oofem::SLEPcSolver Class Reference

#include <slepcsolver.h>

Inheritance diagram for oofem::SLEPcSolver:

Collaboration diagram for oofem::SLEPcSolver:

Public Member Functions
	SLEPcSolver (Domain *d, EngngModel *m)
virtual	~SLEPcSolver ()
virtual NM_Status	solve (SparseMtrx &a, SparseMtrx &b, FloatArray &v, FloatMatrix &x, double rtol, int nroot)
	Solves the given sparse generalized eigen value system of equations . More...
virtual const char *	giveClassName () const
Public Member Functions inherited from oofem::SparseGeneralEigenValueSystemNM
	SparseGeneralEigenValueSystemNM (Domain *d, EngngModel *m)
	Constructor. More...
virtual	~SparseGeneralEigenValueSystemNM ()
	Destructor. More...
std::string	errorInfo (const char *func)
Public Member Functions inherited from oofem::NumericalMethod
	NumericalMethod (Domain *d, EngngModel *m)
	Constructor. More...
virtual	~NumericalMethod ()
	Destructor. More...
EngngModel *	giveEngngModel ()
virtual IRResultType	initializeFrom (InputRecord *ir)
virtual void	reinitialize ()
	Reinitializes the receiver. More...
virtual void	setDomain (Domain *d)
virtual contextIOResultType	saveContext (DataStream &stream, ContextMode mode, void *obj=NULL)
virtual contextIOResultType	restoreContext (DataStream &stream, ContextMode mode, void *obj=NULL)

Private Attributes
PetscSparseMtrx *	A
PetscSparseMtrx *	B
EPS	eps
	Eigenvalue solver context. More...
bool	epsInit
	Flag if context initialized. More...

Additional Inherited Members
Protected Attributes inherited from oofem::NumericalMethod
Domain *	domain
	Pointer to domain. More...
EngngModel *	engngModel
	Pointer to engineering model. More...

Detailed Description

Definition at line 52 of file slepcsolver.h.

Constructor & Destructor Documentation

oofem::SLEPcSolver::SLEPcSolver	(	Domain *	d,
		EngngModel *	m
	)

Definition at line 53 of file slepcsolver.C.

References A, B, and epsInit.

oofem::SLEPcSolver::~SLEPcSolver ( )

virtual

Definition at line 60 of file slepcsolver.C.

References eps, and epsInit.

Member Function Documentation

virtual const char* oofem::SLEPcSolver::giveClassName ( ) const

inlinevirtual

Implements oofem::SparseGeneralEigenValueSystemNM.

Definition at line 67 of file slepcsolver.h.

NM_Status oofem::SLEPcSolver::solve ( SparseMtrx &  A, SparseMtrx &  B, FloatArray &  x, FloatMatrix &  v, double  rtol, int  nroot  )

virtual

Solves the given sparse generalized eigen value system of equations .

Parameters

A	coefficient matrix.
B	coefficient matrix.
v	eigen vector(s).
x	eigen value(s).
rtol	tolerance
nroot	number of required eigenvalues.

Returns

NM_Status value.

Implements oofem::SparseGeneralEigenValueSystemNM.

Definition at line 68 of file slepcsolver.C.

References A, oofem::FloatArray::at(), oofem::FloatMatrix::at(), B, oofem::NumericalMethod::engngModel, eps, epsInit, oofem::Timer::getUtime(), oofem::PetscSparseMtrx::giveDomainIndex(), oofem::PetscSparseMtrx::giveMtrx(), oofem::SparseMtrx::giveNumberOfColumns(), oofem::SparseMtrx::giveNumberOfRows(), oofem::EngngModel::giveParallelComm(), oofem::EngngModel::giveParallelContext(), NM_Success, OOFEM_ERROR, OOFEM_LOG_INFO, oofem::FloatArray::resize(), oofem::FloatMatrix::resize(), oofem::PetscSparseMtrx::scatterG2L(), oofem::Timer::startTimer(), and oofem::Timer::stopTimer().

Member Data Documentation

PetscSparseMtrx* oofem::SLEPcSolver::A

private

Definition at line 55 of file slepcsolver.h.

Referenced by SLEPcSolver(), and solve().

PetscSparseMtrx* oofem::SLEPcSolver::B

private

Definition at line 56 of file slepcsolver.h.

Referenced by SLEPcSolver(), and solve().

EPS oofem::SLEPcSolver::eps

private

Eigenvalue solver context.

Definition at line 58 of file slepcsolver.h.

Referenced by solve(), and ~SLEPcSolver().

bool oofem::SLEPcSolver::epsInit

private

Flag if context initialized.

Definition at line 60 of file slepcsolver.h.

Referenced by SLEPcSolver(), solve(), and ~SLEPcSolver().

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

• slepcsolver.h
• slepcsolver.C