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.

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

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

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

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

virtual	~GradientGridFunctionCoefficient ()

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

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

real_t	GetTime ()
	Get the time for time dependent coefficients.

int	GetVDim ()
	Returns dimension of the vector.

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

virtual	~VectorCoefficient ()

Protected Attributes
const GridFunction *	GridFunc

Protected Attributes inherited from mfem::VectorCoefficient
int	vdim

real_t	time

Detailed Description

Vector coefficient defined as the Gradient of a scalar GridFunction.

Definition at line 865 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 892 of file coefficient.hpp.

Member Function Documentation

◆ Eval() [1/2]

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

overridevirtual

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.

◆ Eval() [2/2]

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

overridevirtual

Evaluate the gradient vector coefficient at ip.

Implements mfem::VectorCoefficient.

Definition at line 493 of file coefficient.cpp.

◆ GetGridFunction()

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

inline

Get the scalar grid function.

Definition at line 880 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 868 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