tube_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 
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//LIC// 
//LIC//    Version 1.0; svn revision $LastChangedRevision$
//LIC//
//LIC// $LastChangedDate$
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//LIC// Copyright (C) 2006-2016 Matthias Heil and Andrew Hazel
//LIC// 
//LIC// This library is free software; you can redistribute it and/or
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//LIC// version 2.1 of the License, or (at your option) any later version.
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//LIC// Lesser General Public License for more details.
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//LIC//====================================================================
#ifndef OOMPH_TUBE_MESH_HEADER
#define OOMPH_TUBE_MESH_HEADER

// Headers
#include "../generic/refineable_brick_mesh.h"
#include "../generic/macro_element.h"
#include "../generic/domain.h"
#include "../generic/algebraic_elements.h"
#include "../generic/brick_mesh.h"
#include "../generic/macro_element_node_update_element.h"


//Include the headers file for domain
#include "tube_domain.h"

namespace oomph
{


//====================================================================
/// \short 3D tube mesh class.
/// The domain is specified by the GeomObject that identifies 
/// the entire volume. Non-refineable base version!
/// 
/// The mesh boundaries are numbered as follows:
/// - Boundary 0: "Inflow" cross section; located along the 
///               line parametrised by \f$ \xi_0 =  \xi_0^{lo} \f$.
/// - Boundary 1: The outer wall, represetned by \f$\xi_2 = 1\f$.
/// - Boundary 2: The out flow, represented by \f$\xi_0 = \xi_0^{hi}\f$.
///
//====================================================================
template <class ELEMENT>
class TubeMesh : public virtual BrickMeshBase
{

public:

 /// \short Constructor: Pass pointer to geometric object that
 /// specifies the volume, start and end coordinates for the centreline
 /// on the geometric object. Values of theta at which dividing lines
 /// are to be placed, fractions of the radius for the central box
 /// at the dividing lines, the number of layers
 /// and the timestepper.
 /// Timestepper defaults to Steady dummy timestepper.
  TubeMesh(GeomObject* wall_pt,
           const Vector<double> &centreline_limits,
           const Vector<double> &theta_positions,  
           const Vector<double> &radius_box, 
           const unsigned& nlayer,
           TimeStepper* time_stepper_pt=
           &Mesh::Default_TimeStepper);

 /// \short Destructor: empty
 virtual ~TubeMesh()
  {
   delete Domain_pt;
  }

 /// Access function to GeomObject representing wall
 GeomObject*& volume_pt(){return Volume_pt;}

 /// Access function to domain
 TubeDomain* domain_pt(){return Domain_pt;}

 /// Access function to underlying domain
 TubeDomain* domain_pt() const {return Domain_pt;}

protected:

 /// Pointer to domain
 TubeDomain* Domain_pt;

 /// Pointer to the geometric object that represents the curved wall
 GeomObject* Volume_pt;

};




////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////





//=============================================================
/// Adaptative version of the TubeMesh base mesh.
/// The domain is specified by the GeomObject that identifies 
/// the entire volume
/// 
/// The mesh boundaries are numbered as follows:
/// - Boundary 0: "Inflow" cross section; located along the 
///               line parametrised by \f$ \xi_0 =  \xi_0^{lo} \f$.
/// - Boundary 1: The outer wall, represetned by \f$\xi_2 = 1\f$.
/// - Boundary 2: The out flow, represented by \f$\xi_0 = \xi_0^{hi}\f$.
///
//=============================================================
template<class ELEMENT> 
class RefineableTubeMesh : public TubeMesh<ELEMENT>,
  public RefineableBrickMesh<ELEMENT>
  
{

public :

/// \short Constructor for adaptive deformable quarter tube mesh class. 
/// Pass pointer to geometric object that
/// specifies the volume, start and end coordinates for the centreline
/// on the geometric object. Values of theta at which dividing lines
/// are to be placed, fractions of the radius for the central box
/// at the dividing lines, the number of layers
/// and the timestepper.
/// Timestepper defaults to Steady dummy timestepper.
 RefineableTubeMesh(GeomObject* wall_pt,
                    const Vector<double> &centreline_limits,
                    const Vector<double> &theta_positions,  
                    const Vector<double> &radius_box, 
                    const unsigned& nlayer,
                    TimeStepper* time_stepper_pt=
                    &Mesh::Default_TimeStepper):
 TubeMesh<ELEMENT>(wall_pt,centreline_limits,theta_positions,
                   radius_box,
                   nlayer,time_stepper_pt)
 {
  // Loop over all elements and set macro element pointer
  for (unsigned ielem=0;ielem<TubeMesh<ELEMENT>::nelement();ielem++)
    {
     dynamic_cast<RefineableQElement<3>*>(
      TubeMesh<ELEMENT>::element_pt(ielem))->
      set_macro_elem_pt(this->Domain_pt->macro_element_pt(ielem));
    }
   

   // Setup Octree forest: Turn elements into individual octrees 
   // and plant in forest
   Vector<TreeRoot*> trees_pt;
   for (unsigned iel=0;iel<TubeMesh<ELEMENT>::nelement();iel++)
    {
     FiniteElement* el_pt=TubeMesh<ELEMENT>::finite_element_pt(iel);
     ELEMENT* ref_el_pt=dynamic_cast<ELEMENT*>(el_pt);
     OcTreeRoot* octree_root_pt=new OcTreeRoot(ref_el_pt);
     trees_pt.push_back(octree_root_pt);
    }
   this->Forest_pt = new OcTreeForest(trees_pt);

#ifdef PARANOID
   // Run self test
   unsigned success_flag=
    dynamic_cast<OcTreeForest*>(this->Forest_pt)->self_test();
   if (success_flag==0)
    {
     oomph_info << "Successfully built octree forest " << std::endl;
    }
   else
    {
     throw OomphLibError(
      "Trouble in building octree forest ",
      OOMPH_CURRENT_FUNCTION,
      OOMPH_EXCEPTION_LOCATION);
    }
#endif
   
  }
 
 /// \short Destructor: empty
 virtual ~RefineableTubeMesh(){}
 
}; 

}
#endif