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ANSYS Fluent User's Guide
Release 15.0ANSYS, Inc.
November 2013Southpointe
275 Technology Drive
Canonsburg, PA 15317
ANSYS, Inc. is
certified to ISO
9001:2008.
ansysinfo@ansys.com
http://www.ansys.com
(T) 724-746-3304
(F) 724-514-9494
Copyright and Trademark Information
© 2013 SAS IP, Inc. All rights reserved. Unauthorized use, distribution or duplication is prohibited.
ANSYS, ANSYS Workbench, Ansoft, AUTODYN, EKM, Engineering Knowledge Manager, CFX, FLUENT, HFSS and any
and all ANSYS, Inc. brand, product, service and feature names, logos and slogans are registered trademarks or
trademarks of ANSYS, Inc. or its subsidiaries in the United States or other countries. ICEM CFD is a trademark used
by ANSYS, Inc. under license. CFX is a trademark of Sony Corporation in Japan. All other brand, product, service
and feature names or trademarks are the property of their respective owners.
Disclaimer Notice
THIS ANSYS SOFTWARE PRODUCT AND PROGRAM DOCUMENTATION INCLUDE TRADE SECRETS AND ARE CONFID-
ENTIAL AND PROPRIETARY PRODUCTS OF ANSYS, INC., ITS SUBSIDIARIES, OR LICENSORS. The software products
and documentation are furnished by ANSYS, Inc., its subsidiaries, or affiliates under a software license agreement
that contains provisions concerning non-disclosure, copying, length and nature of use, compliance with exporting
laws, warranties, disclaimers, limitations of liability, and remedies, and other provisions. The software products
and documentation may be used, disclosed, transferred, or copied only in accordance with the terms and conditions
of that software license agreement.
ANSYS, Inc. is certified to ISO 9001:2008.
U.S. Government Rights
For U.S. Government users, except as specifically granted by the ANSYS, Inc. software license agreement, the use,
duplication, or disclosure by the United States Government is subject to restrictions stated in the ANSYS, Inc.
software license agreement and FAR 12.212 (for non-DOD licenses).
Third-Party Software
See the
legal information in the product help files for the complete Legal Notice for ANSYS proprietary software
and third-party software. If you are unable to access the Legal Notice, please contact ANSYS, Inc.
Published in the U.S.A.
Table of Contents
Using This Manual ..................................................................................................................................... lxiii
1.The Contents of This Manual ............................................................................................................. lxiii
2.The Contents of the Fluent Manuals ................................................................................................... lxv
3. Typographical Conventions ............................................................................................................. lxvii
4. Mathematical Conventions .............................................................................................................. lxvii
5. Technical Support .......................................................................................................................... lxviii
1. Graphical User Interface (GUI) ................................................................................................................ 1
1.1. GUI Components .............................................................................................................................. 1
1.1.1.The Menu Bar ........................................................................................................................... 2
1.1.2.Toolbars ................................................................................................................................... 3
1.1.2.1.The Mode Toolbar ............................................................................................................ 3
1.1.2.2.The Standard Toolbar ....................................................................................................... 4
1.1.2.3.The Graphics Toolbar ....................................................................................................... 4
1.1.2.4.The Objects Toolbar ......................................................................................................... 5
1.1.3. The Navigation Pane ................................................................................................................ 6
1.1.4.Task Pages ................................................................................................................................ 8
1.1.5.The Console ............................................................................................................................. 8
1.1.6. Dialog Boxes ............................................................................................................................ 9
1.1.6.1. Input Controls ............................................................................................................... 10
1.1.6.1.1.Tabs ...................................................................................................................... 10
1.1.6.1.2. Buttons ................................................................................................................. 11
1.1.6.1.3. Check Boxes ......................................................................................................... 11
1.1.6.1.4. Radio Buttons ....................................................................................................... 11
1.1.6.1.5.Text Entry Boxes .................................................................................................... 11
1.1.6.1.6. Integer Number Entry Boxes .................................................................................. 11
1.1.6.1.7. Real Number Entry Boxes ...................................................................................... 12
1.1.6.1.8. Single-Selection Lists ............................................................................................ 12
1.1.6.1.9. Multiple-Selection Lists ......................................................................................... 12
1.1.6.1.10. Drop-Down Lists ................................................................................................. 13
1.1.6.1.11. Scales ................................................................................................................. 13
1.1.6.2.Types of Dialog Boxes .................................................................................................... 14
1.1.6.2.1. Information Dialog Boxes ...................................................................................... 14
1.1.6.2.2. Warning Dialog Boxes ........................................................................................... 14
1.1.6.2.3. Error Dialog Boxes ................................................................................................. 14
1.1.6.2.4.The Working Dialog Box ........................................................................................ 14
1.1.6.2.5. Question Dialog Box ............................................................................................. 15
1.1.6.2.6.The Select File Dialog Box .................................................................................... 15
1.1.6.2.6.1.The Select File Dialog Box (Windows) ........................................................... 15
1.1.6.2.6.2.The Select File Dialog Box (Linux) .................................................................. 16
1.1.7. Graphics Windows .................................................................................................................. 19
1.1.7.1. Printing the Contents of the Graphics Window (Windows Systems Only) ......................... 21
1.1.7.2. Using the Page Setup Dialog Box (Windows Systems Only) ............................................ 21
1.2. Customizing the Graphical User Interface (Linux Systems Only) ........................................................ 23
1.3. Using the GUI Help System .............................................................................................................. 24
1.3.1.Task Page and Dialog Box Help ............................................................................................... 25
1.3.2. Context-Sensitive Help (Linux Only) ........................................................................................ 25
1.3.3. Opening the User’s Guide Table of Contents ............................................................................ 25
1.3.4. Opening the Reference Guide ................................................................................................. 26
1.3.5. Help on Help .......................................................................................................................... 27
1.3.6. Accessing Printable (PDF) Manuals ......................................................................................... 27
iii
Release 15.0 - © SAS IP, Inc. All rights reserved. - Contains proprietary and confidential information
of ANSYS, Inc. and its subsidiaries and affiliates.
1.3.7. Help for Text Interface Commands .......................................................................................... 27
1.3.8. Accessing the Customer Portal Web Site ................................................................................. 27
1.3.9. Obtaining License Use Information ......................................................................................... 27
1.3.10.Version and Release Information ........................................................................................... 28
2.Text User Interface (TUI) ........................................................................................................................ 29
2.1.Text Menu System ........................................................................................................................... 29
2.1.1. Command Abbreviation ......................................................................................................... 30
2.1.2. Command Line History ........................................................................................................... 31
2.1.3. Scheme Evaluation ................................................................................................................. 31
2.1.4. Aliases ................................................................................................................................... 31
2.2.Text Prompt System ........................................................................................................................ 32
2.2.1. Numbers ................................................................................................................................ 32
2.2.2. Booleans ................................................................................................................................ 33
2.2.3. Strings ................................................................................................................................... 33
2.2.4. Symbols ................................................................................................................................. 33
2.2.5. Filenames .............................................................................................................................. 33
2.2.6. Lists ....................................................................................................................................... 33
2.2.7. Evaluation .............................................................................................................................. 35
2.2.8. Default Value Binding ............................................................................................................. 36
2.3. Interrupts ....................................................................................................................................... 36
2.4. System Commands ......................................................................................................................... 36
2.4.1. System Commands for Linux-based Operating Systems .......................................................... 36
2.4.2. System Commands for Windows Operating Systems ............................................................... 37
2.5.Text Menu Input from Character Strings .......................................................................................... 37
2.6. Using the Text Interface Help System ............................................................................................... 38
3. Reading and Writing Files ..................................................................................................................... 41
3.1. Shortcuts for Reading and Writing Files ........................................................................................... 41
3.1.1. Default File Suffixes ................................................................................................................ 42
3.1.2. Binary Files ............................................................................................................................. 43
3.1.3. Detecting File Format ............................................................................................................. 43
3.1.4. Recent File List ....................................................................................................................... 43
3.1.5. Reading and Writing Compressed Files ................................................................................... 43
3.1.5.1. Reading Compressed Files ............................................................................................. 43
3.1.5.2.Writing Compressed Files ............................................................................................... 44
3.1.6.Tilde Expansion (Linux Systems Only) ...................................................................................... 45
3.1.7. Automatic Numbering of Files ................................................................................................ 45
3.1.8. Disabling the Overwrite Confirmation Prompt ........................................................................ 46
3.1.9.Toolbar Buttons ...................................................................................................................... 46
3.2. Reading Mesh Files ......................................................................................................................... 46
3.3. Reading and Writing Case and Data Files ......................................................................................... 47
3.3.1. Reading and Writing Case Files ............................................................................................... 48
3.3.2. Reading and Writing Data Files ............................................................................................... 48
3.3.3. Reading and Writing Case and Data Files Together .................................................................. 49
3.3.4. Automatic Saving of Case and Data Files ................................................................................. 49
3.4. Reading and Writing Parallel Data Files ............................................................................................ 52
3.4.1. Writing Parallel Data Files ....................................................................................................... 52
3.4.2. Reading Parallel Data Files ...................................................................................................... 53
3.4.3. Availability and Limitations ..................................................................................................... 53
3.5. Reading Fluent/UNS and RAMPANT Case and Data Files ................................................................... 54
3.6. Reading and Writing Profile Files ..................................................................................................... 54
3.6.1. Reading Profile Files ............................................................................................................... 54
3.6.2.Writing Profile Files ................................................................................................................. 55
Release 15.0 - © SAS IP, Inc. All rights reserved. - Contains proprietary and confidential information
of ANSYS, Inc. and its subsidiaries and affiliates.iv
User's Guide
3.7. Reading and Writing Boundary Conditions ...................................................................................... 56
3.8.Writing a Boundary Mesh ................................................................................................................ 57
3.9. Reading Scheme Source Files .......................................................................................................... 57
3.10. Creating and Reading Journal Files ................................................................................................ 57
3.10.1. Procedure ............................................................................................................................ 59
3.11. Creating Transcript Files ................................................................................................................ 59
3.12. Importing Files .............................................................................................................................. 60
3.12.1. ABAQUS Files ....................................................................................................................... 62
3.12.2. CFX Files .............................................................................................................................. 62
3.12.3. Meshes and Data in CGNS Format ......................................................................................... 63
3.12.4. EnSight Files ......................................................................................................................... 64
3.12.5. ANSYS FIDAP Neutral Files .................................................................................................... 64
3.12.6. GAMBIT and GeoMesh Mesh Files ......................................................................................... 64
3.12.7. HYPERMESH ASCII Files ......................................................................................................... 64
3.12.8. I-deas Universal Files ............................................................................................................ 65
3.12.9. LSTC Files ............................................................................................................................. 65
3.12.10. Marc POST Files .................................................................................................................. 65
3.12.11. Mechanical APDL Files ........................................................................................................ 66
3.12.12. NASTRAN Files .................................................................................................................... 66
3.12.13. PATRAN Neutral Files .......................................................................................................... 66
3.12.14. PLOT3D Files ...................................................................................................................... 66
3.12.15. PTC Mechanica Design Files ................................................................................................ 67
3.12.16. Tecplot Files ....................................................................................................................... 67
3.12.17. Fluent 4 Case Files .............................................................................................................. 67
3.12.18. PreBFC Files ........................................................................................................................ 68
3.12.19. Partition Files ..................................................................................................................... 68
3.12.20. CHEMKIN Mechanism ......................................................................................................... 68
3.13. Exporting Solution Data ................................................................................................................ 68
3.13.1. Exporting Limitations ........................................................................................................... 69
3.14. Exporting Solution Data after a Calculation .................................................................................... 70
3.14.1. ABAQUS Files ....................................................................................................................... 71
3.14.2. Mechanical APDL Files .......................................................................................................... 72
3.14.3. Mechanical APDL Input Files ................................................................................................. 73
3.14.4. ASCII Files ............................................................................................................................ 73
3.14.5. AVS Files ............................................................................................................................... 74
3.14.6. ANSYS CFD-Post-Compatible Files ........................................................................................ 74
3.14.7. CGNS Files ............................................................................................................................ 75
3.14.8. Data Explorer Files ................................................................................................................ 75
3.14.9. EnSight Case Gold Files ......................................................................................................... 76
3.14.10. FAST Files ........................................................................................................................... 78
3.14.11. FAST Solution Files .............................................................................................................. 79
3.14.12. Fieldview Unstructured Files ............................................................................................... 79
3.14.13. I-deas Universal Files ........................................................................................................... 80
3.14.14. NASTRAN Files .................................................................................................................... 80
3.14.15. PATRAN Files ...................................................................................................................... 81
3.14.16. RadTherm Files ................................................................................................................... 81
3.14.17. Tecplot Files ....................................................................................................................... 82
3.15. Exporting Steady-State Particle History Data .................................................................................. 82
3.16. Exporting Data During a Transient Calculation ............................................................................... 84
3.16.1. Creating Automatic Export Definitions for Solution Data ....................................................... 85
3.16.2. Creating Automatic Export Definitions for Transient Particle History Data .............................. 88
3.17. Exporting to ANSYS CFD-Post ........................................................................................................ 90
v
Release 15.0 - © SAS IP, Inc. All rights reserved. - Contains proprietary and confidential information
of ANSYS, Inc. and its subsidiaries and affiliates.
User's Guide
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