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Forum: OpenFOAM Running, Solving & CFD

July 2, 2019, 03:31

Replies: 11

What exactly the Relaxation factor does?

Views: 8,992

Posted By jherb

One thing is probably not correct. You use...

One thing is probably not correct. You use chtMultiRegionSimpleFoam? Then you need to set a physically correct pressure, because it is a "compressible" solver, calculating the density from some...

Forum: OpenFOAM Running, Solving & CFD

July 1, 2019, 18:27

Replies: 11

What exactly the Relaxation factor does?

Views: 8,992

Posted By jherb

Relaxation factors in the order of magnitude of...

Relaxation factors in the order of magnitude of 1e-3 sound very wrong. There are probably other problems with your simulation.

Does checkMesh complain about something?

Are you sure, your...

Forum: OpenFOAM Running, Solving & CFD

July 1, 2019, 04:32

Replies: 11

What exactly the Relaxation factor does?

Views: 8,992

Posted By jherb

Yes, you can change it during runtime and it will...

Yes, you can change it during runtime and it will be applied in the next time step (if you have set runTimeModifiable true; in system/controlDict)

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