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How do you know if your FEA results are correct? How do you let others believe in your FEA results? What did you do to verify your FEA results?

Question asked by S. Y. on Jun 20, 2019
Latest reply on Jun 21, 2019 by S. Y.
It's said, 50 years ago, engineer guy had to do some experiments or test to verify the FEA result; 20 years ago, engineer guy had to do some classic method calculation to verify the FEA result.
There are many FEA tools available today, and SolidWorks Simulation is one of the most used tools. However, the more cases I used for, the more concern I have. I am not sure whether you guy have the same opinion?