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Re: [Question #149194]: convergence problem with coupled poisson equations

 

Question #149194 on DOLFIN changed:
https://answers.launchpad.net/dolfin/+question/149194

    Status: Open => Answered

Garth Wells proposed the following answer:
You may need to break your solution strategy down into steps, i.e.
repeated Newton solves for increasing driving terms (RHS or boundary
values). For strong nonlinearities, the Newton solver may fail.

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