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-   -   How to sample results from decomposed/parallel case without reconstructing (https://www.cfd-online.com/Forums/openfoam/205435-how-sample-results-decomposed-parallel-case-without-reconstructing.html)

New-to-CFD August 17, 2018 20:12

How to sample results from decomposed/parallel case without reconstructing
 
Hello everyone,

Does anyone know how to sample a decomposed/parallel case without having to reconstruct it?

Specifically, I have decomposed a flume into 16 subdomains. I would like to sample alpha.water along a line (a wave gauge) at a few locations...

As well I would like to calculate the force on an object by integrating the pressure.

I have the sampleDict written, and have used it before on reconstructed cases..but is there a way to alter the following command to sample the processor0 - processorx folders instead of reconstructing?

postProcess -func sampleDict


The reason I ask is due to memory limits, I cannot reconstruct this case without clearing out my hard drive :D

Thanks!!!!!

PS - I've come across this if anyone could help explain (I used interFoam solver):

mpirun -np 2 pimpleFoam -parallel -postProcess


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