Iterateur_Source_Face.h

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#ifndef Iterateur_Source_Face_included
#define Iterateur_Source_Face_included
 
#include <Iterateur_Source_base.h>
#include <Dirichlet_homogene.h>
#include <Champ_Uniforme.h>
#include <TRUSTSingle.h>
#include <Milieu_base.h>
#include <Dirichlet.h>
#include <Domaine_VF.h>
 
template <class _TYPE_>
class Iterateur_Source_Face : public Iterateur_Source_base
{
  inline unsigned taille_memoire() const override { throw; }
 
  inline int duplique() const override
  {
    Iterateur_Source_Face* xxx = new  Iterateur_Source_Face(*this);
    if(!xxx) Process::exit("Not enough memory !");
    return xxx->numero();
  }
 
public:
  Iterateur_Source_Face() : nb_faces(-1), premiere_face_interne(-1) { }
  Iterateur_Source_Face(const Iterateur_Source_Face<_TYPE_>& iter) : Iterateur_Source_base(iter),
    evaluateur_source_face(iter.evaluateur_source_face), nb_faces(iter.nb_faces), premiere_face_interne(iter.premiere_face_interne) { }
 
  DoubleTab& ajouter(DoubleTab& ) const override;
 
  void completer_() override
  {
    nb_faces = ref_cast(Domaine_VF,le_dom.valeur()).nb_faces();
    premiere_face_interne = ref_cast(Domaine_VF,le_dom.valeur()).premiere_face_int();
  }
 
  inline Evaluateur_Source& evaluateur() override
  {
    Evaluateur_Source& eval = static_cast<Evaluateur_Source&>(evaluateur_source_face);
    return eval;
  }
 
protected:
  _TYPE_ evaluateur_source_face;
  int nb_faces, premiere_face_interne;
  mutable DoubleTab coef;
 
  template <typename Type_Double> DoubleTab& ajouter_faces_internes(const int, DoubleTab& ) const;
  template <typename Type_Double> DoubleTab& ajouter_faces_bords(const int, DoubleTab& ) const;
  inline const int& faces_doubles(int num_face) const { return ref_cast(Domaine_VF,le_dom.valeur()).faces_doubles()[num_face]; }
};
 
template<class _TYPE_>
DoubleTab& Iterateur_Source_Face<_TYPE_>::ajouter(DoubleTab& resu) const
{
  ((_TYPE_&) (evaluateur_source_face)).mettre_a_jour();
 
  assert(resu.nb_dim() < 3);
  const int ncomp = resu.line_size();
 
  DoubleVect& bilan = so_base->bilan();
  bilan = 0;
  const int nb_faces_tot = ref_cast(Domaine_VF,le_dom.valeur()).nb_faces_tot();
  coef.resize(nb_faces_tot, RESIZE_OPTIONS::NOCOPY_NOINIT);
  coef = 1;
  if (equation_divisee_par_rho())
    {
      const Milieu_base& milieu = la_zcl->equation().milieu();
      const Champ_base& rho = milieu.masse_volumique();
      if (sub_type(Champ_Uniforme, rho))
        coef = rho.valeurs()(0, 0);
      else
        {
          const DoubleTab& val_rho = rho.valeurs();
          const IntTab& face_vois = le_dom->face_voisins();
          const DoubleVect& volumes = ref_cast(Domaine_VF,le_dom.valeur()).volumes();
          coef = 0.;
          for (int fac = 0; fac < nb_faces_tot; fac++)
            {
              const int elem1 = face_vois(fac, 0), elem2 = face_vois(fac, 1);
              double vol = 0.;
              if (elem1 != -1)
                {
                  coef(fac) += val_rho(elem1) * volumes(elem1);
                  vol += volumes(elem1);
                }
              if (elem2 != -1)
                {
                  coef(fac) += val_rho(elem2) * volumes(elem2);
                  vol += volumes(elem2);
                }
              coef(fac) /= vol;
            }
        }
    }
 
  if (ncomp == 1)
    {
      ajouter_faces_bords<SingleDouble>(ncomp, resu);
      ajouter_faces_internes<SingleDouble>(ncomp, resu);
    }
  else
    {
      ajouter_faces_bords<ArrOfDouble>(ncomp, resu);
      ajouter_faces_internes<ArrOfDouble>(ncomp, resu);
    }
  return resu;
}
 
template<class _TYPE_> template<typename Type_Double>
DoubleTab& Iterateur_Source_Face<_TYPE_>::ajouter_faces_bords(const int ncomp, DoubleTab& resu) const
{
  Type_Double source(ncomp);
  DoubleVect& bilan = so_base->bilan();
  for (int num_cl = 0; num_cl < le_dom->nb_front_Cl(); num_cl++)
    {
      const Cond_lim& la_cl = la_zcl->les_conditions_limites(num_cl);
      const Front_VF& le_bord = ref_cast(Front_VF, la_cl->frontiere_dis());
      const int ndeb = le_bord.num_premiere_face(), nfin = ndeb + le_bord.nb_faces();
      if ((sub_type(Dirichlet, la_cl.valeur())) || (sub_type(Dirichlet_homogene, la_cl.valeur()))) { /* Do nothing */ }
      else
        for (int num_face = ndeb; num_face < nfin; num_face++)
          {
            evaluateur_source_face.calculer_terme_source_bord(num_face, source);
            for (int k = 0; k < ncomp; k++)
              {
                resu(num_face, k) += source[k];
                double contribution = (faces_doubles(num_face) == 1) ? 0.5 : 1;
                bilan(k) += contribution * coef(num_face) * source[k];
              }
          }
    }
  return resu;
}
 
template<class _TYPE_> template<typename Type_Double>
DoubleTab& Iterateur_Source_Face<_TYPE_>::ajouter_faces_internes(const int ncomp, DoubleTab& resu) const
{
  Type_Double source(ncomp);
  DoubleVect& bilan = so_base->bilan();
  for (int num_face = premiere_face_interne; num_face < nb_faces; num_face++)
    {
      evaluateur_source_face.calculer_terme_source(num_face, source);
      for (int k = 0; k < ncomp; k++)
        {
          resu(num_face, k) += source[k];
          double contribution = (faces_doubles(num_face) == 1) ? 0.5 : 1;
          bilan(k) += contribution * coef(num_face) * source[k];
        }
    }
  return resu;
}
 
#endif /* Iterateur_Source_Face_included */