What is wrong in the SW Simulation settings?

200 Celsius and 50 bar (5 MPa) pressure. The material is 316L. According to the 2014 SolidWorks static simulation (even 2015 SW) the 4 mm wall thickness is not enough. That is not correct. According to the classic calculation is enough. The simulation setting was Large displacement, but other settings had the same result. I am helpless what did i wrong that i can't get result in harmony with the calculation. Do you have any idea?

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3 Answers

Try with a small meshing configuration.

 
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I changed it 0.5 mm size, and 8 is the number of elements in a circle. Abit better the result but beyond the yield strength.

 
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