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Simulation extruded part vs sheet metal part vs treat as solid sheet metal part

Question asked by Michael Hoft on Jul 19, 2011
Latest reply on Jul 20, 2011 by Michael Feeney

I created 3 simple assemblies, each have an identical .25 x 3 x 12 plate with a 1 inch dia disk x .10 centered on it.

All plain carbon steel. The assembly is constrained the same in all three instances with a 400 pound load on each disk. The only difference is that the .25 x 3 x 12 plate was created 3 different ways:

 

First one was created as an extruded part

 

Second one as a sheet metal part

 

Third one was changed to "treat as solid" in the Simulation run.

 

I got 3 very

differant deflections in Simulation.

 

My question is: Should they all not be the same?

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