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3rd Principle Stress results are supprising...

Question asked by Chris Bargman on Sep 27, 2012
Latest reply on Oct 1, 2012 by Bill McEachern




The above picture is the simulation in question.  I have applied 100Mpa of pressure to the cavity surface. 


My first question is why are the arrows so speratic?  there are no arrows showing pressure in the corrner even though I do have pressure applied there...  Do the arrows really mean anything at all?


The more pressing matter is the stress ammounts.  From what I understand I should be seeing an equarilibrium on the surface where the pressure is being applied.  That means I should see -100Mpa across the whole thing or blue in the picture.  Why do the corners show above -70Mpa?  Is the program for some reason only applying pressure to the flat surfaces that could explain the odd numbers.