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Flow-induced moving boundary

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Old   June 7, 2010, 14:04
Unhappy Flow-induced moving boundary
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Alex Wouden
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How would one define a moving boundary that isn't moving but is able to move?

I am looking at a CFD analysis in which the the flow itself is the cause of the surface movement (reverse to defining constant moving boundary conditions).

Eventually, I will move to more complex geometries. However, I first want to consider a case such that a flow stream is directed toward a perpendicular flat plate. I need the flat plate to react according to the force created by the stream.
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