MFEM  v3.0
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mfem::NonlinearForm Class Reference

#include <nonlinearform.hpp>

Inheritance diagram for mfem::NonlinearForm:
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Collaboration diagram for mfem::NonlinearForm:
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Public Member Functions

 NonlinearForm (FiniteElementSpace *f)
 
void AddDomainIntegrator (NonlinearFormIntegrator *nlfi)
 Adds new Domain Integrator. 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. More...
 
virtual OperatorGetGradient (const Vector &x) const
 Evaluate the gradient operator at the point x. 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)
 
int Height () const
 Get the height (size of output) of the Operator. Synonym with NumRows. More...
 
int NumRows () const
 
int Width () const
 Get the width (size of input) of the Operator. Synonym with NumCols. More...
 
int NumCols () const
 
virtual void MultTranspose (const Vector &x, Vector &y) const
 Action of the transpose operator. More...
 
void PrintMatlab (std::ostream &out, int n=0, int m=0)
 Prints operator with input size n and output size m in matlab format. More...
 
virtual ~Operator ()
 

Protected Attributes

FiniteElementSpacefes
 FE space on which the form lives. More...
 
Array< NonlinearFormIntegrator * > dfi
 Set of Domain Integrators to be assembled (added). More...
 
SparseMatrixGrad
 
Array< int > ess_vdofs
 
- Protected Attributes inherited from mfem::Operator
int height
 
int width
 

Detailed Description

Definition at line 22 of file nonlinearform.hpp.

Constructor & Destructor Documentation

mfem::NonlinearForm::NonlinearForm ( FiniteElementSpace f)
inline

Definition at line 37 of file nonlinearform.hpp.

mfem::NonlinearForm::~NonlinearForm ( )
virtual

Definition at line 132 of file nonlinearform.cpp.

Member Function Documentation

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

Adds new Domain Integrator.

Definition at line 41 of file nonlinearform.hpp.

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

Reimplemented in mfem::ParNonlinearForm.

Definition at line 42 of file nonlinearform.cpp.

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

Evaluate the gradient operator at the point x.

Reimplemented from mfem::Operator.

Reimplemented in mfem::ParNonlinearForm.

Definition at line 94 of file nonlinearform.cpp.

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

Operator application.

Implements mfem::Operator.

Reimplemented in mfem::ParNonlinearForm.

Definition at line 66 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 47 of file nonlinearform.hpp.

Member Data Documentation

Array<NonlinearFormIntegrator*> mfem::NonlinearForm::dfi
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 34 of file nonlinearform.hpp.

FiniteElementSpace* mfem::NonlinearForm::fes
protected

FE space on which the form lives.

Definition at line 26 of file nonlinearform.hpp.

SparseMatrix* mfem::NonlinearForm::Grad
mutableprotected

Definition at line 31 of file nonlinearform.hpp.


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