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SGS Model used by DES simulations

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Old   March 10, 2018, 12:59
Default SGS Model used by DES simulations
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christoph irrenfried
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Hi,
does anyone know what SGS model is employed in the DES simulation in FLUENT. I cant find anything in the theory guide.
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Old   March 11, 2018, 10:12
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Hi,

with DDES model, it can be shown by Under equilibrium turbulence conditions (production = dissipation), DDES models reduces to Smagorinsky sgs model. It is the case for SST DDES. For k-epsilon, I don't really know but I guess it is the same thing. You can find it in the SDES part of the theory guide 4.12.2 for the R18 version of Fluent.

François
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