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How to set interfacial roughness

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Old   May 22, 2007, 07:35
Default How to set interfacial roughness
K. Baker
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Hi all: I have stratified (air-water) flow within a pipe , the water flow in the button of pipe and air in the top and I am use the VOF model. I have the roughness value at interface between the phases from experiments and I did not know how to set it? Is there anybody can assist me with it?

Thanks in advance Saleem

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Old   June 6, 2007, 23:42
Default Re: How to set interfacial roughness
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in boundary conditins menu, select and set the conditions for the wall for which you want to set the roughness, then select the momentum panel and set the value for the roughness.
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