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Forum: FLUENT

March 15, 2013, 05:33

Replies: 14

why in fluent report the skin friction coefficient is positive

Views: 8,704

Posted By flotus1

I know for a fact that the streamwise component...

I know for a fact that the streamwise component of the wall shear stress changes sign in a recirculation zone in reality and in fluent aswell.
What exactly are you simulating? Please post a picture...

Forum: FLUENT

March 14, 2013, 02:22

Replies: 14

why in fluent report the skin friction coefficient is positive

Views: 8,704

Posted By flotus1

It is not physically incorrect. The skin...

It is not physically incorrect.

The skin friction coefficient based on the wall sheat stress magnitude has to be positive.
If you want negative values in recirculation zones, you will have to...

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