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Old   June 20, 2006, 12:49
Default Need help pleeeeezzzzzzzzzzzzzzzzzzzzz
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Can I specify a surface roughness (in WALL Boundary Condition) in VOF. Do I need UDF for this purpose? Appreciate yr help!
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Old   June 21, 2006, 00:41
Default Re: Need help pleeeeezzzzzzzzzzzzzzzzzzzzz
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Of course you can do it without UDF but you´r limited with your mesh. The wallroughness should be lower than 1/2 of your first cell.

define boundary-condition momentum
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