Op_Conv_Coloc_Elem_base.cpp

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#include <Op_Conv_Coloc_Elem_base.h>
#include <Conservation_Euler_base.h>
#include <Neumann_paroi_flux_nul.h>
#include <Milieu_composite_Euler.h>
#include <Sortie_supersonique.h>
#include <Entree_supersonique.h>
#include <Champ_Inc_P0_base.h>
#include <Fluide_reel_base.h>
#include <Domaine_Cl_Coloc.h>
#include <Domaine_Coloc.h>
#include <Pb_Euler.h>
#include <array>
 
Implemente_base(Op_Conv_Coloc_Elem_base,"Op_Conv_Coloc_Elem_base",Op_Conv_Coloc_base);
 
Sortie& Op_Conv_Coloc_Elem_base::printOn(Sortie& os) const { return Op_Conv_Coloc_base::printOn(os); }
Entree& Op_Conv_Coloc_Elem_base::readOn(Entree& is) { Op_Conv_Coloc_base::readOn(is);  return is; }
 
void Op_Conv_Coloc_Elem_base::Riemann_solver(DoubleTab& num_flux) const
{
  const Domaine_Coloc& domaine = ref_cast(Domaine_Coloc, le_dom_coloc_.valeur());
  const Pb_Euler& pb = ref_cast(Pb_Euler, equation().probleme());
  const DoubleTab& w = le_champ_inco->valeurs();
  const Conds_lim& cls = le_dcl_coloc_->les_conditions_limites();
  const IntTab& f_e = domaine.face_voisins();
  const IntTab& fcl = ref_cast(Champ_Inc_P0_base, equation().inconnue()).fcl();
  const DoubleTab& alpha = pb.equation_fraction().inconnue().valeurs();
  const Conservation_Euler_base& eq = ref_cast(Conservation_Euler_base, equation());
  const DoubleTab& vit_n = pb.equation_qdm().vitesse_normale();
  const DoubleTab& p = pb.equation_qdm().pression().valeurs();
  const int nb_phases = pb.nb_phases();
  const int nb_faces = domaine.nb_faces();
 
  // compute left/right fluxes on internal faces
  DoubleTrav flux_l(nb_faces, num_flux.line_size()), flux_r(nb_faces, num_flux.line_size());
  assert(flux_l.line_size() == nb_phases);
  assert(flux_r.line_size() == nb_phases);
 
  if (sub_type(Fraction_Euler, equation()))
    {
      /* Do nothing */
    }
  else if (sub_type(Energy_Euler, equation()))
    {
      const DoubleTab& alpha_rhoE = pb.equation_energie().inconnue().valeurs();
      for (int f = 0; f < nb_faces; f++)
        if (fcl(f, 0) == 0)
          {
            const int el = f_e(f, 0), er = f_e(f, 1);
            for (int n = 0; n < nb_phases; n++)
              {
                flux_l(f, n) = (alpha_rhoE(el, n) + alpha(el, n) * p(el, n)) * vit_n(f, n);
                flux_r(f, n) = (alpha_rhoE(er, n) + alpha(er, n) * p(er, n)) * vit_n(f, n + nb_phases);
              }
          }
    }
  else if (sub_type(Density_Euler, equation()))
    {
      const DoubleTab& alpha_rho = pb.equation_masse().inconnue().valeurs();
      for (int f = 0; f < nb_faces; f++)
        if (fcl(f, 0) == 0)
          {
            const int el = f_e(f, 0), er = f_e(f, 1);
 
            for (int n = 0; n < nb_phases; n++)
              {
                flux_l(f, n) = alpha_rho(el, n) * vit_n(f, n);
                flux_r(f, n) = alpha_rho(er, n) * vit_n(f, n + nb_phases);
              }
          }
    }
  else
    {
      Cerr << "Op_NConserv_HLL_Coloc_Elem should not be used for equation " << equation().que_suis_je() << finl;
      Process::exit();
    }
 
  // fill num_fluxe on internal faces
  scheme(num_flux, flux_l, flux_r);
 
  // Boundary faces treatement
  flux_bords_.resize(domaine.nb_faces_bord(), num_flux.line_size());
  flux_bords_ = 0.;
 
  for (int f = 0; f < nb_faces; f++)
    if (fcl(f, 0) != 0)
      {
        assert (f_e(f, 1) < 0 && f_e(f, 0) >= 0 && vit_n(f, 0) != -123.123);
        const int e = f_e(f, 0);
 
        //utility arrays for boundary conditions: fcl(f, .) = (BC type, BC index, index within BC)
        //BC types: 0 -> no BC
        //          1 -> Echange_externe_impose
        //          2 -> Echange_global_impose
        //          3 -> Echange_contact_Coloc
        //          4 -> Neumann_paroi
        //          5 -> Neumann_val_ext or Neumann_homogene or Symetrie
        //          6 -> Dirichlet
        //          7 -> Dirichlet_homogene
 
        std::array<double, 3> normal { 0., 0., 0. };
        for (int d = 0; d < Objet_U::dimension; d++)
          normal[d] = domaine.face_normales(f, d) / domaine.face_surfaces(f);
 
        if (sub_type(Sortie_supersonique, cls[fcl(f, 1)].valeur())) //Neumann_val_ext : 5
          {
            for (int n = 0; n < nb_phases; n++)
              {
                num_flux(f, n) = eq.flux_bord(w(e, n), vit_n(f, n), alpha(e, n) * p(e, n));
                flux_bords_(f, n) = num_flux(f, n) * domaine.face_surfaces(f);
              }
          }
        else if (sub_type(Neumann_paroi_flux_nul, cls[fcl(f, 1)].valeur())) //Neumann_homogene : 5
          {
            for (int n = 0; n < nb_phases; n++)
              num_flux(f, n) = 0.;
          }
        else if (sub_type(Entree_supersonique, cls[fcl(f, 1)].valeur())) // Dirichlet  : 6
          {
            const Conds_lim& cls_alpha = pb.equation_fraction().domaine_Cl_dis().les_conditions_limites();
            const Conds_lim& cls_rho = pb.equation_masse().domaine_Cl_dis().les_conditions_limites();
            const Conds_lim& cls_qdm = pb.equation_qdm().domaine_Cl_dis().les_conditions_limites();
            const Conds_lim& cls_p = pb.equation_energie().domaine_Cl_dis().les_conditions_limites();
 
            for (int n = 0; n < nb_phases; n++)
              {
                std::array<double, 3> vitesse_bord { 0., 0., 0. };
                double vitesse_normale_bord = 0;
                double norme_vitesse = 0;
                const double alpha_bord = ref_cast(Dirichlet, cls_alpha[fcl(f, 1)].valeur()).val_imp(fcl(f, 2), n);
                const double p_bord = ref_cast(Dirichlet, cls_p[fcl(f, 1)].valeur()).val_imp(fcl(f, 2), n);
                const double rho_bord = ref_cast(Dirichlet, cls_rho[fcl(f, 1)].valeur()).val_imp(fcl(f, 2), n);
 
                for (int d = 0; d < Objet_U::dimension; d++)
                  {
                    vitesse_bord[d] = ref_cast(Dirichlet, cls_qdm[fcl(f, 1)].valeur()).val_imp(fcl(f, 2), n + nb_phases * d);
                    vitesse_normale_bord += vitesse_bord[d] * normal[d];
                    norme_vitesse += vitesse_bord[d] * vitesse_bord[d];
                  }
                /* TODO a refaire */
                const Fluide_reel_base& phase = ref_cast(Fluide_reel_base, ref_cast(Milieu_composite_Euler,eq.milieu()).get_fluid(n));
                const double inco_bord = (!(sub_type(Energy_Euler, equation()))) ? alpha_bord * rho_bord : alpha_bord * phase.init_energie_tot(rho_bord, norme_vitesse, p_bord);
                num_flux(f, n) = eq.flux_bord(inco_bord, vitesse_normale_bord, alpha_bord * p_bord);
                flux_bords_(f, n) = num_flux(f, n) * domaine.face_surfaces(f);
              }
          }
        else
          {
            Cerr << "The BC of type " << fcl(f, 0) << "for the equation " << eq.que_suis_je() << " is not available \n";
            Process::exit();
          }
      }
}