General Mechanical

General Mechanical

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How to change Analysis iterations and Convergence percentage of error ?

    • JaeYeol
      Subscriber

      After analyzing the beam, I checked several results. However, some parts were confirmed that were different from the predicted data.


      1. I want to do an interpretation with more iterations and less convergence percentage of error. How do I change it?


      2. Check the existing questions and answers, and change the iteration number in Static structure -> Commands -> NEQIT. However, the iterations checked in Solution Information -> USE PRECONDITIONED CONJUGATE GRADIENT SOLVER part are always the same as 179.

      Did I check it wrong? Is there a right way?

      Thanks!

    • 1shan
      Ansys Employee
      You can change the convergence tolerance under Analysis settings>Non linear controls>force convergence "ON" and set the required tolerance. The NEQIT command should override the default 26 max iterations to a user specified value(lets say 100). You can verify this under solution information by searching for - "MAXIMUM NUMBER OF EQUILIBRIUM ITERATIONS HAS BEEN MODIFIEDTO BE, NEQIT = 100"
      Regards Ishan.
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