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Wall function usage

Posted April 2, 2018 at 22:34 by zacwhee

about wallfunction usage
Originally Posted by G_German View Post
Since the documentation on the use of wall functions (or BCs for turbulence models in general) in OpenFOAM is rather small I tried to write up a little summary of what is posted in the internet (for kEpsilon, kOmegaSST & SA).
As this may also be interesting to other people and I would be interested in feedback, please find the summary below:

If the grid near the wall is fine enough (~y+<1 everywhere and at least 4-5 nodes
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