Base class for FEValues and FESideValues. More...

#include <fe_values.hh>

Inheritance diagram for FEValuesBase< dim, spacedim >:

Collaboration diagram for FEValuesBase< dim, spacedim >:

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...

const 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...

const 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...

const 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...

const 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...

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

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

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

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

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

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

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

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

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 43 of file fe_values.hh.

Constructor & Destructor Documentation

template<unsigned int dim, unsigned int spacedim>

FEValuesBase< dim, spacedim >::FEValuesBase ( )

inline

Default constructor.

Definition at line 107 of file fe_values.cc.

template<unsigned int dim, unsigned int spacedim>

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

inlinevirtual

Correct deallocation of objects created by 'initialize' methods.

Definition at line 115 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 123 of file fe_values.cc.

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template<unsigned int dim, unsigned int spacedim>

const 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 172 of file fe_values.cc.

template<unsigned int dim, unsigned int spacedim>

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

inline

Returns the quadrature in use.

Definition at line 214 of file fe_values.cc.

template<unsigned int dim, unsigned int spacedim>

const 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 178 of file fe_values.cc.

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template<unsigned int dim, unsigned int spacedim>

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

inlinevirtual

Returns the number of shape functions.

Implements FEValuesSpaceBase< spacedim >.

Definition at line 208 of file fe_values.cc.

template<unsigned int dim, unsigned int spacedim>

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

inline

Returns the number of quadrature points.

Definition at line 202 of file fe_values.cc.

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template<unsigned int dim, unsigned int spacedim>

const 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 196 of file fe_values.cc.

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template<unsigned int dim, unsigned int spacedim>

const 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 184 of file fe_values.cc.

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template<unsigned int dim, unsigned int spacedim>

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

inline

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

Definition at line 190 of file fe_values.cc.

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template<unsigned int dim, unsigned int spacedim>

const 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 154 of file fe_values.cc.

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template<unsigned int dim, unsigned int spacedim>

const 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 166 of file fe_values.cc.

template<unsigned int dim, unsigned int spacedim>

const 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 148 of file fe_values.cc.

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template<unsigned int dim, unsigned int spacedim>

const 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 160 of file fe_values.cc.

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template<unsigned int dim, unsigned int spacedim>

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

inline

Determine quantities to be recomputed on each cell.

Parameters

flags Flags that indicate what has to be recomputed.

Definition at line 140 of file fe_values.cc.

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 352 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 337 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 347 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 327 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 342 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 332 of file fe_values.hh.

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

/home/builder/jenkins/F123-linux-release/flow123d/src/fem/fe_values.hh
/home/builder/jenkins/F123-linux-release/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 >