Sortie_libre_Text_H_ext.h

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#ifndef Sortie_libre_Text_H_ext_included
#define Sortie_libre_Text_H_ext_included
 
#include <TRUST_Ref.h>
#include <Neumann.h>
 
/*! @brief classe  Neumann_sortie_libre Cette classe represente une frontiere ouverte sans vitesse imposee
 *
 *     Pour les equations de Navier_Stokes on impose necessairement la pression sur une telle frontiere
 *     Pour traiter l'hydraulique, on derive donc de la classe Neumann_sortie_libre la classe Sortie_libre_pression_imposee
 *     Les conditions aux limites de type Neumann_sortie_libre ou des types derives se traduisent par des flux diffusifs nuls.
 *     En revanche, le traitement des flux convectifs impose de connaitre le champ convecte a l'exterieur de la frontiere en cas de re-entree
 *     de fluide. C'est pourquoi la classe porte un OWN_PTR(Champ_front_base) (membre le_champ_ext).
 *     Dans les operateurs de calcul, les conditions aux limites de type Neumann_sortie_libre et des types derives seront traites de maniere identique
 *
 * @sa Neumann
 */
class Sortie_libre_Text_H_ext: public Neumann
{
  Declare_instanciable(Sortie_libre_Text_H_ext);
public:
  virtual double val_ext(int i) const;
  virtual double val_ext(int i, int j) const;
  inline void bascule_cond_lim_en_enthalpie() { type_cond_lim = 1; }
  inline void bascule_cond_lim_en_temperature() { type_cond_lim = 0; }
  double flux_impose(int i) const override;
  double flux_impose(int i, int j) const override;
 
protected:
  OWN_PTR(Champ_front_base) le_champ_Text, le_champ_hext;
  int type_cond_lim = -1;
};
 
#endif