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Forum: Main CFD Forum

August 24, 2011, 18:09

Replies: 15

Y+ value for Large Eddy Simulation

Views: 18,419

Posted By cfdnewbie

yes, at least in the viscous sublayer. The size...

yes, at least in the viscous sublayer. The size of your grid cell (or the number of points per unit length) determine the smallest scale you can catch on a given grid. From information theory, the...

Forum: Main CFD Forum

August 24, 2011, 15:26

Replies: 15

Y+ value for Large Eddy Simulation

Views: 18,419

Posted By cfdnewbie

Here's my attempt: y+=1 is somewhere in the...

Here's my attempt:
y+=1 is somewhere in the laminar sublayer, i.e. the layer that determines your du/dy at the wall and thus all the nasty things like wall friction and heat exchange. Thus, if you...

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