udf for Roughness Constant, Cs > 1
I am modeling a domain that has the surrounding area with non-uniform & non-homogenous surface roughness, in which case the surface Roughness Constant, Cs, is outside the upper limit of the range (0.5 - 1.0) that can be specified in Fluent.
I desire to specify a value of Cs greater than 1.0 as has been done in previous researches, and this requires udf.
Pls., could someone kindly help me with the udf codes for writing constant-value Roughness Constant, Cs.
Thanks, and hoping to get a response soon.
I was wondering if you have wrote a udf for a wall roughness.
I was similar problem and I would appreciate your help.
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