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wall roughness in OpenFOAM

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Old   July 29, 2015, 06:56
Exclamation wall roughness in OpenFOAM
Join Date: Mar 2014
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harsha_kulkarni is on a distinguished road
I want to give roughness for wall in OpenFOAM
how should I give this????

what is the difference between


and when I'm using following t

type nutURoughWallFunction::Ks;
value uniform 0.001;
type nutURoughWallFunction::Cs;
value uniform 0.5;

it produces following error

Unknown patchField type nutURoughWallFunction::Cs for patch type wall

Last edited by harsha_kulkarni; July 29, 2015 at 08:43.
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