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Bolted Flange

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drawoh

Mechanical
Oct 1, 2002
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I am trying to re-run the Cosmos simulation I did for thread725-235947. Compared to my original simulation, I enlarged my screws, shrunk my flange down, and increased the external force. It is apparent from looking at my new stress plot that there is a substantial tensile force at the centre of my base which makes my results nonsense.

Is there a way to model accurately a clamped face? I am using a fixed restraint, which I believe produced sufficiently accurate results on my first model.

What I need to model is a face loaded in compression such that it will separate if it sees any tension force.


Critter.gif
JHG
 
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