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Forum: FLUENT

May 17, 2010, 07:29

Replies: 3

Surface roughness

Views: 1,639

Posted By jack1980

To my understanding, the wall roughness shifts...

To my understanding, the wall roughness shifts the wall function down to a lower u+, but apart from this shift the profile is unchanged.

I think that when the roughness is so large that the...

Forum: FLUENT

May 17, 2010, 04:41

Replies: 3

Surface roughness

Views: 1,639

Posted By jack1980

You can set some amount of roughness in the wall...

You can set some amount of roughness in the wall boundary condition panel. The only thing you will have to change is the roughness diameter, in meters (default is 0 m). For a lot of applications this...

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