Dear Barry, I have started looking at the code but I miss an example using SNESNASMSetSubdomains. In fact I do not even find a single use of the function in PETSc. Could someone provide me with an example ? Thanks, Nicolas
Le ven. 23 juin 2023 à 02:17, Barry Smith <bsm...@petsc.dev> a écrit : > > A test would be great. > > On Jun 22, 2023, at 3:20 PM, Karin&NiKo <niko.ka...@gmail.com> wrote: > > 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 >> >> >> >