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Old   February 8, 2008, 12:25
Default Surface roughness
  #1
Rajesh
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Hi

can we have surface roughness and Yplus cell height which is less than the surface roughness cell height for a No slip wall in CFX,is there any best practices.

thanks in advance
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Old   February 10, 2008, 17:36
Default Re: Surface roughness
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Glenn Horrocks
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Hi,

Numerically it should cause no problems and run fine. Whether it has any physical significance - that is whether it is accurate or not is a matter of debate and probably depends on exactly what you are modelling.

Glenn Horrocks
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