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Forum: OpenFOAM Running, Solving & CFD

January 13, 2015, 10:43

Replies: 6

PengRobinsonGas crashing with high pressures on fine mesh

Views: 1,901

Posted By dkxls

I just saw that you are actually using linear as...

I just saw that you are actually using linear as div scheme for pretty much everything. That will most likely not work. ;)

Again, for LES with an explicit SGS model I would recommend you the...

Forum: OpenFOAM Running, Solving & CFD

January 12, 2015, 11:51

Replies: 6

PengRobinsonGas crashing with high pressures on fine mesh

Views: 1,901

Posted By dkxls

OK, so the non-orthogonality shouldn't be a...

OK, so the non-orthogonality shouldn't be a problem, though you could try to set the nNonOrthogonalCorrectors to 1 or 2. But I don't think that fixes the problem.

I also just noted that you don't...

Forum: OpenFOAM Running, Solving & CFD

January 12, 2015, 10:36

Replies: 6

PengRobinsonGas crashing with high pressures on fine mesh

Views: 1,901

Posted By dkxls

Some general hints: I have had just a very...

Some general hints:
I have had just a very quick look at your case, but what sticks out are your solver tolerances. I would generally tighten them a bit for h, U, p, rho; specifically your final...

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