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Old   December 12, 2013, 06:58
Default Variable roughness
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Ava
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Hi everybody

I am working on a atmospheric boundary layer model and need to use variable roughness in my model as it has building and vegetations in terrain. Does anybody have a sample UDF for such application?

Where should I start?

I use Ansys-Fluent 14.5.

Thank you,
Ava.
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