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Showing results 1 to 4 of 4 Search took 0.00 seconds. Search: Posts Made By: saeedi

Forum: Main CFD Forum October 23, 2012, 22:25

Replies: 10 explicit/implicit dynamic models for LES Views: 1,493 Posted By saeedi Thank you very much. 1-Yeah. About the... Thank you very much. 1-Yeah. About the stability I think the solution is to make it semi implicit (treating the dynamic smagorinsky part implicitly and adding the rest of the divergence of Tau_ij...

Forum: Main CFD Forum October 23, 2012, 15:28

Replies: 10 explicit/implicit dynamic models for LES Views: 1,493 Posted By saeedi Yeah. Thank you. you are right. We use old... Yeah. Thank you. you are right. We use old velocities for eddy viscosity which is in fact explicit. By Implicit, I meant adding the eddy viscosity to viscous terms and having that in the...

Forum: Main CFD Forum October 22, 2012, 17:34

Replies: 10 explicit/implicit dynamic models for LES Views: 1,493 Posted By saeedi 1-You mean you calculate the SGS stress and its... 1-You mean you calculate the SGS stress and its gradient and then add it to the source term? Right? 2-BTW, I am using crank-nicolson time advancement schem. How about your discretization? mine...

Forum: Main CFD Forum October 22, 2012, 12:55

Replies: 10 explicit/implicit dynamic models for LES Views: 1,493 Posted By saeedi explicit/implicit dynamic models for LES Hi every one, I have a LES code with different dynamic models. The first model (dynamic smagorinsky by lilly) is fully implicit (I calculate the eddy viscosity and directly use it in the...

Showing results 1 to 4 of 4

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