Thank you Barry. I will try this. Should I provide a test in src/binding/petsc4py/test/test_snes.py ?
Le jeu. 22 juin 2023 à 20:41, Barry Smith <bsm...@petsc.dev> a écrit : > > You are not missing anything. The petsc4py stub for > SNESNASMSetSubdomains() has not been written. You could add it by adding to > > src/petsc4py/PETSc/SNES.pyx and src/petsc4py/PETSc/petscsnes.pxi and then > make a merge request https://petsc.org/release/developers/contributing/ to > get > it into PETSc. > > On Jun 22, 2023, at 1:54 PM, Karin&NiKo <niko.ka...@gmail.com> wrote: > > Dear PETSc team, > > I would like to play with aspin-type nonlinear solvers. I have found > several tests like snes/tutorials/ex19.c but they all use DA, which I don't > want to use since I need to stick at the algebraic level. > Then, I started looking at petsc4py/demo/ode/heat.py and tried to set up > things. > Unfortunately, I get the error "DM has no default decomposition defined. > Set subsolves manually with SNESNASMSetSubdomains()" which, I think, I do > understand. > But I do not find any implementation of the SNESNASMSetSubdomains in > petsc4py. > Am I missing something ? > Thanks, > Nicolas > > >
