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Walberla: Figure out unit issues with stress tensor #3464

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RudolfWeeber opened this issue Feb 7, 2020 · 1 comment

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waLBerla

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RudolfWeeber commented Feb 7, 2020

The off-diagonal elements, e.g., in lb_shear.py do not match.

The Walberla output scales like a +b / sqrt(dt) with a<0, b>0 and dt the time step.
This should not happen.

RudolfWeeber mentioned this issue

Interface Walberla LB #2701

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RudolfWeeber commented Feb 19, 2020

The stress check in lb_shear.py is currently commented out, but can serve to work on this issue.

fweik added the waLBerla label

jngrad closed this as completed

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