boundary conditions for hub and shroud -- CFD Online Discussion Forums

March 23, 2009, 21:16	boundary conditions for hub and shroud	#1
Jasmine Member ^_^ Join Date: Mar 2009 Posts: 36 Rep Power: 17	Hey guys, I am simulating a centrifual pump, but not so clear about the boundary conditions. If it is a closed impeller, we should set hub and shroud as "relative velocity =0"? If open impeller, then hub and shroud are walls with "absolute velocity=0“？ Is this understanding right? Thanks!

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