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Wall Roughness Boundary Conditions

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Old   January 24, 2005, 16:07
Default Wall Roughness Boundary Conditions
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In the new Fluent 6.2.9 Beta version, it is possible to read in a profile file with a variable roughness height and roughness constant of a surface (as a Wall Boundary Condition). In the older version it was only possible to define one constant height/constant per surface. Has anyone used this new option yet? How would I have to create that profile file?
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