Source_BIF_PolyMAC_MPFA.cpp

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#include <Source_BIF_PolyMAC_MPFA.h>
 
#include <Domaine_PolyMAC_MPFA.h>
#include <Champ_Elem_PolyMAC_MPFA.h>
#include <Matrix_tools.h>
#include <Probleme_base.h>
#include <grad_Champ_Face_PolyMAC_MPFA.h>
#include <Champ_Uniforme.h>
#include <Flux_interfacial_base.h>
#include <Milieu_composite.h>
#include <Operateur_Diff.h>
#include <Op_Diff_Turbulent_PolyMAC_MPFA_Face.h>
#include <Navier_Stokes_std.h>
#include <Viscosite_turbulente_base.h>
#include <Viscosite_turbulente_multiple.h>
#include <TRUSTTab_parts.h>
 
 
Implemente_instanciable(Source_BIF_PolyMAC_MPFA,"Source_BIF_Face_PolyMAC_MPFA", Source_base);
// XD Source_BIF source_base Source_BIF BRACE Additional fluctuations induced by the movement of bubbles, only available
// XD_CONT in PolyMAC_MPFA
 
Sortie& Source_BIF_PolyMAC_MPFA::printOn(Sortie& os) const
{
  return os;
}
 
Entree& Source_BIF_PolyMAC_MPFA::readOn(Entree& is)
{
  if (!sub_type(Viscosite_turbulente_multiple, ref_cast(Op_Diff_Turbulent_PolyMAC_MPFA_Face, ref_cast(Navier_Stokes_std, equation().probleme().equation(0)).operateur(0).l_op_base()).correlation()))
    Process::exit(que_suis_je() + " : the turbulence correlation must be multiple");
 
  Param param(que_suis_je());
  param.lire_avec_accolades_depuis(is);
 
  return is;
}
 
void Source_BIF_PolyMAC_MPFA::dimensionner_blocs(matrices_t matrices, const tabs_t& semi_impl) const
{
// empty : no derivative to add in the blocks
}
 
void Source_BIF_PolyMAC_MPFA::ajouter_blocs(matrices_t matrices, DoubleTab& secmem, const tabs_t& semi_impl) const
{
  const Domaine_PolyMAC_MPFA& domaine = ref_cast(Domaine_PolyMAC_MPFA, equation().domaine_dis());
  const Probleme_base& pb = ref_cast(Probleme_base, equation().probleme());
  const Navier_Stokes_std& eq_qdm = ref_cast(Navier_Stokes_std, pb.equation(0));
  const Op_Diff_Turbulent_PolyMAC_MPFA_Face& Op_diff = ref_cast(Op_Diff_Turbulent_PolyMAC_MPFA_Face, eq_qdm.operateur(0).l_op_base());
  const DoubleTab& tab_rho = equation().probleme().get_champ("masse_volumique").passe();
  const DoubleTab& tab_alp = equation().probleme().get_champ("alpha").passe();
 
  const DoubleTab& vf_dir = domaine.volumes_entrelaces_dir();
  const DoubleTab& xp = domaine.xp();
  const DoubleTab& xv = domaine.xv();
  const DoubleVect& pe = equation().milieu().porosite_elem();
  const DoubleVect& ve = domaine.volumes();
  const DoubleVect& fs = domaine.face_surfaces();
  const DoubleTab& normales_f = domaine.face_normales();
  const IntTab& voisins_f = domaine.face_voisins();
  const IntTab& e_f = domaine.elem_faces();
  const IntTab& f_e = domaine.face_voisins();
 
  const Viscosite_turbulente_multiple& visc_turb = ref_cast(Viscosite_turbulente_multiple, Op_diff.correlation());
 
  const int N = pb.get_champ("vitesse").valeurs().dimension(1);
  const int D = dimension;
  const int nf_tot = domaine.nb_faces_tot();
  const int nf = domaine.nb_faces();
  const int ne_tot = domaine.nb_elem_tot() ;
 
  // On recupere les tensions de reynolds des termes de BIF
  DoubleTrav Rij(0, N, D, D);
  MD_Vector_tools::creer_tableau_distribue(eq_qdm.pression().valeurs().get_md_vector(), Rij); //Necessary to compare size in reynolds_stress()
  visc_turb.reynolds_stress_BIF(Rij);
 
  DoubleTrav grad_Rij(0, N, D, D);
  MD_Vector_tools::creer_tableau_distribue(eq_qdm.vitesse().valeurs().get_md_vector(), grad_Rij); //Necessary to exchange virtual elements after calculation of the gradient at the faces()
 
  const Champ_Elem_PolyMAC_MPFA& ch_alpha = ref_cast(Champ_Elem_PolyMAC_MPFA, equation().probleme().get_champ("alpha"));    // Champ alpha qui servira à obtenir les coeffs du gradient ; normalement toujours des CAL de Neumann ; terme source qui n'apparait qu'en multiphase
  ch_alpha.init_grad(0); // Initialisation des tables fgrad_d, fgrad_e, fgrad_w qui dependent de la discretisation et du type de conditions aux limites --> pas de mises a jour necessaires
 
  const IntTab& fg_d = ch_alpha.fgrad_d;
  const IntTab& fg_e = ch_alpha.fgrad_e; // Tables utilisees dans domaine_PolyMAC_MPFA::fgrad pour le calcul du gradient
  const DoubleTab& fg_w = ch_alpha.fgrad_w;
 
  // On calcule le gradient de Rij aux faces
  for (int n = 0; n < N; n++)
    for (int f = 0; f < nf_tot; f++)
      for (int d_i = 0; d_i <D ; d_i++)
        for (int d_j = 0; d_j <D ; d_j++)
          {
            grad_Rij(f, n, d_i, d_j) = 0;
            // grad_Rij(face, phase, x-coord, y-coord)   or
            // grad_Rij(nb_face_tot + dimension*element*gradient_component, phase, x-coord, y-coord)
            for (int j = fg_d(f); j < fg_d(f+1) ; j++)
              {
                const int e = fg_e(j);
                int f_bord {0};
                if ( (f_bord = e - ne_tot) < 0) //contribution d'un element
                  grad_Rij(f, n, d_i, d_j) += fg_w(j) * Rij(e, n, d_i, d_j);
                else if ( (ch_alpha.fcl()(f_bord, 0) == 1) || (ch_alpha.fcl()(f_bord, 0) == 2)
                          || (ch_alpha.fcl()(f_bord, 0) == 3) || (ch_alpha.fcl()(f_bord, 0) == 6))
                  {
                    Process::exit("You must have a neumann limit condition on alpha for RIJ_BIF to work !");
                  }
              }
          }
 
  // On interpole le gradient de Rij aux elements
  for (int n = 0; n < N; n++)
    for (int e = 0; e < ne_tot; e++)
      for (int d_d = 0 ; d_d < D ; d_d++) // on derive / d_d
        for (int d_i = 0; d_i < D ; d_i++)
          for (int d_j = 0; d_j < D ; d_j++)
            {
              grad_Rij(nf_tot + D *e + d_d, n, d_i,  d_j) = 0;
              for (int j = 0, f; j < e_f.dimension(1) && (f = e_f(e, j)) >= 0; j++)
                grad_Rij(nf_tot + D *e + d_d, n, d_i,  d_j) += (e == f_e(f, 0) ? 1 : -1) * fs(f) * (xv(f, d_d) - xp(e, d_d)) / ve(e) * grad_Rij(f, n, d_i,  d_j);
            }
 
  // On calcule le second membre aux elements
 
  for (int e = 0 ; e < ne_tot ; e++)
    for (int n = 0; n<N ; n++)
      for (int d_i = 0; d_i < D; d_i++)
        {
          double secmem_en = 0;
          for (int d_j = 0; d_j < D; d_j++)
            secmem_en += grad_Rij(nf_tot + D *e + d_j, n, d_i,  d_j) ;
          secmem_en *= (-1) * pe(e) * ve(e) * tab_alp(e, n) * tab_rho(e, n) ; // For us, Rij = < u_i u_j >, therefore *(-1)
          secmem(nf_tot + e*D + d_i, n) += secmem_en;
        }
 
  // On calcule le second membre aux faces
 
  int e {0};
 
  for (int f = 0 ; f < nf ; f++)
    for (int n = 0; n<N ; n++)
      for (int i = 0; i < 2 && (e = voisins_f(f, i)) >= 0; i++)
        {
          DoubleTrav secmem_en(D); // Contains the vector of the divergence of R_ij at the face
          secmem_en = 0;
          for (int d_i = 0; d_i < D; d_i++)
            for (int d_j = 0; d_j < D; d_j++)
              secmem_en(d_i) += grad_Rij(nf_tot + D *e + d_j, n, d_i,  d_j) ;
          for (int d_i = 0; d_i < D; d_i++)
            secmem_en(d_i) *= (-1) * pe(e) * vf_dir(f, i) * tab_alp(e, n) * tab_rho(e, n);// For us, Rij = < u_i u_j >, therefore *(-1)
          double flux_face = domaine.dot(&normales_f(f, 0), &secmem_en(0));
          secmem(f, n) += flux_face;
        }
 
}