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Search: Posts Made By: ehsan
Forum: OpenFOAM Running, Solving & CFD July 25, 2012, 09:05
Replies: 39
Views: 21,695
Posted By ehsan
1- Please see this nice paper which comes from...

1- Please see this nice paper which comes from Furbey,

Numerical Simulation of an Oscillating Cylinder Using Large Eddy Simulation and Implicit Large Eddy Simulation

DOI: 10.1115/1.4005766
...
Forum: OpenFOAM Running, Solving & CFD July 25, 2012, 08:34
Replies: 39
Views: 21,695
Posted By ehsan
If you see in the implementations of LES models...

If you see in the implementations of LES models in OF, some of theme does not require any filter (like OneEqEddy) but some other categories require it. I think that implicit models does not need...
Forum: OpenFOAM Running, Solving & CFD July 24, 2012, 18:12
Replies: 39
Views: 21,695
Posted By ehsan
Thanks a lot, could you please give a clue on my...

Thanks a lot, could you please give a clue on my former question, explicit LES in OpenFOAM as well.

Regards
Forum: OpenFOAM Running, Solving & CFD July 24, 2012, 17:45
Replies: 39
Views: 21,695
Posted By ehsan
And I had another key question: If our...

And I had another key question:

If our Momentum equation is the same for RANS and LES, and all the effects of small scales eddies are given by: B=-2v_sgs*D, the final momentum equation in LES...
Forum: OpenFOAM Running, Solving & CFD July 24, 2012, 17:39
Replies: 39
Views: 21,695
Posted By ehsan
Hi Daniel O.K, But does it mean all LES...

Hi Daniel

O.K, But does it mean all LES models in Openfoam are implicit? When we select some models which permit us selecting filter (like Laplace), I think the LES in explicit in these cases, am...
Forum: OpenFOAM Running, Solving & CFD July 24, 2012, 17:25
Replies: 39
Views: 21,695
Posted By ehsan
I had a basic question on LES. In OF, we use the...

I had a basic question on LES. In OF, we use the same equations for momentum while we selected every type of turbulence models including LES, K-e and so on. So, where is the effect of volume...
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