roughness of thin surface -- CFD Online Discussion Forums

October 27, 2003, 22:12	roughness of thin surface	#1
colins Guest Posts: n/a	hi,friends I need to difine different roughness on the twos of thin surface,who knows how to? I have referred to this topic, http://www.cfd-online.com/Forum/cfx_....cgi?read=4397 but I can not distinguish the two surfaces,e.g. which one is the inside one or which one is the upper,anyone could help me? thanks.

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