Op_VDF_Face.cpp

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#include <Dirichlet_homogene.h>
#include <Matrice_Morse.h>
#include <Equation_base.h>
#include <Op_VDF_Face.h>
#include <Domaine_Cl_VDF.h>
#include <Periodique.h>
#include <Dirichlet.h>
#include <Symetrie.h>
 
// TODO : FIXME : a la poubelle
void Op_VDF_Face::dimensionner(const Domaine_VDF& le_dom, const Domaine_Cl_VDF& le_dom_cl, Matrice_Morse& la_matrice) const
{
  // Sizing of the matrix that will receive the coefficients from convection and diffusion for face unknowns.
  // This matrix has a Morse matrix structure.
  // We start by computing the sizes of arrays tab1 and tab2.
 
  const DoubleTab& champ_inconnue = le_dom_cl.equation().inconnue().valeurs();
  const int ndeb = 0, nfin = le_dom.nb_faces_tot(), dimension = Objet_U::dimension, nb_comp = champ_inconnue.line_size();
  const IntVect& orientation = le_dom.orientation();
 
  la_matrice.dimensionner(nfin*nb_comp,nfin*nb_comp,0);
 
  auto& tab1 = la_matrice.get_set_tab1();
  auto& tab2 = la_matrice.get_set_tab2();
  auto& coeff = la_matrice.get_set_coeff();
  coeff = 0;
  IntVect rang_voisin(nfin);
  rang_voisin = 1;
 
  for (int num_face = ndeb; num_face < nfin; num_face++)
    {
      const int ori = orientation(num_face), face1 = le_dom.face_amont_princ(num_face,0), face2 = le_dom.face_amont_princ(num_face,1),
                face3 = le_dom.face_bord_amont(num_face,(ori+1)%dimension,0), face4 = le_dom.face_bord_amont(num_face,(ori+1)%dimension,1);
 
      if(face1 > -1) (rang_voisin(num_face))++;
      if(face2 > -1) (rang_voisin(num_face))++;
      if(face3 > -1) (rang_voisin(num_face))++;
      if(face4 > -1) (rang_voisin(num_face))++;
 
      if (dimension==3)
        {
          const int face5 = le_dom.face_bord_amont(num_face,(ori+2)%dimension,0), face6 = le_dom.face_bord_amont(num_face,(ori+2)%dimension,1);
          if(face5 > -1) (rang_voisin(num_face))++;
          if(face6 > -1) (rang_voisin(num_face))++;
        }
    }
 
  // sweep over faces to size tab1 and tab2
  tab1(0) = 1;
  for (int num_face = ndeb; num_face < nfin; num_face++)
    for (int k = 0; k < nb_comp; k++) tab1(num_face*nb_comp+1+k) = rang_voisin(num_face) + tab1(num_face*nb_comp+k);
 
  la_matrice.dimensionner(nfin*nb_comp,tab1(nfin*nb_comp)-1);
 
  for (int num_face = ndeb; num_face < nfin; num_face++)
    {
      const int ori = orientation(num_face), face1 = le_dom.face_amont_princ(num_face,0), face2 = le_dom.face_amont_princ(num_face,1),
                face3 = le_dom.face_bord_amont(num_face,(ori+1)%dimension,0), face4 = le_dom.face_bord_amont(num_face,(ori+1)%dimension,1);
 
      auto cpt = tab1[num_face]-1;
      tab2[cpt] = num_face+1;
      cpt++;
 
      if (face1 > -1) { tab2[cpt] = face1+1; cpt++; }
      if (face2 > -1) { tab2[cpt] = face2+1; cpt++; }
      if (face3 > -1) { tab2[cpt] = face3+1; cpt++; }
      if (face4 > -1) { tab2[cpt] = face4+1; cpt++; }
 
      if (dimension == 3)
        {
          const int face5 = le_dom.face_bord_amont(num_face,(ori+2)%dimension,0), face6 = le_dom.face_bord_amont(num_face,(ori+2)%dimension,1);
          if (face5 > -1) { tab2[cpt] = face5+1; cpt++; }
          if (face6 > -1) { tab2[cpt] = face6+1; cpt++; }
        }
    }
 
  // handle the periodicity condition: the boundary faces may not be the correct ones;
  // more precisely, on the right side we have the left face rather than the right face
  const Conds_lim& les_cl = le_dom_cl.les_conditions_limites();
  const IntTab& faces_voisins = le_dom.face_voisins(), &elem_faces = le_dom.elem_faces();
 
  for (const auto& itr : les_cl)
    {
      const Cond_lim& la_cl = itr;
      if (sub_type(Periodique,la_cl.valeur()))
        {
          const Front_VF& la_front_dis = ref_cast(Front_VF,la_cl->frontiere_dis());
          const int ndeb_p = la_front_dis.num_premiere_face(), nfaces = la_front_dis.nb_faces(), nfin_p = ndeb_p + nfaces;
 
          for (int num_face = ndeb_p; num_face < nfin_p; num_face++)
            {
              const int ori = orientation(num_face);
              {
                //int face1=le_dom.face_amont_princ(num_face,0);
                //int face2=le_dom.face_amont_princ(num_face,1);
                const int face3 = le_dom.face_bord_amont(num_face,(ori+1)%dimension,0), face4 = le_dom.face_bord_amont(num_face,(ori+1)%dimension,1);
                const int face1b = elem_faces(faces_voisins(num_face,1),ori);
 
                auto cpt = tab1[num_face]-1;
                cpt += 3;
                if (face1b != num_face)
                  {
                    // recompute fac3 fac4
                    const int face3n = face_bord_amont2(le_dom,num_face,(ori+1)%dimension,0), face4n = face_bord_amont2(le_dom,num_face,(ori+1)%dimension,1);
                    if (face3 != -1) { assert(tab2[cpt] == face3+1); tab2[cpt] = face3n+1; cpt++; }
                    if (face4 != -1) { assert(tab2[cpt] == face4+1); tab2[cpt] = face4n+1; cpt++; }
 
                    if (dimension == 3)
                      {
                        const int face5 = le_dom.face_bord_amont(num_face,(ori+2)%dimension,0), face6 = le_dom.face_bord_amont(num_face,(ori+2)%dimension,1),
                                  face5n = face_bord_amont2(le_dom,num_face,(ori+2)%dimension,0), face6n = face_bord_amont2(le_dom,num_face,(ori+2)%dimension,1);
 
                        if (face5 != -1) { assert(tab2[cpt] == face5+1); tab2[cpt] = face5n+1; cpt++; }
                        if (face6 != -1) { assert(tab2[cpt] == face6+1); tab2[cpt] = face6n+1; cpt++; }
                      }
                  }
              }
            }
        }
    }
}
 
void Op_VDF_Face::modifier_pour_Cl_(const int face, const int comp, const int nb_comp, Matrice_Morse& la_matrice) const
{
  auto& tab1 = la_matrice.get_set_tab1();
  auto& coeff = la_matrice.get_set_coeff();
 
  const auto idiag = tab1[face * nb_comp + comp] - 1;
  coeff[idiag] = 1.;
 
  // for the neighbors
  const int nbvois = (int)(tab1[face * nb_comp + 1 + comp] - tab1[face * nb_comp + comp]);
  for (int k = 1; k < nbvois; k++) coeff[idiag + k] = 0.;
}
 
void Op_VDF_Face::modifier_pour_Cl(const Domaine_VDF& le_dom, const Domaine_Cl_VDF& le_dom_cl, Matrice_Morse& la_matrice, DoubleTab& secmem) const
{
  const Conds_lim& les_cl = le_dom_cl.les_conditions_limites();
  const IntVect& orientation = le_dom.orientation();
  const DoubleTab& champ_inconnue = le_dom_cl.equation().inconnue().valeurs();
  const int nb_comp = champ_inconnue.line_size();
 
  for (const auto& itr : les_cl)
    {
      const Cond_lim& la_cl = itr;
      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();
 
      if (sub_type(Dirichlet, la_cl.valeur()))
        {
          const Dirichlet& la_cl_Dirichlet = ref_cast(Dirichlet, la_cl.valeur());
 
          for (int face = numdeb; face < (numdeb + nfaces); face++)
            for (int comp = 0; comp < nb_comp; comp++)
              {
                modifier_pour_Cl_(face, comp, nb_comp, la_matrice);
                // for the right-hand side [Bug fix (10/99) : WEC : face index correction]
                const int ori = orientation(face);
                secmem(face, comp) = la_cl_Dirichlet.val_imp(face - numdeb, nb_comp * ori + comp);
              }
        }
 
      if (sub_type(Symetrie, la_cl.valeur()))
        {
          for (int face = numdeb; face < numdeb + nfaces; face++)
            for (int comp = 0; comp < nb_comp; comp++)
              {
                modifier_pour_Cl_(face, comp, nb_comp, la_matrice);
                secmem(face, comp) = 0.;
              }
        }
 
      if (sub_type(Dirichlet_homogene, la_cl.valeur()))
        {
          const Dirichlet_homogene& la_cl_Dirichlet_homogene = ref_cast(Dirichlet_homogene, la_cl.valeur());
 
          for (int face = numdeb; face < numdeb + nfaces; face++)
            for (int comp = 0; comp < nb_comp; comp++)
              {
                modifier_pour_Cl_(face, comp, nb_comp, la_matrice);
                // for the right-hand side [Bug fix (10/99) : WEC : face index correction]
                const int ori = orientation(face);
                secmem(face, comp) = la_cl_Dirichlet_homogene.val_imp(face - numdeb, nb_comp * ori + comp);
              }
        }
    }
}