[petsc-dev] Another SSP method

Emil Constantinescu emconsta at mcs.anl.gov
Wed May 11 09:34:33 CDT 2022


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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