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error when running chtMultiRegionFoam in parallel

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Old   September 12, 2024, 11:55
Unhappy error when running chtMultiRegionFoam in parallel
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Claudine Wehrli
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Hello,
I am working with chtMultiRegionFoam. My case works fine with one processor.
I tried to run it in parallel and I have an error.
I write : decomposePar
It is okay.
And then I run my case in parallel :
mpirun -np 40 chtMultiRegionFoam -parallel
And I have that error:
Cannot find file "points" in directory "fluid/polyMesh" in times "0" down to constant
I do not know what it means, what I can do to correct it.

Thank you very much for your help.
Claudine

Last edited by ClaudineW; September 13, 2024 at 05:39.
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Old   September 12, 2024, 12:22
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It seems that decomposePar does not do the right job.
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Old   September 12, 2024, 12:26
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I work with openfoam10
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Old   September 13, 2024, 05:37
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Claudine Wehrli
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I have solved the problem.

I have to decompose each region separately:
decomposePar -region fluid
decomposePar -region torse
decomposePar -region jambe
decomposePar -region tete
An example is given in the tutorial :
$FOAM_TUTORIALS/heatTransfer/chtMultiRegionFoam/heatExchanger
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Old   September 13, 2024, 05:48
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Yann
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Hello Claudine,

instead of decomposePar, try running:

Code:
decomposePar -allRegions
Yann

EDIT: I didn't see you solved your problem before posting. However -allRegions will save you the hassle of decomposing each region separately
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Old   September 13, 2024, 05:55
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Thank you very much.
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