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Forum: FLOW-3D

February 21, 2012, 10:36

Replies: 6

Large Eddy Simulation Question

Views: 3,068

Posted By JBurnham

The LES model in FLOW-3D is based on the work of...

The LES model in FLOW-3D is based on the work of Smagorinsky. The filter is the cell size, and the sub-grid model is also from Smagorinsky. From the manual: "In the LES model, the effects of...

Forum: FLOW-3D

February 14, 2012, 11:53

Replies: 6

Large Eddy Simulation Question

Views: 3,068

Posted By JBurnham

The distance (call it 'y') used for the log-law...

The distance (call it 'y') used for the log-law equation is the normal from the wall to the centroid of the fluid in the cell that contains the wall or abuts the wall on a cell-face. You might...

Forum: FLOW-3D

February 13, 2012, 11:23

Replies: 6

Large Eddy Simulation Question

Views: 3,068

Posted By JBurnham

Answer: it varies by LES model. The model in...

Answer: it varies by LES model. The model in FLOW-3D uses the logarithmic law-of-the-wall velocity profile in cells that are adjacent to or contain a solid surface. In these cells, the turbulent...

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