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Forum: OpenFOAM Running, Solving & CFD

June 23, 2017, 00:21

Replies: 12

icoFoam Courant number growth problem

Views: 2,121

Posted By piu58

> As you suggested I refined the mesh but it...

> As you suggested I refined the mesh but it didn't make much of a difference

If you want to control the Co number you need to refine the mesh only in the areas of fast changes and high velocity...

Forum: OpenFOAM Running, Solving & CFD

June 21, 2017, 00:20

Replies: 12

icoFoam Courant number growth problem

Views: 2,121

Posted By piu58

High pressure gradient lead to high local...

High pressure gradient lead to high local velocity. It is quite normal that the max Co number increases then. I recommend refining the mesh in the areas with the pressure drop or increase.

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