Perte_Charge_Isotrope_VDF_Face.h

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#ifndef Perte_Charge_Isotrope_VDF_Face_included
#define Perte_Charge_Isotrope_VDF_Face_included
 
#include <Perte_Charge_VDF_base.h>
 
//!  Perte de charge isotrope (proportionnelle a -u )
/**
 du/dt = - lambda(Re,x,y,z,t) * u * ||u|| / 2 Dh
 
 Lecture des arguments :
 
 Perte_Charge_Isotrope_VDF_Face diametre_hydraulique {
 lambda expression(Re,x,y,z,t)
 diam_hydr champ_don
 [sous_domaine nom]
 }
 */
 
class Perte_Charge_Isotrope_VDF_Face: public Perte_Charge_VDF_base
{
  Declare_instanciable(Perte_Charge_Isotrope_VDF_Face);
public:
  void mettre_a_jour(double temps) override { diam_hydr->mettre_a_jour(temps); }
 
protected:
 
  //! Implemente le calcul effectif de la perte de charge pour un lieu donne
  void coeffs_perte_charge(const DoubleVect& u, const DoubleVect& pos, double t, double norme_u, double dh, double nu, double reynolds, double& coeff_ortho, double& coeff_long, double& u_l,
                           DoubleVect& v_valeur) const override;
};
 
#endif /* Perte_Charge_Isotrope_VDF_Face_included */