https://fenicsproject.discourse.group/t/convergence-help-for-monolithic-phase-field-solver-with-fieldsplit-preconditioner/18270
Convergence Help for Monolithic Phase-Field Solver with Fieldsplit Preconditioner - dolfinx -...
Oct 16, 2025 - I am implementing a phase-field model for brittle fracture and have run into a classic numerical stability issue where the solver converges perfectly during...
convergencehelpmonolithicphase
https://lists.mcs.anl.gov/pipermail/petsc-users/2018-September/036133.html
[petsc-users] FIELDSPLIT fields
petscusersfields