Champ_Fonc_Face_PolyMAC_CDO.cpp

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#include <Champ_Fonc_Face_PolyMAC_CDO.h>
#include <Domaine_PolyMAC_CDO.h>
#include <Champ_Uniforme.h>
#include <TRUSTTab.h>
#include <Domaine.h>
 
Implemente_instanciable(Champ_Fonc_Face_PolyMAC_CDO,"Champ_Fonc_Face_PolyMAC_CDO",Champ_Fonc_base);
 
Sortie& Champ_Fonc_Face_PolyMAC_CDO::printOn(Sortie& os) const { return os << que_suis_je() << " " << le_nom(); }
 
Entree& Champ_Fonc_Face_PolyMAC_CDO::readOn(Entree& is) { return is; }
 
int Champ_Fonc_Face_PolyMAC_CDO::fixer_nb_valeurs_nodales(int n)
{
  // use the same kind of code as in Champ_Fonc_P0_base, but retrieve the number of faces instead of the number of elements
  // note: the code used in Champ_Fonc_P0_base::fixer_nb_valeurs_nodales() to retrieve the discrete domain is somewhat surprising...
  const Champ_Fonc_base& self = ref_cast(Champ_Fonc_base, *this);
  const Domaine_VF& le_dom_vf = ref_cast(Domaine_VF, self.domaine_dis_base());
 
  assert(n == le_dom_vf.nb_faces());
 
  const MD_Vector& md = le_dom_vf.md_vector_faces();
  // Problem: nb_comp equals 2 but we only want one dimension !!!
  // HACK:
  int old_nb_compo = nb_compo_;
  if(nb_compo_ >= dimension) nb_compo_ /= dimension;
 
  creer_tableau_distribue(md);
  nb_compo_ = old_nb_compo;
  return n;
 
}
Champ_base& Champ_Fonc_Face_PolyMAC_CDO::affecter_(const Champ_base& ch)
{
  const DoubleTab& v = ch.valeurs();
  DoubleTab& val = valeurs();
  const Domaine_VF& domaine_PolyMAC_CDO = ref_cast(Domaine_VF, le_dom_VF.valeur());
  int nb_faces = domaine_PolyMAC_CDO.nb_faces();
  const DoubleVect& surface = domaine_PolyMAC_CDO.face_surfaces();
  const DoubleTab& normales = domaine_PolyMAC_CDO.face_normales();
 
  if (sub_type(Champ_Uniforme, ch))
    {
      for (int num_face = 0; num_face < nb_faces; num_face++)
        {
          double vn = 0;
          for (int dir = 0; dir < dimension; dir++)
            vn += v(0, dir) * normales(num_face, dir);
 
          vn /= surface(num_face);
          val(num_face) = vn;
        }
    }
  else if (nb_compo_ == dimension)
    {
      const DoubleTab& xv = domaine_PolyMAC_CDO.xv();
      DoubleTab eval(val.dimension_tot(0), dimension);
      ch.valeur_aux(xv, eval);
      for (int num_face = 0; num_face < nb_faces; num_face++)
        {
          double vn = 0;
          for (int dir = 0; dir < dimension; dir++)
            vn += eval(num_face, dir) * normales(num_face, dir);
 
          vn /= surface(num_face);
          val(num_face) = vn;
        }
    }
  else if (nb_compo_ == 1)
    {
      const DoubleTab& xv = domaine_PolyMAC_CDO.xv();
      ch.valeur_aux(xv, val);
    }
  else
    abort();
  return *this;
}
 
DoubleVect& Champ_Fonc_Face_PolyMAC_CDO::valeur_a_elem(const DoubleVect& position, DoubleVect& result, int poly) const
{
  Cerr << "Champ_Fonc_Face_PolyMAC_CDO::" <<__func__ << " is not coded !" << finl;
  throw;
}
 
double Champ_Fonc_Face_PolyMAC_CDO::valeur_a_elem_compo(const DoubleVect& position, int poly, int ncomp) const
{
  Cerr << "Champ_Fonc_Face_PolyMAC_CDO::" <<__func__ << " is not coded !" << finl;
  throw;
}
 
 
void Champ_Fonc_Face_PolyMAC_CDO::interp_valeurs_elem(const DoubleTab& inco, DoubleTab& val) const
{
  const Domaine_PolyMAC_CDO& domaine = ref_cast(Domaine_PolyMAC_CDO,domaine_vf());
  const DoubleTab& xv = domaine.xv(), &xp = domaine.xp();
  const DoubleVect& fs = domaine.face_surfaces(), &ve = domaine.volumes();
  const IntTab& e_f = domaine.elem_faces(), &f_e = domaine.face_voisins();
  int e, f, j, d, D = dimension, n, N = inco.line_size();
  assert(val.line_size() == N * D);
 
  val = 0;
  for (e = 0; e < val.dimension(0); e++)
    {
      for (n = 0; n < N * D; n++) val(e, n) = 0;
      for (j = 0; j < e_f.dimension(1) && (f = e_f(e, j)) >= 0; j++)
        for (d = 0; d < D; d++)
          for (n = 0; n < N; n++)
            val(e, N * d + n) += fs(f) / ve(e) * (xv(f, d) - xp(e, d)) * (e == f_e(f, 0) ? 1 : -1) * (inco.nb_dim() == 1 ? inco(f) : inco(f, n));
    }
}
 
DoubleTab& Champ_Fonc_Face_PolyMAC_CDO::valeur_aux_elems(const DoubleTab& positions,
                                                         const IntVect& les_polys,
                                                         DoubleTab& val) const
{
  const Champ_base& cha=le_champ();
  const Domaine_PolyMAC_CDO& domaine_VF = ref_cast(Domaine_PolyMAC_CDO, domaine_vf());
  int nb_compo=cha.nb_comp(), N = cha.valeurs().line_size(), D = dimension, nf_tot = domaine_VF.nb_faces_tot();
  assert(val.line_size() == nb_compo );
  // XXX : TODO Check this assert (positions and not val)
  assert((positions.dimension(0) == les_polys.size())||(positions.dimension_tot(0) == les_polys.size()));
  assert((val.dimension(0) == les_polys.size())||(val.dimension_tot(0) == les_polys.size()));
  assert((cha.valeurs().dimension_tot(0)==nf_tot+D*domaine_VF.nb_elem_tot())||(cha.valeurs().dimension_tot(0)==nf_tot));
 
  if (val.nb_dim() > 2) Process::exit(que_suis_je() + "Le DoubleTab val a plus de 2 entrees");
  if (nb_compo == 1) Process::exit("TRUST error in Champ_Fonc_Face_PolyMAC_CDO::valeur_aux_elems : A scalar field cannot be of Champ_Face type !");
 
  DoubleTab ve(0, N * D);
 
  if (cha.valeurs().dimension_tot(0)==nf_tot)
    {
      domaine_VF.domaine().creer_tableau_elements(ve);
      interp_valeurs_elem(cha.valeurs(), ve);
      for (int p = 0; p < les_polys.size(); p++)
        for (int r = 0, e = les_polys(p); e < domaine_VF.nb_elem() && r < N * D; r++)
          val(p, r) = (e==-1) ? 0. : ve(e, r);
    }
  else if (cha.valeurs().dimension_tot(0)==nf_tot+D*domaine_VF.nb_elem_tot())
    for (int p = 0; p < les_polys.size(); p++)
      for (int e = les_polys(p), d = 0; e < domaine_VF.nb_elem() && d < D; d++)
        for (int n = 0; n < N; n++)
          val(p, N * d + n) = cha.valeurs()(nf_tot + D * e + d, n);
  else Process::exit("TRUST error in Champ_Fonc_Face_PolyMAC_CDO::valeur_aux_elems : curious number of faces !");
 
  return val;
}
 
DoubleTab& Champ_Fonc_Face_PolyMAC_CDO::valeur_aux_faces(DoubleTab& val) const
{
  const Champ_base& cha=le_champ();
  int nb_compo=cha.nb_comp(), n, N = cha.valeurs().line_size(), d, D = dimension;
 
  if (nb_compo == 1) Process::exit("TRUST error in Champ_Fonc_Face_PolyMAC_CDO::valeur_aux_faces : A scalar field cannot be of Champ_Face type !");
 
  const Domaine_VF& domaine = domaine_vf();
  val.resize(domaine.nb_faces(), N * D);
 
  for (int f = 0; f < domaine.nb_faces(); f++)
    for (d = 0; d < D; d++)
      for (n = 0; n < N; n++) val(f, N * d + n) = cha.valeurs()(f, n) * domaine.face_normales(f, d) / domaine.face_surfaces(f);
  return val;
}
 
DoubleVect& Champ_Fonc_Face_PolyMAC_CDO::valeur_aux_elems_compo(const DoubleTab& positions, const IntVect& les_polys, DoubleVect& val, int ncomp) const
{
  const Champ_base& cha=le_champ();
  int nb_compo=cha.nb_comp();
  const Domaine_PolyMAC_CDO& domaine_VF = ref_cast(Domaine_PolyMAC_CDO,domaine_vf());
  //  const Domaine& domaine_geom = domaine_VDF.domaine();
  const DoubleTab& normales = domaine_VF.face_normales();
  //  const DoubleVect& surfaces = domaine_VF.face_surfaces();
  const IntTab& elem_faces = domaine_VF.elem_faces();
 
  const DoubleTab& ch = cha.valeurs();
 
  if (nb_compo == 1)
    {
      Cerr<<"Champ_Face_implementation::valeur_aux_elems"<<finl;
      Cerr <<"A scalar field cannot be of Champ_Face type." << finl;
      Process::exit();
    }
  else // (nb_compo != 1)
    {
      ArrOfDouble s(nb_compo);
      for(int rang_poly=0; rang_poly<les_polys.size(); rang_poly++)
        {
          int le_poly=les_polys(rang_poly);
          if (le_poly == -1)
            val(rang_poly) = 0;
          else
            {
              double vale=0;
              s=0;
              int nb_faces_elem_max=elem_faces.dimension(1);
              for (int nf=0; nf<nb_faces_elem_max; nf++)
                {
                  int face=elem_faces(le_poly,nf);
                  if(face<0)
                    break;
                  else
                    {
                      vale += ch(face) * std::fabs(normales(face, ncomp));
                      s[ncomp] += std::fabs(normales(face, ncomp));
                    }
                }
              val(rang_poly)=vale/s[ncomp];
            }
        }
    }
  return val;
}
 
DoubleTab& Champ_Fonc_Face_PolyMAC_CDO::remplir_coord_noeuds(DoubleTab& positions) const
{
  Cerr << "Champ_Fonc_Face_PolyMAC_CDO::" <<__func__ << " is not coded !" << finl;
  throw;
}
 
int Champ_Fonc_Face_PolyMAC_CDO::remplir_coord_noeuds_et_polys(DoubleTab& positions, IntVect& polys) const
{
  Cerr << "Champ_Fonc_Face_PolyMAC_CDO::" <<__func__ << " is not coded !" << finl;
  throw;
}
 
DoubleTab& Champ_Fonc_Face_PolyMAC_CDO::valeur_aux_sommets(const Domaine& domain, DoubleTab& result) const
{
  Cerr << "Champ_Fonc_Face_PolyMAC_CDO::" <<__func__ << " is not coded !" << finl;
  throw;
}
 
DoubleVect& Champ_Fonc_Face_PolyMAC_CDO::valeur_aux_sommets_compo(const Domaine& domain, DoubleVect& result, int ncomp) const
{
  Cerr << "Champ_Fonc_Face_PolyMAC_CDO::" <<__func__ << " is not coded !" << finl;
  throw;
}
 
void Champ_Fonc_Face_PolyMAC_CDO::mettre_a_jour(double un_temps)
{
  return Champ_Fonc_base::mettre_a_jour(un_temps);
}