[petsc-users] KSPMonitorSingularValue

[Klaij, Christiaan]

>  What happens at restart to the residual norm? That is does the
>  residual norm change dramatically on the first iteration after
>  the restart? This is an indication of loss of orthogonality.
>
>  You can put in a restart of 1000 and run for 1000
>  iterations. What happens then?
>
>    Barry

1000 is a bit much but I did 100 without restart and 100 with
default restart (every 30 its). I don't see significant change on
the first iteration after the restart.


dr. ir. Christiaan Klaij
CFD Researcher
Research & Development
E mailto:C.Klaij at marin.nl
T +31 317 49 33 44

MARIN
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