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What is the BC for pressure on moving boundary?

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Old   May 14, 2010, 21:39
Lightbulb What is the BC for pressure on moving boundary?
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Hi all,
I am trying to solve flow past moving cylinder over cartesian mesh using pressure correction method. What I understand from papers is that we apply boundary condition to pressure correction, p' using dp'/dn=rho/dt*(u'.n). Is this correct? How is such expression derived?
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