Base class for FEValues and FESideValues. More...

#include <fe_values.hh>

Inheritance diagram for FEValuesBase< dim, spacedim >:

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Collaboration diagram for FEValuesBase< dim, spacedim >:

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Public Member Functions
	FEValuesBase ()
	Default constructor. More...

virtual	~FEValuesBase ()

void	allocate (Mapping< dim, spacedim > &_mapping, Quadrature< dim > &_quadrature, FiniteElement< dim, spacedim > &_fe, UpdateFlags flags)
	Allocates space for computed data. More...

UpdateFlags	update_each (UpdateFlags flags)
	Determine quantities to be recomputed on each cell. More...

double	shape_value (const unsigned int function_no, const unsigned int point_no)
	Return the value of the `function_no-th` shape function at the `point_no-th` quadrature point. More...

arma::vec::fixed< spacedim >	shape_grad (const unsigned int function_no, const unsigned int point_no)
	Return the gradient of the `function_no-th` shape function at the `point_no-th` quadrature point. More...

arma::vec::fixed< spacedim >	shape_vector (const unsigned int function_no, const unsigned int point_no)
	Return the value of the `function_no-th` shape function at the `point_no-th` quadrature point. More...

arma::mat::fixed< spacedim, spacedim >	shape_grad_vector (const unsigned int function_no, const unsigned int point_no)
	Return the gradient of the `function_no-th` shape function at the `point_no-th` quadrature point. More...

double	determinant (const unsigned int point_no)
	Return the relative volume change of the cell (Jacobian determinant). More...

double	JxW (const unsigned int point_no)
	Return the product of Jacobian determinant and the quadrature weight at given quadrature point. More...

arma::vec::fixed< spacedim >	point (const unsigned int point_no)
	Return coordinates of the quadrature point in the actual cell system. More...

vector< arma::vec::fixed< spacedim > > &	point_list ()
	Return coordinates of all quadrature points in the actual cell system. More...

arma::vec::fixed< spacedim >	normal_vector (unsigned int point_no)
	Returns the normal vector to a side at given quadrature point. More...

unsigned int	n_points ()
	Returns the number of quadrature points. More...

unsigned int	n_dofs ()
	Returns the number of shape functions. More...

Quadrature< dim > *	get_quadrature () const
	Returns the quadrature in use. More...

FiniteElement< dim, spacedim > *	get_fe () const
	Returns the finite element in use. More...

Mapping< dim, spacedim > *	get_mapping () const
	Returns the mapping in use. More...

Public Member Functions inherited from FEValuesSpaceBase< spacedim >
virtual	~FEValuesSpaceBase ()

Protected Attributes
Mapping< dim, spacedim > *	mapping
	The mapping from the reference cell to the actual cell. More...

Quadrature< dim > *	quadrature
	The quadrature rule used to calculate integrals. More...

FiniteElement< dim, spacedim > *	fe
	The used finite element. More...

MappingInternalData *	mapping_data
	Precomputed mapping data. More...

FEInternalData *	fe_data
	Precomputed finite element data. More...

FEValuesData< dim, spacedim >	data
	Data computed by the mapping and finite element. More...

Detailed Description

template<unsigned int dim, unsigned int spacedim>
class FEValuesBase< dim, spacedim >

Base class for FEValues and FESideValues.

Definition at line 32 of file fe_values.hh.

Constructor & Destructor Documentation

template<unsigned int dim, unsigned int spacedim>

FEValuesBase< dim, spacedim >::FEValuesBase ( )

Default constructor.

Definition at line 95 of file fe_values.cc.

template<unsigned int dim, unsigned int spacedim>

FEValuesBase< dim, spacedim >::~FEValuesBase ( )

virtual

Correct deallocation of objects created by 'initialize' methods.

Definition at line 103 of file fe_values.cc.

Member Function Documentation

template<unsigned int dim, unsigned int spacedim>

void FEValuesBase< dim, spacedim >::allocate	(	Mapping< dim, spacedim > &	_mapping,
		Quadrature< dim > &	_quadrature,
		FiniteElement< dim, spacedim > &	_fe,
		UpdateFlags	flags
	)

Allocates space for computed data.

Parameters

_mapping	The mapping between reference and actual cell.
_quadrature	The quadrature rule.
_fe	The finite element.
flags	The update flags.

Definition at line 111 of file fe_values.cc.

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template<unsigned int dim, unsigned int spacedim>

double FEValuesBase< dim, spacedim >::determinant ( const unsigned int point_no )

inline

Return the relative volume change of the cell (Jacobian determinant).

If dim==spacedim then the sign may be negative, otherwise the result is a positive number.

Parameters

point_no Number of the quadrature point.

Definition at line 281 of file fe_values.hh.

template<unsigned int dim, unsigned int spacedim>

FiniteElement<dim,spacedim>* FEValuesBase< dim, spacedim >::get_fe ( ) const

inline

Returns the finite element in use.

Definition at line 355 of file fe_values.hh.

template<unsigned int dim, unsigned int spacedim>

Mapping<dim,spacedim>* FEValuesBase< dim, spacedim >::get_mapping ( ) const

inline

Returns the mapping in use.

Definition at line 363 of file fe_values.hh.

template<unsigned int dim, unsigned int spacedim>

Quadrature<dim>* FEValuesBase< dim, spacedim >::get_quadrature ( ) const

inline

Returns the quadrature in use.

Definition at line 347 of file fe_values.hh.

template<unsigned int dim, unsigned int spacedim>

double FEValuesBase< dim, spacedim >::JxW ( const unsigned int point_no )

inlinevirtual

Return the product of Jacobian determinant and the quadrature weight at given quadrature point.

Parameters

point_no Number of the quadrature point.

Implements FEValuesSpaceBase< spacedim >.

Definition at line 292 of file fe_values.hh.

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template<unsigned int dim, unsigned int spacedim>

unsigned int FEValuesBase< dim, spacedim >::n_dofs ( )

inlinevirtual

Returns the number of shape functions.

Implements FEValuesSpaceBase< spacedim >.

Definition at line 338 of file fe_values.hh.

template<unsigned int dim, unsigned int spacedim>

unsigned int FEValuesBase< dim, spacedim >::n_points ( )

inline

Returns the number of quadrature points.

Definition at line 330 of file fe_values.hh.

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template<unsigned int dim, unsigned int spacedim>

arma::vec::fixed<spacedim> FEValuesBase< dim, spacedim >::normal_vector ( unsigned int point_no )

inlinevirtual

Returns the normal vector to a side at given quadrature point.

Parameters

point_no Number of the quadrature point.

Implements FEValuesSpaceBase< spacedim >.

Definition at line 322 of file fe_values.hh.

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template<unsigned int dim, unsigned int spacedim>

arma::vec::fixed<spacedim> FEValuesBase< dim, spacedim >::point ( const unsigned int point_no )

inline

Return coordinates of the quadrature point in the actual cell system.

Parameters

point_no Number of the quadrature point.

Definition at line 302 of file fe_values.hh.

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template<unsigned int dim, unsigned int spacedim>

vector<arma::vec::fixed<spacedim> >& FEValuesBase< dim, spacedim >::point_list ( )

inline

Return coordinates of all quadrature points in the actual cell system.

Definition at line 311 of file fe_values.hh.

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template<unsigned int dim, unsigned int spacedim>

arma::vec::fixed<spacedim> FEValuesBase< dim, spacedim >::shape_grad	(	const unsigned int	function_no,
		const unsigned int	point_no
	)

inlinevirtual

Return the gradient of the function_no-th shape function at the point_no-th quadrature point.

Parameters

function_no	Number of the shape function.
point_no	Number of the quadrature point.

Implements FEValuesSpaceBase< spacedim >.

Definition at line 239 of file fe_values.hh.

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template<unsigned int dim, unsigned int spacedim>

arma::mat::fixed<spacedim,spacedim> FEValuesBase< dim, spacedim >::shape_grad_vector	(	const unsigned int	function_no,
		const unsigned int	point_no
	)

inline

Return the gradient of the function_no-th shape function at the point_no-th quadrature point.

For vectorial finite elements.

Parameters

function_no	Number of the shape function.
point_no	Number of the quadrature point.

Definition at line 268 of file fe_values.hh.

template<unsigned int dim, unsigned int spacedim>

double FEValuesBase< dim, spacedim >::shape_value	(	const unsigned int	function_no,
		const unsigned int	point_no
	)

inlinevirtual

Return the value of the function_no-th shape function at the point_no-th quadrature point.

Parameters

function_no	Number of the shape function.
point_no	Number of the quadrature point.

Implements FEValuesSpaceBase< spacedim >.

Definition at line 226 of file fe_values.hh.

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template<unsigned int dim, unsigned int spacedim>

arma::vec::fixed<spacedim> FEValuesBase< dim, spacedim >::shape_vector	(	const unsigned int	function_no,
		const unsigned int	point_no
	)

inline

Return the value of the function_no-th shape function at the point_no-th quadrature point.

For vectorial finite elements.

Parameters

function_no	Number of the shape function.
point_no	Number of the quadrature point.

Definition at line 254 of file fe_values.hh.

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template<unsigned int dim, unsigned int spacedim>

UpdateFlags FEValuesBase< dim, spacedim >::update_each ( UpdateFlags flags )

Determine quantities to be recomputed on each cell.

Parameters

flags Flags that indicate what has to be recomputed.

Definition at line 128 of file fe_values.cc.

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Member Data Documentation

template<unsigned int dim, unsigned int spacedim>

FEValuesData<dim,spacedim> FEValuesBase< dim, spacedim >::data

protected

Data computed by the mapping and finite element.

Definition at line 398 of file fe_values.hh.

template<unsigned int dim, unsigned int spacedim>

FiniteElement<dim,spacedim>* FEValuesBase< dim, spacedim >::fe

protected

The used finite element.

Definition at line 383 of file fe_values.hh.

template<unsigned int dim, unsigned int spacedim>

FEInternalData* FEValuesBase< dim, spacedim >::fe_data

protected

Precomputed finite element data.

Definition at line 393 of file fe_values.hh.

template<unsigned int dim, unsigned int spacedim>

Mapping<dim,spacedim>* FEValuesBase< dim, spacedim >::mapping

protected

The mapping from the reference cell to the actual cell.

Definition at line 373 of file fe_values.hh.

template<unsigned int dim, unsigned int spacedim>

MappingInternalData* FEValuesBase< dim, spacedim >::mapping_data

protected

Precomputed mapping data.

Definition at line 388 of file fe_values.hh.

template<unsigned int dim, unsigned int spacedim>

Quadrature<dim>* FEValuesBase< dim, spacedim >::quadrature

protected

The quadrature rule used to calculate integrals.

Definition at line 378 of file fe_values.hh.

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

/opt/flow123d/flow123d/src/fem/fe_values.hh
/opt/flow123d/flow123d/src/fem/fe_values.cc

Public Member Functions

Protected Attributes

Detailed Description

template<unsigned int dim, unsigned int spacedim> class FEValuesBase< dim, spacedim >

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation

template<unsigned int dim, unsigned int spacedim>
class FEValuesBase< dim, spacedim >