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Ok , what if my peak stress are at the weld location, ie suppose if i have a bracket and a pad , then the peak stress will be at the corners of the bracket where it is touching the pad , where in reality weld will be der, So i was takng one node away from the peak stress and doing linearisation...

TGS4 so u mean to say m, that linearisation should be done at the peak node.

in ansys i think u give no separation as a contact type ...... dont know how to do it in ls dyna

Hello Mike , Yes i am using ASME code for the design.

Hello ppl , I have a query regarding a FEA analysis of a pressure vessel: Suppose i have a shell and inside to it a bracket is welded and along with a pad , I have got the stress results form Ansys , i see that the maximum stress in the shell is the corner of the bracket pad .these are due...