Exploding value in one cell
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Hello Foamers,
I've been using OpenFoam for two months now and been running a few cases for my company. The complexity of my geometry is incresing but not the CPU of my computer... I am facing a new kind of problem: the U value of some cells is randomly exploding on edges... U should never be above 80m/s in my problem. I tryed to improve the meshing where the value of U were exploding but as soon as I solve the problem somewhere it appears somewhere else and I feel like wasting my time. Regardless of geometry/BC, is there a way to limit U or the way U is locally increasing? I already use "CellMDLimitedGrad 1" in my fvSchemes but it seems useless... Find attached samples from paraFoam with my U field. Thanks for helping! Don't hesitate if you need more info. |
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