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Forum: CFX

March 8, 2015, 20:59

Replies: 9

Y+ for K-Epsilon Model

Views: 20,986

Posted By MissCFD

I'm sorry but I'm not sure I clearly understood...

I'm sorry but I'm not sure I clearly understood the meaning of your sentence "This means it actually shifts the boundary layer position a little, in effect meaning the wall for the purposes of the...

Forum: CFX

March 6, 2015, 23:09

Replies: 9

Y+ for K-Epsilon Model

Views: 20,986

Posted By MissCFD

In CFX 14.5, when we use the k-epsilon model, we...

In CFX 14.5, when we use the k-epsilon model, we don't have choice, it's only the scalable function that is proposed. So, if I understand correctly, the scalable wall function used with k-epsilon...

Forum: CFX

March 6, 2015, 19:59

Replies: 9

Y+ for K-Epsilon Model

Views: 20,986

Posted By MissCFD

Thank you very much for your answer ghorrocks. ...

Thank you very much for your answer ghorrocks.

But what happens when the k -epsilon model is used in a place where the y+ value is less than + 30 ? The result is not valid for this place ?

I...

Forum: CFX

March 5, 2015, 17:46

Replies: 9

Y+ for K-Epsilon Model

Views: 20,986

Posted By MissCFD

Y+ for K-Epsilon Model

Hello,

I would like to know if the fact of having y+<30 in some places (where we don't have many controls on the strutured mesh) may affect calculation when we use k-epsilon turbulence model ?...

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