OpConvQuickIJKScalar_cut_cell.cpp

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#include <OpConvQuickIJKScalar_cut_cell.h>
#include <IJK_Navier_Stokes_tools_cut_cell.h>
 
Implemente_instanciable_sans_constructeur(OpConvQuickIJKScalar_cut_cell_double, "OpConvQuickIJKScalar_cut_cell_double", Operateur_IJK_elem_conv_base_double);
 
Sortie& OpConvQuickIJKScalar_cut_cell_double::printOn(Sortie& os) const
{
  return os;
}
 
Entree& OpConvQuickIJKScalar_cut_cell_double::readOn(Entree& is)
{
  return is;
}
 
void OpConvQuickIJKScalar_cut_cell_double::correct_flux(IJK_Field_local_double *const flux, int k_layer, const int dir)
{
  if (dir == 0)
    {
      correct_flux_<DIRECTION::X>(flux, k_layer);
    }
  else if (dir == 1)
    {
      correct_flux_<DIRECTION::Y>(flux, k_layer);
    }
  else if (dir == 2)
    {
      correct_flux_<DIRECTION::Z>(flux, k_layer);
    }
  else
    {
      Cerr << "Unexpected value of dir in OpConvQuickIJKScalar_cut_cell_double::correct_flux" << finl;
      Process::exit();
    }
 
  // Fluxes are stored in the flux variable (IJK_Field_local_double) for pure cells
  // as well as within the cut_cell_flux_ variable for cut cells.
  // The two variables must agrees for the fluxes between pure and cut cells.
  assert((*cut_cell_flux_)[dir].verify_consistency_within_layer(dir, k_layer, *flux));
 
 
 
  if (runge_kutta_flux_correction_)
    {
      Cut_field_vector3_double& cut_field_current_fluxes = static_cast<Cut_field_vector3_double&>(*current_fluxes_);
      Cut_field_vector3_double& cut_field_RK3_F_fluxes = static_cast<Cut_field_vector3_double&>(*RK3_F_fluxes_);
 
      assert(&(*cut_cell_flux_)[0].get_cut_cell_disc() == &(*cut_cell_flux_)[1].get_cut_cell_disc());
      assert(&(*cut_cell_flux_)[0].get_cut_cell_disc() == &(*cut_cell_flux_)[2].get_cut_cell_disc());
      const Cut_cell_FT_Disc& cut_cell_disc = (*cut_cell_flux_)[0].get_cut_cell_disc();
 
      {
        int ni = (dir == 0) ? flux->ni() : flux->ni() - 1;
        int nj = (dir == 1) ? flux->nj() : flux->nj() - 1;
        for (int j = 0; j < nj; j++)
          {
            for (int i = 0; i < ni; i++)
              {
                cut_field_current_fluxes[dir].pure_(i,j,k_layer) = (*flux)(i,j,0);
                int n = cut_cell_disc.get_n(i, j, k_layer);
                if (n >= 0)
                  {
                    cut_field_current_fluxes[dir].diph_l_(n) = (*cut_cell_flux_)[dir].diph_l_(n);
                    cut_field_current_fluxes[dir].diph_v_(n) = (*cut_cell_flux_)[dir].diph_v_(n);
                  }
              }
          }
      }
 
      {
        int ni = (dir == 0) ? flux->ni() : flux->ni() - 1;
        int nj = (dir == 1) ? flux->nj() : flux->nj() - 1;
        for (int j = 0; j < nj; j++)
          {
            for (int i = 0; i < ni; i++)
              {
                int n = cut_cell_disc.get_n(i, j, k_layer);
                if (n >= 0)
                  {
                    const DoubleTabFT_cut_cell_vector3& indicatrice_surfacique = cut_cell_disc.get_interfaces().get_indicatrice_surfacique_efficace_face();
                    double indicatrice_surface = indicatrice_surfacique(n,dir);
 
                    cut_field_RK3_F_fluxes[dir].diph_l_(n) = cut_field_RK3_F_fluxes[dir].diph_l_(n)*indicatrice_surface;
                    cut_field_RK3_F_fluxes[dir].diph_v_(n) = cut_field_RK3_F_fluxes[dir].diph_v_(n)*(1 -indicatrice_surface);
                  }
              }
          }
      }
 
      runge_kutta3_update_surfacic_fluxes(cut_field_current_fluxes[dir], cut_field_RK3_F_fluxes[dir], rk_step_, k_layer, dir, dt_tot_, *cellule_rk_restreint_conv_main_);
 
      {
        int ni = (dir == 0) ? flux->ni() : flux->ni() - 1;
        int nj = (dir == 1) ? flux->nj() : flux->nj() - 1;
        for (int j = 0; j < nj; j++)
          {
            for (int i = 0; i < ni; i++)
              {
                (*flux)(i,j,0) = cut_field_current_fluxes[dir].pure_(i,j,k_layer);
                int n = cut_cell_disc.get_n(i, j, k_layer);
                if (n >= 0)
                  {
                    (*cut_cell_flux_)[dir].diph_l_(n) = cut_field_current_fluxes[dir].diph_l_(n);
                    (*cut_cell_flux_)[dir].diph_v_(n) = cut_field_current_fluxes[dir].diph_v_(n);
                  }
              }
          }
      }
 
      {
        int ni = (dir == 0) ? flux->ni() : flux->ni() - 1;
        int nj = (dir == 1) ? flux->nj() : flux->nj() - 1;
        for (int j = 0; j < nj; j++)
          {
            for (int i = 0; i < ni; i++)
              {
                int n = cut_cell_disc.get_n(i, j, k_layer);
                if (n >= 0)
                  {
                    const DoubleTabFT_cut_cell_vector3& indicatrice_surfacique = cut_cell_disc.get_interfaces().get_indicatrice_surfacique_efficace_face();
                    double indicatrice_surface = indicatrice_surfacique(n,dir);
 
                    cut_field_RK3_F_fluxes[dir].diph_l_(n) = (indicatrice_surface == 0.)       ? 0. : cut_field_RK3_F_fluxes[dir].diph_l_(n)/indicatrice_surface;
                    cut_field_RK3_F_fluxes[dir].diph_v_(n) = ((1 - indicatrice_surface) == 0.) ? 0. : cut_field_RK3_F_fluxes[dir].diph_v_(n)/(1 -indicatrice_surface);
                  }
              }
          }
      }
    }
 
  assert((*cut_cell_flux_)[dir].verify_consistency_within_layer(dir, k_layer, *flux));
}
 
void OpConvQuickIJKScalar_cut_cell_double::compute_cut_cell_divergence(const FixedVector<Cut_cell_double, 3>& cut_cell_flux,
                                                                       const IJK_Field_local_double& flux_x,
                                                                       const IJK_Field_local_double& flux_y,
                                                                       const IJK_Field_local_double& flux_zmin,
                                                                       const IJK_Field_local_double& flux_zmax,
                                                                       IJK_Field_double& resu, int k_layer, bool add)
{
  assert(&(cut_cell_flux[0].get_cut_cell_disc()) == &(cut_cell_flux[1].get_cut_cell_disc()));
  assert(&(cut_cell_flux[0].get_cut_cell_disc()) == &(cut_cell_flux[2].get_cut_cell_disc()));
  const Cut_cell_FT_Disc& cut_cell_disc = cut_cell_flux[0].get_cut_cell_disc();
 
  Cut_field_double& cut_field_resu = static_cast<Cut_field_double&>(resu);
 
  for (int index = cut_cell_disc.get_k_value_index(k_layer); index < cut_cell_disc.get_k_value_index(k_layer+1); index++)
    {
      int n = cut_cell_disc.get_n_from_k_index(index);
      Int3 ijk = cut_cell_disc.get_ijk(n);
 
      int i = ijk[0];
      int j = ijk[1];
      int k = ijk[2];
 
      if (!cut_cell_disc.get_domaine().within_ghost(i, j, k, 0, 0))
        continue;
 
      if (flux_determined_by_wall_<DIRECTION::Z>(k))
        {
          Cerr << "Le cas d'une cellule diphasique avec flux de paroi n'est pas traite" << finl;
          Process::exit();
        }
      else
        {
          for (int phase = 0; phase < 2; phase++)
            {
              const DoubleTabFT_cut_cell& diph_flux_x = (phase == 0) ? cut_cell_flux[0].diph_v_ : cut_cell_flux[0].diph_l_;
              const DoubleTabFT_cut_cell& diph_flux_y = (phase == 0) ? cut_cell_flux[1].diph_v_ : cut_cell_flux[1].diph_l_;
              const DoubleTabFT_cut_cell& diph_flux_z = (phase == 0) ? cut_cell_flux[2].diph_v_ : cut_cell_flux[2].diph_l_;
              DoubleTabFT_cut_cell& diph_resu = (phase == 0) ? cut_field_resu.diph_v_ : cut_field_resu.diph_l_;
 
              int n_ip1 = cut_cell_disc.get_n(i+1,j,k);
              int n_jp1 = cut_cell_disc.get_n(i,j+1,k);
              int n_kp1 = cut_cell_disc.get_n(i,j,k+1);
 
              double fx_centre = diph_flux_x(n);
              double fy_centre = diph_flux_y(n);
              double fz_centre = diph_flux_z(n);
 
              double fx_right  = (n_ip1 < 0) ? (cut_cell_disc.indic_pure(i+1,j,k) == phase)*flux_x(i+1,j,0)  : diph_flux_x(n_ip1);
              double fy_right  = (n_jp1 < 0) ? (cut_cell_disc.indic_pure(i,j+1,k) == phase)*flux_y(i,j+1,0)  : diph_flux_y(n_jp1);
              double fz_right  = (n_kp1 < 0) ? (cut_cell_disc.indic_pure(i,j,k+1) == phase)*flux_zmax(i,j,0) : diph_flux_z(n_kp1);
 
              double r = 0;
              r += fx_centre - fx_right;
              r += fy_centre - fy_right;
              r += fz_centre - fz_right;
 
              if (add)
                {
                  r += diph_resu(n);
                }
              diph_resu(n) = r;
            }
        }
    }
}