two_layer_spine_mesh.template.h

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// LIC// ====================================================================
// LIC// This file forms part of oomph-lib, the object-oriented,
// LIC// multi-physics finite-element library, available
// LIC// at http://www.oomph-lib.org.
// LIC//
// LIC// Copyright (C) 2006-2022 Matthias Heil and Andrew Hazel
// LIC//
// LIC// This library is free software; you can redistribute it and/or
// LIC// modify it under the terms of the GNU Lesser General Public
// LIC// License as published by the Free Software Foundation; either
// LIC// version 2.1 of the License, or (at your option) any later version.
// LIC//
// LIC// This library is distributed in the hope that it will be useful,
// LIC// but WITHOUT ANY WARRANTY; without even the implied warranty of
// LIC// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// LIC// Lesser General Public License for more details.
// LIC//
// LIC// You should have received a copy of the GNU Lesser General Public
// LIC// License along with this library; if not, write to the Free Software
// LIC// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
// LIC// 02110-1301  USA.
// LIC//
// LIC// The authors may be contacted at oomph-lib@maths.man.ac.uk.
// LIC//
// LIC//====================================================================
#ifndef OOMPH_TWO_LAYER_SPINE_MESH_HEADER
#define OOMPH_TWO_LAYER_SPINE_MESH_HEADER
 
 
// The mesh
#include "../generic/spines.h"
#include "rectangular_quadmesh.template.h"
 
namespace oomph
{
  //======================================================================
  //======================================================================
  template<class ELEMENT>
  class TwoLayerSpineMesh : public RectangularQuadMesh<ELEMENT>,
                            public SpineMesh
  {
  public:
    TwoLayerSpineMesh(
      const unsigned& nx,
      const unsigned& ny1,
      const unsigned& ny2,
      const double& lx,
      const double& h1,
      const double& h2,
      TimeStepper* time_stepper_pt = &Mesh::Default_TimeStepper);
 
 
    TwoLayerSpineMesh(
      const unsigned& nx,
      const unsigned& ny1,
      const unsigned& ny2,
      const double& lx,
      const double& h1,
      const double& h2,
      const bool& periodic_in_x,
      TimeStepper* time_stepper_pt = &Mesh::Default_TimeStepper);
 
 
    TwoLayerSpineMesh(
      const unsigned& nx,
      const unsigned& ny1,
      const unsigned& ny2,
      const double& lx,
      const double& h1,
      const double& h2,
      const bool& periodic_in_x,
      const bool& build_mesh,
      TimeStepper* time_stepper_pt = &Mesh::Default_TimeStepper);
 
    FiniteElement*& upper_layer_element_pt(const unsigned long& i)
    {
      return Upper_layer_element_pt[i];
    }
 
    FiniteElement*& lower_layer_element_pt(const unsigned long& i)
    {
      return Lower_layer_element_pt[i];
    }
 
    unsigned long nupper() const
    {
      return Upper_layer_element_pt.size();
    }
 
    unsigned long nlower() const
    {
      return Lower_layer_element_pt.size();
    }
 
    FiniteElement*& interface_upper_boundary_element_pt(const unsigned long& i)
    {
      return Interface_upper_boundary_element_pt[i];
    }
 
    FiniteElement*& interface_lower_boundary_element_pt(const unsigned long& i)
    {
      return Interface_lower_boundary_element_pt[i];
    }
 
    unsigned long ninterface_upper() const
    {
      return Interface_upper_boundary_element_pt.size();
    }
 
    unsigned long ninterface_lower() const
    {
      return Interface_lower_boundary_element_pt.size();
    }
 
    int interface_upper_face_index_at_boundary(const unsigned& e)
    {
      return -2;
    }
 
    int interface_lower_face_index_at_boundary(const unsigned& e)
    {
      return 2;
    }
 
    void spine_node_update(SpineNode* spine_node_pt)
    {
      unsigned id = spine_node_pt->node_update_fct_id();
      switch (id)
      {
        case 0:
          spine_node_update_lower(spine_node_pt);
          break;
 
        case 1:
          spine_node_update_upper(spine_node_pt);
          break;
 
        default:
          std::ostringstream error_message;
          error_message << "Unknown id passed to spine_node_update " << id
                        << std::endl;
          throw OomphLibError(error_message.str(),
                              OOMPH_CURRENT_FUNCTION,
                              OOMPH_EXCEPTION_LOCATION);
      }
    }
 
 
  protected:
    unsigned Ny1;
 
    unsigned Ny2;
 
    double H1;
 
    double H2;
 
    Vector<FiniteElement*> Lower_layer_element_pt;
 
    Vector<FiniteElement*> Upper_layer_element_pt;
 
    Vector<FiniteElement*> Interface_lower_boundary_element_pt;
 
    Vector<FiniteElement*> Interface_upper_boundary_element_pt;
 
 
    double x_spacing_function(unsigned xelement,
                              unsigned xnode,
                              unsigned yelement,
                              unsigned ynode);
 
    double y_spacing_function(unsigned xelement,
                              unsigned xnode,
                              unsigned yelement,
                              unsigned ynode);
 
    void spine_node_update_lower(SpineNode* spine_node_pt)
    {
      // Get fraction along the spine
      double W = spine_node_pt->fraction();
      // Get spine height
      double H = spine_node_pt->h();
      // Set the value of y
      spine_node_pt->x(1) = this->Ymin + W * H;
    }
 
 
    void spine_node_update_upper(SpineNode* spine_node_pt)
    {
      // Get fraction alon the spine
      double W = spine_node_pt->fraction();
 
      // Get spine height
      double H = spine_node_pt->h();
 
      // Set the value of y
      spine_node_pt->x(1) =
        (this->Ymin + H) + W * (this->Ymax - (this->Ymin + H));
    }
 
    virtual void build_two_layer_mesh(TimeStepper* time_stepper_pt);
  };
 
} // namespace oomph
 
#endif