[petsc-users] fixed RK time stepping

[Gideon Simpson]

I’m trying to do RK4 time stepping for comparison in another problem, and I’m having trouble getting the TS to save at the same values of dt.  There seems to be some automatic adjustment.  Ordinarily this would be fine, but I’d really like to use a fixed value.  Is there a way to force it to use a given dt at all time steps?

-gideon

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