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Forum: Main CFD Forum

October 26, 2012, 10:20

Replies: 5

Subgrid scale velocity

Views: 1,578

Posted By Ivan

The kind of filtered should be implicitely...

The kind of filtered should be implicitely imposed by the model you are using right? Following Pope, (turbulent flows, pp.588) this should be very close to a Gaussian one for a Smagorinsky model, at...

Forum: Main CFD Forum

October 25, 2012, 14:16

Replies: 5

Subgrid scale velocity

Views: 1,578

Posted By Ivan

The filter I use should be a Gaussian one. So are...

The filter I use should be a Gaussian one. So are you saying I cannot recover it from the Smagorinsky model itself? If i got it, I should use something like

u'_delta = c*abs( U_f1 - U_f2)
...

Forum: Main CFD Forum

October 25, 2012, 08:30

Replies: 5

Subgrid scale velocity

Views: 1,578

Posted By Ivan

Subgrid scale velocity

Dear all,

I would like to recover the subgrid-scale velocity in a LES in someway. I use a dynamic smagorinsky model, so an idea would be to recover it from the model itself.

The model says...

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