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Ring + Temperature Increase Simulation

dykg5463

New member
I want to simulate size changes to a steel ring in a furnace. The ring is laying flat in the furance and subject to 1475 degrees Farenheight. When I restrain it (fixtures) in Solidworks, I use the roller/slider and select the bottom face. This is the same face that would be contacting the actual furance table. When I mesh and run I get a message if I want to run with large displacements off, which I select. But I still get huge displacements like over 1000in on a 42" diameter part.

How else could I contrain this part so I could predict the size change acuratly of this ring in a furnace?

Thanks for your help.
 

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