two_merged_boxes.h

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/*
  Copyright (C) 2011 - 2018 by the authors of the ASPECT code.

  This file is part of ASPECT.

  ASPECT is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2, or (at your option)
  any later version.

  ASPECT is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with ASPECT; see the file LICENSE.  If not see
  <http://www.gnu.org/licenses/>.
*/


#ifndef _aspect_geometry_model_two_merged_boxes_h
#define _aspect_geometry_model_two_merged_boxes_h

#include <aspect/geometry_model/box.h>


namespace aspect
{
  namespace GeometryModel
  {
    using namespace dealii;

    template <int dim>
    class TwoMergedBoxes : public Box<dim>
    {
      public:

        virtual
        void create_coarse_mesh (parallel::distributed::Triangulation<dim> &coarse_grid) const;

        Point<dim> get_extents () const;

        Point<dim> get_origin () const;

        virtual
        double length_scale () const;

        virtual
        double depth(const Point<dim> &position) const;

        virtual
        Point<dim> representative_point(const double depth) const;

        virtual
        double maximal_depth() const;

        virtual
        std::set<types::boundary_id>
        get_used_boundary_indicators () const;

        virtual
        std::map<std::string,types::boundary_id>
        get_symbolic_boundary_names_map () const;

        virtual
        std::set< std::pair< std::pair<types::boundary_id, types::boundary_id>, unsigned int> >
        get_periodic_boundary_pairs () const;

        virtual
        bool
        has_curved_elements() const;

        virtual
        bool
        point_is_in_domain(const Point<dim> &point) const;

        /*
         * Returns what the natural coordinate system for this geometry model is,
         * which for two merged boxex is Cartesian.
         */
        virtual
        aspect::Utilities::Coordinates::CoordinateSystem natural_coordinate_system() const;

        virtual
        std::array<double,dim> cartesian_to_natural_coordinates(const Point<dim> &position) const;

        virtual
        Point<dim> natural_to_cartesian_coordinates(const std::array<double,dim> &position) const;

        static
        void
        declare_parameters (ParameterHandler &prm);

        virtual
        void
        parse_parameters (ParameterHandler &prm);

      private:
        Point<dim> extents;

        Point<dim> lower_extents;

        Point<dim> lower_box_origin;

        Point<dim> upper_extents;

        Point<dim> upper_box_origin;

        bool periodic[dim+dim-1];

        unsigned int lower_repetitions[dim];

        unsigned int upper_repetitions[dim];

        double height_lith;

        virtual
        void
        set_boundary_indicators (parallel::distributed::Triangulation<dim> &triangulation) const;

    };
  }
}


#endif