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-   -   instability in fluent (http://www.cfd-online.com/Forums/fluent/33146-instability-fluent.html)

marangoni March 1, 2004 23:22

instability in fluent
 
Hi:

Has anyone had ideas about how to calculate the instability flow by using Fluent? I have calculated the flow field, I wonder how to make judgement if the flow is stable or not, or if there is a way to calculate the instability by fluent.

Thanks

Marangoni

George March 3, 2004 09:11

Re: instability in fluent
 
Some turbulence models are better at predicting sensitivity to the real flow instabilities. Among the two-equation models, the best choice would be probably the RNG model. (See Fluent User's Guide 10.2.12)

marangoni March 5, 2004 00:30

Re: instability in fluent
 
thanks!!


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