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release_3.0.0-1008-gca43bb7
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Calculates finite element data on a side. More...
#include <fe_values.hh>
Public Member Functions | |
FESideValues (Mapping< dim, spacedim > &_mapping, Quadrature< dim-1 > &_sub_quadrature, FiniteElement< dim > &_fe, UpdateFlags flags) | |
Constructor. More... | |
virtual | ~FESideValues () |
Destructor. More... | |
void | reinit (ElementAccessor< 3 > &cell, unsigned int sid) |
Update cell-dependent data (gradients, Jacobians etc.) More... | |
Public Member Functions inherited from FEValuesBase< dim, spacedim > | |
FEValuesBase () | |
Default constructor. More... | |
virtual | ~FEValuesBase () |
void | allocate (Mapping< dim, spacedim > &_mapping, Quadrature< dim > &_quadrature, FiniteElement< dim > &_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... | |
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... | |
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... | |
const FEValuesViews::Scalar< dim, spacedim > & | scalar_view (unsigned int i) const |
Accessor to scalar values of multicomponent FE. More... | |
const FEValuesViews::Vector< dim, spacedim > & | vector_view (unsigned int i) const |
Accessor to vector values of multicomponent FE. More... | |
const FEValuesViews::Tensor< dim, spacedim > & | tensor_view (unsigned int i) const |
Accessor to tensor values of multicomponent FE. 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 > * | 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 () |
Private Attributes | |
const Quadrature< dim-1 > * | sub_quadrature |
Quadrature for the integration on the element sides. More... | |
Quadrature< dim > | side_quadrature [RefElement< dim >::n_sides][RefElement< dim >::n_side_permutations] |
MappingInternalData * | side_mapping_data [RefElement< dim >::n_sides][RefElement< dim >::n_side_permutations] |
FEInternalData * | side_fe_data [RefElement< dim >::n_sides][RefElement< dim >::n_side_permutations] |
Additional Inherited Members | |
Protected Member Functions inherited from FEValuesBase< dim, spacedim > | |
FEInternalData * | init_fe_data (const Quadrature< dim > *q) |
Precompute finite element data on reference element. More... | |
void | fill_data (const FEInternalData &fe_data) |
Computes the shape function values and gradients on the actual cell and fills the FEValues structure. More... | |
void | fill_scalar_data (const FEInternalData &fe_data) |
Compute shape functions and gradients on the actual cell for scalar FE. More... | |
void | fill_vec_data (const FEInternalData &fe_data) |
Compute shape functions and gradients on the actual cell for vectorial FE. More... | |
void | fill_vec_contravariant_data (const FEInternalData &fe_data) |
Compute shape functions and gradients on the actual cell for vectorial FE. More... | |
void | fill_vec_piola_data (const FEInternalData &fe_data) |
Compute shape functions and gradients on the actual cell for Raviart-Thomas FE. More... | |
void | fill_tensor_data (const FEInternalData &fe_data) |
Compute shape functions and gradients on the actual cell for tensorial FE. More... | |
void | fill_system_data (const FEInternalData &fe_data) |
Compute shape functions and gradients on the actual cell for mixed system of FE. More... | |
Protected Attributes inherited from FEValuesBase< dim, spacedim > | |
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 > * | 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... | |
std::vector< std::shared_ptr< FEValuesBase< dim, spacedim > > > | 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... | |
Calculates finite element data on a side.
FESideValues takes care of the calculation of finite element data on a side of the actual cell such as values of shape functions at quadrature points, gradients of shape functions, Jacobians of the mapping from the reference cell etc.
dim | Dimension of the reference cell. |
spacedim | Dimension of the Euclidean space where the actual cell lives. |
Definition at line 577 of file fe_values.hh.
FESideValues< dim, spacedim >::FESideValues | ( | Mapping< dim, spacedim > & | _mapping, |
Quadrature< dim-1 > & | _sub_quadrature, | ||
FiniteElement< dim > & | _fe, | ||
UpdateFlags | flags | ||
) |
Constructor.
Initializes structures and calculates cell-independent data.
_mapping | The mapping between the reference and actual cell. |
_sub_quadrature | The quadrature rule on the side. |
_fe | The finite element. |
flags | The update flags. |
Definition at line 551 of file fe_values.cc.
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virtual |
Destructor.
Definition at line 586 of file fe_values.cc.
void FESideValues< dim, spacedim >::reinit | ( | ElementAccessor< 3 > & | cell, |
unsigned int | sid | ||
) |
Update cell-dependent data (gradients, Jacobians etc.)
cell | The actual cell. |
sid | Number of the side of the cell. |
Definition at line 604 of file fe_values.cc.
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private |
Definition at line 623 of file fe_values.hh.
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private |
Definition at line 621 of file fe_values.hh.
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private |
Definition at line 619 of file fe_values.hh.
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private |
Quadrature for the integration on the element sides.
Definition at line 617 of file fe_values.hh.