[petsc-users] Obtaining TS rosw solver output at regular time steps

[Jed Brown]

Fiona Reid <fiona at epcc.ed.ac.uk> writes:

> Apologies everyone, I have another somewhat related question.
>
> If I actually want to use a variable time step with RosW is there any 
> way to output the results at regular 0.05 seconds intervals? I realise 
> this will interpolate between two points but it would be good to be able 
> to plot all my data for the same time values.
>
> Using "-ts_adapt_type none" doesn't quite give me a "good enough" solution.

I recommend writing a monitor (TSMonitorSet) that checks whether an
"interesting" time has been passed on the step that just completed, then
use TSInterpolate() to obtain a solution at that "interesting" time.
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