Defines step solvers class. Solver. More...

#include <pzmganalysis.h>

Inheritance diagram for TPZStepSolver< TVar >:

Collaboration diagram for TPZStepSolver< TVar >:

Public Member Functions
	TPZStepSolver (TPZAutoPointer< TPZMatrix< TVar > > refmat=0)

	TPZStepSolver (const TPZStepSolver< TVar > &copy)

virtual	~TPZStepSolver ()

void	SetSOR (const int64_t numiterations, const REAL overrelax, const REAL tol, const int64_t FromCurrent)

void	SetSSOR (const int64_t numiterations, const REAL overrelax, const REAL tol, const int64_t FromCurrent)

void	SetJacobi (const int64_t numiterations, const REAL tol, const int64_t FromCurrent)

void	SetCG (const int64_t numiterations, const TPZMatrixSolver< TVar > &pre, const REAL tol, const int64_t FromCurrent)

void	SetGMRES (const int64_t numiterations, const int numvectors, const TPZMatrixSolver< TVar > &pre, const REAL tol, const int64_t FromCurrent)

void	SetBiCGStab (const int64_t numiterations, const TPZMatrixSolver< TVar > &pre, const REAL tol, const int64_t FromCurrent)

void	SetDirect (const DecomposeType decomp)

void	SetMultiply ()

virtual TPZSolver< TVar > *	Clone () const override
	Clones the current object returning a pointer of type TPZSolver. More...

void	SetTolerance (REAL tol)

REAL	GetTolerance () const
	return the value of tolerance from the solver More...

void	ResetSolver ()
	reset the data structure of the solver object More...

virtual TPZMatrixSolver< TVar >::MSolver	Solver () override

std::list< int64_t > &	Singular ()
	returns the equations for which the equations had zero pivot More...

virtual void	ResetMatrix () override
	This method will reset the matrix associated with the solver. More...

virtual void	UpdateFrom (TPZAutoPointer< TPZMatrix< TVar > > matrix) override
	Updates the values of the current matrix based on the values of the matrix. More...

void	Solve (const TPZFMatrix< TVar > &F, TPZFMatrix< TVar > &result, TPZFMatrix< TVar > *residual=0) override
	Solves the system of linear equations. More...

virtual void	Decompose () override
	Decompose the system of equations if a direct solver is used. More...

void	SetPreconditioner (TPZSolver< TVar > &solve)
	Define the preconditioner as a solver object. More...

int	NumIterations ()
	Number of iterations of last solve. More...

TPZSolver< TVar > *	PreConditioner ()
	access method to the preconditioner More...

int	ClassId () const override
	Serialization methods. More...

void	Write (TPZStream &buf, int withclassid) const override
	Writes this object to the TPZStream buffer. Include the classid if withclassid = true. More...

void	Read (TPZStream &buf, void *context) override
	read objects from the stream More...

Public Member Functions inherited from TPZMatrixSolver< TVar >
	TPZMatrixSolver (TPZAutoPointer< TPZMatrix< TVar > > Refmat)
	Constructor with initialization parameter. More...

	TPZMatrixSolver ()

	TPZMatrixSolver (const TPZMatrixSolver< TVar > &Source)
	Copy constructor. More...

virtual	~TPZMatrixSolver ()
	Destructor. More...

virtual void	SetMatrix (TPZAutoPointer< TPZMatrix< TVar > > Refmat)
	Sets a matrix to the current object. More...

virtual void	SetReferenceMatrix (TPZAutoPointer< TPZMatrix< TVar > > matrix)
	This method gives a preconditioner to share a matrix with the referring solver object. More...

TPZAutoPointer< TPZMatrix< TVar > >	Matrix () const
	Returns a pointer to TPZMatrix<> More...

void	ReallocMatrix ()

void	ShareMatrix (TPZMatrixSolver< TVar > &other)
	Shares the current matrix with another object of same type. More...

Public Member Functions inherited from TPZSolver< TVar >
virtual	~TPZSolver ()
	Destructor. More...

Public Member Functions inherited from TPZSavable
	TPZSavable ()

virtual	~TPZSavable ()

virtual std::list< std::map< std::string, uint64_t > >	VersionHistory () const

virtual std::pair< std::string, uint64_t >	Version () const

virtual bool	Compare (TPZSavable *copy, bool override=false)
	Compares the object for identity with the object pointed to, eventually copy the object. More...

virtual bool	Compare (TPZSavable *copy, bool override=false) const
	Compares the object for identity with the object pointed to, eventually copy the object. More...

Public Member Functions inherited from TPZRegisterClassId
template<typename T >
	TPZRegisterClassId (int(T::*)() const)

	TPZRegisterClassId ()=default

Private Attributes
TPZMatrixSolver< TVar >::MSolver	fSolver

DecomposeType	fDecompose

int64_t	fMaxIterations
	Maximum number of iterations. More...

int64_t	fNumIterations
	Number of iterations of last solve. More...

int	fNumVectors

REAL	fTol

REAL	fOverRelax

TPZSolver< TVar > *	fPrecond
	Solver using preconditioner matrix. More...

int64_t	fFromCurrent

std::list< int64_t >	fSingular

Additional Inherited Members
Public Types inherited from TPZMatrixSolver< TVar >
enum	MSolver { ENoSolver, EJacobi, ESOR, ESSOR, ECG, EGMRES, EBICGSTAB, EDirect, EMultiply }
	Defines a series of solvers available in PZ. More...

Static Public Member Functions inherited from TPZSavable
static std::set< TPZRestoreClassBase * > &	RestoreClassSet ()
	This static function guarantees that the gMap object is available when needed. More...

static std::map< int, TPZRestore_t > &	ClassIdMap ()
	This static function guarantees that the gMap object is available when needed. More...

static std::pair< std::string, uint64_t >	NeoPZVersion ()

static void	Register (TPZRestoreClassBase *restore)

static void	RegisterClassId (int classid, TPZRestore_t fun)

static TPZSavable *	CreateInstance (const int &classId)

Protected Attributes inherited from TPZMatrixSolver< TVar >
TPZAutoPointer< TPZMatrix< TVar > >	fReferenceMatrix
	Reference matrix used to update the current matrix. More...

TPZFMatrix< TVar >	fScratch
	Manipulation matrix. More...

Detailed Description

template<class TVar>
class TPZStepSolver< TVar >

Defines step solvers class. Solver.

Definition at line 17 of file pzmganalysis.h.

Constructor & Destructor Documentation

◆ TPZStepSolver() [1/2]

template<class TVar >

TPZStepSolver< TVar >::TPZStepSolver ( TPZAutoPointer< TPZMatrix< TVar > > refmat = 0 )

Definition at line 19 of file pzstepsolver.cpp.

References TPZStepSolver< TVar >::fPrecond, and TPZStepSolver< TVar >::ResetSolver().

◆ TPZStepSolver() [2/2]

template<class TVar >

TPZStepSolver< TVar >::TPZStepSolver ( const TPZStepSolver< TVar > & copy )

Definition at line 25 of file pzstepsolver.cpp.

References TPZStepSolver< TVar >::fDecompose, TPZStepSolver< TVar >::fFromCurrent, TPZStepSolver< TVar >::fMaxIterations, TPZStepSolver< TVar >::fNumVectors, TPZStepSolver< TVar >::fOverRelax, TPZStepSolver< TVar >::fPrecond, TPZStepSolver< TVar >::fSolver, and TPZStepSolver< TVar >::fTol.

◆ ~TPZStepSolver()

template<class TVar >

TPZStepSolver< TVar >::~TPZStepSolver ( )

virtual

Definition at line 39 of file pzstepsolver.cpp.

References TPZStepSolver< TVar >::fPrecond.

Member Function Documentation

◆ ClassId()

template<class TVar >

int TPZStepSolver< TVar >::ClassId ( ) const

overridevirtual

Serialization methods.

Reimplemented from TPZMatrixSolver< TVar >.

Definition at line 138 of file pzstepsolver.h.

References TPZMatrixSolver< TVar >::ClassId(), and Hash().

Referenced by TPZStepSolver< TVar >::PreConditioner().

◆ Clone()

template<class TVar>

virtual TPZSolver<TVar>* TPZStepSolver< TVar >::Clone ( ) const

inlineoverridevirtual

Clones the current object returning a pointer of type TPZSolver.

Implements TPZSolver< TVar >.

Definition at line 46 of file pzstepsolver.h.

Referenced by TPZMGAnalysis::AppendMesh(), TPZNonLinMultGridAnalysis::TPZNonLinMultGridAnalysis(), and TPZNonLinMultGridAnalysis::TwoGridAlgorithm().

◆ Decompose()

template<class TVar >

void TPZStepSolver< TVar >::Decompose ( )

overridevirtual

Decompose the system of equations if a direct solver is used.

Reimplemented from TPZSolver< TVar >.

Definition at line 57 of file pzstepsolver.cpp.

References TPZMatrixSolver< TVar >::EDirect, TPZStepSolver< TVar >::fDecompose, TPZStepSolver< TVar >::fSingular, TPZStepSolver< TVar >::fSolver, and TPZMatrixSolver< TVar >::Matrix().

Referenced by TPZMatRed< TTVar, TPZFMatrix< TTVar > >::DecomposeK00(), and TPZStepSolver< TVar >::UpdateFrom().

◆ GetTolerance()

template<class TVar>

REAL TPZStepSolver< TVar >::GetTolerance ( ) const

inline

return the value of tolerance from the solver

Definition at line 57 of file pzstepsolver.h.

References TPZStepSolver< TVar >::fTol, and TPZStepSolver< TVar >::ResetSolver().

Referenced by main().

◆ NumIterations()

template<class TVar>

int TPZStepSolver< TVar >::NumIterations ( )

inline

Number of iterations of last solve.

Definition at line 98 of file pzstepsolver.h.

References TPZStepSolver< TVar >::fNumIterations.

Referenced by main().

◆ PreConditioner()

template<class TVar>

TPZSolver<TVar>* TPZStepSolver< TVar >::PreConditioner ( )

inline

access method to the preconditioner

Definition at line 104 of file pzstepsolver.h.

References TPZStepSolver< TVar >::ClassId(), TPZStepSolver< TVar >::fPrecond, TPZStepSolver< TVar >::Read(), and TPZStepSolver< TVar >::Write().

Referenced by TPZMatRed< TTVar, TPZFMatrix< TTVar > >::DecomposeK00().

◆ Read()

template<class TVar >

void TPZStepSolver< TVar >::Read	(	TPZStream &	buf,
		void *	context
	)

overridevirtual

read objects from the stream

Reimplemented from TPZMatrixSolver< TVar >.

Definition at line 296 of file pzstepsolver.cpp.

References TPZStepSolver< TVar >::fDecompose, TPZStepSolver< TVar >::fFromCurrent, TPZStepSolver< TVar >::fMaxIterations, TPZStepSolver< TVar >::fNumVectors, TPZStepSolver< TVar >::fOverRelax, TPZStepSolver< TVar >::fPrecond, TPZStepSolver< TVar >::fSingular, TPZStepSolver< TVar >::fSolver, TPZStepSolver< TVar >::fTol, TPZPersistenceManager::GetInstance(), TPZStream::Read(), and TPZMatrixSolver< TVar >::Read().

Referenced by TPZStepSolver< TVar >::PreConditioner().

◆ ResetMatrix()

template<class TVar >

void TPZStepSolver< TVar >::ResetMatrix ( )

overridevirtual

This method will reset the matrix associated with the solver.

This is useful when the matrix needs to be recomputed in a non linear problem

This method will reset the matrix associated with the solver
This is useful when the matrix needs to be recomputed in a non linear problem

Reimplemented from TPZMatrixSolver< TVar >.

Definition at line 48 of file pzstepsolver.cpp.

References TPZMatrixSolver< TVar >::ResetMatrix().

Referenced by TPZStepSolver< TVar >::Singular().

◆ ResetSolver()

template<class TVar >

void TPZStepSolver< TVar >::ResetSolver ( )

reset the data structure of the solver object

Definition at line 171 of file pzstepsolver.cpp.

References ENoDecompose, TPZMatrixSolver< TVar >::ENoSolver, TPZStepSolver< TVar >::fDecompose, TPZStepSolver< TVar >::fFromCurrent, TPZStepSolver< TVar >::fMaxIterations, TPZStepSolver< TVar >::fNumIterations, TPZStepSolver< TVar >::fNumVectors, TPZStepSolver< TVar >::fOverRelax, TPZStepSolver< TVar >::fPrecond, TPZStepSolver< TVar >::fSolver, and TPZStepSolver< TVar >::fTol.

Referenced by TPZStepSolver< TVar >::GetTolerance(), TPZStepSolver< TVar >::SetBiCGStab(), TPZStepSolver< TVar >::SetCG(), TPZStepSolver< TVar >::SetDirect(), TPZStepSolver< TVar >::SetGMRES(), TPZStepSolver< TVar >::SetJacobi(), TPZStepSolver< TVar >::SetMultiply(), TPZStepSolver< TVar >::SetSOR(), TPZStepSolver< TVar >::SetSSOR(), and TPZStepSolver< TVar >::TPZStepSolver().

◆ SetBiCGStab()

template<class TVar >

void TPZStepSolver< TVar >::SetBiCGStab	(	const int64_t	numiterations,
		const TPZMatrixSolver< TVar > &	pre,
		const REAL	tol,
		const int64_t	FromCurrent
	)

Definition at line 215 of file pzstepsolver.cpp.

References TPZSolver< TVar >::Clone(), TPZMatrixSolver< TVar >::EBICGSTAB, TPZStepSolver< TVar >::fFromCurrent, TPZStepSolver< TVar >::fMaxIterations, TPZStepSolver< TVar >::fNumIterations, TPZStepSolver< TVar >::fPrecond, TPZStepSolver< TVar >::fSolver, TPZStepSolver< TVar >::fTol, TPZStepSolver< TVar >::ResetSolver(), and pzgeom::tol.

Referenced by TPZElastoPlasticAnalysis::SetBiCGStab(), and TPZElastoPlasticAnalysis::SetBiCGStab_Jacobi().

◆ SetCG()

template<class TVar >

void TPZStepSolver< TVar >::SetCG	(	const int64_t	numiterations,
		const TPZMatrixSolver< TVar > &	pre,
		const REAL	tol,
		const int64_t	FromCurrent
	)

Definition at line 190 of file pzstepsolver.cpp.

References TPZSolver< TVar >::Clone(), TPZMatrixSolver< TVar >::ECG, TPZStepSolver< TVar >::fFromCurrent, TPZStepSolver< TVar >::fMaxIterations, TPZStepSolver< TVar >::fNumIterations, TPZStepSolver< TVar >::fPrecond, TPZStepSolver< TVar >::fSolver, TPZStepSolver< TVar >::fTol, TPZStepSolver< TVar >::ResetSolver(), and pzgeom::tol.

Referenced by TPZMGAnalysis::AppendMesh(), and main().

◆ SetDirect()

template<class TVar >

void TPZStepSolver< TVar >::SetDirect ( const DecomposeType decomp )

Definition at line 184 of file pzstepsolver.cpp.

References TPZMatrixSolver< TVar >::EDirect, TPZStepSolver< TVar >::fDecompose, TPZStepSolver< TVar >::fSolver, and TPZStepSolver< TVar >::ResetSolver().

Referenced by TPZMGAnalysis::AppendMesh(), AssembleMatrices(), TPZAnalysis::BuildPreconditioner(), TPZMulticamadaOrthotropic::ComputeSolution(), Input::CreateCuboSkyMatrix(), TPZAnalysisError::hp_Adaptive_Mesh_Design(), InitializeMatrices(), TPZParSkylineStructMatrix::main(), TPBSpStructMatrix::main(), TPZFrontStructMatrix< front >::main(), TPZParFrontStructMatrix< front >::main(), main(), TPZSubCompMesh::main(), TPZNonLinMultGridAnalysis::OneGridAlgorithm(), TPZPlasticStep< YC_t, TF_t, ER_t >::PlasticLoop(), TPZGradientReconstruction::ProjectionL2GradientReconstructed(), TPZCondensedCompEl::Resequence(), TCedricTest::Run(), TPZEulerAnalysis::RunNewton(), TPZSubCompMesh::SetAnalysisFrontal(), TPZSubCompMesh::SetAnalysisSkyline(), TPZElastoPlasticAnalysis::SetBiCGStab(), TPZAnalysis::SetCompMesh(), TPZEulerAnalysis::SetFrontalSolver(), TPZEulerAnalysis::SetGMResBlock(), TPZEulerAnalysis::SetGMResFront(), TPZElastoPlasticAnalysis::SetLU(), Hdiv2dPaper201504::SolveSyst(), hdivCurvedJCompAppMath::SolveSyst(), Hdiv3dPaper201504::SolveSyst(), TPZNonLinMultGridAnalysis::TPZNonLinMultGridAnalysis(), and TPZNonLinMultGridAnalysis::TwoGridAlgorithm().

◆ SetGMRES()

template<class TVar >

void TPZStepSolver< TVar >::SetGMRES	(	const int64_t	numiterations,
		const int	numvectors,
		const TPZMatrixSolver< TVar > &	pre,
		const REAL	tol,
		const int64_t	FromCurrent
	)