Op_Conv_Rusanov_Coloc_Elem.cpp

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#include <Op_Conv_Rusanov_Coloc_Elem.h>
#include <Conservation_Euler_base.h>
#include <Milieu_composite_Euler.h>
#include <Coloc_Operator_tools.h>
#include <Champ_Inc_P0_base.h>
#include <Domaine_Cl_Coloc.h>
#include <Fluide_reel_base.h>
#include <Momentum_Euler.h>
#include <Domaine_Coloc.h>
#include <Pb_Euler.h>
 
Implemente_instanciable(Op_Conv_Rusanov_Coloc_Elem,"Op_Conv_Rusanov_Coloc_Elem",Op_Conv_Coloc_Elem_base);
 
Sortie& Op_Conv_Rusanov_Coloc_Elem::printOn(Sortie& os) const { return Op_Conv_Coloc_base::printOn(os); }
Entree& Op_Conv_Rusanov_Coloc_Elem::readOn(Entree& is) {  Op_Conv_Coloc_base::readOn(is); return is;}
 
inline void Op_Conv_Rusanov_Coloc_Elem::scheme(DoubleTab& num_flux, const DoubleTab& flux_l, const DoubleTab& flux_r) const
{
  const Domaine_Coloc& domaine = ref_cast(Domaine_Coloc, le_dom_coloc_.valeur());
  const Conservation_Euler_base& eq = ref_cast(Conservation_Euler_base, equation());
  const IntTab& f_e = domaine.face_voisins();
  const IntTab& fcl = ref_cast(Champ_Inc_P0_base, equation().inconnue()).fcl();
  const DoubleTab& vit_n = ref_cast(Momentum_Euler, equation().probleme().equation(0)).vitesse_normale();
  const int nb_phases = ref_cast(Pb_Euler,eq.probleme()).nb_phases();
  const DoubleTab& c = ref_cast(Momentum_Euler,equation().probleme().equation(0)).vitesse_son();
  const DoubleTab& w = le_champ_inco->valeurs();
 
  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);
        for (int n = 0; n < nb_phases; n++)
          {
            const double s = compute_rusanov_speed(vit_n, c, f, el, er, n, nb_phases);
            num_flux(f, n) = 0.5 * (flux_l(f, n) + flux_r(f, n)) - s * 0.5 * (w(er, n) - w(el, n));
          }
      }
}