Parameters related to the linear solver. More...

Collaboration diagram for PHiLiP::Parameters::LinearSolverParam:

Public Types
enum	LinearSolverEnum { direct, gmres }
	Types of linear solvers available. More...

Public Member Functions
void	parse_parameters (dealii::ParameterHandler &prm)
	Parses input file and sets the variables.

Static Public Member Functions
static void	declare_parameters (dealii::ParameterHandler &prm)
	Declares the possible variables and sets the defaults.

Public Attributes
OutputEnum	linear_solver_output
	Can either be verbose or quiet. More...

LinearSolverEnum	linear_solver_type
	direct or gmres.

double	ilut_drop
	Threshold to drop terms close to zero.

double	ilut_rtol
	Multiplies diagonal by ilut_rtol for more diagonal dominance.

double	ilut_atol
	Add ilu_rtol to diagonal for more diagonal dominance.

int	ilut_fill
	ILU fill-in.

double	linear_residual
	Tolerance for linear residual.

int	max_iterations
	Maximum number of linear iteration.

int	restart_number
	Number of iterations before restarting GMRES.

double	newton_residual
	Tolerance for Newton iteration residual (for Jacobian-free Newton-Krylov)

int	newton_max_iterations
	Maximum number of Newton iterations (for Jacobian-free Newton-Krylov)

double	perturbation_magnitude
	Small perturbation magnitude for Jacobian-free methods.

Detailed Description

Parameters related to the linear solver.

Definition at line 13 of file parameters_linear_solver.h.

Member Enumeration Documentation

Types of linear solvers available.

Enumerator

gmres

LU.

GMRES.

Definition at line 17 of file parameters_linear_solver.h.

OutputEnum PHiLiP::Parameters::LinearSolverParam::linear_solver_output

Can either be verbose or quiet.

Verbose will print the full dense matrix. Will not work for large matricesquiet or verbose.

Definition at line 25 of file parameters_linear_solver.h.

The documentation for this class was generated from the following files: