Sortie_libre_Gradient_Pression_impose_VEF.h

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#ifndef Sortie_libre_Gradient_Pression_impose_VEF_included
#define Sortie_libre_Gradient_Pression_impose_VEF_included
 
#include <Neumann_sortie_libre.h>
#include <TRUST_Ref.h>
 
class Champ_P0_VEF;
class Domaine_VEF;
 
/*! @brief Sortie_libre_Gradient_Pression_impose_VEF
 *
 *  This class derives from the class Neumann_sortie_libre.
 *
 *     It represents an open boundary with an imposed pressure gradient condition.
 *     The object of type OWN_PTR(Champ_front_base) le_champ_front contains the imposed gradient. The flux_impose() function returns
 *     an external pressure value computed from the imposed pressure gradient and the interior pressure.
 *
 */
class Sortie_libre_Gradient_Pression_impose_VEF: public Neumann_sortie_libre
{
  Declare_instanciable(Sortie_libre_Gradient_Pression_impose_VEF);
public:
  double flux_impose(int) const override;
  double flux_impose(int, int) const override;
 
protected:
  OBS_PTR(Domaine_VEF) le_dom_VEF;
  OBS_PTR(Champ_P0_VEF) pression_interne;
  DoubleVect trace_pression_int;   // internal pressure on the boundary cells
  DoubleVect coeff;
};
 
#endif