[petsc-dev] How come TSBDF has its own flag for turning on adaptivity?

Lisandro Dalcin dalcinl at gmail.com
Wed Apr 19 07:48:41 CDT 2017

On 19 April 2017 at 14:24, Jed Brown <jed at jedbrown.org> wrote:
>> Lisandro Dalcin <dalcinl at gmail.com> writes:
>> I would like your opinion on code located at TSSetUp_BDF() related to
>> clipping factors. I'm restricting the high clipping factor to 2.0, as
>> the default (10.0) is too much in practice,
> I definitely believe that for BDF.  Not sure I believe it for some
> one-step methods.  Are you intending to change it for all methods or
> just for BDF?

As I said, this clipping factor reduction happens just in
TSSetUp_BDF(), so other methods are not affected at all:


Lisandro Dalcin
Research Scientist
Computer, Electrical and Mathematical Sciences & Engineering (CEMSE)
Extreme Computing Research Center (ECRC)
King Abdullah University of Science and Technology (KAUST)

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