ANSYS Commands
Reference
ANSYS Release 9.0
002114
November 2004
ANSYS, Inc. is a
UL registered
ISO 9001: 2000
Company.
ANSYS Commands Reference
ANSYS Release 9.0
ANSYS, Inc.
Southpointe
275 Technology Drive
Canonsburg, PA 15317
ansysinfo@ansys.com
http://www.ansys.com
(T) 724-746-3304
(F) 724-514-9494
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Table of Contents
1. About This Manual .............................................................................................................................. 1–1
1.1. The ANSYS Commands Reference ................................................................................................. 1–1
1.1.1. Conventions Used in this Manual .......................................................................................... 1–1
1.1.1.1. Product Codes ............................................................................................................. 1–2
1.1.2. Applicable ANSYS Products .................................................................................................. 1–2
1.1.3. ANSYS Product Capabilities .................................................................................................. 1–3
1.1.4. Terminology ........................................................................................................................ 1–6
1.2. ANSYS Command Characteristics .................................................................................................. 1–8
1.2.1. Data Input ........................................................................................................................... 1–8
1.2.2. Free-Format Input ................................................................................................................ 1–8
1.2.3. Nonrestrictive Data Input ..................................................................................................... 1–8
1.2.4. Condensed Data Input ......................................................................................................... 1–9
1.2.5. Units .................................................................................................................................... 1–9
1.2.6. Defaults ............................................................................................................................... 1–9
1.2.7. File Names ......................................................................................................................... 1–10
1.2.8. Star and Slash Commands .................................................................................................. 1–11
2. Command Groupings .......................................................................................................................... 2–1
2.1. SESSION Commands ..................................................................................................................... 2–3
2.2. DATABASE Commands ................................................................................................................. 2–5
2.3. GRAPHICS Commands .................................................................................................................. 2–9
2.4. APDL Commands ........................................................................................................................ 2–13
2.5. PREP7 Commands ...................................................................................................................... 2–17
2.6. SOLUTION Commands ................................................................................................................ 2–35
2.7. POST1 Commands ...................................................................................................................... 2–47
2.8. POST26 Commands .................................................................................................................... 2–55
2.9. AUX2 Commands ....................................................................................................................... 2–59
2.10. AUX3 Commands ...................................................................................................................... 2–59
2.11. AUX12 Commands .................................................................................................................... 2–59
2.12. AUX15 Commands .................................................................................................................... 2–60
2.13. RUNSTATS Commands .............................................................................................................. 2–60
2.14. OPTIMIZATION Commands ....................................................................................................... 2–61
2.15. VARIATIONAL TECHNOLOGY Commands ................................................................................... 2–62
2.16. PROBABILISTIC Design Commands ............................................................................................ 2–63
2.17. DISPLAY Program Commands ................................................................................................... 2–64
2.18. REDUCED Order Modeling Commands ...................................................................................... 2–65
3. Command Dictionary .......................................................................................................................... 3–1
3.1. Components of a Command Description ....................................................................................... 3–1
3.1.1. Features Documented in ANSYS Commands ......................................................................... 3–2
I. Connection Commands .......................................................................................................................... 3–5
II. A Commands ....................................................................................................................................... 3–13
III. B Commands ...................................................................................................................................... 3–91
IV. C Commands .................................................................................................................................... 3–137
V. D Commands .................................................................................................................................... 3–227
VI. E Commands .................................................................................................................................... 3–289
VII. F Commands ................................................................................................................................... 3–439
VIII. G Commands .................................................................................................................................. 3–565
IX. H Commands ................................................................................................................................... 3–597
X. I Commands ...................................................................................................................................... 3–625
XI. J Commands .................................................................................................................................... 3–649
XII. K Commands ................................................................................................................................... 3–651
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XIII. L Commands .................................................................................................................................. 3–679
XIV. M Commands ................................................................................................................................. 3–751
XV. N Commands .................................................................................................................................. 3–829
XVI. O Commands ................................................................................................................................. 3–893
XVII. P Commands ................................................................................................................................. 3–923
XVIII. Q Commands .............................................................................................................................. 3–1099
XIX. R Commands ................................................................................................................................ 3–1103
XX. S Commands ................................................................................................................................. 3–1167
XXI. T Commands ................................................................................................................................ 3–1335
XXII. U Commands ............................................................................................................................... 3–1421
XXIII. V Commands .............................................................................................................................. 3–1439
XXIV. W Commands ............................................................................................................................. 3–1479
XXV. X Commands .............................................................................................................................. 3–1493
XXVI. Y Commands .............................................................................................................................. 3–1497
XXVII. Z Commands ............................................................................................................................. 3–1499
Index ................................................................................................................................................. Index–1
List of Tables
2.1. Run Controls ....................................................................................................................................... 2–3
2.2. Processor Entry ................................................................................................................................... 2–3
2.3. Files .................................................................................................................................................... 2–4
2.4. List Controls ....................................................................................................................................... 2–4
2.5. Set Up ................................................................................................................................................ 2–5
2.6. Selecting ............................................................................................................................................ 2–5
2.7. Components ...................................................................................................................................... 2–6
2.8. Working Plane .................................................................................................................................... 2–6
2.9. Coordinate System ............................................................................................................................. 2–6
2.10. Picking ............................................................................................................................................. 2–7
2.11. Set Up .............................................................................................................................................. 2–9
2.12. Views .............................................................................................................................................. 2–10
2.13. Scaling ............................................................................................................................................ 2–10
2.14. Style ............................................................................................................................................... 2–10
2.15. Labeling ......................................................................................................................................... 2–11
2.16. Graphs ............................................................................................................................................ 2–11
2.17. Annotation ..................................................................................................................................... 2–11
2.18. Parameter Definition ....................................................................................................................... 2–13
2.19. Macro Files ..................................................................................................................................... 2–13
2.20. Abbreviations ................................................................................................................................. 2–14
2.21. Array Parameters ............................................................................................................................ 2–14
2.22. Process Controls ............................................................................................................................. 2–14
2.23. Database ........................................................................................................................................ 2–17
2.24. Element Type .................................................................................................................................. 2–17
2.25. Real Constants ................................................................................................................................ 2–17
2.26. Materials ......................................................................................................................................... 2–18
2.27. Data Tables ..................................................................................................................................... 2–18
2.28. Primitives ....................................................................................................................................... 2–19
2.29. Keypoints ....................................................................................................................................... 2–19
2.30. Hard Points ..................................................................................................................................... 2–20
2.31. Lines ............................................................................................................................................... 2–20
2.32. Areas .............................................................................................................................................. 2–21
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2.33. Volumes ......................................................................................................................................... 2–21
2.34. Booleans ......................................................................................................................................... 2–22
2.35. Meshing ......................................................................................................................................... 2–23
2.36. Nodes ............................................................................................................................................. 2–24
2.37. Elements ........................................................................................................................................ 2–25
2.38. Superelements ............................................................................................................................... 2–26
2.39. Piping ............................................................................................................................................. 2–26
2.40. Digitizing ........................................................................................................................................ 2–27
2.41. Coupled DOF .................................................................................................................................. 2–27
2.42. Constraint Equations ....................................................................................................................... 2–27
2.43. Element Reordering ........................................................................................................................ 2–27
2.44. FLOTRAN Options ........................................................................................................................... 2–28
2.45. FLOTRAN Property .......................................................................................................................... 2–28
2.46. FLOTRAN Operating ........................................................................................................................ 2–28
2.47. FLOTRAN Solver .............................................................................................................................. 2–28
2.48. FLOTRAN Turbulence ...................................................................................................................... 2–29
2.49. FLOTRAN Stability ........................................................................................................................... 2–29
2.50. FLOTRAN Miscellaneous .................................................................................................................. 2–29
2.51. FLOTRAN Multiple Species .............................................................................................................. 2–30
2.52. Special Purpose .............................................................................................................................. 2–30
2.53. Status ............................................................................................................................................. 2–30
2.54. Explicit Dynamics ............................................................................................................................ 2–31
2.55. CAD Repair ..................................................................................................................................... 2–32
2.56. Sections .......................................................................................................................................... 2–33
2.57. Morphing ....................................................................................................................................... 2–33
2.58. Trefftz Domain ................................................................................................................................ 2–34
2.59. Perfectly Matched Layers ................................................................................................................ 2–34
2.60. Fluid-Solid Interaction ..................................................................................................................... 2–34
2.61. Analysis Options ............................................................................................................................. 2–35
2.62. p-Method Options .......................................................................................................................... 2–36
2.63. Nonlinear Options ........................................................................................................................... 2–36
2.64. Dynamic Options ............................................................................................................................ 2–37
2.65. Spectrum Options ........................................................................................................................... 2–37
2.66. Load Step Options .......................................................................................................................... 2–38
2.67. Solid Constraints ............................................................................................................................. 2–39
2.68. Solid Forces .................................................................................................................................... 2–39
2.69. Solid Surface Loads ......................................................................................................................... 2–39
2.70. Solid Body Loads ............................................................................................................................. 2–39
2.71. Inertia ............................................................................................................................................. 2–40
2.72. Miscellaneous Loads ....................................................................................................................... 2–40
2.73. Load Step Operations ..................................................................................................................... 2–41
2.74. Master DOF ..................................................................................................................................... 2–41
2.75. Gap Conditions ............................................................................................................................... 2–41
2.76. Rezoning ........................................................................................................................................ 2–41
2.77. Birth and Death ............................................................................................................................... 2–42
2.78. FE Constraints ................................................................................................................................. 2–42
2.79. FE Forces ........................................................................................................................................ 2–42
2.80. FE Surface Loads ............................................................................................................................. 2–42
2.81. FE Body Loads ................................................................................................................................. 2–43
2.82. Status ............................................................................................................................................. 2–43
2.83. Explicit Dynamics ............................................................................................................................ 2–44
2.84. FLOTRAN Checkout ......................................................................................................................... 2–45
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2.85. Controls .......................................................................................................................................... 2–45
2.86. Radiosity ......................................................................................................................................... 2–45
2.87. Fluid-Structure Interaction .............................................................................................................. 2–45
2.88. ANSYS Multi-field solver Analysis ..................................................................................................... 2–46
2.89. Setup .............................................................................................................................................. 2–47
2.90. Controls .......................................................................................................................................... 2–47
2.91. Results ............................................................................................................................................ 2–47
2.92. Element Table ................................................................................................................................. 2–48
2.93. Listing ............................................................................................................................................ 2–48
2.94. Animation ...................................................................................................................................... 2–49
2.95. Path Operations .............................................................................................................................. 2–49
2.96. Surface Operations ......................................................................................................................... 2–50
2.97. Load Case Calculations .................................................................................................................... 2–50
2.98. Magnetics Calculations ................................................................................................................... 2–51
2.99. Fatigue ........................................................................................................................................... 2–51
2.100. Trace Points .................................................................................................................................. 2–52
2.101. FLOTRAN Processing ..................................................................................................................... 2–52
2.102. Special Purpose ............................................................................................................................ 2–52
2.103. Status ........................................................................................................................................... 2–53
2.104. Failure Criteria .............................................................................................................................. 2–53
2.105. Set Up ........................................................................................................................................... 2–55
2.106. Controls ........................................................................................................................................ 2–55
2.107. Operations .................................................................................................................................... 2–55
2.108. Display ......................................................................................................................................... 2–56
2.109. Listing .......................................................................................................................................... 2–56
2.110. Special Purpose ............................................................................................................................ 2–56
2.111. Status ........................................................................................................................................... 2–57
2.112. Binary Files .................................................................................................................................... 2–59
2.113. Results Files .................................................................................................................................. 2–59
2.114. Radiation Substructures ................................................................................................................ 2–59
2.115. IGES .............................................................................................................................................. 2–60
2.116. Run Statistics Estimator ................................................................................................................. 2–60
2.117. Specifications ................................................................................................................................ 2–61
2.118. Operations .................................................................................................................................... 2–61
2.119. Files .............................................................................................................................................. 2–61
2.120. Run ............................................................................................................................................... 2–62
2.121. Display ......................................................................................................................................... 2–62
2.122. DesignXplorer VT .......................................................................................................................... 2–62
2.123. FS Module ..................................................................................................................................... 2–63
2.124. Deterministic Model ...................................................................................................................... 2–63
2.125. Probabilistic Preprocessing ........................................................................................................... 2–63
2.126. Probabilistic Methods ................................................................................................................... 2–63
2.127. Run Probabilistic Analysis .............................................................................................................. 2–63
2.128. Probabilistic Postprocessing .......................................................................................................... 2–64
2.129. Probabilistic Database ................................................................................................................... 2–64
2.130. Response Surface .......................................................................................................................... 2–64
2.131. Auxiliary Commands and Information ............................................................................................ 2–64
2.132. Set Up ........................................................................................................................................... 2–64
2.133. Driver Options .............................................................................................................................. 2–65
2.134. Action ........................................................................................................................................... 2–65
2.135. Set Up ........................................................................................................................................... 2–65
2.136. Preparation ................................................................................................................................... 2–65
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