Commit 5fa16586 authored by Jan Siwiec's avatar Jan Siwiec

Update ansys-cfx.md

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# ANSYS CFX
[ANSYS CFX][a] software is a high-performance, general purpose fluid dynamics program that has been applied to solve wide-ranging fluid flow problems for over 20 years. At the heart of ANSYS CFX is its advanced solver technology, the key to achieving reliable and accurate solutions quickly and robustly. The modern, highly parallelized solver is the foundation for an abundant choice of physical models to capture virtually any type of phenomena related to fluid flow. The solver and its many physical models are wrapped in a modern, intuitive, and flexible GUI and user environment, with extensive capabilities for customization and automation using session files, scripting and a powerful expression language.
[ANSYS CFX][a] is a high-performance, general purpose fluid dynamics program that has been applied to solve wide-ranging fluid flow problems for over 20 years. At the heart of ANSYS CFX is its advanced solver technology, the key to achieving reliable and accurate solutions quickly and robustly. The modern, highly parallelized solver is the foundation for an abundant choice of physical models to capture virtually any type of phenomena related to fluid flow. The solver and its many physical models are wrapped in a modern, intuitive, and flexible GUI and user environment, with extensive capabilities for customization and automation using session files, scripting and a powerful expression language.
To run ANSYS CFX in batch mode you can utilize/modify the default cfx.pbs script and execute it via the qsub command.
To run ANSYS CFX in batch mode, you can utilize/modify the default cfx.pbs script and execute it via the qsub command:
```bash
#!/bin/bash
......@@ -47,11 +47,11 @@ echo Machines: $hl
cfx5solve -def input.def -size 4 -size-ni 4x -part-large -start-method "Platform MPI Distributed Parallel" -par-dist $hl -P aa_r
```
Header of the PBS file (above) is common and description can be find on [this site][1]. SVS FEM recommends to utilize sources by keywords: nodes, ppn. These keywords allows to address directly the number of nodes (computers) and cores (ppn) which will be utilized in the job. Also the rest of code assumes such structure of allocated resources.
The header of the PBS file (above) is common and the description can be found on [this site][1]. SVS FEM recommends utilizing sources by keywords: nodes, ppn. These keywords allow addressing directly the number of nodes (computers) and cores (ppn) utilized in the job. In addition, the rest of the code assumes such structure of allocated resources.
Working directory has to be created before sending PBS job into the queue. Input file should be in working directory or full path to input file has to be specified. Input file has to be defined by common CFX def file which is attached to the CFX solver via parameter -def
A working directory has to be created before sending the PBS job into the queue. The input file should be in the working directory or a full path to the input file has to be specified. The input file has to be defined by a common CFX def file which is attached to the CFX solver via the -def parameter.
**License** should be selected by parameter -P (Big letter **P**). Licensed products are the following: aa_r (ANSYS **Academic** Research), ane3fl (ANSYS Multiphysics)-**Commercial**.
The **license** should be selected by the -P parameter (capital **P**). Licensed products are: aa_r (ANSYS **Academic** Research) and ane3fl (ANSYS Multiphysics)-**Commercial**.
[1]: ../../../general/job-submission-and-execution.md
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