Table of Contents
Preface ......................................................................................................................................................... v
1. The Contents of This Manual ................................................................................................................ v
2.The Contents of the Fluent Manuals ..................................................................................................... v
3. Technical Support .............................................................................................................................. vii
1. Introduction to ANSYS Fluent ................................................................................................................. 1
1.1. Program Capabilities ......................................................................................................................... 4
1.2. ANSYS Fluent Documentation ........................................................................................................... 5
1.2.1. Accessing the Documentation Files Using the ANSYS Help Viewer ............................................. 5
1.2.2. Accessing the PDF Documentation ........................................................................................... 6
1.2.2.1. Downloading and Extracting the PDF Documentation Files .............................................. 7
1.2.2.2. Navigating the PDF Files .................................................................................................. 7
1.2.2.3. Printing the PDF Files ....................................................................................................... 7
1.3. Known Limitations in ANSYS Fluent 18.0 ........................................................................................... 7
2. Basic Steps for CFD Analysis using ANSYS Fluent ................................................................................. 17
2.1. Steps in Solving Your CFD Problem .................................................................................................. 17
2.2. Planning Your CFD Analysis ............................................................................................................. 17
3. Guide to a Successful Simulation Using ANSYS Fluent ......................................................................... 23
4. Starting and Executing ANSYS Fluent ................................................................................................... 25
4.1. Starting ANSYS Fluent ..................................................................................................................... 25
4.1.1. Starting ANSYS Fluent Using Fluent Launcher ......................................................................... 25
4.1.1.1. Setting General Options in Fluent Launcher ................................................................... 27
4.1.1.2. Single-Precision and Double-Precision Solvers ................................................................ 29
4.1.1.3. Setting Parallel Options in Fluent Launcher .................................................................... 30
4.1.1.4. Setting Remote Options in Fluent Launcher ................................................................... 32
4.1.1.5. Setting Scheduler Options in Fluent Launcher ................................................................ 33
4.1.1.6. Setting Environment Options in Fluent Launcher ........................................................... 34
4.1.2. Starting ANSYS Fluent on a Windows System .......................................................................... 36
4.1.3. Starting ANSYS Fluent on a Linux System ................................................................................ 37
4.1.4. Command Line Startup Options ............................................................................................. 37
4.1.4.1. ACT Option ................................................................................................................... 39
4.1.4.2. Graphics Options ........................................................................................................... 39
4.1.4.3. Meshing Mode Option ................................................................................................... 40
4.1.4.4. Performance Options ..................................................................................................... 40
4.1.4.5. Parallel Options ............................................................................................................. 40
4.1.4.6. Postprocessing Option .................................................................................................. 41
4.1.4.7. SGE Options .................................................................................................................. 41
4.1.4.8. LSF Option .................................................................................................................... 42
4.1.4.9. Version and Release Options .......................................................................................... 42
4.1.4.10. System Coupling Options ............................................................................................ 42
4.1.4.11. Other Startup Options ................................................................................................. 43
4.2. Running ANSYS Fluent in Batch Mode ............................................................................................. 43
4.2.1. Background Execution on Linux Systems ................................................................................ 43
4.2.2. Background Execution on Windows Systems .......................................................................... 44
4.2.3. Batch Execution Options ........................................................................................................ 45
4.3. Switching Between Meshing and Solution Modes ............................................................................ 47
4.4. Checkpointing an ANSYS Fluent Simulation ..................................................................................... 47
4.5. Cleaning Up Processes From an ANSYS Fluent Simulation ................................................................ 48
4.6. Exiting ANSYS Fluent ...................................................................................................................... 49
Glossary of Terms ........................................................................................................................................ 51
iii
Release 18.0 - © SAS IP, Inc. All rights reserved. - Contains proprietary and confidential information
of ANSYS, Inc. and its subsidiaries and affiliates.
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