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Forum: OpenFOAM Running, Solving & CFD

June 15, 2016, 03:30

Replies: 11

LES wall function

Views: 14,961

Posted By ashvinc9

Hi, Sorry for my late reply. Yes, I have made a...

Hi, Sorry for my late reply. Yes, I have made a comparison between the two (rough and smooth) wall functions. In the above mentioned thesis, see Figure 2.3 for smooth and 2.4 for rough wall functions...

Forum: OpenFOAM Running, Solving & CFD

October 7, 2015, 10:56

Replies: 11

LES wall function

Views: 14,961

Posted By ashvinc9

Hi, In current framework of OpenFOAM, all...

Hi,

In current framework of OpenFOAM, all the wall-functions are implemented using subgrid-scale (or eddy) viscosity concept. We therefore write like (e.g. in your case):

wall
{
...

Forum: OpenFOAM Running, Solving & CFD

September 4, 2014, 15:44

Replies: 11

LES wall function

Views: 14,961

Posted By ashvinc9

Wall-function in LES

Hi OFFO,

I doubt it’s not possible to implement the time-averaged velocity for the wall-function in LES, because LES resolves the instantaneous flow not the mean (or time-averaged) flow. Opposite...

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