refineable_unsteady_heat_elements.h

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//LIC// ====================================================================
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//LIC// Copyright (C) 2006-2016 Matthias Heil and Andrew Hazel
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//Header file for refineable unsteady heat elements

#ifndef OOMPH_REFINEABLE_UNSTEADY_HEAT_ELEMENTS_HEADER
#define OOMPH_REFINEABLE_UNSTEADY_HEAT_ELEMENTS_HEADER

// Config header generated by autoconfig
#ifdef HAVE_CONFIG_H
  #include <oomph-lib-config.h>
#endif


//oomph-lib headers
#include "../generic/refineable_quad_element.h"
#include "../generic/refineable_brick_element.h"
#include "../generic/error_estimator.h"
#include "unsteady_heat_elements.h"


namespace oomph
{

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



//======================================================================
/// Refineable version of Unsteady HEat equations
///
///
//======================================================================
template <unsigned DIM>
class RefineableUnsteadyHeatEquations : 
public virtual UnsteadyHeatEquations<DIM>,
                                   public virtual RefineableElement,
                                   public virtual ElementWithZ2ErrorEstimator
{
  public:

 /// \short Constructor
 RefineableUnsteadyHeatEquations() : 
  UnsteadyHeatEquations<DIM>(),
  RefineableElement(),
  ElementWithZ2ErrorEstimator()
  {} 


 /// Broken copy constructor
 RefineableUnsteadyHeatEquations(
  const RefineableUnsteadyHeatEquations<DIM>& dummy) 
  { 
   BrokenCopy::broken_copy("RefineableUnsteadyHeatEquations");
  } 
 
 /// Broken assignment operator
//Commented out broken assignment operator because this can lead to a conflict warning
//when used in the virtual inheritence hierarchy. Essentially the compiler doesn't
//realise that two separate implementations of the broken function are the same and so,
//quite rightly, it shouts.
 /*void operator=(const RefineableUnsteadyHeatEquations<DIM>&) 
  {
   BrokenCopy::broken_assign("RefineableUnsteadyHeatEquations");
   }*/
 
 /// Number of 'flux' terms for Z2 error estimation 
 unsigned num_Z2_flux_terms() {return DIM;}

 /// \short Get 'flux' for Z2 error recovery:  
 /// Standard flux.from UnsteadyHeat equations
 void get_Z2_flux(const Vector<double>& s, Vector<double>& flux)
  {this->get_flux(s,flux);}

/// \short Get the function value u in Vector.
/// Note: Given the generality of the interface (this function
/// is usually called from black-box documentation or interpolation routines),
/// the values Vector sets its own size in here.
void get_interpolated_values(const Vector<double>&s,  Vector<double>& values)
 {
  // Set size of Vector: u
  values.resize(1);
  
  //Find number of nodes
  unsigned n_node = nnode();
  
  //Find the nodal index at which the unknown is stored
  unsigned u_nodal_index = this->u_index_ust_heat();

  //Local shape function
  Shape psi(n_node);
  
  //Find values of shape function
  shape(s,psi);
  
  //Initialise value of u
  values[0] = 0.0;
  
  //Loop over the local nodes and sum
  for(unsigned l=0;l<n_node;l++)
   {
    values[0] += this->nodal_value(l,u_nodal_index)*psi[l];
   }
 }


 /// \short Get the function value u in Vector.
 /// Note: Given the generality of the interface (this function
 /// is usually called from black-box documentation or interpolation routines),
 /// the values Vector sets its own size in here.
 void get_interpolated_values(const unsigned& t, const Vector<double>&s, 
                              Vector<double>& values)
  {
 // Set size of Vector:
   values.resize(1);
   
   // Initialise
   values[0]=0.0;
   
   //Find out how many nodes there are
   unsigned n_node = nnode();

   //Find the nodal index at which the unknown is stored
   unsigned u_nodal_index = this->u_index_ust_heat();
   
   // Shape functions
   Shape psi(n_node);
   shape(s,psi);
   
   //Calculate value
   for(unsigned l=0;l<n_node;l++) 
    {
     values[0] += this->nodal_value(t,l,u_nodal_index)*psi[l]; 
    }
  }

 
 ///  Further build: Copy source function pointer from father element
 void further_build()
  {
   //Get pointer to the father 
   RefineableUnsteadyHeatEquations<DIM>* cast_father_element_pt =
    dynamic_cast<RefineableUnsteadyHeatEquations<DIM>*>(
     this->father_element_pt());

   //Set the source function from the parent
   this->Source_fct_pt= cast_father_element_pt->source_fct_pt();

   //Set the ALE status from the father
   this->ALE_is_disabled = cast_father_element_pt->ALE_is_disabled;

  }


  private:


/// \short Add element's contribution to elemental residual vector and/or 
/// Jacobian matrix 
/// flag=1: compute both
/// flag=0: compute only residual vector
void fill_in_generic_residual_contribution_ust_heat(
 Vector<double> &residuals, DenseMatrix<double> &jacobian, 
 unsigned flag); 
};


//======================================================================
/// Refineable version of 2D QUnsteadyHeatElement elements
///
///
//======================================================================
template <unsigned DIM, unsigned NNODE_1D>
class RefineableQUnsteadyHeatElement : 
public QUnsteadyHeatElement<DIM,NNODE_1D>,
           public virtual RefineableUnsteadyHeatEquations<DIM>,
           public virtual RefineableQElement<DIM>
{
  public:

 /// \short Constructor
  RefineableQUnsteadyHeatElement() : 
   RefineableElement(),
   RefineableUnsteadyHeatEquations<DIM>(),
   RefineableQElement<DIM>(),
   QUnsteadyHeatElement<DIM,NNODE_1D>()
   {} 


 /// Broken copy constructor
 RefineableQUnsteadyHeatElement(const 
                                RefineableQUnsteadyHeatElement<DIM,NNODE_1D>& 
                                dummy) 
  { 
   BrokenCopy::broken_copy("RefineableQuadUnsteadyHeatElement");
  } 
 
 /// Broken assignment operator
 /*void operator=(const RefineableQUnsteadyHeatElement<DIM,NNODE_1D>&) 
  {
   BrokenCopy::broken_assign("RefineableQuadUnsteadyHeatElement");
   }*/
 
 /// Number of continuously interpolated values: 1
 unsigned ncont_interpolated_values() const {return 1;}

 /// \short Number of vertex nodes in the element
 unsigned nvertex_node() const
  {return QUnsteadyHeatElement<DIM,NNODE_1D>::nvertex_node();}

 /// \short Pointer to the j-th vertex node in the element
 Node* vertex_node_pt(const unsigned& j) const
  {return QUnsteadyHeatElement<DIM,NNODE_1D>::vertex_node_pt(j);}

 /// Rebuild from sons: empty
 void rebuild_from_sons(Mesh* &mesh_pt) {}

 /// \short Order of recovery shape functions for Z2 error estimation:
 /// Same order as shape functions.
 unsigned nrecovery_order() {return (NNODE_1D-1);}

 ///  \short Perform additional hanging node procedures for variables
 /// that are not interpolated by all nodes. Empty.
 void further_setup_hanging_nodes(){}

};
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////



//=======================================================================
/// Face geometry for the RefineableQuadUnsteadyHeatElement elements: 
/// The spatial 
/// dimension of the face elements is one lower than that of the
/// bulk element but they have the same number of points
/// along their 1D edges.
//=======================================================================
template<unsigned DIM, unsigned NNODE_1D>
class FaceGeometry<RefineableQUnsteadyHeatElement<DIM,NNODE_1D> >: 
 public virtual QElement<DIM-1,NNODE_1D>
{

  public:
 
 /// \short Constructor: Call the constructor for the
 /// appropriate lower-dimensional QElement
 FaceGeometry() : QElement<DIM-1,NNODE_1D>() {}

};

}

#endif