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intersection of meshes in centrifugal pump

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Old   October 4, 2011, 03:45
Default intersection of meshes in centrifugal pump
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hi everybody
i want to import 2 meshes of a complete pump, impeller mesh(rotating part)and casing(stationary part) but when i import 2 meshes and i want to create the frozen rotor interface between them,meshes have an small overlap region i mean the two side of interface is not connect to each other in this case i think i should use the intersection option in interface window in my question is :
what is the best model of intersection for my case?
what happen if i dont use intersection?
thank you
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