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Analysis of a spherical bearing

Question asked by Jahee Campbell on Mar 16, 2012
Latest reply on Apr 12, 2013 by Jared Conway

I'm trying to model a spherical bearing for a project I'm doing at university, I've drawn the model and it behaves as it should when I manually manipulate the model, rotating freely in the housing, however when I try and run any analysis on it in simulation to ensure it behaves as it should when it's used in the assembly it is to be inserted in, the bearing becomes rigid and I get some very strange and inaccurate results..

 

Does anyone have any experience with designing these, I'm sure it's a simple problem but it's had me baffled for a couple of weeks now.

 

I can provide pictures and models along with any other information anyone needs if requested.

 

Thanks in advance

Edit: There are no interferences, i've set the global contact to 'no penetration' and defined the surfaces that shouldn't be penetrated using the component contact definitions under connections drop down

First picture uploaded is the bearing assembly

Second picture is the analysis, with a simple bolt inserted to act as a lever.

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