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Forum: OpenFOAM Programming & Development

July 22, 2011, 09:24

Replies: 5

kEqn in kEpsilon.C

Views: 1,935

Posted By fisch

I had a look on this k-epsilon calculation and...

I had a look on this k-epsilon calculation and wanted to figure out what happens if wall functions are active.
Maybe you know answers to the three following questions, too!?

If i use kqR and...

Forum: OpenFOAM Programming & Development

July 22, 2011, 04:30

Replies: 5

kEqn in kEpsilon.C

Views: 1,935

Posted By fisch

thats right. thanks

thats right.

thanks

Forum: OpenFOAM Programming & Development

July 22, 2011, 01:21

Replies: 5

kEqn in kEpsilon.C

Views: 1,935

Posted By fisch

Thanks Bernhard, the mentioned origin term (U *...

Thanks Bernhard,
the mentioned origin term (U * grad(k)) was wrong in some of my books ( it was just div(k * U).
I had right now a look into the "Turbulent Flows" book of Pope and you're right with...

Forum: OpenFOAM Programming & Development

July 20, 2011, 12:35

Replies: 5

kEqn in kEpsilon.C

Views: 1,935

Posted By fisch

kEqn in kEpsilon.C

Hello,

i try to understand the equations for the k-epsilon turb model.
the equation for k is:
tmp<fvScalarMatrix> kEqn
(
fvm::ddt(k_)
+ fvm::div(phi_, k_)
-...

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