Masse_Multiphase.h

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#ifndef Masse_Multiphase_included
#define Masse_Multiphase_included
 
#include <Convection_Diffusion_std.h>
#include <Operateur_Evanescence.h>
#include <Operateur_Grad.h>
#include <TRUST_Ref.h>
 
class Fluide_base;
 
/*! @brief Specialisation of Convection_Diffusion_std for multiphase flows where the transported scalar
 *      is the volume fraction.
 *
 * @sa Conv_Diffusion_std
 */
class Masse_Multiphase : public Convection_Diffusion_std
{
  Declare_instanciable(Masse_Multiphase);
public :
  void set_param(Param& param) const override;
  int lire_motcle_non_standard(const Motcle&, Entree&) override;
  void associer_fluide(const Fluide_base& );
  inline const Champ_Inc_base& inconnue() const override;
  inline Champ_Inc_base& inconnue() override;
 
  void discretiser() override;
  const Milieu_base& milieu() const override;
  const Fluide_base& fluide() const;
  Fluide_base& fluide();
  Milieu_base& milieu() override;
  void associer_milieu_base(const Milieu_base& ) override;
  void completer() override;
 
  int nombre_d_operateurs() const override // no diffusion
  {
    return 1;
  }
  const Operateur& operateur(int) const override;
  Operateur& operateur(int) override;
 
  void dimensionner_matrice_sans_mem(Matrice_Morse& matrice) override;
 
  /*
    interface {dimensionner,assembler}_blocs
    specifics: evanescence is taken into account (last)
  */
  int has_interface_blocs() const override;
  void dimensionner_blocs(matrices_t matrices, const tabs_t& semi_impl = {}) const override;
  void assembler_blocs_avec_inertie(matrices_t matrices, DoubleTab& secmem, const tabs_t& semi_impl = {}) override;
 
  /* convected field: alpha * rho */
  static void calculer_alpha_rho(const Objet_U& obj, DoubleTab& val, DoubleTab& bval, tabs_t& deriv);
  std::pair<std::string, fonc_calc_t> get_fonc_champ_conserve() const override
  {
    return { "alpha_rho", calculer_alpha_rho };
  }
 
  static void calculer_alpha_rho_conv(const Objet_U& obj, DoubleTab& val, DoubleTab& bval, tabs_t& deriv);
  std::pair<std::string, fonc_calc_t> get_fonc_champ_convecte() const
  {
    return { "alpha_rho_conv", calculer_alpha_rho_conv };
  }
 
  Champ_Inc_base& champ_convecte() const override // by default the conserved field
  {
    return champ_convecte_.valeur();
  }
  int has_champ_convecte() const override
  {
    return bool(champ_convecte_);
  }
  void init_champ_convecte() const override; // to be called in the completer() of operators/sources that will need champ_convecte_
 
  /////////////////////////////////////////////////////
  const Motcle& domaine_application() const override;
 
  inline const Operateur_Grad& operateur_gradient_inconnue() const { return Op_Grad_;}
 
protected :
  OWN_PTR(Champ_Inc_base) l_inco_ch_;
  OBS_PTR(Fluide_base) le_fluide_;
  Operateur_Grad Op_Grad_; // To compute the gradient in VDF
  Operateur_Evanescence evanescence_;
 
private:
  void verifier_somme_alpha();
};
 
 
/*! @brief Returns the unknown field representing the unknown (alpha) (const version).
 *
 * @return (Champ_Inc_base&) the unknown field representing the volume fraction
 */
inline const Champ_Inc_base& Masse_Multiphase::inconnue() const
{
  return l_inco_ch_;
}
 
/*! @brief Returns the unknown field representing the unknown (alpha).
 *
 * @return (Champ_Inc_base&) the unknown field representing the volume fraction
 */
inline Champ_Inc_base& Masse_Multiphase::inconnue()
{
  return l_inco_ch_;
}
 
#endif /* Masse_Multiphase_included */