#include <fe_values.hh>

Inheritance diagram for PatchFEValues< spacedim >:

Collaboration diagram for PatchFEValues< spacedim >:

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Classes
class	ElementFEData

Public Member Functions
	PatchFEValues (unsigned int max_size=0)
	Constructor, set maximal number of elements on patch. More...

void	reinit (PatchElementsList patch_elements)
	Reinit data. More...

unsigned int	used_size () const

unsigned int	max_size () const

void	get_cell (const unsigned int patch_cell_idx)
	Set element that is selected for processing. Element is given by index on patch. More...

void	get_side (unsigned int patch_cell_idx, unsigned int side_idx)
	Set element and side that are selected for processing. Element is given by index on patch. More...

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

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

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

void	set_shape_value (unsigned int i_point, unsigned int i_func_comp, double val)

void	set_shape_gradient (unsigned int i_point, unsigned int i_func_comp, arma::vec::fixed< spacedim > val)

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 >	normal_vector (unsigned int point_no)
	Returns the normal vector to a side at given quadrature point. More...

Public Member Functions inherited from FEValuesBase< PatchFEValues< 3 >, 3 >
	FEValuesBase ()
	Default constructor with postponed initialization. More...

void	initialize (Quadrature &_quadrature, FiniteElement< DIM > &_fe, UpdateFlags _flags)
	Initialize structures and calculates cell-independent data. More...

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

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

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

unsigned int	dim () const
	Return dimension of reference space. More...

const FEValuesViews::Scalar< PatchFEValues< 3 >, spacedim > &	scalar_view (unsigned int i) const
	Accessor to scalar values of multicomponent FE. More...

const FEValuesViews::Vector< PatchFEValues< 3 >, spacedim > &	vector_view (unsigned int i) const
	Accessor to vector values of multicomponent FE. More...

const FEValuesViews::Tensor< PatchFEValues< 3 >, spacedim > &	tensor_view (unsigned int i) const
	Accessor to tensor values of multicomponent FE. More...

void	fill_data_specialized (const ElementValues< spacedim > &elm_values, const typename FEValuesBase< PatchFEValues< 3 >, spacedim >::FEInternalData &fe_data)

Protected Types
enum	MeshObjectType { ElementFE = 0 , SideFE = 1 }

Protected Member Functions
void	resize (unsigned int max_size)
	Set size of ElementFEData. Important: Use only during the initialization of FESystem ! More...

void	allocate_in (unsigned int q_dim) override
	Implement `FEValuesBase::allocate_in`. More...

void	initialize_in (Quadrature &q, unsigned int dim) override
	Implement `FEValuesBase::initialize_in`. More...

void	init_fe_val_vec () override
	Implement `FEValuesBase::initialize_in`. More...

Protected Member Functions inherited from FEValuesBase< PatchFEValues< 3 >, 3 >
void	fill_data (const ElementValues< spacedim > &elm_values, const FEInternalData &fe_data)
	Computes the shape function values and gradients on the actual cell and fills the FEValues structure. More...

void	fill_data_specialized (const ElementValues< spacedim > &elm_values, const FEInternalData &fe_data)
	Computes the shape function values and gradients on the actual cell and fills the FEValues structure. Specialized variant of previous method for different FETypes given by template parameter. More...

std::shared_ptr< typename FEValuesBase< PatchFEValues< 3 >, spacedim >::FEInternalData >	init_fe_data (const FiniteElement< DIM > &fe, const Quadrature &q)
	Precompute finite element data on reference element. More...

Protected Attributes
unsigned int	patch_data_idx_
	Patch index of processed element / side. More...

std::map< unsigned int, unsigned int >	element_patch_map_
	Map of element patch indexes to element_data_. More...

std::vector< ElementFEData >	element_data_
	Data of elements / sides on patch. More...

unsigned int	used_size_
	Number of elements / sides on patch. Must be less or equal to size of element_data vector. More...

unsigned int	max_n_elem_
	Maximal number of elements on patch. More...

MeshObjectType	object_type_
	Distinguishes using of PatchFEValues for storing data of elements or sides. More...

Protected Attributes inherited from FEValuesBase< PatchFEValues< 3 >, 3 >
unsigned int	dim_
	Dimension of reference space. More...

unsigned int	n_points_
	Number of integration points. More...

unsigned int	n_dofs_
	Number of finite element dofs. More...

FEType	fe_type_
	Type of finite element (scalar, vector, tensor). More...

std::vector< std::vector< unsigned int > >	fe_sys_dofs_
	Dof indices of FESystem sub-elements. More...

std::vector< unsigned int >	fe_sys_n_components_
	Numbers of components of FESystem sub-elements in reference space. More...

std::vector< unsigned int >	fe_sys_n_space_components_
	Numbers of components of FESystem sub-elements in real space. More...

UpdateFlags	update_flags
	Flags that indicate which finite element quantities are to be computed. More...

std::vector< PatchFEValues< 3 > >	fe_values_vec
	Vector of FEValues for sub-elements of FESystem. More...

unsigned int	n_components_
	Number of components of the FE. More...

ViewsCache	views_cache_
	Auxiliary storage of FEValuesViews accessors. More...

std::shared_ptr< FEInternalData >	fe_data_
	Precomputed finite element data. More...

std::vector< shared_ptr< FEInternalData > >	side_fe_data_
	Precomputed FE data (shape functions on reference element) for all side quadrature points. More...

PatchFEValues< 3 > *	fv_
	Helper object, we need its for ViewsCache initialization. More...

Friends
class	MapScalar< PatchFEValues< spacedim >, spacedim >

class	MapPiola< PatchFEValues< spacedim >, spacedim >

class	MapContravariant< PatchFEValues< spacedim >, spacedim >

class	MapVector< PatchFEValues< spacedim >, spacedim >

class	MapTensor< PatchFEValues< spacedim >, spacedim >

class	MapSystem< PatchFEValues< spacedim >, spacedim >

Detailed Description

template<unsigned int spacedim = 3>
class PatchFEValues< spacedim >

Definition at line 498 of file fe_values.hh.

Member Enumeration Documentation

◆ MeshObjectType

template<unsigned int spacedim = 3>

enum PatchFEValues::MeshObjectType

protected

Enumerator
ElementFE
SideFE

Definition at line 643 of file fe_values.hh.

Constructor & Destructor Documentation

◆ PatchFEValues()

template<unsigned int spacedim = 3>

PatchFEValues< spacedim >::PatchFEValues ( unsigned int max_size = 0 )

Constructor, set maximal number of elements on patch.

Member Function Documentation

◆ allocate_in()

template<unsigned int spacedim = 3>

void PatchFEValues< spacedim >::allocate_in ( unsigned int q_dim )

overrideprotectedvirtual

Implement FEValuesBase::allocate_in.

Implements FEValuesBase< PatchFEValues< 3 >, 3 >.

◆ determinant()

template<unsigned int spacedim = 3>

double PatchFEValues< 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 610 of file fe_values.hh.

◆ get_cell()

template<unsigned int spacedim = 3>

void PatchFEValues< spacedim >::get_cell ( const unsigned int patch_cell_idx )

inline

Set element that is selected for processing. Element is given by index on patch.

Definition at line 515 of file fe_values.hh.

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◆ get_side()

template<unsigned int spacedim = 3>

void PatchFEValues< spacedim >::get_side	(	unsigned int	patch_cell_idx,
		unsigned int	side_idx
	)

inline

Set element and side that are selected for processing. Element is given by index on patch.

Definition at line 520 of file fe_values.hh.

◆ init_fe_val_vec()

template<unsigned int spacedim = 3>

void PatchFEValues< spacedim >::init_fe_val_vec ( )

overrideprotectedvirtual

Implement FEValuesBase::initialize_in.

Implements FEValuesBase< PatchFEValues< 3 >, 3 >.

◆ initialize_in()

template<unsigned int spacedim = 3>

void PatchFEValues< spacedim >::initialize_in	(	Quadrature &	q,
		unsigned int	dim
	)

overrideprotectedvirtual

Implement FEValuesBase::initialize_in.

Implements FEValuesBase< PatchFEValues< 3 >, 3 >.

◆ JxW()

template<unsigned int spacedim = 3>

double PatchFEValues< spacedim >::JxW ( const unsigned int point_no )

inline

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

Parameters

point_no Number of the quadrature point.

Definition at line 622 of file fe_values.hh.

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◆ max_size()

template<unsigned int spacedim = 3>

unsigned int PatchFEValues< spacedim >::max_size ( ) const

inline

Definition at line 510 of file fe_values.hh.

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◆ normal_vector()

template<unsigned int spacedim = 3>

arma::vec::fixed<spacedim> PatchFEValues< spacedim >::normal_vector ( unsigned int point_no )

inline

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

Parameters

point_no Number of the quadrature point.

Definition at line 635 of file fe_values.hh.

◆ reinit()

template<unsigned int spacedim = 3>

void PatchFEValues< spacedim >::reinit ( PatchElementsList patch_elements )

Reinit data.

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◆ resize()

template<unsigned int spacedim = 3>

void PatchFEValues< spacedim >::resize ( unsigned int max_size )

inlineprotected

Set size of ElementFEData. Important: Use only during the initialization of FESystem !

Definition at line 666 of file fe_values.hh.

◆ set_shape_gradient()

template<unsigned int spacedim = 3>

void PatchFEValues< spacedim >::set_shape_gradient	(	unsigned int	i_point,
		unsigned int	i_func_comp,
		arma::vec::fixed< spacedim >	val
	)

inline

Set shape gradient val of the i_point and i_func_comp.

Definition at line 597 of file fe_values.hh.

◆ set_shape_value()

template<unsigned int spacedim = 3>

void PatchFEValues< spacedim >::set_shape_value	(	unsigned int	i_point,
		unsigned int	i_func_comp,
		double	val
	)

inline

Set shape value val of the i_point and i_func_comp.

Definition at line 589 of file fe_values.hh.

◆ shape_grad()

template<unsigned int spacedim = 3>

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

inline

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.

Definition at line 546 of file fe_values.hh.

◆ shape_grad_component()

template<unsigned int spacedim = 3>

arma::vec::fixed<spacedim> PatchFEValues< spacedim >::shape_grad_component	(	const unsigned int	function_no,
		const unsigned int	point_no,
		const unsigned int	comp
	)		const

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.

◆ shape_value()

template<unsigned int spacedim = 3>

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

inline

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.

Definition at line 531 of file fe_values.hh.

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◆ shape_value_component()

template<unsigned int spacedim = 3>

double PatchFEValues< spacedim >::shape_value_component	(	const unsigned int	function_no,
		const unsigned int	point_no,
		const unsigned int	comp
	)		const

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 562 of file fe_values.hh.

◆ used_size()

template<unsigned int spacedim = 3>

unsigned int PatchFEValues< spacedim >::used_size ( ) const

inline

Definition at line 506 of file fe_values.hh.

Friends And Related Function Documentation

◆ MapContravariant< PatchFEValues< spacedim >, spacedim >

template<unsigned int spacedim = 3>

friend class MapContravariant< PatchFEValues< spacedim >, spacedim >

friend

Definition at line 695 of file fe_values.hh.

◆ MapPiola< PatchFEValues< spacedim >, spacedim >

template<unsigned int spacedim = 3>

friend class MapPiola< PatchFEValues< spacedim >, spacedim >

friend

Definition at line 695 of file fe_values.hh.

◆ MapScalar< PatchFEValues< spacedim >, spacedim >

template<unsigned int spacedim = 3>

friend class MapScalar< PatchFEValues< spacedim >, spacedim >

friend

Definition at line 695 of file fe_values.hh.

◆ MapSystem< PatchFEValues< spacedim >, spacedim >

template<unsigned int spacedim = 3>

friend class MapSystem< PatchFEValues< spacedim >, spacedim >

friend

Definition at line 695 of file fe_values.hh.

◆ MapTensor< PatchFEValues< spacedim >, spacedim >

template<unsigned int spacedim = 3>

friend class MapTensor< PatchFEValues< spacedim >, spacedim >

friend

Definition at line 695 of file fe_values.hh.

◆ MapVector< PatchFEValues< spacedim >, spacedim >

template<unsigned int spacedim = 3>

friend class MapVector< PatchFEValues< spacedim >, spacedim >

friend

Definition at line 695 of file fe_values.hh.

Member Data Documentation

◆ element_data_

template<unsigned int spacedim = 3>

std::vector<ElementFEData> PatchFEValues< spacedim >::element_data_

protected

Data of elements / sides on patch.

Definition at line 686 of file fe_values.hh.

◆ element_patch_map_

template<unsigned int spacedim = 3>

std::map<unsigned int, unsigned int> PatchFEValues< spacedim >::element_patch_map_

protected

Map of element patch indexes to element_data_.

Definition at line 683 of file fe_values.hh.

◆ max_n_elem_

template<unsigned int spacedim = 3>

unsigned int PatchFEValues< spacedim >::max_n_elem_

protected

Maximal number of elements on patch.

Definition at line 692 of file fe_values.hh.

◆ object_type_

template<unsigned int spacedim = 3>

MeshObjectType PatchFEValues< spacedim >::object_type_

protected

Distinguishes using of PatchFEValues for storing data of elements or sides.

Definition at line 695 of file fe_values.hh.

◆ patch_data_idx_

template<unsigned int spacedim = 3>

unsigned int PatchFEValues< spacedim >::patch_data_idx_

protected

Patch index of processed element / side.

Definition at line 680 of file fe_values.hh.

◆ used_size_

template<unsigned int spacedim = 3>

unsigned int PatchFEValues< spacedim >::used_size_

protected

Number of elements / sides on patch. Must be less or equal to size of element_data vector.

Definition at line 689 of file fe_values.hh.

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

/home/runner/work/flow123d/flow123d/src/fem/fe_values.hh

Classes

Public Member Functions

Protected Types

Protected Member Functions

Protected Attributes

Friends

Detailed Description

template<unsigned int spacedim = 3> class PatchFEValues< spacedim >

Member Enumeration Documentation

◆ MeshObjectType

Constructor & Destructor Documentation

◆ PatchFEValues()

Member Function Documentation

◆ allocate_in()

◆ determinant()

◆ get_cell()

◆ get_side()

◆ init_fe_val_vec()

◆ initialize_in()

◆ JxW()

◆ max_size()

◆ normal_vector()

◆ reinit()

◆ resize()

◆ set_shape_gradient()

◆ set_shape_value()

◆ shape_grad()

◆ shape_grad_component()

◆ shape_value()

◆ shape_value_component()

◆ used_size()

Friends And Related Function Documentation

◆ MapContravariant< PatchFEValues< spacedim >, spacedim >

◆ MapPiola< PatchFEValues< spacedim >, spacedim >

◆ MapScalar< PatchFEValues< spacedim >, spacedim >

◆ MapSystem< PatchFEValues< spacedim >, spacedim >

◆ MapTensor< PatchFEValues< spacedim >, spacedim >

◆ MapVector< PatchFEValues< spacedim >, spacedim >

Member Data Documentation

◆ element_data_

◆ element_patch_map_

◆ max_n_elem_

◆ object_type_

◆ patch_data_idx_

◆ used_size_

template<unsigned int spacedim = 3>
class PatchFEValues< spacedim >