.1 Flexible Gripper 312
8.2 Triangular Plate 323
8.3 Review 329
Chapter 9 Meshing 330
9.1 Pneumatic Fingers 331
9.2 Cover of Pressure Cylinder 346
9.3 Convergence Study of 3D Solid Elements 353
9.4 Review 365
Chapter 10 Buckling and Stress Stiffening 367
10.1 Stress Stiffening 368
10.2 3D Truss 379
10.3 Beam Bracket 383
10.4 Review 387
Chapter 11 Modal Analysis 389
11.1 Gearbox 390
11.2 Two-Story Building 395
11.3 Compact Disk 402
11.4 Guitar String 410
11.5 Review 417
2 Contents Contents 3
Chapter 12 Transient Structural Simulations 419
12.1 Basics of Structural Dynamics 420
12.2 Lifting Fork 429
12.3 Harmonic Response Analysis: Two-Story Building 441
12.4 Disk and Block 448
12.5 Guitar String 456
12.6 Review 466
Chapter 13 Nonlinear Simulations 468
13.1 Basics of Nonlinear Simulations 469
13.2 Translational Joint 481
13.3 Microgripper 495
13.4 Snap Lock 508
13.5 Review 524
Chapter 14 Nonlinear Materials 526
14.1 Basics of Nonlinear Materials 527
14.2 Belleville Washer 536
14.3 Planar Seal 553
14.4 Review 568
Chapter 15 Explicit Dynamics 570
15.1 Basics of Explicit Dynamics 571
15.2 High-Speed Impact 577
15.3 Drop Test 587
15.4 Review 599
Index 601
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