|October 16, 2012, 18:54||
LES filtering question
Join Date: Aug 2012
Posts: 35Rep Power: 6
I am confused by the filtering operation in LES. I am running an LES of a turbulent free jet using the oneEqEddy SGS model and a cube root volume delta.
How is the filtering operation applied in this case? Is it being filtered by my grid (are the SGS stresses calculated based on local grid spacing) or is there an explicit filtering step taking place?
|October 18, 2012, 03:08||
Join Date: Nov 2010
Posts: 78Rep Power: 8
In your case, the filtering operation is not applied at all. Filtering is applied just in dynamic models, like dynOneEqEddy, and it is done by averaging over the cell.
|les, les grid|
|Thread||Thread Starter||Forum||Replies||Last Post|
|Naive question about turbulence and LES||Renato||Main CFD Forum||1||October 4, 2005 23:01|
|question about LES||gino briganti||FLUENT||3||June 27, 2005 06:05|
|A question about LES||yfjma||OpenFOAM Installation||0||May 31, 2005 00:10|
|A Question on the Dynamic procedure in LES||dragon||Main CFD Forum||1||April 28, 2005 15:11|
|Dynamic filtering for LES||Takuya TSUJI||Main CFD Forum||1||July 14, 1999 02:17|