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-   -   UDF for Q-criterion to see structures (http://www.cfd-online.com/Forums/fluent/34731-udf-q-criterion-see-structures.html)

mystic_cfd September 30, 2004 06:14

UDF for Q-criterion to see structures
 
Hi there

I would like to identify and visualize structures in my simulation. One of the methods is to use Hunt's Q-criterion [Q = 0.5*(Rij.Rij - Sij.Sij)].

If anybody has a UDF or other recipe to calculate this in Fluent, I would really appreciate the help.

regards m-c


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