Convection_Diffusion_std.h

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#ifndef Convection_Diffusion_std_included
#define Convection_Diffusion_std_included
 
#include <Schema_Temps_base.h>
#include <Operateur_Conv.h>
#include <Operateur_Diff.h>
#include <Equation_base.h>
#include <TRUST_Ref.h>
 
 
class Champ_Inc_base;
 
/*! @brief classe Convection_Diffusion_std Cette classe est la base des equations modelisant le transport
 *
 *      d'un scalaire.
 *      Cette classe porte les termes communs a l'equation
 *      de transport d'un scalaire en regime laminaire.
 *      On se place sous l'hypothese de fluide incompressible.
 *          DT/dt = div(terme visqueux) + termes sources/rho_0
 *      avec DT/dt : derivee particulaire du scalaire
 *      Rq: l'implementation de la classe permet bien sur de negliger
 *          certains termes de l'equation (le terme diffusif,
 *          le terme convectif,tel ou tel terme source).
 *
 * @sa Equation_base, Classe abstraite, Methodes abstraites:, Entree& lire(const Motcle&, Entree&), const Champ_Inc_base& inconnue() const, Champ_Inc_base& inconnue()
 */
class Convection_Diffusion_std : public Equation_base
{
  Declare_base(Convection_Diffusion_std);
 
public :
 
  void set_param(Param& titi) const override;
  int lire_motcle_non_standard(const Motcle&, Entree&) override;
  int nombre_d_operateurs() const override;
  const Operateur& operateur(int) const override;
  Operateur& operateur(int) override;
  inline void associer_vitesse(const Champ_base& );
  inline const Champ_Inc_base& vitesse_transportante() const;
  const Champ_Inc_base& inconnue() const override =0;
  Champ_Inc_base& inconnue() override =0;
  virtual const Champ_Don_base& diffusivite_pour_transport() const;
  virtual const Champ_base& diffusivite_pour_pas_de_temps() const;
  virtual const Champ_base& vitesse_pour_transport() const;
  // E. Saikali : Methodes utiles pour un heritage V
  int sauvegarder_base(Sortie&) const;
  int reprendre_base(Entree&);
  std::vector<YAML_data> data_a_sauvegarder_base() const;
 
protected :
 
  OBS_PTR(Champ_Inc_base) la_vitesse_transportante;
  Operateur_Conv terme_convectif;
  Operateur_Diff terme_diffusif;
  int idx_phase_transportante_ = -1;
};
 
 
/*! @brief Renvoie une reference sur le champ representant la vitesse transportante.
 *
 * @return (Champ_Inc_base&) le champ representant la vitesse transportante
 */
inline const Champ_Inc_base& Convection_Diffusion_std::vitesse_transportante() const
{
  return la_vitesse_transportante.valeur();
}
 
 
/*! @brief Associe la vitesse transportante a l'equation.
 *
 * @param (Champ_Inc_base& vit) le champ a affecter a la vitesse transportante
 */
inline void Convection_Diffusion_std::associer_vitesse(const Champ_base& vit)
{
  la_vitesse_transportante = ref_cast(Champ_Inc_base,vit);
}
#endif