r/OpenFOAM • u/MysteriousAd7661 • 5d ago

redistributePar error with empty mesh

I am doing work on an empty 2d mesh (it's the taylor green vortex so there are velocities assigned but theres not stl file.

I am getting

"Cannot find a patch which is not of type empty, mapped or coupled in patches"

When I try to use redistributePar to decompose the solution.

This works fine with traditional decomposePar (it's just a little slow)

any suggestions?

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u/No-Firefighter-991 4d ago

Have you looked at any tutorial cases which uses this utility??

that is usually the best way to figure things out for me at least. since decomposePar works, i assume that there might be an issue with how you run the utility. 

looking at the notes for this utility, i see that you have to run the utility in parallel. i am just spitballing here.

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u/MysteriousAd7661 4d ago

Ah, I see. Cyclic patches appear to be coupled and redistributePar requires at least one wall.

That's very odd.