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Rough boundary bottom at OpenFOAM

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Old   August 22, 2016, 07:42
Default Rough boundary bottom at OpenFOAM
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Hello everyone!
I want create new boundary condition for OpenFOAM, which provides logarithmic velocity profile at atmospheric boundary layer. In this boundary condition U will depend from height. But I have a trouble with happening when inlet has rough bottom, because in this case I should be able to determine z0 at any point. Are there any tools at OpenFOAM to get z0 for any point at boundary?
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boundaries condition, openfoam 2.4.x, roughness, roughness height


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