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Stress components parallel and perpendicular to weld lines?

Question asked by Ryan McGuinness on Feb 27, 2013
Latest reply on Mar 6, 2013 by Jared Conway



I'm trying to answer a question for a colleague.  He is trying to output the principal stress vectors along a weld.  From there they want to break the P1/2/3 stresses into XYZ components to see the stresses along the weld and perpendicular to the weld to attempt to predict failure.


I can not figure out how to get principal stress vectors.  All I see are values and the node location but not a unit vector to indicate direction of the stress.  Is this possible with SW?  More generally, is there a better way to predict failure at the weld?


Also, is there any way to output P1 P2 and P3 at a given node (MAX P1 location for example) or all nodes in one list.  It seems I have to output 3 separate lists and then combine them myself in excel.


Ryan M.