Momentum_Euler.h

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#ifndef Momentum_Euler_included
#define Momentum_Euler_included
 
#include <Operateur_NConserv.h>
#include <Navier_Stokes_std.h>
 
class Momentum_Euler : public Navier_Stokes_std
{
  Declare_instanciable(Momentum_Euler);
public :
 
  // overload to do nothing
  void discretiser_grad_p() override { }
  void discretiser_vitesse() override { }
 
  // overload to skip mother class
  void mettre_a_jour(double temps) override { Equation_base::mettre_a_jour(temps); }
  int has_interface_blocs() const override { return Equation_base::has_interface_blocs(); }
  int impr(Sortie& os) const override { return Equation_base::impr(os); }
  int preparer_calcul() override;
 
  // overload to change behavior
  Entree& lire_cond_init(Entree&) override; //to read the pressure
  void discretiser() override;
  void set_param(Param& param) const override;
  void completer() override;
  void abortTimeStep() override;
  void creer_champ(const Motcle& motlu) override;
  void get_noms_champs_postraitables(Noms& nom,Option opt=NONE) const override;
  void mettre_a_jour_champs_conserves(double temps, int reset) override;
  void verifie_ch_init_nb_comp(const Champ_Inc_base& ch_ref, const int nb_comp) const override;
 
  int lire_motcle_non_standard(const Motcle&, Entree&) override;
  int sauvegarder(Sortie& os) const override;
  double calculer_pas_de_temps() const override ;
 
  bool initTimeStep(double dt) override;
  DoubleTab& corriger_derivee_expl(DoubleTab& derivee) override { return derivee; }
  DoubleTab& corriger_derivee_impl(DoubleTab& derivee) override { return derivee; }
  const Champ_Don_base& diffusivite_pour_transport() const override;
  const Champ_base& diffusivite_pour_pas_de_temps() const override;
 
  const Operateur& operateur(int) const override;
  Operateur& operateur(int) override;
 
  // new methods
  void mettre_a_jour_p_c();
  void calculer_vitesse_normale();
  void calculer_vitesse();
  void init_alpha_rho_u();
 
  double alpha_res() const ;
  const Champ_Inc_base& vitesse_phase(const int i) const;
  Champ_Inc_base& vitesse_phase(const int i) ;
 
  // inline methods
  inline int nombre_d_operateurs() const override { return 2; }
  inline const DoubleTab& vitesse_son() const { return vitesse_son_; }
  inline DoubleTab& vitesse_son() { return vitesse_son_; }
  inline const DoubleTab& vitesse_normale() const { return vitesse_normale_; } ;
  inline DoubleTab& vitesse_normale() { return vitesse_normale_; } ;
  inline const Champ_Inc_base& inconnue() const override { return l_inco_ch_.valeur(); }
  inline Champ_Inc_base& inconnue() override { return l_inco_ch_.valeur(); }
  inline const Champ_Inc_base& vitesse() const override { return la_vitesse.valeur(); }
  inline Champ_Inc_base& vitesse() override { return la_vitesse.valeur(); }
 
protected:
  OWN_PTR(Champ_Inc_base) l_inco_ch_;
  DoubleTab vitesse_son_, vitesse_normale_;
 
  std::vector<OWN_PTR(Champ_Inc_base)> vit_phases_; //vitesses de chaque phase
  Motcles noms_vit_phases_; //leurs noms
 
  Operateur_NConserv terme_nconserv_;
};
 
#endif /* Momentum_Euler_included */