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Old   June 19, 2011, 03:01
Default source udf
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dear friends
i have written a udf that consist of several source functions for momentum and turbulence equations. i interpret it and there is no problem. when h hook it to the source terms and solve the model. it is diverge even with low under relaxation factors(0.001). would you please help me?
thanks in advance.
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Old   June 24, 2011, 13:55
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Try to under relax the source terms too.

Hope this helps.
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