[petsc-dev] upper bound for time step

[Barry Smith]

On Dec 25, 2012, at 10:01 PM, Jed Brown <jedbrown at mcs.anl.gov> wrote:

> ./ex8 -help | grep dt_min
>   -ts_adapt_dt_max <1e+50>: Maximum time step considered (TSAdaptSetStepLimits)

   Apple's grep crashes when you pipe that many lines of output to it :-)


> 
> It'll be better once we get searchable interactive configuration going.
> 
> 
> On Tue, Dec 25, 2012 at 9:57 PM, Barry Smith <bsmith at mcs.anl.gov> wrote:
> 
>    Dang, I looked at TSSetFromOptions(), I've got to get use to your new modular design of PETSc :-)
> 
> 
> On Dec 25, 2012, at 7:14 PM, Jed Brown <jedbrown at mcs.anl.gov> wrote:
> 
> > http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/TS/TSAdaptSetStepLimits.html
> >
> >
> > On Tue, Dec 25, 2012 at 7:12 PM, Barry Smith <bsmith at mcs.anl.gov> wrote:
> >
> >    I'd like to be able to set an upper bound for the time-step a method would take. Something like -ts_dt_max <areal>
> >
> >    Barry
> >
> >
> 
>