Vector coefficient defined as the Gradient of a scalar GridFunction. More...

#include <coefficient.hpp>

Inheritance diagram for mfem::GradientGridFunctionCoefficient:

Collaboration diagram for mfem::GradientGridFunctionCoefficient:

Public Member Functions
	GradientGridFunctionCoefficient (const GridFunction *gf)
	Construct the coefficient with a scalar grid function gf. The grid function is not owned by the coefficient. More...

void	SetGridFunction (const GridFunction *gf)
	Set the scalar grid function. More...

const GridFunction *	GetGridFunction () const
	Get the scalar grid function. More...

virtual void	Eval (Vector &V, ElementTransformation &T, const IntegrationPoint &ip)
	Evaluate the gradient vector coefficient at ip. More...

virtual void	Eval (DenseMatrix &M, ElementTransformation &T, const IntegrationRule &ir)
	Evaluate the gradient vector coefficient at all of the locations in the integration rule and write the vectors into columns of matrix M. More...

virtual	~GradientGridFunctionCoefficient ()

Public Member Functions inherited from mfem::VectorCoefficient
	VectorCoefficient (int vd)
	Initialize the VectorCoefficient with vector dimension vd. More...

virtual void	SetTime (double t)
	Set the time for time dependent coefficients. More...

double	GetTime ()
	Get the time for time dependent coefficients. More...

int	GetVDim ()
	Returns dimension of the vector. More...

virtual void	Project (QuadratureFunction &qf)
	Fill the QuadratureFunction qf by evaluating the coefficient at the quadrature points. More...

virtual	~VectorCoefficient ()

Protected Attributes
const GridFunction *	GridFunc

Protected Attributes inherited from mfem::VectorCoefficient
int	vdim

double	time

Detailed Description

Vector coefficient defined as the Gradient of a scalar GridFunction.

Definition at line 859 of file coefficient.hpp.

Constructor & Destructor Documentation

◆ GradientGridFunctionCoefficient()

mfem::GradientGridFunctionCoefficient::GradientGridFunctionCoefficient ( const GridFunction * gf )

Construct the coefficient with a scalar grid function gf. The grid function is not owned by the coefficient.

Definition at line 479 of file coefficient.cpp.

◆ ~GradientGridFunctionCoefficient()

virtual mfem::GradientGridFunctionCoefficient::~GradientGridFunctionCoefficient ( )

inlinevirtual

Definition at line 886 of file coefficient.hpp.

Member Function Documentation

◆ Eval() [1/2]

void mfem::GradientGridFunctionCoefficient::Eval	(	Vector &	V,
		ElementTransformation &	T,
		const IntegrationPoint &	ip
	)

virtual

Evaluate the gradient vector coefficient at ip.

Implements mfem::VectorCoefficient.

Definition at line 493 of file coefficient.cpp.

◆ Eval() [2/2]

void mfem::GradientGridFunctionCoefficient::Eval	(	DenseMatrix &	M,
		ElementTransformation &	T,
		const IntegrationRule &	ir
	)

virtual

Evaluate the gradient vector coefficient at all of the locations in the integration rule and write the vectors into columns of matrix M.

Reimplemented from mfem::VectorCoefficient.

Definition at line 509 of file coefficient.cpp.

◆ GetGridFunction()

const GridFunction* mfem::GradientGridFunctionCoefficient::GetGridFunction ( ) const

inline

Get the scalar grid function.

Definition at line 874 of file coefficient.hpp.

◆ SetGridFunction()

void mfem::GradientGridFunctionCoefficient::SetGridFunction ( const GridFunction * gf )

Set the scalar grid function.

Definition at line 487 of file coefficient.cpp.

Member Data Documentation

◆ GridFunc

const GridFunction* mfem::GradientGridFunctionCoefficient::GridFunc

protected

Definition at line 862 of file coefficient.hpp.

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

fem/coefficient.hpp
fem/coefficient.cpp

Public Member Functions

Protected Attributes