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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

Hello,

 

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.

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