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Forum: OpenFOAM Running, Solving & CFD

December 11, 2009, 11:50

Replies: 2

Is that a checker-boarding pattern? How to avoid it?

Views: 1,881

Posted By rcastilla

It seems so be related to mesh. It has been...

It seems so be related to mesh. It has been meshed with snappyHexMesh. If there are sharp transitions of cell size, this kind of patterns arise. I don't know the reason, but I have tried with a...

Forum: OpenFOAM Running, Solving & CFD

December 10, 2009, 08:45

Replies: 2

Is that a checker-boarding pattern? How to avoid it?

Views: 1,881

Posted By rcastilla

I am trying with pisoFoam (transient solver) and...

I am trying with pisoFoam (transient solver) and results are not better.

Forum: OpenFOAM Running, Solving & CFD

December 10, 2009, 06:02

Replies: 2

Is that a checker-boarding pattern? How to avoid it?

Views: 1,881

Posted By rcastilla

Is that a checker-boarding pattern? How to avoid it?

Hi,

I am simulating internal turbulent flow in complex geometries with simpleFoam and k-Omega SST, and I have found this strange behavior (see attached picture).

The fvSolution and fvSchemes...

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