cashocs.nonlinear_solvers

Custom solvers for nonlinear equations.

This module has custom solvers for nonlinear PDEs, including a damped Newton method and a Picard iteration for coupled problems.

Functions

linear_solve(linear_form, u, bcs[, ...])	Solves a linear problem.
newton_solve(nonlinear_form, u, bcs[, ...])	Solves a nonlinear problem with Newton's method.
picard_iteration(form_list, u_list, bcs_list)	Solves a system of coupled PDEs via a Picard iteration.
snes_solve(nonlinear_form, u, bcs[, ...])	Solve a nonlinear PDE problem with PETSc SNES.
ts_pseudo_solve(nonlinear_form, u, bcs[, ...])	Solve a nonlinear PDE problem with PETSc TS and pseudo time stepping.

Modules

linear_solver	Linear solver for linear PDEs.
newton_solver	Newton solver for nonlinear PDEs.
picard_solver	A Picard iteration for coupled PDEs.
snes	Interface for the PETSc SNES solver for nonlinear equations.
ts	Interface for the PETSc TS solver for pseudo time stepping.