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Omega at the wall

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Old   January 10, 2011, 05:16
Default Omega at the wall
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sla
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Slawomir
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Hello,

How is technically the omega (specific dissipation rate) computed at the wall in case of low-Reynolds number approach (RANS k-omega model)?

According to Menter (1993) the omega is computed at the wall itself, so for y=0. Does it mean that the omega value is computed at the first cell near to the wall or it is estimated exactly for y=0 using the Neumann boundary condition and ghost cells.

thank you,
sla
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