GMGSolver< dim, degree > Class Template Reference

Class that handles the assembly and solving of a field with a GMG preconditioner. More...

#include <linear_solver_gmg.h>

Inheritance diagram for GMGSolver< dim, degree >:

Public Types
using	SystemMatrixType = customPDE< dim, degree, double >
using	LevelMatrixType = customPDE< dim, degree, float >
using	VectorType = dealii::LinearAlgebra::distributed::Vector< double >
using	MGVectorType = dealii::LinearAlgebra::distributed::Vector< float >
Public Types inherited from linearSolverBase< dim, degree >
using	SystemMatrixType = customPDE< dim, degree, double >
using	VectorType = dealii::LinearAlgebra::distributed::Vector< double >

Public Member Functions
	GMGSolver (const userInputParameters< dim > &_user_inputs, const variableAttributes &_variable_attributes, const matrixfreeHandler< dim > &_matrix_free_handler, const constraintHandler< dim > &_constraint_handler, const triangulationHandler< dim > &_triangulation_handler, const dofHandler< dim > &_dof_handler, dealii::MGLevelObject< matrixfreeHandler< dim, float > > &_mg_matrix_free_handler, solutionHandler< dim > &_solution_handler)
	Constructor.
	~GMGSolver () override
	Destructor.
void	init () override
	Initialize the system.
void	reinit () override
	Reinitialize the system.
void	solve (const double step_length=1.0) override
	Solve the system Ax=b.
Public Member Functions inherited from linearSolverBase< dim, degree >
	linearSolverBase (const userInputParameters< dim > &_user_inputs, const variableAttributes &_variable_attributes, const matrixfreeHandler< dim > &_matrix_free_handler, const constraintHandler< dim > &_constraint_handler, solutionHandler< dim > &_solution_handler)
	Constructor.
virtual	~linearSolverBase ()=default
	Destructor.

Additional Inherited Members
Protected Member Functions inherited from linearSolverBase< dim, degree >
void	compute_solver_tolerance ()
	Compute the solver tolerance based on the specified tolerance type.
Protected Attributes inherited from linearSolverBase< dim, degree >
const userInputParameters< dim > &	user_inputs
	User-inputs.
const variableAttributes &	variable_attributes
	Variable attributes for field.
const matrixfreeHandler< dim > &	matrix_free_handler
	Matrix-free object handler for non-multigrid data.
const constraintHandler< dim > &	constraint_handler
	Constraint handler.
solutionHandler< dim > &	solution_handler
	Solution handler.
const unsigned int	field_index
	The field index we are solving.
std::unordered_map< std::pair< unsigned int, dependencyType >, unsigned int, pairHash >	residual_global_to_local_solution
	Mapping from global solution vectors to the local ones for the residual solve.
std::vector< VectorType * >	residual_src
	Subset of fields that are necessary for the source of the residual solve.
VectorType *	residual
	Residual vector.
std::unordered_map< std::pair< unsigned int, dependencyType >, unsigned int, pairHash >	newton_update_global_to_local_solution
	Mapping from global solution vectors to the local ones for the newton update.
std::vector< VectorType * >	newton_update_src
	Subset of fields that are necessary for the source of the newton update.
VectorType *	newton_update
	Newton update vector.
std::unique_ptr< SystemMatrixType >	system_matrix
	PDE operator for the residual side.
std::unique_ptr< SystemMatrixType >	update_system_matrix
	PDE operator for the newton update side.
std::map< unsigned int, variableAttributes >	subset_attributes
	Subset attributes.
dealii::SolverControl	solver_control
	Solver control.
double	tolerance = 0.0
	Solver tolerance.

Detailed Description

template<int dim, int degree>
class GMGSolver< dim, degree >

Class that handles the assembly and solving of a field with a GMG preconditioner.

Member Function Documentation

init()

template<int dim, int degree>

void GMGSolver< dim, degree >::init ( )

inlineoverridevirtual

Initialize the system.

Implements linearSolverBase< dim, degree >.

reinit()

template<int dim, int degree>

void GMGSolver< dim, degree >::reinit ( )

inlineoverridevirtual

Reinitialize the system.

Implements linearSolverBase< dim, degree >.

solve()

template<int dim, int degree>

void GMGSolver< dim, degree >::solve ( const double  step_length = 1.0 )

inlineoverridevirtual

Solve the system Ax=b.

Implements linearSolverBase< dim, degree >.

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

• /home/runner/work/phaseField/phaseField/include/prismspf/solvers/linear_solver_gmg.h