[petsc-users] Solution "jumps" after setting timestep

Moritz.Huck at isea.rwth-aachen.de Moritz.Huck at isea.rwth-aachen.de
Wed Dec 12 04:09:27 CST 2018


sorry I missed the last response.


The system should be index 1 (being not a 100% certain I calculated
everything correct, it can be at most of index 2).

I cannot show the code easily, the code is quite complex (the system arises
from a FEM discretization).

As additional information the solution also jumps when the adaptive solver
reduces the timestep by a large amount.


Best Regards,





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