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Forum: OpenFOAM

November 30, 2009, 05:36

Replies: 9

nutWallFunction questions

Views: 5,996

Posted By madad2005

Thanks, Christof. "At the walls ...

Thanks, Christof.

"At the walls
nutw[faceI] = nuw[faceI]*(yPlus*kappa_/log(E_*yPlus) - 1.0);
is used to apply the wall shear stress
tau_wall = rho * (nu + nut) * du/dy
according to the log...

Forum: OpenFOAM

November 29, 2009, 14:03

Replies: 9

nutWallFunction questions

Views: 5,996

Posted By madad2005

Sorry to have confused you; I'll elaborate more....

Sorry to have confused you; I'll elaborate more. In the k-epsilon and k-omega models, the very last thing they do is compute nut:

//from RealizableKE
// Re-calculate viscosity
nut_ =...

Forum: OpenFOAM

November 27, 2009, 07:15

Replies: 9

nutWallFunction questions

Views: 5,996

Posted By madad2005

nutWallFunction questions

I'm investigating the wall function approaches used in OpenFOAM. Epsilon and omega wall functions were fairly straight-forward in the end. However, I am looking at nutWallFunction and I'm at a loss...

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