Marqueur_Lagrange_base.h

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#ifndef Marqueur_Lagrange_base_included
#define Marqueur_Lagrange_base_included
 
#include <Champs_compris_interface.h>
#include <Champ_Fonc_base.h>
#include <Champs_compris.h>
 
class Ensemble_Lagrange_base;
class Probleme_base;
class Discretisation_base;
 
/*! @brief classe Marqueur_Lagrange_base La classe Marqueur_Lagange_base est la classe de base des classes de marqueurs
 *
 *      Actuellement une seule classe instanciable derivant : Marqueur_FT
 *      Un marqueur est destine a suivre le mouvement du fluide en integrant la trajectoire
 *      d un ensemble de particules a partir de la vitesse (interpolee) du fluide.
 *      -l ensemble des points suivis est attribut de Marqueur_FT car de type Maillage_FT_Disc
 *      -le postraitement est realise sur le nombre de particules par maille (densite_particules_)
 *       ou sur le nuage de points
 *      -l integration est demarree a partir d un temps t_debut_integr_ fixe par l utilisateur
 *         ou egal a t_init par defaut
 *
 * @sa Classe abstraite., Methodes abstraites:, Ensemble_Lagrange_base&  ensemble_points(), void calculer_valeurs_champs()
 */
class Marqueur_Lagrange_base: public Champs_compris_interface, public Objet_U
{
  Declare_base_sans_constructeur(Marqueur_Lagrange_base);
 
public :
 
  Marqueur_Lagrange_base();
  virtual Ensemble_Lagrange_base& ensemble_points() = 0;
  virtual const Ensemble_Lagrange_base& ensemble_points() const = 0;
  virtual void calculer_valeurs_champs() = 0;
  const inline double& temps_debut_integration() const;
  virtual void discretiser(const Probleme_base& pb, const  Discretisation_base& dis);
  virtual void mettre_a_jour(double temps);
 
  //Methodes de l interface des champs postraitables
  /////////////////////////////////////////////////////
  void creer_champ(const Motcle& motlu) override { }
  const Champ_base& get_champ(const Motcle& nom) const override;
  void get_noms_champs_postraitables(Noms& nom,Option opt=NONE) const override;
  bool has_champ(const Motcle& nom, OBS_PTR(Champ_base) &ref_champ) const override;
  bool has_champ(const Motcle& nom) const override;
  /////////////////////////////////////////////////////
 
protected :
 
  OWN_PTR(Champ_Fonc_base)  densite_particules_; //Exprime le nombre de particules par maille
  double t_debut_integr_;            //Temps de debut d integration des trajectoires
 
private :
 
  Champs_compris champs_compris_;
 
};
 
const double& Marqueur_Lagrange_base::temps_debut_integration() const
{
  return t_debut_integr_;
}
 
#endif