Class for computation of data on cell and side. More...
#include <element_values.hh>
Public Member Functions | |
| ElementValues (Quadrature &_quadrature, UpdateFlags _flags, unsigned int dim) | |
| Constructor. More... | |
| ~ElementValues () | |
| Correct deallocation of objects created by 'initialize' methods. More... | |
| void | reinit (const ElementAccessor< spacedim > &cell) |
| Update cell-dependent data (gradients, Jacobians etc.) More... | |
| void | reinit (const Side &cell_side) |
| Update side-dependent data (Jacobians etc.) More... | |
| UpdateFlags | update_each (UpdateFlags flags) |
| Determine quantities to be recomputed on each cell. More... | |
| double | determinant (const unsigned int point_no) const |
| Return the relative volume change of the cell (Jacobian determinant). More... | |
| arma::mat | jacobian (const unsigned int point_no) const |
Return Jacobian matrix at point point_no. More... | |
| arma::mat | inverse_jacobian (const unsigned int point_no) const |
Return inverse Jacobian matrix at point point_no. More... | |
| double | JxW (const unsigned int point_no) const |
| Return the product of Jacobian determinant and the quadrature weight at given quadrature point. More... | |
| double | side_JxW (const unsigned int point_no) const |
| Return the product of side Jacobian determinant and the quadrature weight at given quadrature point. More... | |
| arma::vec::fixed< spacedim > | point (const unsigned int point_no) const |
| Return coordinates of the quadrature point in the actual cell system. More... | |
| const Armor::array & | point_list () const |
| 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... | |
| const ElementAccessor< spacedim > & | cell () const |
| Return cell at which the values were reinited. More... | |
| const Side & | side () const |
| Return cell side where the values were reinited. More... | |
Protected Member Functions | |
| RefElementData * | init_ref_data (const Quadrature &q) |
| Precompute data on reference element. More... | |
| template<unsigned int dim> | |
| void | fill_data () |
| Compute data from reference cell and using MappingP1. More... | |
| template<unsigned int dim> | |
| void | fill_side_data () |
| Calculates the mapping data on a side of a cell. More... | |
Protected Attributes | |
| const unsigned int | dim_ |
| Dimension of space of reference cell. More... | |
| const unsigned int | n_points_ |
| Number of integration points. More... | |
| const unsigned int | n_sides_ |
| Number of sides in reference cell. More... | |
| const unsigned int | n_side_permutations_ |
| Number of permutations of points on side of reference cell. More... | |
| RefElementData * | ref_data |
| Data on reference element. More... | |
| std::vector< std::vector< RefElementData * > > | side_ref_data |
| Data on reference element (for each side and its permutation). More... | |
| ElementData< spacedim > | data |
| Data computed by the mapping. More... | |
Detailed Description
template<unsigned int spacedim>
class ElementValues< spacedim >
Class for computation of data on cell and side.
Definition at line 128 of file element_values.hh.
Constructor & Destructor Documentation
| ElementValues< spacedim >::ElementValues | ( | Quadrature & | _quadrature, |
| UpdateFlags | _flags, | ||
| unsigned int | dim | ||
| ) |
Constructor.
Initializes structures and calculates cell-independent data. The quadrature can have dimension either dim or dim-1 (for values on side). In the later case also normal vectors and side jacobians are computed.
- Parameters
-
_quadrature The quadrature rule. _flags The update flags. dim Dimension of space of reference cell.
Definition at line 155 of file element_values.cc.
| ElementValues< spacedim >::~ElementValues | ( | ) |
Correct deallocation of objects created by 'initialize' methods.
Definition at line 205 of file element_values.cc.
Member Function Documentation
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inline |
Return cell at which the values were reinited.
Definition at line 260 of file element_values.hh.
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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 182 of file element_values.hh.
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Compute data from reference cell and using MappingP1.
Definition at line 270 of file element_values.cc.
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Calculates the mapping data on a side of a cell.
Definition at line 346 of file element_values.cc.
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Precompute data on reference element.
Definition at line 97 of file element_values.cc.
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Return inverse Jacobian matrix at point point_no.
Definition at line 196 of file element_values.hh.
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Return Jacobian matrix at point point_no.
Definition at line 189 of file element_values.hh.
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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 208 of file element_values.hh.
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Returns the number of quadrature points.
Definition at line 256 of file element_values.hh.
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Returns the normal vector to a side at given quadrature point.
- Parameters
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point_no Number of the quadrature point.
Definition at line 249 of file element_values.hh.
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Return coordinates of the quadrature point in the actual cell system.
- Parameters
-
point_no Number of the quadrature point.
Definition at line 231 of file element_values.hh.
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inline |
Return coordinates of all quadrature points in the actual cell system.
Definition at line 238 of file element_values.hh.
| void ElementValues< spacedim >::reinit | ( | const ElementAccessor< spacedim > & | cell | ) |
Update cell-dependent data (gradients, Jacobians etc.)
- Parameters
-
cell The actual cell.
Definition at line 216 of file element_values.cc.
| void ElementValues< spacedim >::reinit | ( | const Side & | cell_side | ) |
Update side-dependent data (Jacobians etc.)
- Parameters
-
cell_side The actual cell and side.
Definition at line 241 of file element_values.cc.
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inline |
Return cell side where the values were reinited.
Definition at line 264 of file element_values.hh.
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Return the product of side Jacobian determinant and the quadrature weight at given quadrature point.
- Parameters
-
point_no Number of the quadrature point.
Definition at line 220 of file element_values.hh.
| UpdateFlags ElementValues< 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 129 of file element_values.cc.
Member Data Documentation
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Data computed by the mapping.
Definition at line 303 of file element_values.hh.
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Dimension of space of reference cell.
Definition at line 285 of file element_values.hh.
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Number of integration points.
Definition at line 288 of file element_values.hh.
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Number of permutations of points on side of reference cell.
Definition at line 294 of file element_values.hh.
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Number of sides in reference cell.
Definition at line 291 of file element_values.hh.
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Data on reference element.
Definition at line 297 of file element_values.hh.
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Data on reference element (for each side and its permutation).
Definition at line 300 of file element_values.hh.
The documentation for this class was generated from the following files:
- /opt/flow123d/flow123d/src/fem/element_values.hh
- /opt/flow123d/flow123d/src/fem/element_values.cc
