On the issue of determining convergence in ProII calculations
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With the same ProII calculation model, it converged during the first run, and all errors in the resulting mass balance were also zero； However, when it is run again after some time, the result may change, and the mass balance error after the change will still be zero. I would like to ask how one can determine whether the result has truly converged or not Thank you!
After it has run, clicking Run again will continue the iteration on top of the already computed results. But the result shouldn’t change, right?
The solution was found because the residual value was set too high; the default value of 0.01 wasn’t sufficient, but setting it to 10e-5 resolved the issue
I’ve encountered this problem as well; the error in my mass balance is still quite large, and that’s because the default residual settings are too coarse. Another issue I faced was a large error in temperature values. Processes with too many iterations tend to achieve pseudo-convergence
Sometimes it doesn’t converge on the first attempt, but it might converge on the second or third try. Even when I increase the number of iterations significantly, it still doesn’t converge. What’s going on?