[petsc-dev] Another SSP method

[Constantinescu, Emil M.]

Matt, they seem to be provided in Butcher tableau form in the paper. One can register an RK method and use it.

An example (for ARKIMEX) is here: https://petsc.org/release/src/ts/tutorials/ex19.c.html

Emil

From: petsc-dev <petsc-dev-bounces at mcs.anl.gov> on behalf of Matthew Knepley <knepley at gmail.com>
Date: Wednesday, May 11, 2022 at 6:01 AM
To: PETSc <petsc-dev at mcs.anl.gov>
Subject: [petsc-dev] Another SSP method
Someone from my class requested

  R. J. Spiteri, S. J. Ruuth, A new class of optimal high-order strong-stability-
preserving time discretization methods, SIAM J. Numer. Anal. 40 (2002) 469-491.


which is a fourth order, five stage method that we do not appear to have. How hard is this to add?

  Thanks,

     Matt

--
What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead.
-- Norbert Wiener

https://www.cse.buffalo.edu/~knepley/<http://www.cse.buffalo.edu/~knepley/>
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