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Forum: OpenFOAM

May 16, 2013, 17:17

Replies: 22

LES supersonic free jet

Views: 10,688

Posted By openfoammaofnepo

Hi, 2D LES is meaningless for real...

Hi,

2D LES is meaningless for real turbulence but it is still a good case for code debugging.

Forum: OpenFOAM

May 16, 2013, 11:24

Replies: 22

LES supersonic free jet

Views: 10,688

Posted By openfoammaofnepo

In that case, if the mesh is fine enough, that is...

In that case, if the mesh is fine enough, that is DNS; if the mesh is a little reduced, that will be similar to implicit LES.

Forum: OpenFOAM

May 16, 2013, 09:09

Replies: 22

LES supersonic free jet

Views: 10,688

Posted By openfoammaofnepo

For the LES case, I think the reason is the mesh...

For the LES case, I think the reason is the mesh is not fine enough. How small is your mesh edge in this case?

Can you plot out the RMS of axial velocity for several different axial positions?

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