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-   -   Different horizontal and vertical subgrid scale viscosities in LES (http://www.cfd-online.com/Forums/fluent/109259-different-horizontal-vertical-subgrid-scale-viscosities-les.html)

pablo November 13, 2012 16:26

Different horizontal and vertical subgrid scale viscosities in LES
 
Hi,
Some clue how to set up trough UDF two different subgrid scale viscosities (horizontal and vertical directions)...
I'm modelling mixing process of upper ocean using a LES model so that i'm using a high anisotropic grid and none of the available subgrid scale models is appropriate for that kind of problems.
I already know how to include some customized viscosity model, but not two in different directions.

regards, hope to get some hint...


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