#include <nonlinearform.hpp>

Inheritance diagram for mfem::NonlinearForm:

Collaboration diagram for mfem::NonlinearForm:

Public Member Functions
	NonlinearForm (FiniteElementSpace *f)

FiniteElementSpace *	FESpace ()

const FiniteElementSpace *	FESpace () const

void	AddDomainIntegrator (NonlinearFormIntegrator *nlfi)
	Adds new Domain Integrator. More...

void	AddInteriorFaceIntegrator (NonlinearFormIntegrator *nlfi)
	Adds new Interior Face Integrator. More...

void	AddBdrFaceIntegrator (NonlinearFormIntegrator *nlfi)
	Adds new Boundary Face Integrator. More...

void	AddBdrFaceIntegrator (NonlinearFormIntegrator *nfi, Array< int > &bdr_marker)
	Adds new Boundary Face Integrator, restricted to specific boundary attributes. More...

virtual void	SetEssentialBC (const Array< int > &bdr_attr_is_ess, Vector *rhs=NULL)

void	SetEssentialVDofs (const Array< int > &ess_vdofs_list)

virtual double	GetEnergy (const Vector &x) const

virtual void	Mult (const Vector &x, Vector &y) const
	Operator application: `y=A(x)`. More...

virtual Operator &	GetGradient (const Vector &x) const
	Evaluate the gradient operator at the point x. The default behavior in class Operator is to generate an error. More...

virtual	~NonlinearForm ()

Public Member Functions inherited from mfem::Operator
	Operator (int s=0)
	Construct a square Operator with given size s (default 0). More...

	Operator (int h, int w)
	Construct an Operator with the given height (output size) and width (input size). More...

int	Height () const
	Get the height (size of output) of the Operator. Synonym with NumRows(). More...

int	NumRows () const
	Get the number of rows (size of output) of the Operator. Synonym with Height(). More...

int	Width () const
	Get the width (size of input) of the Operator. Synonym with NumCols(). More...

int	NumCols () const
	Get the number of columns (size of input) of the Operator. Synonym with Width(). More...

virtual void	MultTranspose (const Vector &x, Vector &y) const
	Action of the transpose operator: `y=A^t(x)`. The default behavior in class Operator is to generate an error. More...

virtual const Operator *	GetProlongation () const
	Prolongation operator from linear algebra (linear system) vectors, to input vectors for the operator. `NULL` means identity. More...

virtual const Operator *	GetRestriction () const
	Restriction operator from input vectors for the operator to linear algebra (linear system) vectors. `NULL` means identity. More...

void	FormLinearSystem (const Array< int > &ess_tdof_list, Vector &x, Vector &b, Operator *&A, Vector &X, Vector &B, int copy_interior=0)
	Form a constrained linear system using a matrix-free approach. More...

virtual void	RecoverFEMSolution (const Vector &X, const Vector &b, Vector &x)
	Reconstruct a solution vector x (e.g. a GridFunction) from the solution X of a constrained linear system obtained from Operator::FormLinearSystem(). More...

void	PrintMatlab (std::ostream &out, int n=0, int m=0) const
	Prints operator with input size n and output size m in Matlab format. More...

virtual	~Operator ()
	Virtual destructor. More...

Protected Attributes
FiniteElementSpace *	fes
	FE space on which the form lives. More...

Array< NonlinearFormIntegrator * >	dnfi
	Set of Domain Integrators to be assembled (added). More...

Array< NonlinearFormIntegrator * >	fnfi
	Set of interior face Integrators to be assembled (added). More...

Array< NonlinearFormIntegrator * >	bfnfi
	Set of boundary face Integrators to be assembled (added). More...

Array< Array< int > * >	bfnfi_marker

SparseMatrix *	Grad

Array< int >	ess_vdofs

Protected Attributes inherited from mfem::Operator
int	height
	Dimension of the output / number of rows in the matrix. More...

int	width
	Dimension of the input / number of columns in the matrix. More...

Additional Inherited Members
Public Types inherited from mfem::Operator
enum	Type { MFEM_SPARSEMAT, Hypre_ParCSR, PETSC_MATAIJ, PETSC_MATIS, PETSC_MATSHELL, PETSC_MATNEST, PETSC_MATHYPRE, PETSC_MATGENERIC }
	Enumeration defining IDs for some classes derived from Operator. More...

Detailed Description

Definition at line 22 of file nonlinearform.hpp.

Constructor & Destructor Documentation

mfem::NonlinearForm::NonlinearForm ( FiniteElementSpace * f )

inline

Definition at line 44 of file nonlinearform.hpp.

mfem::NonlinearForm::~NonlinearForm ( )

virtual

Definition at line 330 of file nonlinearform.cpp.

Member Function Documentation

void mfem::NonlinearForm::AddBdrFaceIntegrator ( NonlinearFormIntegrator * nlfi )

inline

Adds new Boundary Face Integrator.

Definition at line 59 of file nonlinearform.hpp.

void mfem::NonlinearForm::AddBdrFaceIntegrator	(	NonlinearFormIntegrator *	nfi,
		Array< int > &	bdr_marker
	)

inline

Adds new Boundary Face Integrator, restricted to specific boundary attributes.

Definition at line 64 of file nonlinearform.hpp.

void mfem::NonlinearForm::AddDomainIntegrator ( NonlinearFormIntegrator * nlfi )

inline

Adds new Domain Integrator.

Definition at line 51 of file nonlinearform.hpp.

void mfem::NonlinearForm::AddInteriorFaceIntegrator ( NonlinearFormIntegrator * nlfi )

inline

Adds new Interior Face Integrator.

Definition at line 55 of file nonlinearform.hpp.

FiniteElementSpace* mfem::NonlinearForm::FESpace ( )

inline

Definition at line 47 of file nonlinearform.hpp.

const FiniteElementSpace* mfem::NonlinearForm::FESpace ( ) const

inline

Definition at line 48 of file nonlinearform.hpp.

double mfem::NonlinearForm::GetEnergy ( const Vector & x ) const

virtual

Reimplemented in mfem::ParNonlinearForm.

Definition at line 48 of file nonlinearform.cpp.

Operator & mfem::NonlinearForm::GetGradient ( const Vector & x ) const

virtual

Evaluate the gradient operator at the point x. The default behavior in class Operator is to generate an error.

Reimplemented from mfem::Operator.

Reimplemented in mfem::ParNonlinearForm.

Definition at line 198 of file nonlinearform.cpp.

void mfem::NonlinearForm::Mult	(	const Vector &	x,
		Vector &	y
	)		const

virtual

Operator application: y=A(x).

Implements mfem::Operator.

Reimplemented in mfem::ParNonlinearForm.

Definition at line 82 of file nonlinearform.cpp.

void mfem::NonlinearForm::SetEssentialBC	(	const Array< int > &	bdr_attr_is_ess,
		Vector *	rhs = `NULL`
	)

virtual

Reimplemented in mfem::ParNonlinearForm.

Definition at line 17 of file nonlinearform.cpp.

void mfem::NonlinearForm::SetEssentialVDofs ( const Array< int > & ess_vdofs_list )

inline

Definition at line 71 of file nonlinearform.hpp.

Member Data Documentation

Array<NonlinearFormIntegrator*> mfem::NonlinearForm::bfnfi

protected

Set of boundary face Integrators to be assembled (added).

Definition at line 35 of file nonlinearform.hpp.

Array<Array<int>*> mfem::NonlinearForm::bfnfi_marker

protected

Definition at line 36 of file nonlinearform.hpp.

Array<NonlinearFormIntegrator*> mfem::NonlinearForm::dnfi

protected

Set of Domain Integrators to be assembled (added).

Definition at line 29 of file nonlinearform.hpp.

Array<int> mfem::NonlinearForm::ess_vdofs

protected

Definition at line 41 of file nonlinearform.hpp.

FiniteElementSpace* mfem::NonlinearForm::fes

protected

FE space on which the form lives.

Definition at line 26 of file nonlinearform.hpp.

Array<NonlinearFormIntegrator*> mfem::NonlinearForm::fnfi

protected

Set of interior face Integrators to be assembled (added).

Definition at line 32 of file nonlinearform.hpp.

SparseMatrix* mfem::NonlinearForm::Grad

mutableprotected

Definition at line 38 of file nonlinearform.hpp.

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

Public Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation