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March 20, 2014, 22:47 |
Tutorial 2 - Parallel run
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#1 |
New Member
Nicholas Yue
Join Date: Mar 2012
Posts: 5
Rep Power: 14 |
Hi,
I have successfully run tutorial 2 (using the test case data I downloaded) http://adl-public.stanford.edu/docs/...iscid+ONERA+M6 in serial mode and looked at the results in Paraview. When I continue the same tutorial to learn about the parallel execution, I found that the Python script parallel_computation.py makes assumption that the mesh is named "mesh.su2" rather than the mesh name specified in the configuration file. To make it easier to continue, I elected to modify the name of the mesh file and the inv_ONERA6.cfg file instead of modifying the python script. The next problem I encountered is more complicated. The generated file config_DDC.cfg did not contain the LOWER_SIDE definition expected by SU2_DDC Is there any other tutorial/example (in 3D) which I can look at that is known to work via a parallel approach ? Cheers |
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March 24, 2014, 21:33 |
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#2 |
Member
Carlos Alexandre Tomigawa Aguni
Join Date: Mar 2014
Posts: 40
Rep Power: 12 |
Imma give it a try and post here what I got.
Last edited by CrashLaker; March 26, 2014 at 11:27. |
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March 25, 2014, 13:53 |
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#3 |
Senior Member
Heather Kline
Join Date: Jun 2013
Posts: 309
Rep Power: 14 |
If the config file is being called correctly, the mesh used should be the one specified in the config file and not the default, so I suspect that there may have been a typo when typing the config file name. (this is an error that I have made myself multiple times) That would also explain why SU2_DDC is having trouble - if the main config file is not being read in, the default settings loaded by SU2_DDC will not match the mesh file.
To run the case in parallel on two processors, after making sure that you have configured SU2 to run in parallel, type the following command in your run directory: >> parallel_computation.py -f inv_ONERAM6.cfg -p 2 |
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