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LES boundary layer

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Old   May 6, 2013, 05:14
Default LES boundary layer
Join Date: Jan 2013
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ignacio is on a distinguished road

I am going to run a LES case using the Spalding law to calculate the turbulent eddy viscosity at the boundary.
OpenFOAM provides a patch called --> mutUSpaldingWallFunction

My question is:

How many grid lines should I set in the boundary layer?
Where should I place the first grid point? (y+)

Thanks a lot in advance
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