Op_NConserv_HLL_Coloc_Vect.cpp

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#include <Op_NConserv_HLL_Coloc_Vect.h>
#include <Interface_Baer_Nunziato.h>
#include <Conservation_Euler_base.h>
#include <Milieu_composite_Euler.h>
#include <Coloc_Operator_tools.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 <Dirichlet.h>
#include <Pb_Euler.h>
#include <array>
 
Implemente_instanciable(Op_NConserv_HLL_Coloc_Vect, "Op_NConserv_HLL_Coloc_Vect", Op_NConserv_Coloc_base);
 
Sortie& Op_NConserv_HLL_Coloc_Vect::printOn(Sortie& os) const { return Op_NConserv_Coloc_base::printOn(os); }
Entree& Op_NConserv_HLL_Coloc_Vect::readOn(Entree& is) { Op_NConserv_Coloc_base::readOn(is); return is;}
 
void Op_NConserv_HLL_Coloc_Vect::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() / Objet_U::dimension == 2);
 
  const int N = domaine.nb_faces();
  DoubleTrav num_flux_left(N, Objet_U::dimension);
  DoubleTrav num_flux_right(N, Objet_U::dimension);
 
  Abgral_scheme(num_flux_left, num_flux_right);
 
  for (int f = 0; f < N; f++)
    for (int i = 0; i < 2; i++)
      {
        const int e = f_e(f, i);
        if (e >= 0 && e < domaine.nb_elem())
          {
            double val = (i ? num_flux_right(f, 0) : num_flux_left(f, 0)) * fs(f);
            secmem(e, 0) -= val;
            secmem(e, 1) += val;
            val = (i ? num_flux_right(f, 1) : num_flux_left(f, 1)) * fs(f);
            secmem(e, 2) -= val;
            secmem(e, 3) += val;
          }
      }
}
 
void Op_NConserv_HLL_Coloc_Vect::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 Momentum_Euler& eq = ref_cast(Momentum_Euler, equation());
  const DoubleTab& vit_n = eq.vitesse_normale();
  const DoubleTab& p = eq.pression().valeurs();
 
  const Pb_Euler& pb = ref_cast(Pb_Euler, equation().probleme());
  const DoubleTab& alpha = pb.equation_fraction().inconnue().valeurs();
  const DoubleTab& c = pb.equation_qdm().vitesse_son();
 
  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_phase = pb.nb_phases();
 
  flux_bords_.resize(domaine.nb_faces_bord(), num_flux_left.line_size());
  flux_bords_ = 0.;
 
  for (int f = 0; f < domaine.nb_faces(); f++)
    {
      const int el = f_e(f, 0), er = f_e(f, 1);
      if (fcl(f, 0) == 0) // faces internes
        {
          double Sm = 0., Sp = 0., un_l = 0.;
          compute_non_conservative_hll_left_bounds(vit_n, c, f, el, er, m, n, nb_phase, Sm, Sp, un_l);
          for (int d = 0; d < Objet_U::dimension; d++)
            {
              double n_d = domaine.face_normales(f, d) / domaine.face_surfaces(f);
              num_flux_left(f, d) = (Sp * alpha(el, 0) - Sm * alpha(er, 0)) * p(el, m) * n_d;
              num_flux_left(f, d) /= -(Sp - Sm);
            }
 
          compute_non_conservative_hll_right_bounds(vit_n, c, f, el, er, m, n, nb_phase, Sm, Sp, un_l);
 
          for (int d = 0; d < Objet_U::dimension; d++)
            {
              double n_d = -domaine.face_normales(f, d) / domaine.face_surfaces(f);
              num_flux_right(f, d) = (Sp * alpha(er, 0) - Sm * alpha(el, 0)) * p(er, m) * n_d;
              num_flux_right(f, d) /= -(Sp - Sm);
            }
        }
      else // faces bords
        {
          //lookup arrays for boundary conditions: fcl(f, .) = { BC type, BC index, face index within BC }
          //BC types: 0 -> no BC
          //          1 -> Neumann
          //          2 -> Navier or symmetry
          //          3 -> Dirichlet or Neumann_homogene
          //          4 -> Dirichlet_homogene
          //          5 -> Periodique
 
          assert(er < 0 && el >= 0 && vit_n(f, 0) != -123.123);
          const int e = el;
 
          const Conds_lim& cls_qdm = pb.equation_qdm().domaine_Cl_dis().les_conditions_limites();
          const Conds_lim& cls_alpha = pb.equation_fraction().domaine_Cl_dis().les_conditions_limites();
 
          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_qdm[fcl(f, 1)].valeur()))
            {
              const double alpha_bord = alpha(e, 0);
              for (int d = 0; d < Objet_U::dimension; d++)
                {
                  num_flux_left(f, d) = -alpha_bord * p(e, m) * normal[d];
                  flux_bords_(f, d) = num_flux_left(f, d) * domaine.face_surfaces(f);
                }
            }
          else if (sub_type(Dirichlet, cls_qdm[fcl(f, 1)].valeur()))
            {
              const double alpha_bord = ref_cast(Dirichlet, cls_alpha[fcl(f, 1)].valeur()).val_imp(fcl(f, 2), 0);
              for (int d = 0; d < Objet_U::dimension; d++)
                {
                  num_flux_left(f, d) = -alpha_bord * p(e, m) * normal[d];
                  flux_bords_(f, d) = num_flux_left(f, d) * domaine.face_surfaces(f);
                }
            }
          else if ( sub_type(Symetrie,cls_qdm[fcl(f, 1)].valeur()) && !sub_type(Sortie_supersonique, cls_qdm[fcl(f, 1)].valeur()))
            {
              //Slip wall : u_n=-u_n
              const double alpha_bord = alpha(e, 0);
              for (int d = 0; d < Objet_U::dimension; d++)
                {
                  num_flux_left(f, d) = -alpha_bord * p(e, m) * normal[d];
                  flux_bords_(f, d) = num_flux_left(f, d) * 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();
            }
        }
    }
}