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part is flying in the air when only gravity is applied to it

Question asked by Pascal M on Feb 20, 2012
Latest reply on Feb 26, 2012 by John Sutherland

hello i have this shaft supported in 3 points with only gravity applied to it.

 

the shaft misteriously wont stay on its supports, anyone can figure out why?

 

i have global connector to bonded, then the contact between each support to the shaft is no penetration and node to surface.  fixed contacts are the ones under the 3 supports

 

i wanted to run simulation study to see how stresss, displacement and reaction forces would change if i moved the center support,s height starting being at same height as the 2 others then 1, 2, 3mm...  until it doenst touch anymore

 

thanks

 

W520 solidworks premium x64 2012 SP2

 

20-02-2012 12-07-42 PM.png

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