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Wall Roughness Error

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Old   April 23, 2007, 11:42
Default Wall Roughness Error
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Hi all..

I just saw the FLUENT help file that we can change the roughness parameters in FLUENT, by selecting boundary conditions > Wall>Momentum >then can select the roughness parameters.

But how come when i go to the momentum tab, there is no roughness parameters for me to change? only options available are wall motion and shear condition.

Any ideas please?

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Old   April 23, 2007, 12:59
Default Re: Wall Roughness Error
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probably because you are using a K-espilon turbulence model with Enhanced Wall Treatment. use Standard Wall Function
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