Contents

 Preface to the Second Edition .................................................................................................................... XI

1     Introduction to ANSYS: Basics .......................................................................................................... 1

1.1     ANSYS Architecture .........................................................................................................................  4

1.2     More on the ANSYS Main Menu ....................................................................................................... 7

1.3     Another Useful Viewing Tool "Pan Zoom Rotate" Beside the Navigation Bar.................................. 18

1.4     Overview of the ANSYS Commands ................................................................................................. 19

1.4.1  Using ANSYS HELP when Needed ................................................................................................... 19

1.4.2  More on Coordinate Systems ANSYS ................................................................................................ 20

1.5     Introduction to Geometric Modeling in ANSYS ................................................................................ 24

1.6     Inputting ANSYS Command Text File When GUI is Open .............................................................. 40

1.7     How to Use Cursor Picking ................................................................................................................ 41

1.8     How to Print or Plot from ANSYS ..................................................................................................... 43

2     Cantilever Beam Bending ................................................................................................................... 47

2.1     Solution Using BEAM189 Elements (GUI Method) .........................................................................  49

2.1.1  Files Created by ANSYS in the Working Directory ........................................................................... 78

2.2     Solution Using SHELL181 Elements ................................................................................................. 78

2.3     Solution Using SOLID185 Elements .................................................................................................. 87

          Appendix-1 - Solution Using BEAM189 Elements ............................................................................ 91

          Appendix-2 - Solution Using SHELL181 Elements ........................................................................... 92

          Appendix-3 - Solution Using SOLID185 Elements ............................................................................ 94

3     Simply Supported Beam Deflection by its Self-Weight (Gravity Sag) ...........................................  95

 3.1     Solution Using BEAM189 Elements ................................................................................................. 96

 3.2     Solution Using SHELL181 Elements ................................................................................................ 103

 3.3     Solution Using SOLID185 Elements ................................................................................................. 106

          Appendix-1 - Solution Using BEAM189 Elements ............................................................................ 109

          Appendix-2 - Solution Using SHELL181 Elements ........................................................................... 110

          Appendix-3 - Solution Using SOLID185 Elements ........................................................................... 111

4    Two Pinned End Bars Subject to a Horizontal Force ........................................................................ 113

 4.1    Solution Using LINK180 Elements .................................................................................................... 115

 4.2    Solution Using BEAM188 Elements .................................................................................................. 128

          Appendix-1 - Solution Using LINK180 Elements .............................................................................. 134

          Appendix-2 - Solution Using BEAM188 Elements ............................................................................ 135

5    A Four Bar Truss ................................................................................................................................... 139

5.1     Solution Using 1D LINK180 Elements ............................................................................................... 140

          Appendix-1 - Solution Using LINK180 Elements .............................................................................. 146

6    Ten Bar Truss Problem ......................................................................................................................... 149

6.1     Solution Using LINK180 Elements ..................................................................................................... 150

          Appendix-1 - Solution Using LINK180 Elements .............................................................................. 156

7    Shipment Load Supported by Six Tie Rods ........................................................................................ 159

7.1     Solution Using LINK180 and SHELL181 Elements ........................................................................... 161

          Appendix-1 - Solution Using LINK180/SHELL181 Elements ........................................................... 166

8    A Thin Circular-Quarter Ring with Vertical Point Load ................................................................... 169

8.1     Solution Using BEAM188 Elements ................................................................................................... 170

          Appendix-1 - Solution Using BEAM188 Elements ............................................................................ 176

9    A Thin Circular-Quarter Ring Rigid Beam under Twisting Torque ................................................ 177

9.1     Solution Using BEAM189 Elements ................................................................................................... 178

          Appendix-1 - Solution Using BEAM189 Elements ............................................................................ 185

10   Pressure Vessel ...................................................................................................................................... 187

10.1   Solution Using SHELL181 Elements ................................................................................................. 188

          Appendix-1 - Solution Using SHELL181 Elements ........................................................................... 198

11   U-Shaped Bar under Opposite Opening Loads ................................................................................. 201

11.1   Solution Using PLANE182 Elements ................................................................................................. 203

          Appendix-1 - Solution Using PLANE182 Elements .......................................................................... 209

12   Solid Rotating Steel Disk (Flywheel) .................................................................................................  211

12.1   Solution Using PLANE182 Elements ................................................................................................. 212

          Appendix-1 - Solution Using PLANE182 Elements ........................................................................... 220

13   Torsional Tip Loading of a Round Bar ............................................................................................... 223

13.1   Solution Using BEAM189 Elements ................................................................................................... 224

13.2   Solution Using SOLID185 Elements ................................................................................................... 229

          Appendix-1 - Solution Using BEAM189 Elements ............................................................................. 237

          Appendix-2 - Solution Using SOLID185 Elements ............................................................................. 238

14   A Simple Shaft - Modal Analysis ......................................................................................................... 241

14.1   Solution Using BEAM188 Elements ................................................................................................... 242

14.2   Solution Using SOLID45 Elements ..................................................................................................... 246

          Appendix-1 - Solution Using BEAM188 Elements ............................................................................. 251

          Appendix-2 - Solution Using SOLID45 Elements ............................................................................... 252

15   Welded Prismatic Bar under Tensile Load ......................................................................................... 255

15.1   Solution Using SOLID45 Elements ..................................................................................................... 256

          Appendix-1 - Solution Using SOLID45 Elements ............................................................................... 263

16   A Cylindrical Composite Column under Compressive Load ............................................................ 265

16.1   Solution Using PLANE182 Elements .................................................................................................. 267

16.2   Solution Using SOLID185 Elements ................................................................................................... 273

          Appendix-1 - Solution Using PLANE182 Elements ............................................................................ 282

          Appendix-2 - Solution Using SOLID185 Elements ............................................................................. 284

17   Transverse Natural Frequencies of Rectangular Beam ..................................................................... 287

17.1   Solution Using BEAM4/MASS21 Elements ........................................................................................ 288

         Appendix-1 - Solution Using BEAM4/MASS21 Elements .................................................................. 294

18   Natural Frequency of Longitudinal Motion of the Long Rectangular Beam .................................. 297

18.1   Solution Using BEAM188/COMBIN14 Elements ............................................................................... 298

         Appendix-1 - Solution Using BEAM188/COMBIN14 Elements ......................................................... 303

19   The Cantilever Beam Contacting a Linear Spring ............................................................................. 305

19.1   Solution Using BEAM188/COMBIN14 Elements ............................................................................... 306

         Appendix-1 - Solution Using BEAM188/COMBIN14 Elements .......................................................... 313

20   A Tank of Water with Hydrostatic Pressure under Gravity and Vertical Acceleration.................. 315

20.1   Solution Using FLUID80 Elements ..................................................................................................... 316

          Appendix-1 - Solution Using FLUID80 Elements ............................................................................... 322

21   Hydrostatic Loading of Conical Tin-Walled Shell Tank .................................................................... 325

21.1   Solution Using SHELL208 Elements .......................................................................................... ........ 327

          Appendix-1 - Solution Using SHELL208 Elements ............................................................................ 334

22   Different Materials of Two-Equal-Thickness Beams Bonded Together under Thermal

       Expansion ............................................................................................................................................... 337

22.1   Solution Using PLANE182 Elements .................................................................................................. 338

          Appendix-1 - Solution Using PLANE182 Elements ............................................................................ 342

23   A 1D Fin Steady State and Transient Thermal Analyses ................................................................... 345

23.1   Steady State Solution Using SOLID70 or SOLID278 Elements .......................................................... 349

23.2   Transient Solution Using SOLID70 or SOLID278 Elements ............................................................... 354

          Appendix-1 - Steady State Solution Using SOLID70 /SOLID278 Elements ....................................... 359

          Appendix-2 - Transient Solution Using SOLID70/SOLID278 Elements ............................................. 361

24   Round and Tapered Cone Bar Under Thermal Load ......................................................................... 363

24.1   Solution Using BEAM188 Elements .................................................................................................... 364

24.2   Solution Using PLANE42 Elements ..................................................................................................... 367

24.3   Solution Using SOLID45 Elements ...................................................................................................... 370

          Appendix-1 - Solution Using BEAM188 Elements ............................................................................. 373

          Appendix-2 - Solution Using PLANE42 Elements .............................................................................. 375

          Appendix-3 - Solution Using SOLID45 Elements ............................................................................... 376

25   Two Cylinders with Different Material Properties under Comp. and Thermal Load .................... 379

25.1   Solution Using SOLID45/TARGE170/CONTA173 Elements ............................................................. 380

          Appendix-1 - Solution Using SOLID45/TARGE170/CONTA173 Elements ...................................... 386

26   Analysis of Spherical Dome .................................................................................................................. 389

26.1   Solution Using SHELL208 Elements .................................................................................................. 391

26.2   Solution Using SHELL281 Elements .................................................................................................. 396

          Appendix-1 - Solution Using SHELL208 Elements ............................................................................ 403

          Appendix-2 - Solution Using SHELL281 Elements ............................................................................ 404

27   Press Fit Analysis of Shaft and Hub..................................................................................................... 407

27.1   Solution Using PLANE182/TARGE169/CONTA171 Elements ......................................................... 409

          Appendix-1 - Solution Using PLANE182/TARGE169/CONTA171 Elements .................................. 414

28   Elastic-Plastic Uniaxial Loading/Unloading of Square Bar ............................................................. 417

28.1   Solution Using BEAM188 Elements .................................................................................................. 419

          Appendix-1 - Solution Using BEAM188 Elements............................................................................. 429

29   Helical Welded Thin-Walled Shell Pipe .............................................................................................. 431

29.1   Solution Using SHELL181 Elements .................................................................................................. 433

         Appendix-1 - Solution Using SHELL181 Elements ............................................................................ 442

30   Helical Compression Spring ................................................................................................................ 445

30.1   Solution Using PIPE16 Elements ........................................................................................................ 447

          Appendix-1 - Solution Using PIPE16 Elements .................................................................................. 453

31   Composite Laminate with [0/902/0]T Ply Orientation under Uniaxial Tensile Loading................. 455

31.1   Solution Using SHELL281 Elements .................................................................................................. 459

          Appendix-1 - Solution Using SHELL281 Elements ........................................................................... 468

32   The Jeffcott Rotor - Rotor Dynamics ................................................................................................. 471

32.1   Solution Using BEAM188 Elements .................................................................................................. 472

32.2   Solution Using SOLID45 Elements .................................................................................................... 479

          Appendix-1 - Solution Using BEAM188 Elements ............................................................................ 486

          Appendix-2 - Solution Using SOLID45 Elements ............................................................................. 488

33   Cyclic Symmetry Analysis of a Rotating Structure .......................................................................... 491

33.1   Solution Using Full Model and SOLID45 Elements .......................................................................... 493

33.2   Solution Using Single Sector (Cyclic Symmetry Analysis) and SOLID45 Elements ....................... 498

          Appendix-1 - Solution Using Full Model with SOLID45 Elements .................................................. 506

          Appendix-2 - Solution Using Single Sector with SOLID45 Elements .............................................. 507

34   The Pinned Rigid Bar Supported by a Steel Rod and a Linear Spring ......................................... 509

34.1   Solution Using BEAM188/COMBIN14/LINK180 Elements ............................................................ 511

          Appendix-1 - Solution Using BEAM188/COMBIN14/LINK180 Elements ..................................... 517

35   S-Hook Stress Analysis ....................................................................................................................... 519

35.1   Solution Using SOLID185 Elements ................................................................................................ 520

          Appendix-1 - Solution Using SOLID185 Elements .......................................................................... 523

36   I-Beam Uniform Loading Analysis ................................................................................................... 525

36.1   Solution Using BEAM188 Elements ................................................................................................. 526

          Appendix-1 - Solution Using BEAM188 Elements ........................................................................... 533

37   Torque Transmission on Solid and Hollow Shafts ........................................................................... 537

37.1   Solution Using BEAM188 ................................................................................................................. 539

          Appendix-1 - Solution Using BEAM188 Elements .......................................................................... 541

38   Steel-Rod Reinforced Concrete Column Analysis ........................................................................... 543

38.1   Solution Using BEAM188/REINF264/SOLID185 Elements ........................................................... 545

38.2   Solution Using LINK180/SOLID65/SOLID185 Elements ............................................................... 550

          Appendix-1 - Solution Using BEAM188/REINF264/SOLID185 Elements ..................................... 556

          Appendix-2 - Solution Using LINK180/SOLID65/SOLID185 Elements ......................................... 558

39   Pre-Stressed Concrete Beam .............................................................................................................. 561

39.1   Solution Using LINK180 and SOLID65 Elements ........................................................................... 564

          Appendix-1 - Solution Using LINK180/SOLID65 Elements ........................................................... 569

40   Pre-Loaded Bolt-Nut Connection ..................................................................................................... 571

40.1   Solution Using SOLID185/PRETS179/TARGE170/CONTAC175 Elements ................................. 573

          Appendix-1 - Solution Using SOLID185/PRETS179/TARGE170/CONTAC175 Ele..................... 582

41   Coupled Thermal and Structural Analysis of Thick Shell Case ................................................... 587

41.1   Steady State Solution Using SOLID90 or SOLID186 Elements ..................................................... 589

          Appendix-1 - Solution Using SOLID90 or SOLID186 Elements ................................................... 601

Appendix - What If I want to use an ANSYS Element or a Command, NOT SUPPORTED

in the Latest Version of ANSYS? ........................................................................................................... 605

References ................................................................................................................................................ 607

Index ......................................................................................................................................................... 609

ANSYS Elements Used in this Book ........................................................................................................ 611