Champ_Q4_implementation.cpp

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#include <Champ_Q4_implementation.h>
#include <Champ_base.h>
#include <Domaine.h>
 
DoubleVect& Champ_Q4_implementation::valeur_a_elem(const DoubleVect& position, DoubleVect& val, int num_elem) const
{
  val = 0.;
  const Champ_base& cha = le_champ();
  const DoubleTab& ch = cha.valeurs();
  int nb_compo_ = cha.nb_comp();
 
  int j, ncomp, num_som, nb_som_elem = get_domaine_geom().nb_som_elem();
  if (nb_compo_ == 1)
    {
      for (j = 0; j < nb_som_elem; j++)
        {
          num_som = get_domaine_geom().sommet_elem(num_elem, j);
          val(0) += ch(num_som);
        }
      val(0) /= nb_som_elem;
    }
  else
    {
      for (ncomp = 0; ncomp < nb_compo_; ncomp++)
        {
          for (j = 0; j < nb_som_elem; j++)
            {
              num_som = get_domaine_geom().sommet_elem(num_elem, j);
              val(ncomp) += ch(num_som, ncomp);
            }
          val(ncomp) /= nb_som_elem;
        }
    }
 
  return val;
}
double Champ_Q4_implementation::valeur_a_elem_compo(const DoubleVect& position, int num_elem, int ncomp) const
{
  double val = 0.;
  const Champ_base& cha = le_champ();
  const DoubleTab& ch = cha.valeurs();
  int nb_compo_ = cha.nb_comp();
 
  int j, num_som, nb_som_elem = get_domaine_geom().nb_som_elem();
  if (nb_compo_ == 1)
    {
      assert(ncomp == 0);
      for (j = 0; j < nb_som_elem; j++)
        {
          num_som = get_domaine_geom().sommet_elem(num_elem, j);
          val += ch(num_som);
        }
      val /= nb_som_elem;
    }
  else
    {
      for (j = 0; j < nb_som_elem; j++)
        {
          num_som = get_domaine_geom().sommet_elem(num_elem, j);
          val += ch(num_som, ncomp);
        }
      val /= nb_som_elem;
    }
 
  return val;
}
 
DoubleTab& Champ_Q4_implementation::valeur_aux_elems(const DoubleTab&, const IntVect& les_elems, DoubleTab& val) const
{
  val = 0.;
  const Champ_base& cha = le_champ();
  const DoubleTab& ch = cha.valeurs();
  int nb_compo_ = cha.nb_comp();
 
  int j, ncomp, num_som, nb_som_elem = get_domaine_geom().nb_som_elem(), ielem, num_elem, nb_elems = les_elems.size();
  assert(val.size_totale() >= nb_elems);
  if (nb_compo_ == 1)
    {
      for (ielem = 0; ielem < nb_elems; ielem++)
        {
          num_elem = les_elems(ielem);
          for (j = 0; j < nb_som_elem; j++)
            {
              num_som = get_domaine_geom().sommet_elem(num_elem, j);
              val(ielem, 0) += ch(num_som);
            }
          val(ielem, 0) /= nb_som_elem;
        }
    }
  else
    {
      for (ielem = 0; ielem < nb_elems; ielem++)
        {
          num_elem = les_elems(ielem);
          for (ncomp = 0; ncomp < nb_compo_; ncomp++)
            {
              for (j = 0; j < nb_som_elem; j++)
                {
                  num_som = get_domaine_geom().sommet_elem(num_elem, j);
                  val(ielem, ncomp) += ch(num_som, ncomp);
                }
              val(ielem, ncomp) /= nb_som_elem;
            }
        }
    }
 
  return val;
}
 
DoubleVect& Champ_Q4_implementation::valeur_aux_elems_compo(const DoubleTab&, const IntVect& les_elems, DoubleVect& val, int ncomp) const
{
  val = 0.;
  const Champ_base& cha = le_champ();
  const DoubleTab& ch = cha.valeurs();
  int nb_compo_ = cha.nb_comp();
 
  int j, num_som, nb_som_elem = get_domaine_geom().nb_som_elem(), ielem, num_elem, nb_elems = les_elems.size();
  assert(val.size_totale() >= nb_elems);
  if (nb_compo_ == 1)
    {
      assert(ncomp == 0);
      for (ielem = 0; ielem < nb_elems; ielem++)
        {
          num_elem = les_elems(ielem);
          for (j = 0; j < nb_som_elem; j++)
            {
              num_som = get_domaine_geom().sommet_elem(num_elem, j);
              val(ielem) += ch(num_som);
            }
          val(ielem) /= nb_som_elem;
        }
    }
  else
    {
      for (ielem = 0; ielem < nb_elems; ielem++)
        {
          num_elem = les_elems(ielem);
          for (j = 0; j < nb_som_elem; j++)
            {
              num_som = get_domaine_geom().sommet_elem(num_elem, j);
              val(ielem) += ch(num_som, ncomp);
            }
          val(ielem) /= nb_som_elem;
        }
    }
 
  return val;
}
 
DoubleTab& Champ_Q4_implementation::valeur_aux_sommets(const Domaine& dom, DoubleTab& val) const
{
  const Champ_base& cha = le_champ();
  const DoubleTab& ch = cha.valeurs();
  //val = cha.valeurs();
  int nb_compo_ = cha.nb_comp();
 
  if (nb_compo_ == 1)
    {
      int isom, nbsom = ch.size();
      for (isom = 0; isom < nbsom; isom++)
        {
          val(isom, 0) = ch(isom);
        }
    }
  else
    {
      int isom, nbsom = ch.size();
      for (int ncomp = 0; ncomp < nb_compo_; ncomp++)
        {
          for (isom = 0; isom < nbsom; isom++)
            {
              val(isom, ncomp) = ch(isom, ncomp);
            }
        }
    }
  return val;
}
DoubleVect& Champ_Q4_implementation::valeur_aux_sommets_compo(const Domaine& dom, DoubleVect& val, int ncomp) const
{
  const Champ_base& cha = le_champ();
  const DoubleTab& ch = cha.valeurs();
  int nb_compo_ = cha.nb_comp();
 
  if (nb_compo_ == 1)
    {
      assert(ncomp == 0);
      int isom, nbsom = ch.size();
      for (isom = 0; isom < nbsom; isom++)
        {
          val(isom) = ch(isom);
        }
    }
  else
    {
      int isom, nbsom = ch.size();
      for (isom = 0; isom < nbsom; isom++)
        {
          val(isom) = ch(isom, ncomp);
        }
    }
  return val;
}
 
DoubleTab& Champ_Q4_implementation::remplir_coord_noeuds(DoubleTab& positions) const
{
  const DoubleTab& coordsom = get_domaine_geom().coord_sommets();
  positions = coordsom;
  return positions;
}
 
int Champ_Q4_implementation::remplir_coord_noeuds_et_polys(DoubleTab& positions, IntVect& polys) const
{
  Cerr << "Champ_Q4_implementation::remplir_coord_noeuds_et_polys not implemented" << finl;
  assert(0);
 
  int nb_elem = get_domaine_geom().nb_elem();
  polys.resize(nb_elem);
  for (int i = 0; i < nb_elem; i++)
    polys(i) = i;
  return 1;
}
 
int Champ_Q4_implementation::imprime_Q4(Sortie& os, int ncomp) const
{
  const Champ_base& cha = le_champ();
  int nb_compo_ = cha.nb_comp();
  const Domaine& le_dom = get_domaine_geom();
  int nb_som_tot = le_dom.nb_som_tot();
  const DoubleTab& val = cha.valeurs();
  int som;
  // On recalcule les centres de gravite :
  const DoubleTab pos_som = le_dom.coord_sommets();
  os << nb_som_tot << finl;
  for (som = 0; som < nb_som_tot; som++)
    {
      if (Objet_U::dimension == 3)
        os << pos_som(som, 0) << " " << pos_som(som, 1) << " " << pos_som(som, 2) << " ";
      if (Objet_U::dimension == 2)
        os << pos_som(som, 0) << " " << pos_som(som, 1) << " ";
      if (nb_compo_ == 1)
        os << val(som) << finl;
      else
        os << val(som, ncomp) << finl;
    }
  os << finl;
  Cout << "Champ_Q4_implementation::imprime_Q4 END >>>>>>>>>> " << finl;
  return 1;
}