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How to calculate the mesh once I have the thickness BL

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Old   November 21, 2019, 15:05
Default How to calculate the mesh once I have the thickness BL
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Hello everyone

I'm studying boundary layer. When I do an analysis in order of magnitude I get the classic dependence of a thin plate as inverse of the square root of the Reynolds number, so I know the thickness.

So how many cells do I need to model the boundary layer with this thickness? For example, if I calculate \delta\sim 0.01 meters, how many cells should I have between surface and v_{\infty} , three, four?

The problem is stationary and incomprehensible, but viscosity is relevant with the contour condition as null velocity on surface.

My main question is how should I proceed once I know the order of magnitude of the boundary layer

Thanks for everything.

Last edited by jmenendez; November 21, 2019 at 21:18.
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