Reference documentation for deal.II version 9.5.0
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fe_nothing.h
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1// ---------------------------------------------------------------------
2//
3// Copyright (C) 2009 - 2022 by the deal.II authors
4//
5// This file is part of the deal.II library.
6//
7// The deal.II library is free software; you can use it, redistribute
8// it, and/or modify it under the terms of the GNU Lesser General
9// Public License as published by the Free Software Foundation; either
10// version 2.1 of the License, or (at your option) any later version.
11// The full text of the license can be found in the file LICENSE.md at
12// the top level directory of deal.II.
13//
14// ---------------------------------------------------------------------
15
16#ifndef dealii_fe_nothing_h
17#define dealii_fe_nothing_h
18
19#include <deal.II/base/config.h>
20
21#include <deal.II/fe/fe.h>
22
24
25
130template <int dim, int spacedim = dim>
131class FE_Nothing : public FiniteElement<dim, spacedim>
132{
133public:
150 FE_Nothing(const ReferenceCell &type,
151 const unsigned int n_components = 1,
152 const bool dominate = false);
153
157 FE_Nothing(const unsigned int n_components = 1, const bool dominate = false);
158
159 virtual std::unique_ptr<FiniteElement<dim, spacedim>>
160 clone() const override;
161
175 virtual std::string
176 get_name() const override;
177
178 // for documentation, see the FiniteElement base class
179 virtual UpdateFlags
180 requires_update_flags(const UpdateFlags update_flags) const override;
181
189 virtual double
190 shape_value(const unsigned int i, const Point<dim> &p) const override;
191
192 virtual void
195 const CellSimilarity::Similarity cell_similarity,
196 const Quadrature<dim> & quadrature,
197 const Mapping<dim, spacedim> & mapping,
198 const typename Mapping<dim, spacedim>::InternalDataBase &mapping_internal,
200 & mapping_data,
201 const typename FiniteElement<dim, spacedim>::InternalDataBase &fe_internal,
203 spacedim>
204 &output_data) const override;
205
206 using FiniteElement<dim, spacedim>::fill_fe_face_values;
207
208 virtual void
211 const unsigned int face_no,
212 const hp::QCollection<dim - 1> & quadrature,
213 const Mapping<dim, spacedim> & mapping,
214 const typename Mapping<dim, spacedim>::InternalDataBase &mapping_internal,
216 & mapping_data,
217 const typename FiniteElement<dim, spacedim>::InternalDataBase &fe_internal,
219 spacedim>
220 &output_data) const override;
221
222 virtual void
225 const unsigned int face_no,
226 const unsigned int sub_no,
227 const Quadrature<dim - 1> & quadrature,
228 const Mapping<dim, spacedim> & mapping,
229 const typename Mapping<dim, spacedim>::InternalDataBase &mapping_internal,
231 & mapping_data,
232 const typename FiniteElement<dim, spacedim>::InternalDataBase &fe_internal,
234 spacedim>
235 &output_data) const override;
236
246 virtual std::unique_ptr<
248 get_data(
249 const UpdateFlags update_flags,
250 const Mapping<dim, spacedim> &mapping,
251 const Quadrature<dim> & quadrature,
253 spacedim>
254 &output_data) const override;
255
268 const unsigned int codim = 0) const override final;
269
270
271
272 virtual std::vector<std::pair<unsigned int, unsigned int>>
274 const FiniteElement<dim, spacedim> &fe_other) const override;
275
276 virtual std::vector<std::pair<unsigned int, unsigned int>>
278 const FiniteElement<dim, spacedim> &fe_other) const override;
279
280 virtual std::vector<std::pair<unsigned int, unsigned int>>
282 const unsigned int face_no = 0) const override;
283
284 virtual bool
285 hp_constraints_are_implemented() const override;
286
292 virtual void
294 const FiniteElement<dim, spacedim> &source_fe,
295 FullMatrix<double> & interpolation_matrix) const override;
296
306 virtual void
308 FullMatrix<double> &interpolation_matrix,
309 const unsigned int face_no = 0) const override;
310
311
321 virtual void
323 const FiniteElement<dim, spacedim> &source_fe,
324 const unsigned int index,
325 FullMatrix<double> & interpolation_matrix,
326 const unsigned int face_no = 0) const override;
327
334 virtual std::pair<Table<2, bool>, std::vector<unsigned int>>
335 get_constant_modes() const override;
336
340 bool
341 is_dominating() const;
342
343private:
350 const bool dominate;
351};
352
353
357
358#endif
virtual std::vector< std::pair< unsigned int, unsigned int > > hp_line_dof_identities(const FiniteElement< dim, spacedim > &fe_other) const override
const bool dominate
Definition fe_nothing.h:350
virtual std::string get_name() const override
Definition fe_nothing.cc:72
virtual void get_subface_interpolation_matrix(const FiniteElement< dim, spacedim > &source_fe, const unsigned int index, FullMatrix< double > &interpolation_matrix, const unsigned int face_no=0) const override
virtual std::unique_ptr< FiniteElement< dim, spacedim > > clone() const override
Definition fe_nothing.cc:63
virtual void get_face_interpolation_matrix(const FiniteElement< dim, spacedim > &source_fe, FullMatrix< double > &interpolation_matrix, const unsigned int face_no=0) const override
virtual void fill_fe_subface_values(const typename Triangulation< dim, spacedim >::cell_iterator &cell, const unsigned int face_no, const unsigned int sub_no, const Quadrature< dim - 1 > &quadrature, const Mapping< dim, spacedim > &mapping, const typename Mapping< dim, spacedim >::InternalDataBase &mapping_internal, const internal::FEValuesImplementation::MappingRelatedData< dim, spacedim > &mapping_data, const typename FiniteElement< dim, spacedim >::InternalDataBase &fe_internal, ::internal::FEValuesImplementation::FiniteElementRelatedData< dim, spacedim > &output_data) const override
virtual UpdateFlags requires_update_flags(const UpdateFlags update_flags) const override
virtual std::vector< std::pair< unsigned int, unsigned int > > hp_vertex_dof_identities(const FiniteElement< dim, spacedim > &fe_other) const override
virtual double shape_value(const unsigned int i, const Point< dim > &p) const override
virtual void fill_fe_face_values(const typename Triangulation< dim, spacedim >::cell_iterator &cell, const unsigned int face_no, const hp::QCollection< dim - 1 > &quadrature, const Mapping< dim, spacedim > &mapping, const typename Mapping< dim, spacedim >::InternalDataBase &mapping_internal, const internal::FEValuesImplementation::MappingRelatedData< dim, spacedim > &mapping_data, const typename FiniteElement< dim, spacedim >::InternalDataBase &fe_internal, ::internal::FEValuesImplementation::FiniteElementRelatedData< dim, spacedim > &output_data) const override
virtual void get_interpolation_matrix(const FiniteElement< dim, spacedim > &source_fe, FullMatrix< double > &interpolation_matrix) const override
virtual FiniteElementDomination::Domination compare_for_domination(const FiniteElement< dim, spacedim > &fe_other, const unsigned int codim=0) const override final
virtual void fill_fe_values(const typename Triangulation< dim, spacedim >::cell_iterator &cell, const CellSimilarity::Similarity cell_similarity, const Quadrature< dim > &quadrature, const Mapping< dim, spacedim > &mapping, const typename Mapping< dim, spacedim >::InternalDataBase &mapping_internal, const internal::FEValuesImplementation::MappingRelatedData< dim, spacedim > &mapping_data, const typename FiniteElement< dim, spacedim >::InternalDataBase &fe_internal, ::internal::FEValuesImplementation::FiniteElementRelatedData< dim, spacedim > &output_data) const override
bool is_dominating() const
virtual std::unique_ptr< typename FiniteElement< dim, spacedim >::InternalDataBase > get_data(const UpdateFlags update_flags, const Mapping< dim, spacedim > &mapping, const Quadrature< dim > &quadrature, ::internal::FEValuesImplementation::FiniteElementRelatedData< dim, spacedim > &output_data) const override
virtual bool hp_constraints_are_implemented() const override
virtual std::pair< Table< 2, bool >, std::vector< unsigned int > > get_constant_modes() const override
virtual std::vector< std::pair< unsigned int, unsigned int > > hp_quad_dof_identities(const FiniteElement< dim, spacedim > &fe_other, const unsigned int face_no=0) const override
unsigned int n_components() const
Abstract base class for mapping classes.
Definition mapping.h:317
Definition point.h:112
#define DEAL_II_NAMESPACE_OPEN
Definition config.h:472
#define DEAL_II_NAMESPACE_CLOSE
Definition config.h:473
UpdateFlags