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using shrink fit in a nonlinear dynamic analysis

Question asked by Steve Fiacchino on Aug 25, 2011

I have an assembly with two shrink fit joints that I would like to analyze contact pressures in the time domain during an impact load. For some reason one of the two shrink fit joints will not solve properly. I get a warning about a zero response (???) and after the assembly solves, one of the press fit joints shows no stress or deflection. Can anybody tell be the best setup to run a shrink fit joint in a nonlinear dynamic study? i.e. advanced contact detail, best solver to use, mesh quality, etc...