Reference documentation for deal.II version GIT 4efb66ecd0 2023-02-07 13:45:02+00:00
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fe_q_hierarchical.h
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1 // ---------------------------------------------------------------------
2 //
3 // Copyright (C) 2002 - 2020 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_q_hierarchical_h
17 #define dealii_fe_q_hierarchical_h
18 
19 #include <deal.II/base/config.h>
20 
22 
23 #include <deal.II/fe/fe_poly.h>
24 
26 
540 template <int dim>
541 class FE_Q_Hierarchical : public FE_Poly<dim>
542 {
543 public:
547  FE_Q_Hierarchical(const unsigned int p);
548 
554  virtual std::string
555  get_name() const override;
556 
557  virtual std::unique_ptr<FiniteElement<dim, dim>>
558  clone() const override;
559 
564  virtual bool
565  has_support_on_face(const unsigned int shape_index,
566  const unsigned int face_index) const override;
567 
581  virtual bool
582  hp_constraints_are_implemented() const override;
583 
588  virtual void
590  FullMatrix<double> & matrix) const override;
591 
595  virtual const FullMatrix<double> &
597  const unsigned int child,
598  const RefinementCase<dim> &refinement_case =
600 
616  virtual std::vector<std::pair<unsigned int, unsigned int>>
617  hp_vertex_dof_identities(const FiniteElement<dim> &fe_other) const override;
618 
622  virtual std::vector<std::pair<unsigned int, unsigned int>>
623  hp_line_dof_identities(const FiniteElement<dim> &fe_other) const override;
624 
628  virtual std::vector<std::pair<unsigned int, unsigned int>>
630  const unsigned int face_no = 0) const override;
631 
637  const unsigned int codim = 0) const override final;
638 
652  virtual void
655  const unsigned int face_no = 0) const override;
656 
668  virtual void
670  const FiniteElement<dim> &source,
671  const unsigned int subface,
673  const unsigned int face_no = 0) const override;
674 
683  virtual std::size_t
684  memory_consumption() const override;
685 
691  std::vector<unsigned int>
692  get_embedding_dofs(const unsigned int sub_degree) const;
693 
699  virtual std::pair<Table<2, bool>, std::vector<unsigned int>>
700  get_constant_modes() const override;
701 
702 private:
709  static std::vector<unsigned int>
710  get_dpo_vector(const unsigned int degree);
711 
739  static std::vector<unsigned int>
741 
745  static std::vector<unsigned int>
747 
752  void
753  build_dofs_cell(std::vector<FullMatrix<double>> &dofs_cell,
754  std::vector<FullMatrix<double>> &dofs_subcell) const;
755 
760  void
761  initialize_constraints(const std::vector<FullMatrix<double>> &dofs_subcell);
762 
766  void
768  const std::vector<FullMatrix<double>> &dofs_cell,
769  const std::vector<FullMatrix<double>> &dofs_subcell);
770 
775  void
777 
782  void
784 
788  const std::vector<unsigned int> face_renumber;
789 
790  // Allow access from other dimensions. We need this since we want to call
791  // the functions @p get_dpo_vector and @p
792  // lexicographic_to_hierarchic_numbering for the faces of the finite element
793  // of dimension dim+1.
794  template <int dim1>
795  friend class FE_Q_Hierarchical;
796 };
797 
800 /* -------------- declaration of explicit specializations ------------- */
801 
802 template <>
803 void
805 
806 template <>
807 bool
809  const unsigned int) const;
810 
811 template <>
812 std::vector<unsigned int>
814  const unsigned int);
815 
817 
818 #endif
const std::vector< unsigned int > face_renumber
virtual std::unique_ptr< FiniteElement< dim, dim > > clone() const override
virtual void get_interpolation_matrix(const FiniteElement< dim > &source, FullMatrix< double > &matrix) const override
virtual std::pair< Table< 2, bool >, std::vector< unsigned int > > get_constant_modes() const override
static std::vector< unsigned int > get_dpo_vector(const unsigned int degree)
friend class FE_Q_Hierarchical
std::vector< unsigned int > get_embedding_dofs(const unsigned int sub_degree) const
virtual std::vector< std::pair< unsigned int, unsigned int > > hp_quad_dof_identities(const FiniteElement< dim > &fe_other, const unsigned int face_no=0) const override
void build_dofs_cell(std::vector< FullMatrix< double >> &dofs_cell, std::vector< FullMatrix< double >> &dofs_subcell) const
void initialize_embedding_and_restriction(const std::vector< FullMatrix< double >> &dofs_cell, const std::vector< FullMatrix< double >> &dofs_subcell)
void initialize_generalized_support_points()
virtual FiniteElementDomination::Domination compare_for_domination(const FiniteElement< dim > &fe_other, const unsigned int codim=0) const override final
static std::vector< unsigned int > hierarchic_to_fe_q_hierarchical_numbering(const FiniteElementData< dim > &fe)
virtual const FullMatrix< double > & get_prolongation_matrix(const unsigned int child, const RefinementCase< dim > &refinement_case=RefinementCase< dim >::isotropic_refinement) const override
virtual void get_subface_interpolation_matrix(const FiniteElement< dim > &source, const unsigned int subface, FullMatrix< double > &matrix, const unsigned int face_no=0) const override
virtual std::vector< std::pair< unsigned int, unsigned int > > hp_vertex_dof_identities(const FiniteElement< dim > &fe_other) const override
static std::vector< unsigned int > face_fe_q_hierarchical_to_hierarchic_numbering(const unsigned int degree)
void initialize_generalized_face_support_points()
virtual std::string get_name() const override
virtual void get_face_interpolation_matrix(const FiniteElement< dim > &source, FullMatrix< double > &matrix, const unsigned int face_no=0) const override
virtual std::size_t memory_consumption() const override
void initialize_constraints(const std::vector< FullMatrix< double >> &dofs_subcell)
virtual bool has_support_on_face(const unsigned int shape_index, const unsigned int face_index) const override
virtual bool hp_constraints_are_implemented() const override
virtual std::vector< std::pair< unsigned int, unsigned int > > hp_line_dof_identities(const FiniteElement< dim > &fe_other) const override
const unsigned int degree
Definition: fe_data.h:449
#define DEAL_II_NAMESPACE_OPEN
Definition: config.h:461
#define DEAL_II_NAMESPACE_CLOSE
Definition: config.h:462
@ matrix
Contents is actually a matrix.