Op_VDF_Elem.cpp

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#include <Matrice_Morse.h>
#include <Equation_base.h>
#include <Matrix_tools.h>
#include <Op_VDF_Elem.h>
#include <Domaine_Cl_VDF.h>
#include <Array_tools.h>
#include <Periodique.h>
#include <Matrix_tools.h>
#include <Domaine_VDF.h>
 
void Op_VDF_Elem::dimensionner(const Domaine_VDF& le_dom, const Domaine_Cl_VDF& le_dom_cl, Matrice_Morse& la_matrice, const bool multi_scalar_diff) const
{
  if (multi_scalar_diff)
    dimensionner_multiscalar(le_dom, le_dom_cl, la_matrice, multi_scalar_diff);
  else
    dimensionner_old(le_dom, le_dom_cl, la_matrice);
}
 
void Op_VDF_Elem::dimensionner_old(const Domaine_VDF& le_dom, const Domaine_Cl_VDF& le_dom_cl, Matrice_Morse& la_matrice) const
{
  // Dimensionnement de la matrice qui devra recevoir les coefficients provenant de la convection, de la diffusion pour le cas des elements.
  // Cette matrice a une structure de matrice morse.
  // Nous commencons par calculer les tailles des tableaux tab1 et tab2.
 
  const IntTab& face_voisins = le_dom.face_voisins();
  const Conds_lim& les_cl = le_dom_cl.les_conditions_limites();
  const DoubleTab& champ_inconnue = le_dom_cl.equation().inconnue().valeurs();
  const int n1 = le_dom.domaine().nb_elem_tot(), nb_comp = champ_inconnue.line_size();
 
  la_matrice.dimensionner(n1*nb_comp, n1*nb_comp, 0);
 
  auto& tab1 = la_matrice.get_set_tab1();
  auto& tab2 = la_matrice.get_set_tab2();
  auto& coeff = la_matrice.get_set_coeff();
 
  const int ndeb = le_dom.premiere_face_int(), nfin = le_dom.nb_faces();
  coeff = 0;
 
  IntVect rang_voisin(n1*nb_comp);
  rang_voisin = 1;
 
  for (int num_face = ndeb; num_face < nfin; num_face++)
    {
      const int elem1 = face_voisins(num_face,0), elem2 = face_voisins(num_face,1);
      (rang_voisin(elem2))++;
      (rang_voisin(elem1))++;
    }
 
  // Prise en compte des conditions de type periodicite
  for (const auto& itr : les_cl)
    {
      const Cond_lim& la_cl = itr;
      if (sub_type(Periodique,la_cl.valeur()))
        {
          const Periodique& la_cl_perio = ref_cast(Periodique,la_cl.valeur());
          const Front_VF& la_front_dis = ref_cast(Front_VF,la_cl->frontiere_dis());
          const int numdeb = la_front_dis.num_premiere_face(), nfaces = la_front_dis.nb_faces();
          int ind_face_global;
          IntVect fait(nfaces);
          fait = 0;
          for (int face = 0; face < nfaces; face++)
            {
              if (fait[face] == 0)
                {
                  fait[face] = 1;
                  fait[la_cl_perio.face_associee(face)] = 1;
                  ind_face_global = face+numdeb;
 
                  const int elem1 = face_voisins(ind_face_global,0), elem2 = face_voisins(ind_face_global,1);
 
                  (rang_voisin(elem2))++;
                  (rang_voisin(elem1))++;
                }
            }
        }
    }
 
  // on balaye les elements pour dimensionner tab1 et tab2
  tab1(0) = 1;
  for(int i = 0; i < n1; i++)
    for (int k = 0; k < nb_comp; k++) tab1(i*nb_comp+1+k) = rang_voisin(i) +  tab1(i*nb_comp+k);
 
  la_matrice.dimensionner(n1*nb_comp,tab1(n1*nb_comp)-1);
 
  for (int i = 0; i < n1*nb_comp; i++)
    {
      tab2[tab1[i]-1] = i+1;
      rang_voisin[i] = (int)tab1[i];
    }
 
  // on traite les faces internes pour les voisins
  for (int num_face = ndeb; num_face < nfin; num_face++)
    {
      const int elem1 = face_voisins(num_face,0), elem2 = face_voisins(num_face,1);
      for (int k = 0; k < nb_comp; k++)
        {
          tab2[rang_voisin[elem2*nb_comp+k]] = elem1*nb_comp+1+k;
          rang_voisin[elem2*nb_comp+k]++;
 
          tab2[rang_voisin[elem1*nb_comp+k]] = elem2*nb_comp+1+k;
          rang_voisin[elem1*nb_comp+k]++;
        }
    }
 
  // on traite la condition de periodicite
  for (int i=0; i<les_cl.size(); i++)
    {
      const Cond_lim& la_cl = les_cl[i];
      if (sub_type(Periodique,la_cl.valeur()) )
        {
          const Periodique& la_cl_perio = ref_cast(Periodique,la_cl.valeur());
          const Front_VF& la_front_dis = ref_cast(Front_VF,la_cl->frontiere_dis());
          const int numdeb = la_front_dis.num_premiere_face(), nfaces = la_front_dis.nb_faces();
          IntVect fait(nfaces);
          fait = 0;
          for (int ind_face_local = 0; ind_face_local < nfaces; ind_face_local++)
            {
              if (fait[ind_face_local] == 0)
                {
                  const int num_face = numdeb + ind_face_local;
                  fait[ind_face_local] = 1;
                  fait[la_cl_perio.face_associee(ind_face_local)] = 1;
 
                  const int elem1 = face_voisins(num_face,0), elem2 = face_voisins(num_face,1);
 
                  for (int k = 0; k < nb_comp; k++)
                    {
                      tab2[rang_voisin[elem2*nb_comp+k]] = elem1*nb_comp+1+k;
                      rang_voisin[elem2*nb_comp+k]++;
 
                      tab2[rang_voisin[elem1*nb_comp+k]] = elem2*nb_comp+1+k;
                      rang_voisin[elem1*nb_comp+k]++;
                    }
                }
            }
        }
    }
}
 
void Op_VDF_Elem::dimensionner_multiscalar(const Domaine_VDF& le_dom, const Domaine_Cl_VDF& le_dom_cl, Matrice_Morse& la_matrice, const bool multi_scalar_diff) const
{
  const DoubleTab& inco = le_dom_cl.equation().inconnue().valeurs();
  const int ne = le_dom.nb_elem_tot(), M = inco.line_size();
  const IntTab& f_e = le_dom.face_voisins(), &e_f = le_dom.elem_faces();
 
  Stencil sten(0, 2);
 
  for (int e = 0; e < ne; e++) // Boucle sur les elements
    for (int i = 0, f, n; i < e_f.dimension(1); i++) // Boucle sur les faces de chaque element
      if ((f = e_f(e, i)) >= 0)
        for (int j = 0; j < 2; j++) // Chaque cote de l'element hexaedrique ?
          if ((n = f_e(f, j)) >= 0)
            for (int k = 0; k < M; k++)
              for (int m = (multi_scalar_diff ? 0 : k); m < (multi_scalar_diff ? M : k + 1); m++) // Chaque composante
                sten.append_line(M * e + k, M * n + m);
 
  tableau_trier_retirer_doublons(sten);
  Matrix_tools::allocate_morse_matrix(inco.size_totale(), inco.size_totale(), sten, la_matrice);
}
 
void Op_VDF_Elem:: modifier_pour_Cl(const Domaine_VDF& , const Domaine_Cl_VDF& , Matrice_Morse& , DoubleTab& ) const { /* Do nothing */ }