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Plenchette julien April 7, 1999 06:18

Near wall treatment
I am using the Fluent codes (rampant, Fluent or UNS) for a cylinder head calculation and I want to adapt near the valve, what should I choose in the codes to specify THAT I don't want wall function ( Two layer..; Non equilibrium wall function..) I tried the two layer.. with fluent and rampant but, the first one diverged before the first interation and the second one does not converge, actually I tried with a compressible fluid, and only rampant loaded the calculation (without converging) in compressible. I don't know where my problem is. my mesh is unstrustured 3d with ruling turbulence intensity and hydraulic diameter.

thanks for your answers and your help. JULIEN.

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