EDO_Pression_th_VEF.cpp

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#include <Loi_Etat_Multi_GP_WC.h>
#include <Loi_Etat_Multi_GP_QC.h>
#include <EDO_Pression_th_VEF.h>
#include <Domaine_VEF.h>
#include <Periodique.h>
#include <Champ_P1NC.h>
 
Implemente_base(EDO_Pression_th_VEF, "EDO_Pression_th_VEF", EDO_Pression_th_base);
 
Sortie& EDO_Pression_th_VEF::printOn(Sortie& os) const { return EDO_Pression_th_base::printOn(os); }
 
Entree& EDO_Pression_th_VEF::readOn(Entree& is) { return EDO_Pression_th_base::readOn(is); }
 
void EDO_Pression_th_VEF::completer()
{
  if (!ref_cast(Domaine_VEF,le_dom.valeur()).get_alphaE())
    {
      Cerr << "The quasi-compressible model does not yet work with this discretization." << finl;
      Cerr << "In VEF, the discretization must have P0 support. Use P1Bulle or P0P1." << finl;
      Process::exit();
    }
 
  EDO_Pression_th_base::completer();
}
 
void EDO_Pression_th_VEF::calculer_grad(const DoubleTab& inco, DoubleTab& grad)
{
  assert(0);
  const Domaine_VEF& dom = ref_cast(Domaine_VEF, le_dom.valeur());
  const IntTab& face_voisins = dom.face_voisins();
  const DoubleTab& face_normales = dom.face_normales();
  const DoubleVect& volumes_entrelaces = dom.volumes_entrelaces();
  const DoubleVect& volumes_entrelaces_Cl = ref_cast(Domaine_Cl_VEF,le_dom_Cl.valeur()).volumes_entrelaces_Cl();
 
  double diff;
  int face, comp1;
 
  // Gradient of a scalar field located at element centers
  // Initialize grad to zero
  grad = 0;
  if (1 == 1)
    {
      int elem1, elem2;
      // Process joint faces:
      for (face = 0; face < dom.nb_faces_joint(); face++)
        {
          elem1 = face_voisins(face, 0);
          if (elem1 == -1)
            elem1 = face_voisins(face, 1);
          diff = -inco[elem1];
          for (comp1 = 0; comp1 < dimension; comp1++)
            grad(face, comp1) = diff * face_normales(face, comp1);
        }
 
      // Process boundary conditions
      // Only the Periodique boundary condition type modifies the gradient
      for (int n_bord = 0; n_bord < dom.nb_front_Cl(); n_bord++)
        {
          const Cond_lim& la_cl = le_dom_Cl->les_conditions_limites(n_bord);
          if (sub_type(Periodique, la_cl.valeur()))
            {
              //      const Periodique& la_cl_perio = (Periodique&) la_cl.valeur();
              const Front_VF& le_bord = ref_cast(Front_VF, la_cl->frontiere_dis());
              int num1 = le_bord.num_premiere_face();
              int num2 = num1 + le_bord.nb_faces();
              for (face = num1; face < num2; face++)
                {
                  elem1 = face_voisins(face, 0);
                  elem2 = face_voisins(face, 1);
                  diff = inco[elem2] - inco[elem1];
                  for (int comp2 = 0; comp2 < dimension; comp2++)
                    grad(face, comp2) = diff * face_normales(face, comp2);
                }
            }
        }
 
      // Process internal faces
      //    Cerr << "Internal faces." << finl;
      for (face = dom.premiere_face_int(); face < dom.nb_faces(); face++)
        {
          elem1 = face_voisins(face, 0);
          elem2 = face_voisins(face, 1);
          diff = inco[elem2] - inco[elem1];
          for (int comp = 0; comp < dimension; comp++)
            grad(face, comp) = diff * face_normales(face, comp);
        }
      // Divide by the volume!!!
      int premiere_fac_std = dom.premiere_face_std();
      for (face = 0; face < premiere_fac_std; face++)
        {
          if (volumes_entrelaces_Cl(face) != 0)
            for (int comp = 0; comp < dimension; comp++)
              grad(face, comp) /= volumes_entrelaces_Cl(face);
          else
            for (int comp = 0; comp < dimension; comp++)
              grad(face, comp) = 0.;
        }
      for (face = premiere_fac_std; face < dom.nb_faces(); face++)
        {
          for (int comp = 0; comp < dimension; comp++)
            grad(face, comp) /= volumes_entrelaces(face);
        }
    }
  else
    {
      if (Objet_U::dimension == 2)
        {
          int elem, nb_som = dom.domaine().nb_som();
          int som, nsom, nse = dom.domaine().nb_som_elem();
          const IntTab& som_elem = dom.domaine().les_elems();
          int s0, s1, elem0, elem1;
          const IntTab& face_sommets = dom.face_sommets();
          const DoubleTab& coord_sommets = dom.domaine().coord_sommets();
          const DoubleTab& xp = dom.xp();
          //    const DoubleTab& xv = dom.xv();
          DoubleTab incosom(nb_som);
          DoubleTab volsom(nb_som);
          incosom = 0;
          volsom = 0;
          double v, inc;
          // compute P at vertices
          for (elem = 0; elem < dom.nb_elem(); elem++)
            {
              v = dom.volumes(elem);
              inc = inco[elem];
              for (som = 0; som < nse; som++)
                {
                  nsom = som_elem(elem, som);
                  incosom(nsom) += v * inc;
                  volsom(nsom) += v;
                }
            }
          for (nsom = 0; nsom < nb_som; nsom++)
            {
              incosom(nsom) /= volsom(nsom);
            }
          double xs0, ys0, xs1, ys1, xe0, ye0, xe1, ye1, ds, de;
          // boundary faces
          for (int n_bord = 0; n_bord < dom.nb_front_Cl(); n_bord++)
            {
              const Cond_lim& la_cl = le_dom_Cl->les_conditions_limites(n_bord);
 
              const Front_VF& le_bord = ref_cast(Front_VF, la_cl->frontiere_dis());
              int num1 = le_bord.num_premiere_face();
              int num2 = num1 + le_bord.nb_faces();
              for (face = num1; face < num2; face++)
                {
                  s0 = face_sommets(face, 0);
                  s1 = face_sommets(face, 1);
                  xs0 = coord_sommets(s0, 0);
                  ys0 = coord_sommets(s0, 1);
                  xs1 = coord_sommets(s1, 0);
                  ys1 = coord_sommets(s1, 1);
                  v = volumes_entrelaces(face);
                  ds = (incosom(s1) - incosom(s0)) / ((xs1 - xs0) * (xs1 - xs0) + (ys1 - ys0) * (ys1 - ys0));
                  grad(face, 0) = v * (ds * (xs1 - xs0));
                  grad(face, 1) = v * (ds * (ys1 - ys0));
                }
            }
 
          // internal faces
          for (face = dom.premiere_face_int(); face < dom.nb_faces(); face++)
            {
              s0 = face_sommets(face, 0);
              s1 = face_sommets(face, 1);
              elem0 = face_voisins(face, 0);
              elem1 = face_voisins(face, 1);
              xs0 = coord_sommets(s0, 0);
              ys0 = coord_sommets(s0, 1);
              xs1 = coord_sommets(s1, 0);
              ys1 = coord_sommets(s1, 1);
              xe0 = xp(elem0, 0);
              ye0 = xp(elem0, 1);
              xe1 = xp(elem1, 0);
              ye1 = xp(elem1, 1);
              v = volumes_entrelaces(face);
              ds = (incosom(s1) - incosom(s0)) / ((xs1 - xs0) * (xs1 - xs0) + (ys1 - ys0) * (ys1 - ys0));
              de = (inco(elem1) - inco(elem0)) / ((xe1 - xe0) * (xe1 - xe0) + (ye1 - ye0) * (ye1 - ye0));
              grad(face, 0) = v * (ds * (xs1 - xs0) + de * (xe1 - xe0));
              grad(face, 1) = v * (ds * (ys1 - ys0) + de * (ye1 - ye0));
            }
        }
      else
        Cerr << "WARNING: gradient of inco incorrectly computed in 3D" << finl;
    }
}
 
double EDO_Pression_th_VEF::masse_totale(double P, const DoubleTab& T)
{
  const Domaine_VEF& dom = ref_cast(Domaine_VEF, le_dom.valeur());
  int nb_faces = dom.nb_faces();
 
  // assert(tab.dimension(0)==nb_faces);
  const Loi_Etat_base& loi_ = ref_cast(Loi_Etat_base, le_fluide_->loi_etat().valeur());
 
  DoubleVect tmp;
  tmp.copy(T, RESIZE_OPTIONS::NOCOPY_NOINIT); // just copy the structure
  if (!sub_type(Loi_Etat_Multi_GP_QC, loi_))
    {
      for (int i = 0; i < nb_faces; i++)
        tmp[i] = loi_.calculer_masse_volumique(P, T[i]);
    }
  else
    {
      const Loi_Etat_Multi_GP_QC& loi_mel_GP = ref_cast(Loi_Etat_Multi_GP_QC, loi_);
      const DoubleTab& Masse_mol_mel = loi_mel_GP.masse_molaire();
      for (int i = 0; i < nb_faces; i++)
        {
          double r = 8.3143 / Masse_mol_mel[i];
          tmp[i] = loi_mel_GP.calculer_masse_volumique(P, T[i], r);
        }
    }
  const double M = Champ_P1NC::calculer_integrale_volumique(dom, tmp, FAUX_EN_PERIO);
  return M;
}
 
double EDO_Pression_th_VEF::masse_totale(const DoubleTab& P, const DoubleTab& T)
{
  const Domaine_VEF& dom = ref_cast(Domaine_VEF, le_dom.valeur());
  int nb_faces = dom.nb_faces();
 
  assert(P.dimension(0) == T.dimension(0));
  const Loi_Etat_base& loi_ = ref_cast(Loi_Etat_base, le_fluide_->loi_etat().valeur());
 
  DoubleVect tmp;
  tmp.copy(T, RESIZE_OPTIONS::NOCOPY_NOINIT); // just copy the structure
  if (!sub_type(Loi_Etat_Multi_GP_WC, loi_))
    {
      for (int i = 0; i < nb_faces; i++)
        tmp[i] = loi_.calculer_masse_volumique(P(i), T(i));
    }
  else
    {
      const Loi_Etat_Multi_GP_WC& loi_mel_GP = ref_cast(Loi_Etat_Multi_GP_WC, loi_);
      const DoubleTab& Masse_mol_mel = loi_mel_GP.masse_molaire();
      for (int i = 0; i < nb_faces; i++)
        {
          double r = 8.3143 / Masse_mol_mel[i];
          tmp[i] = loi_mel_GP.calculer_masse_volumique(P(i), T(i), r);
        }
    }
  const double M = Champ_P1NC::calculer_integrale_volumique(dom, tmp, FAUX_EN_PERIO);
  return M;
}