in the literature what kind of
> preconditioner you should use.
>
> Best,
>
> Bruno
>
> On Thursday, April 15, 2021 at 4:21:21 AM UTC-4 bunel...@gmail.com wrote:
>
>>
>> Hi,
>> I'm having a problem for some values of parameters in my code.
>
Hi,
I'm having a problem for some values of parameters in my code.
I get an error "dealii::SolverControl::NoConvergence", almost instantly
after the start of the solving process. The status at the end is this :
"Iterative method reported convergence failure in step 1959. The residual
in the
