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-   -   Acceptable Gradient Values (http://www.cfd-online.com/Forums/fluent/35449-acceptable-gradient-values.html)

Raman Chadha January 12, 2005 19:00

Acceptable Gradient Values
 
Hi,

I am solving a turbulent flow problem using RNG k-e model. I want to show grid independence using grid adaption.

How do we ascertain if the maximum gradient values are "good enough", and does adaption always work? I am having trouble showing grid independence for the solution. What are the general guidelines for showing grid independence for the solution.


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