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Problems in ASPEN DYNAMICS

2010-04-08View Original

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During dynamic simulation, since I need to simulate the driving process, I use scripts to initialize the model. However, the following error appears during simulation: Group 1: Non-linear solver failed to converge. Cannot converge below specified tolerance. What could be the reasons for this? Thank you all!
Reply #22010-04-09
If there are problems with the Non-linear solver, you can check the option Homotopy-enable under the solver-Non-linear solver settings; this homotopy algorithm is quite effective for achieving convergence in nonlinear calculations.:) Please give it a try

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