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Showing results 1 to 5 of 5 Search took 0.00 seconds. Search: Posts Made By: FMDenaro

Forum: Main CFD Forum April 17, 2015, 11:59

Replies: 9 Grid difference between wall modeled LES and wall resolved LES Views: 4,843 Posted By FMDenaro yes, obviously near walls you do not have a... yes, obviously near walls you do not have a single characteristic scale

Forum: Main CFD Forum April 16, 2015, 11:57

Replies: 9 Grid difference between wall modeled LES and wall resolved LES Views: 4,843 Posted By FMDenaro I used the cell Reynolds number, if it is... I used the cell Reynolds number, if it is computed with the reference lenght based on your local mesh size and the result is O(1) that means you are allowing diffusive and convective flux to be...

Forum: Main CFD Forum April 16, 2015, 08:22

Replies: 9 Grid difference between wall modeled LES and wall resolved LES Views: 4,843 Posted By FMDenaro the better explanation is that the grid size in... the better explanation is that the grid size in the boundary layer should be enough fine to ensure locally Re_h = O(1). This way, convective and diffusive fluxes are resolved at the same magnitude...

Forum: Main CFD Forum April 15, 2015, 16:06

Replies: 9 Grid difference between wall modeled LES and wall resolved LES Views: 4,843 Posted By FMDenaro a general advice for wall-resolved LES is to have... a general advice for wall-resolved LES is to have 3-4 computational nodes whithin y+<1 (viscous sublayer). cell sizes in non-confined directions can be also up h+ =O(20)-O(30)

Forum: Main CFD Forum April 15, 2015, 07:20

Replies: 9 Grid difference between wall modeled LES and wall resolved LES Views: 4,843 Posted By FMDenaro wall-resolved grids in LES is quite similar to... wall-resolved grids in LES is quite similar to DNS grid...you do not filter at such scales

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