Perte_Charge_Isotrope_VEF_P1NC.h

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#ifndef Perte_Charge_Isotrope_VEF_P1NC_included
#define Perte_Charge_Isotrope_VEF_P1NC_included
 
#include <Perte_Charge_VEF.h>
 
//!  Isotropic pressure drop (proportional to -u)
/**
   du/dt = - lambda(Re,x,y,z,t) * u * ||u|| / 2 Dh
 
   Reading of arguments:
 
   Perte_Charge_Isotrope_VEF_P1NC hydraulic_diameter {
   lambda expression(Re,x,y,z,t)
   diam_hydr champ_don
   [sous_domaine nom]
   }
*/
 
class Perte_Charge_Isotrope_VEF_P1NC : public Perte_Charge_VEF
{
  Declare_instanciable(Perte_Charge_Isotrope_VEF_P1NC);
 
public:
 
  void mettre_a_jour(double temps) override
  {
    diam_hydr->mettre_a_jour(temps);
  }
 
protected:
 
  //! Implements the effective computation of the pressure drop at a given location
  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