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-   -   convergence problem - RNG ke (http://www.cfd-online.com/Forums/fluent/106441-convergence-problem-rng-ke.html)

sagila August 29, 2012 04:56

convergence problem - RNG ke
 
Dear all,
What are the proper under-relaxation factors for solving RNG-ke convergence problem?
Thank you in advance.

sagila August 30, 2012 05:24

Dear all,
I would appreciate if anyone could help me find the answer to my inquiry.
Thank you.

Bionico August 30, 2012 08:22

Hi,
RNG-k epsilon is a bit unstable: I suggest M=0.1 and E=0.9 (default values for the others). After some iterations maybe you can increase to M=0.2 and E=0.92-0.93, it depends even on your system...


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