Op_NConserv_HLL_Coloc_Elem.cpp

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#include <Op_NConserv_HLL_Coloc_Elem.h>
#include <Interface_Baer_Nunziato.h>
#include <Conservation_Euler_base.h>
#include <Milieu_composite_Euler.h>
#include <Neumann_paroi_flux_nul.h>
#include <Coloc_Operator_tools.h>
#include <Entree_supersonique.h>
#include <Sortie_supersonique.h>
#include <Champ_Inc_P0_base.h>
#include <Fluide_reel_base.h>
#include <Domaine_Cl_Coloc.h>
#include <Momentum_Euler.h>
#include <Domaine_Coloc.h>
#include <Pb_Euler.h>
 
Implemente_instanciable(Op_NConserv_HLL_Coloc_Elem, "Op_NConserv_HLL_Coloc_Elem", Op_NConserv_Coloc_base);
 
Sortie& Op_NConserv_HLL_Coloc_Elem::printOn(Sortie& os) const { return Op_NConserv_Coloc_base::printOn(os); }
Entree& Op_NConserv_HLL_Coloc_Elem::readOn(Entree& is) { Op_NConserv_Coloc_base::readOn(is); return is;}
 
void Op_NConserv_HLL_Coloc_Elem::ajouter_blocs(matrices_t matrices, DoubleTab& secmem, const tabs_t& semi_impl) const
{
  const Domaine_Coloc& domaine = ref_cast(Domaine_Coloc, le_dom_coloc_.valeur());
  const DoubleVect& fs = domaine.face_surfaces();
  const IntTab& f_e = domaine.face_voisins();
  assert(secmem.line_size() == 2);
  const int nb_faces = domaine.nb_faces();
  DoubleTrav num_flux_left(nb_faces), num_flux_right(nb_faces);
 
  Abgral_scheme(num_flux_left, num_flux_right);
 
  for (int f = 0; f < nb_faces; f++)
    for (int i = 0; i < 2; i++)
      {
        int e = f_e(f, i);
        if (e >= 0 && e < domaine.nb_elem())
          {
            secmem(e, 0) -= (i ? num_flux_right(f) : num_flux_left(f)) * fs(f);
            secmem(e, 1) += (i ? num_flux_right(f) : num_flux_left(f)) * fs(f);
          }
      }
}
 
void Op_NConserv_HLL_Coloc_Elem::Abgral_scheme(DoubleTab& num_flux_left, DoubleTab& num_flux_right) const
{
  const Domaine_Coloc& domaine = ref_cast(Domaine_Coloc, le_dom_coloc_.valeur());
  const IntTab& f_e = domaine.face_voisins();
  const IntTab& fcl = ref_cast(Champ_Inc_P0_base, equation().inconnue()).fcl();
 
  const Pb_Euler& pb = ref_cast(Pb_Euler, equation().probleme());
  const Conservation_Euler_base& eq = ref_cast(Conservation_Euler_base, equation());
 
  const Interface_Baer_Nunziato& interface = ref_cast(Interface_Baer_Nunziato, ref_cast(Milieu_composite_Euler,pb.milieu()).interface_phase());
  const int n = interface.id_phase_vitesse_inter();
  const int m = interface.id_phase_pression_inter();
  const int nb_phases = pb.nb_phases();
 
  const DoubleTab& alpha = pb.equation_fraction().inconnue().valeurs();
  const DoubleTab& vit_n = pb.equation_qdm().vitesse_normale();
  const DoubleTab& p = pb.equation_qdm().pression().valeurs();
  const DoubleTab& c = pb.equation_qdm().vitesse_son();
 
  const Conds_lim& cls = equation().domaine_Cl_dis().les_conditions_limites();
  const Conds_lim& cls_alpha = pb.equation_fraction().domaine_Cl_dis().les_conditions_limites();
 
  // faces internes
  if (sub_type(Fraction_Euler, equation()))
    {
      for (int f = 0; f < domaine.nb_faces(); f++)
        if (fcl(f, 0) == 0)
          {
            const int el = f_e(f, 0), er = f_e(f, 1);
            double Sm = 0., Sp = 0., un_l = 0.;
            compute_non_conservative_hll_left_bounds(vit_n, c, f, el, er, m, n, nb_phases, Sm, Sp, un_l);
 
            num_flux_left(f) = (Sp * alpha(el, 0) - Sm * alpha(er, 0)) * un_l + Sp * Sm * (alpha(er, 0) - alpha(el, 0));
            num_flux_left(f) /= (Sp - Sm);
 
            compute_non_conservative_hll_right_bounds(vit_n, c, f, el, er, m, n, nb_phases, Sm, Sp, un_l);
 
            num_flux_right(f) = (Sp * alpha(er, 0) - Sm * alpha(el, 0)) * un_l + Sp * Sm * (alpha(el, 0) - alpha(er, 0));
            num_flux_right(f) /= (Sp - Sm);
          }
    }
  else if (sub_type(Energy_Euler, equation()))
    {
      for (int f = 0; f < domaine.nb_faces(); f++)
        if (fcl(f, 0) == 0)
          {
            const int el = f_e(f, 0), er = f_e(f, 1);
            double Sm = 0., Sp = 0., un_l = 0.;
            compute_non_conservative_hll_left_bounds(vit_n, c, f, el, er, m, n, nb_phases, Sm, Sp, un_l);
 
            num_flux_left(f) = (Sp * alpha(el, 0) - Sm * alpha(er, 0)) * un_l * p(el, m);
            num_flux_left(f) /= -(Sp - Sm);
 
            compute_non_conservative_hll_right_bounds(vit_n, c, f, el, er, m, n, nb_phases, Sm, Sp, un_l);
 
            num_flux_right(f) = (Sp * alpha(er, 0) - Sm * alpha(el, 0)) * un_l * p(er, m);
            num_flux_right(f) /= -(Sp - Sm);
          }
    }
  else
    {
      Cerr << "Op_NConserv_HLL_Coloc_Elem should not be used for equation " << equation().que_suis_je() << finl;
      Process::exit();
    }
 
  // faces bords
  flux_bords_.resize(domaine.nb_faces_bord(), 1);
  flux_bords_ = 0.;
 
  for (int f = 0; f < domaine.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); // domaine_poly_base ...
        const int e = f_e(f, 0);
 
        if (sub_type(Sortie_supersonique, cls[fcl(f, 1)].valeur()))
          {
            num_flux_left(f) = eq.termes_NonConservatif(alpha(e, 0), vit_n(f, n), p(e, m));
            flux_bords_(f, 0) = num_flux_left(f) * domaine.face_surfaces(f);
          }
        else if (sub_type(Entree_supersonique, cls[fcl(f, 1)].valeur())) // Dirichlet  : 6
          {
            const double alpha_bord = ref_cast(Dirichlet, cls_alpha[fcl(f, 1)].valeur()).val_imp(fcl(f, 2), 0);
            num_flux_left(f) = eq.termes_NonConservatif(alpha_bord, vit_n(f, n), p(e, m));
            flux_bords_(f, 0) = num_flux_left(f) * domaine.face_surfaces(f);
          }
        else if (sub_type(Neumann_paroi_flux_nul, cls[fcl(f, 1)].valeur())) //Neumann_homogene : 5
          {
            num_flux_left(f) = eq.termes_NonConservatif(alpha(e, 0), vit_n(f, n), p(e, m));
            flux_bords_(f, 0) = num_flux_left(f) * 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();
          }
      }
}