Convergence then Divergence
Hello all, I have a question about a simulation I have, that starts converging for a good limit and if left to iterate ore it starts to diverge. in this case is it ok if I consider the results before divergence (after reaching a good limit of convergence)? or does this mean that the whole simulation is diverging and useless?
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Re: Convergence then Divergence
No. Convergence is just one of the useful parameters to judge you solution. Look at imbalances too and use monitor points. When the imbalances are 0 and the monitor values are constant, and residuals are below 1e-5, then you might have a converged solution. But then you still need to perfroms checks.
Gert-Jan www.bunova.nl |
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