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What does Convergence Tolerances mean in Abaqus?

Shahrukh_Islam

Shahrukh_Islam

Civil/Environmental
Joined
Feb 29, 2024
Messages
10
Location
US
Hello everyone, I have been asked about the parameters of convergence tolerances for Abaqus - RIKS analysis that I had. I have attached all the parameters to this image that I have used. Could anyone tell me if the "stopping criteria" is similar to "convergence tolerances"? If not, where should I be looking for that?


1748550048397.png



1748550059306.png
 
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The Riks step is completed when the specified maximum LPF or displacement value is reached. Otherwise, it runs for the specified maximum number of increments.

Convergence criteria can be found and changed in the Step module under Other —> General Solution Controls (*CONTROLS keyword).
 
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