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High Stresses with Bolted Connections and Temperature Loads

Question asked by Rob Cull on Nov 7, 2012
Latest reply on Nov 7, 2012 by Peter Biggert

Hi.  I'm struggling to get realistic results when using a bolted connection in a static study that incorporates a temperature load.

 

Essentially I'm attempting to bolt two metal plates to a metal block, which all have a temperature load of 150C applied to them.  I have uploaded a simplified model which demonstrates the problem that I'm having.  I've run the analysis with no temperature load and everything looks fine, however as soon as I introduce temperature the stresses go through the roof!  Any help or advice would be much appreciated.

 

Rob.

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