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Forum: OpenFOAM Running, Solving & CFD

October 23, 2006, 13:58

Replies: 8

Turbulent solver or LES

Views: 2,074

Posted By hjasak

Mesh non-orthogonality Max: 89

Need I say more? You need a better mesh :-) As for the bounded laplacian schemes, this is nothing to do with upwinding, I simply limit the non-orthogonal correction in a consistent manner.

The...

Forum: OpenFOAM Running, Solving & CFD

October 22, 2006, 17:10

Replies: 8

Turbulent solver or LES

Views: 2,074

Posted By hjasak

First, do a checkMesh and tell

First, do a checkMesh and tell me how badly non-orthogonal your mesh is. The scheme you should adjust is laplacian(DepsilonEff, epsilon) (and probably k as well). You can start with

Gauss...

Forum: OpenFOAM Running, Solving & CFD

October 22, 2006, 13:35

Replies: 8

Turbulent solver or LES

Views: 2,074

Posted By hjasak

What you need to do is to adju

What you need to do is to adjust your convection and diffusion discretisation (it's probably diffusion that's giving you trouble) to get rid of the unboundedness.

Hrv

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