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Convergence criteria

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I have seen that SimSolid use the Multi-Pass Adaptive (MPA) algorithm. It means that SimSolid uses multiple solution steps, increasing the total degrees-of-freedom and the polynomial level with each step until measures have converged. Thus, I wonder what is the convergence criteria used in SimSolid ?


Also, I have noticed that sometimes, stress do not converge when I specify a higher number of solution passes. Do you have some advice to avoid this kind of issues?


Thank you for your help.




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