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Old   July 6, 2010, 03:23
Default wall functions value
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Sebastian Bartscher
Join Date: Jul 2010
Location: Münster, Germany
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Hello everybody!

Im pretty unexperienced in OpenFoam / in this forum .

I have some trouble understanding the function of the value at the wall funktions. There is a value at espilonwallfunction and omegawallfunktion. I changed the value at the epsilonwall funktion by multiplying it by 100. That didn't seem to change anything. in the actual modell the value is 1.6.. I took it from another modell.

So my question is what is this value?
what is its meaning /
what is its influence on the modell?
how can I calculate the value for other modells?

Thank you!!
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wallfunction value

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