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Showing results 1 to 8 of 8 Search took 0.00 seconds. Search: Posts Made By: sbaffini

Forum: Main CFD Forum August 6, 2010, 20:24

Replies: 19 LES and DNS Views: 6,919 Posted By sbaffini Hi Maani, i'm not very confident with such... Hi Maani, i'm not very confident with such schemes in LES. In general, you can always find a grid which is fine enough to perform a good LES with a certain scheme but it could be much more costly...

Forum: Main CFD Forum November 22, 2009, 18:38

Replies: 19 LES and DNS Views: 6,919 Posted By sbaffini Hi yes, my thesis is about LES, more... Hi yes, my thesis is about LES, more precisely on "The Quality and Reliability of Large Eddy Simulation in a Commercial CFD Solver" and, as emerges from the title, it is in English. I suppose...

Forum: Main CFD Forum November 19, 2009, 12:44

Replies: 19 LES and DNS Views: 6,919 Posted By sbaffini Well, actually i'm still a graduate student (even... Well, actually i'm still a graduate student (even if a pretty old one, i'm 26 :o) and i'm going to discuss my graduation thesis the next month. The professor you googled is definitely my grandfather,...

Forum: Main CFD Forum November 19, 2009, 09:40

Replies: 19 LES and DNS Views: 6,919 Posted By sbaffini Don't worry about the english as the mine is even... Don't worry about the english as the mine is even worst...and, by the way, we can also go back to Paolo, instead of Mr. ;) It is interesting to know about what you wrote as i expected that the...

Forum: Main CFD Forum November 17, 2009, 03:02

Replies: 19 LES and DNS Views: 6,919 Posted By sbaffini Well, i'm not sure but i presume that it is... Well, i'm not sure but i presume that it is dependent on the roughness (or the specific case). In general, the roughness will introduce some disturbance in the flow hence the laminar sub-layer will...

Forum: Main CFD Forum November 16, 2009, 08:00

Replies: 19 LES and DNS Views: 6,919 Posted By sbaffini Well, before to answer your questions, in my... Well, before to answer your questions, in my knowledge the prediction of flow instabilities is a very complicated task. Roughly speaking, you have to be sure that the scale at which the instability...

Forum: Main CFD Forum November 15, 2009, 04:57

Replies: 19 LES and DNS Views: 6,919 Posted By sbaffini 1) In Fluent (6.3.26) there are two kind of wall... 1) In Fluent (6.3.26) there are two kind of wall functions: the one based on the Werner and Wengle model, which can only be activated by the TUI, and the basic approach which is effectively always...

Forum: Main CFD Forum November 12, 2009, 14:59

Replies: 19 LES and DNS Views: 6,919 Posted By sbaffini Roughly speaking, there are two possible... Roughly speaking, there are two possible approaches in LES: explicit filtering: a numerical filtering procedure is applied at some terms of the equations at each time step. This filtering...

Showing results 1 to 8 of 8

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