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tangential velocity on a velocity inlet in 2D

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Old   July 3, 2007, 08:42
Default tangential velocity on a velocity inlet in 2D
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I'm trying to specify a tangential velocity on a velocity inlet in 2 D on a circle. However, there's no option to switch the velocity boundary condition to tangential. In addition, I don't know if the coordinate system can be changed to polar coordinates in 2D.

I'd appreciate any help!

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