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omega damping function in LRN approach

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Old   July 5, 2017, 15:54
Default omega damping function in LRN approach
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ali
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Hi All,

I am writing a UDF to reproduce standard k-omega model using UDS and etc.
Since I am using LRN approach, I need to use damping functions for k and omega. I can add the damping function for k pretty easily to the code and it works fine. But i have problem with damping function of omega, f_beta.
According to Fluent theory guide it has to have the following format:


Does anybody know how I can write a code for Ksi_omega (eq. 4.87)?

Any help is appreciated.

Thanks,
Ali
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damping function, lrn, udf, vorticity


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