fe_immersed_values.h

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// ---------------------------------------------------------------------
//
// Copyright (C) 2021 - 2022 by the deal.II authors
//
// This file is part of the deal.II library.
//
// The deal.II library is free software; you can use it, redistribute
// it, and/or modify it under the terms of the GNU Lesser General
// Public License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
// The full text of the license can be found in the file LICENSE.md at
// the top level directory of deal.II.
//
// ---------------------------------------------------------------------
 
 
#ifndef dealii_non_matching_fe_immersed_values_h
#define dealii_non_matching_fe_immersed_values_h
 
#include <deal.II/base/config.h>
 
#include <deal.II/dofs/dof_accessor.h>
 
#include <deal.II/fe/fe.h>
#include <deal.II/fe/fe_update_flags.h>
#include <deal.II/fe/fe_values.h>
#include <deal.II/fe/mapping.h>
 
#include <deal.II/grid/tria_iterator.h>
 
#include <deal.II/non_matching/immersed_surface_quadrature.h>
 
DEAL_II_NAMESPACE_OPEN
namespace NonMatching
{
  template <int dim>
  class FEImmersedSurfaceValues : public FEValuesBase<dim, dim>
  {
  public:
    FEImmersedSurfaceValues(const Mapping<dim> &                  mapping,
                            const FiniteElement<dim> &            element,
                            const ImmersedSurfaceQuadrature<dim> &quadrature,
                            const UpdateFlags                     update_flags);
 
    void
    reinit(const typename Triangulation<dim>::cell_iterator &cell);
 
    template <bool level_dof_access>
    void
    reinit(
      const TriaIterator<DoFCellAccessor<dim, dim, level_dof_access>> &cell);
 
    Tensor<1, dim>
    shape_surface_grad(const unsigned int function_no,
                       const unsigned int quadrature_point) const;
 
    Tensor<1, dim>
    shape_surface_grad_component(const unsigned int function_no,
                                 const unsigned int quadrature_point,
                                 const unsigned int component) const;
 
    const NonMatching::ImmersedSurfaceQuadrature<dim> &
    get_quadrature() const;
 
  protected:
    void
    initialize(const UpdateFlags update_flags);
 
    void
    do_reinit();
 
    const ImmersedSurfaceQuadrature<dim> quadrature;
  };
 
} // namespace NonMatching
DEAL_II_NAMESPACE_CLOSE
 
#endif /* dealii_non_matching_fe_immersed_values_h */