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Sample From Decomposed Case Wo Reconstructing |
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October 31, 2019, 04:55 |
Sample From Decomposed Case Wo Reconstructing
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#1 |
New Member
Cagkan
Join Date: Aug 2015
Posts: 8
Rep Power: 11 |
Hi everyone,
I have a case of a 2D wave flume simulation, that was run with interFoam as decomposed (8 processors) case. (OpenFOAM v1812) I needed 8 free surface elevation measurements from 8 different lines so I added them as Raw measurements of alpha.water to the functions sections in controlDict. Everything worked great I get my measurements at each time step simultaneously with the simulation but, I need to look a few centimetres before and after of these lines also. Now I need to re-take those samples but I don't want to reconstruct cases (also I don't have time to reconstruct them neither) is there any way to get samples from the existing, decomposed model without reconstructing or re-run the whole thing. Thank you for the answers in advance. |
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November 1, 2019, 13:03 |
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#2 |
Senior Member
Abe
Join Date: May 2016
Posts: 119
Rep Power: 10 |
Yep, post processing works with mpi and the -parallel flag. So do something like:
mpirun -np 8 interFoam -postProcess -parallel and it will just run your function objects on all the times. |
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