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Hello, For me it's a matter of post-processing related to stress averaging. It seems in the model on the left the stress is averaged at the 2 components interface hence the smoother result while on the right it isn't hence the discontinuity at the common edge between the tube and the plate...

Thanks for your replies, Greglocock: The only problem is that I don't have access to a non-linear solver at work. We use CATIA V5 and we don't have the non-linear module. However even if we acquire it, I'd still like to be able to check my assumptions before running non-linear analysis ...

Sorry hit "post" too quickly please refer to http://www.eng-tips.com/viewthread.cfm?qid=321899

Hey, I'm a relatively recent graduate (6 months) and have been using structural FEA for a year now. I think I understand most of the basic theory behind it but I just have one practical question that I can't seem to find an answer to in books. I understand that a static linear isotropic FEA...

Hey, I'm a relatively recent graduate (6 months) and have been using structural FEA for a year now. I think I understand most of the basic theory behind it but I just have one practical question that I can't seem to find an answer to in books. I understand that a static linear isotropic FEA...