dolfinx.cpp.nls.petsc
PETSc-specific nonlinear solvers
Classes
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- class dolfinx.cpp.nls.petsc.NewtonSolver(self, comm: MPICommWrapper)
Bases:
object- property atol
Absolute tolerance
- property convergence_criterion
Convergence criterion, either ‘residual’ (default) or ‘incremental’
- property error_on_nonconvergence
(self) -> bool
- property krylov_solver
(self) -> object
- property max_it
Maximum number of iterations
- property relaxation_parameter
Relaxation parameter
- property report
(self) -> bool
- property rtol
Relative tolerance
- setF
- setJ
- setP
- set_convergence_check
- set_form
- set_update
- solve