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00 ANSYS Fluent Tutorial Guide-2019R3官方实例教程.pdf
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ANSYS Fluent Tutorial Guide 2019R3 ,共28个官方step by step 实例教程
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ANSYS Fluent Tutorial Guide
Release 2019 R3ANSYS, Inc.
August 2019Southpointe
2600 ANSYS Drive
Canonsburg, PA 15317
ANSYS, Inc. and
ANSYS Europe,
ansysinfo@ansys.com
Ltd. are UL
http://www.ansys.com
registered ISO
(T) 724-746-3304
(F) 724-514-9494
9001: 2015
companies.
案例文件可在文中相应超链接下载
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© 2019 ANSYS, Inc. Unauthorized use, distribution or duplication is prohibited.
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names, logos and slogans are registered trademarks or trademarks of ANSYS, Inc. or its subsidiaries located in the
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of Sony Corporation in Japan. All other brand, product, service and feature names or trademarks are the property
of their respective owners. FLEXlm and FLEXnet are trademarks of Flexera Software LLC.
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
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software license agreement and FAR 12.212 (for non-DOD licenses).
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See the legal information in the product help files for the complete Legal Notice for ANSYS proprietary software
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Published in the U.S.A.
Table of Contents
Using This Manual .................................................................................................................................... xxiii
1. What’s In This Manual ...................................................................................................................... xxiii
2. How To Use This Manual .................................................................................................................. xxiii
2.1. For the Beginner ..................................................................................................................... xxiii
2.2. For the Experienced User ........................................................................................................ xxiii
3.Typographical Conventions Used In This Manual .............................................................................. xxiii
1. Fluid Flow in an Exhaust Manifold .......................................................................................................... 1
1.1. Introduction ..................................................................................................................................... 1
1.2. Prerequisites ..................................................................................................................................... 1
1.3. Problem Description ......................................................................................................................... 2
1.4. Setup and Solution ........................................................................................................................... 2
1.4.1. Preparation .............................................................................................................................. 2
1.4.2. Meshing Workflow ................................................................................................................... 3
1.4.3. General Settings ..................................................................................................................... 16
1.4.4. Solver Settings ....................................................................................................................... 17
1.4.5. Models ................................................................................................................................... 17
1.4.6. Materials ................................................................................................................................ 17
1.4.7. Cell Zone Conditions .............................................................................................................. 18
1.4.8. Boundary Conditions ............................................................................................................. 18
1.4.9. Solution ................................................................................................................................. 20
1.4.10. Postprocessing ..................................................................................................................... 27
1.5. Summary ........................................................................................................................................ 35
2. Introduction to Fault Tolerant Meshing ................................................................................................ 37
2.1. Introduction ................................................................................................................................... 37
2.2. Prerequisites ................................................................................................................................... 38
2.3. Problem Description ....................................................................................................................... 38
2.4. Setup and Solution ......................................................................................................................... 38
2.4.1. Preparation ............................................................................................................................ 39
2.4.2. Geometry and Mesh ............................................................................................................... 39
2.4.3. General Settings ..................................................................................................................... 61
2.4.4. Solver Settings ....................................................................................................................... 62
2.4.5. Models ................................................................................................................................... 62
2.4.6. Materials ................................................................................................................................ 63
2.4.7. Cell Zone Conditions .............................................................................................................. 63
2.4.8. Boundary Conditions ............................................................................................................. 63
2.4.9. Solution ................................................................................................................................. 65
2.4.10. Postprocessing ..................................................................................................................... 68
2.5. Summary ........................................................................................................................................ 74
3. Introduction to Using ANSYS Fluent: Fluid Flow and Heat Transfer in a Mixing Elbow ........................ 75
3.1. Introduction ................................................................................................................................... 75
3.2. Prerequisites ................................................................................................................................... 75
3.3. Problem Description ....................................................................................................................... 76
3.4. Setup and Solution ......................................................................................................................... 76
3.4.1. Preparation ............................................................................................................................ 77
3.4.2. Launching ANSYS Fluent ........................................................................................................ 77
3.4.3. Reading the Mesh .................................................................................................................. 81
3.4.4. Setting Up Domain ................................................................................................................. 84
3.4.5. Setting Up Physics .................................................................................................................. 87
3.4.6. Solving .................................................................................................................................. 99
3.4.7. Displaying the Preliminary Solution ...................................................................................... 109
iii
Release 2019 R3 - © ANSYS, Inc. All rights reserved. - Contains proprietary and confidential information
of ANSYS, Inc. and its subsidiaries and affiliates.
3.4.8. Adapting the Mesh ............................................................................................................... 121
3.5. Summary ...................................................................................................................................... 134
4. Postprocessing .................................................................................................................................... 135
4.1. Introduction ................................................................................................................................. 135
4.2. Prerequisites ................................................................................................................................. 136
4.3. Problem Description ..................................................................................................................... 136
4.4. Setup and Solution ....................................................................................................................... 136
4.4.1. Preparation .......................................................................................................................... 137
4.4.2. Reading the Mesh ................................................................................................................ 137
4.4.3. Manipulating the Mesh in the Viewer .................................................................................... 137
4.4.4. Adding Lights ...................................................................................................................... 139
4.4.5. Creating Isosurfaces ............................................................................................................. 143
4.4.6. Generating Contours ............................................................................................................ 146
4.4.7. Generating Velocity Vectors .................................................................................................. 150
4.4.8. Creating an Animation ......................................................................................................... 155
4.4.9. Displaying Pathlines ............................................................................................................. 159
4.4.10. Creating a Scene With Vectors and Contours ....................................................................... 165
4.4.11. Advanced Overlay of Pathlines on a Scene .......................................................................... 167
4.4.12. Creating Exploded Views .................................................................................................... 169
4.4.13. Animating the Display of Results in Successive Streamwise Planes ....................................... 173
4.4.14. Generating XY Plots ............................................................................................................ 175
4.4.15. Creating Annotation ........................................................................................................... 178
4.4.16. Saving Picture Files ............................................................................................................. 180
4.4.17. Generating Volume Integral Reports ................................................................................... 181
4.5. Summary ...................................................................................................................................... 181
5. Modeling Periodic Flow and Heat Transfer ......................................................................................... 183
5.1. Introduction ................................................................................................................................. 183
5.2. Prerequisites ................................................................................................................................. 183
5.3. Problem Description ..................................................................................................................... 184
5.4. Setup and Solution ....................................................................................................................... 184
5.4.1. Preparation .......................................................................................................................... 185
5.4.2. Mesh .................................................................................................................................... 185
5.4.3. General Settings ................................................................................................................... 188
5.4.4. Models ................................................................................................................................. 188
5.4.5. Materials .............................................................................................................................. 188
5.4.6. Cell Zone Conditions ............................................................................................................ 190
5.4.7. Periodic Conditions .............................................................................................................. 191
5.4.8. Boundary Conditions ............................................................................................................ 191
5.4.9. Solution ............................................................................................................................... 192
5.4.10. Postprocessing ................................................................................................................... 197
5.5. Summary ...................................................................................................................................... 205
5.6. Further Improvements .................................................................................................................. 205
6. Modeling External Compressible Flow ............................................................................................... 207
6.1. Introduction ................................................................................................................................. 207
6.2. Prerequisites ................................................................................................................................. 207
6.3. Problem Description ..................................................................................................................... 207
6.4. Setup and Solution ....................................................................................................................... 208
6.4.1. Preparation .......................................................................................................................... 208
6.4.2. Mesh .................................................................................................................................... 208
6.4.3. Solver .................................................................................................................................. 210
6.4.4. Models ................................................................................................................................. 211
6.4.5. Materials .............................................................................................................................. 212
Release 2019 R3 - © ANSYS, Inc. All rights reserved. - Contains proprietary and confidential information
of ANSYS, Inc. and its subsidiaries and affiliates.iv
Tutorial Guide
6.4.6. Boundary Conditions ............................................................................................................ 213
6.4.7. Operating Conditions ........................................................................................................... 216
6.4.8. Solution ............................................................................................................................... 217
6.4.9. Postprocessing ..................................................................................................................... 232
6.5. Summary ...................................................................................................................................... 237
6.6. Further Improvements .................................................................................................................. 237
7. Modeling Transient Compressible Flow .............................................................................................. 239
7.1. Introduction ................................................................................................................................. 239
7.2. Prerequisites ................................................................................................................................. 239
7.3. Problem Description ..................................................................................................................... 239
7.4. Setup and Solution ....................................................................................................................... 240
7.4.1. Preparation .......................................................................................................................... 240
7.4.2. Reading and Checking the Mesh ........................................................................................... 240
7.4.3. Solver and Analysis Type ....................................................................................................... 243
7.4.4. Models ................................................................................................................................. 244
7.4.5. Materials .............................................................................................................................. 245
7.4.6. Operating Conditions ........................................................................................................... 246
7.4.7. Boundary Conditions ............................................................................................................ 247
7.4.8. Solution: Steady Flow ........................................................................................................... 250
7.4.9. Enabling Time Dependence and Setting Transient Conditions ............................................... 265
7.4.10. Specifying Solution Parameters for Transient Flow and Solving ............................................ 267
7.4.11. Saving and Postprocessing Time-Dependent Data Sets ....................................................... 270
7.5. Summary ...................................................................................................................................... 282
7.6. Further Improvements .................................................................................................................. 282
8. Modeling Flow Through Porous Media ............................................................................................... 283
8.1. Introduction ................................................................................................................................. 283
8.2. Prerequisites ................................................................................................................................. 284
8.3. Problem Description ..................................................................................................................... 284
8.4. Setup and Solution ....................................................................................................................... 284
8.4.1. Preparation .......................................................................................................................... 285
8.4.2. Meshing Workflow ............................................................................................................... 285
8.4.3. General Settings ................................................................................................................... 299
8.4.4. Solver Settings ..................................................................................................................... 300
8.4.5. Models ................................................................................................................................. 300
8.4.6. Materials .............................................................................................................................. 301
8.4.7. Cell Zone Conditions ............................................................................................................ 302
8.4.8. Boundary Conditions ............................................................................................................ 305
8.4.9. Solution ............................................................................................................................... 307
8.4.10. Postprocessing ................................................................................................................... 310
8.5. Summary ...................................................................................................................................... 322
8.6. Further Improvements .................................................................................................................. 322
9. Modeling Radiation and Natural Convection ..................................................................................... 323
9.1. Introduction ................................................................................................................................. 323
9.2. Prerequisites ................................................................................................................................. 323
9.3. Problem Description ..................................................................................................................... 323
9.4. Setup and Solution ....................................................................................................................... 324
9.4.1. Preparation .......................................................................................................................... 324
9.4.2. Reading and Checking the Mesh ........................................................................................... 325
9.4.3. Solver and Analysis Type ....................................................................................................... 325
9.4.4. Models ................................................................................................................................. 326
9.4.5. Defining the Materials .......................................................................................................... 330
9.4.6. Operating Conditions ........................................................................................................... 331
v
Release 2019 R3 - © ANSYS, Inc. All rights reserved. - Contains proprietary and confidential information
of ANSYS, Inc. and its subsidiaries and affiliates.
Tutorial Guide
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