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surface roughness for solid

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Old   October 18, 2012, 14:45
Default surface roughness for solid
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adam
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I need to define a surface roughness for a boundary that is a solid, but I don't see an option for this in regions? It seems the option for rough/smooth wall is only available for fluid boundaries, or am I not looking in the right place?
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Old   October 23, 2012, 07:23
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siamak rahimi ardkapan
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Could you please, what is the reason that you need to define the roughness for a solid region?
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