Domaine_EF_axi.cpp

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#include <Domaine_EF_axi.h>
#include <DomaineAxi1d.h>
#include <Domaine_Cl_dis_base.h>
#include <Equation_base.h>
#include <Milieu_base.h>
 
Implemente_instanciable( Domaine_EF_axi, "Domaine_EF_axi", Domaine_EF ) ;
 
Sortie& Domaine_EF_axi::printOn( Sortie& os ) const
{
  Domaine_EF::printOn( os );
  return os;
}
 
Entree& Domaine_EF_axi::readOn( Entree& is )
{
  Domaine_EF::readOn( is );
  return is;
}
 
void Domaine_EF_axi::calculer_Bij_gen(DoubleTab& bij)
{
  const IntTab& les_elems=domaine().les_elems() ;
  int nbsom_face=nb_som_face();
  int nbelem=nb_elem_tot();
  int nbsom_elem=domaine().nb_som_elem();
  const IntTab& elemfaces=elem_faces_;
  int nbface_elem=domaine().nb_faces_elem();
 
  const DoubleTab& les_coords = domaine_axi().coord_sommets();
 
  const DoubleVect& surf = face_surfaces();
 
  for (int elem=0; elem<nbelem; elem++)
    {
      double x0 = origine_repere_(elem,0);
      double y0 = origine_repere_(elem,1);
 
      for (int i=0; i<nbsom_elem; i++)
        {
          // on cherche les faces contribuantes ,ce n'est pas optimal
          for (int f=0; f<nbface_elem; f++)
            {
              int face=elemfaces(elem,f);
              for (int s=0; s<nbsom_face; s++)
                {
                  // on cherche les faces contribuantes ,ce n'est pas optimal
                  if (face_sommets_(face,s)==les_elems(elem,i))
                    {
                      double x1 = les_coords(les_elems(elem,0),0);
                      double x2 = les_coords(les_elems(elem,1),0);
                      double y1 = les_coords(les_elems(elem,0),1);
                      double y2 = les_coords(les_elems(elem,1),1);
 
                      double r1 = sqrt((x1-x0)*(x1-x0)+(y1-y0)*(y1-y0));
                      double r2 = sqrt((x2-x0)*(x2-x0)+(y2-y0)*(y2-y0));
 
                      for (int j=0; j<dimension; j++)
                        {
                          if (surf(face)>0)
                            bij(elem,i,j)+=face_normales(face,j)*oriente_normale(face,elem)*(r1+r2)*M_PI/surf(face);
                          else
                            bij(elem,i,j)+=face_normales(face,j)*oriente_normale(face,elem)*(r1+r2)*M_PI;
                        }
                    }
                }
            }
        }
    }
}
 
void Domaine_EF_axi::calculer_IPhi(const Domaine_Cl_dis_base& zcl)
{
  int nbelem=domaine().nb_elem();
  int nb_som_elem=domaine().nb_som_elem();
  assert(nb_som_elem==2);
 
  IPhi_.resize(nbelem,nb_som_elem);
  domaine_axi().creer_tableau_elements(IPhi_);
  //  Scatter::creer_tableau_distribue(domaine().domaine(), JOINT_ITEM::ELEMENT, IPhi_);
  IPhi_thilde_=IPhi_;
 
  const IntTab& les_elems=domaine().les_elems() ;
 
  const DoubleTab& les_coords = domaine_axi().coord_sommets();
 
  for (int elem=0; elem<nbelem; elem++)
    {
      double x1 = les_coords(les_elems(elem,0),0);
      double x2 = les_coords(les_elems(elem,1),0);
      double y1 = les_coords(les_elems(elem,0),1);
      double y2 = les_coords(les_elems(elem,1),1);
 
      double x0 = origine_repere_(elem,0);
      double y0 = origine_repere_(elem,1);
 
      double r1 = sqrt((x1-x0)*(x1-x0)+(y1-y0)*(y1-y0));
      double r2 = sqrt((x2-x0)*(x2-x0)+(y2-y0)*(y2-y0));
      IPhi_(elem,0) = (M_PI/3.)*(r2*r2+r1*r2-2.*r1*r1);
      IPhi_(elem,1) = (M_PI/3.)*(2.*r2*r2-r1*r2-r1*r1);
 
      for (int s=0; s<nb_som_elem; s++)
        IPhi_thilde_(elem,s)=IPhi_(elem,s)*zcl.equation().milieu().porosite_elem(elem);
    }
 
  IPhi_.echange_espace_virtuel();
  IPhi_thilde_.echange_espace_virtuel();
}
 
void Domaine_EF_axi::remplir_tableau_origine()
{
  DomaineAxi1d& domax = domaine_axi();
 
  origine_repere_.resize(0,Objet_U::dimension-1);
  domax.creer_tableau_elements(origine_repere_);
 
  if (domax.has_champ_origine())
    {
      const Champ_base& orig = domax.champ_origine();
      DoubleTab positions;
      domax.calculer_centres_gravite(positions);
      orig.valeur_aux(positions, origine_repere_);
    }
  else
    {
      origine_repere_=0.;
      Process::exit("Error, origine should be explicitly defined with ModifyDomaineAxi1D keyword.");
    }
  domax.associer_origine_repere(origine_repere_);
}
 
void Domaine_EF_axi::verifie_compatibilite_domaine()
{
  if (!domaine().axi1d())
    {
      Cerr << "*****************************************************************************" << finl;
      Cerr << " Error in " << que_suis_je() << " : the type of domain " << domaine().que_suis_je();
      Cerr << " is not compatible" << finl;
      Cerr << " with the discretisation EF_axi. " << finl;
      Cerr << " Please use the discretization EF or define a domain of type DomaineAxi1d." << finl;
      Cerr << "*****************************************************************************" << finl;
      Process::exit();
    }
}
 
void Domaine_EF_axi::discretiser()
{
 
  verifie_compatibilite_domaine();
  typer_elem(domaine());
  remplir_tableau_origine();
  Domaine_EF::discretiser();
}
 
const DomaineAxi1d& Domaine_EF_axi::domaine_axi() const
{
  return ref_cast(DomaineAxi1d,domaine());
}
 
DomaineAxi1d& Domaine_EF_axi::domaine_axi()
{
  return ref_cast(DomaineAxi1d,domaine());
}