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Boundary condition using user subroutine

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Old   July 6, 2009, 10:47
Default Boundary condition using user subroutine
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I have a user subroutine of inlet boundary condition (bcdefi.f) and a local coordinate system. If I need to define the direction of velocity based on a local coordinate system, what command should I use?

I would very much appreciate if anyone is able to share his/her experience on this case.
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