-snes_montior_residual is really cool. Anyway I could get it to spit out png images instead of on screen visualization?
On Sat, Mar 15, 2014 at 6:24 PM, Barry Smith <[email protected]> wrote: > > > You can write a custom monitor and set it with TSMonitorSet() > > This routine would call TSGetSNES() then SNESGetSolution() then call > SNESComputeFunction() then call VecView() on the result. > > But note that just because the residual is big somewhere doesn’t mean > the error need be. > > You could also run with -snes_monitor_residual to see how the residual > is being reduced inside the nonlinear solve (that is, what parts of the > residual are most stubborn). > > > Barry > > > On Mar 15, 2014, at 5:47 PM, Mani Chandra <[email protected]> wrote: > > > Hi, > > > > Is there anyway I can VecView the residual after TS has completed an > implicit time step? I'd like to see where in my domain most of the errors > are coming from. I looked at TSMonitor but that doesn't seem to give me > access to the residual at the end of the current time step. > > > > Thanks, > > Mani > >
