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-   -   Modify length scale definition for DES (https://www.cfd-online.com/Forums/fluent/35866-modify-length-scale-definition-des.html)

Stephen February 26, 2005 10:06

Modify length scale definition for DES
 
Hi,

I am working with the DES model and have the following question. Does anybody have an idea whether it is possible to modify the standard definition of the length scale

d_overbar=min(d, C_DES x D) where D is the largest grid spacing

into a new one

d_overbar=min(d, PSI x C_DES x D) where PSI is an algebraic function of the turbulent viscosity ratio.

Thanks for your help.



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