Perte_Charge_VEF.h

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#ifndef Perte_Charge_VEF_included
#define Perte_Charge_VEF_included
 
#include <Terme_Source_Qdm.h>
#include <Source_base.h>
#include <TRUST_Ref.h>
#include <Parser_U.h>
#include <Champ_Don_base.h>
 
class Sous_domaine_VF;
class Domaine_Cl_VEF;
class Champ_Inc_base;
class Domaine_VEF;
class Fluide_base;
class Param;
 
//! Factorise les fonctionnalites de plusieurs pertes de charge en VEF, vitesse aux faces
/**
   Perte_Charge_Isotrope, Perte_Charge_Directionnelle et
   Perte_Charge_Anisotrope heritent de Perte_Charge_VEF. Elles
   doivent surcharger essentiellement readOn() et perte_charge().
   readOn() est suppose lire au moins diam_hydr et sous_domaine.
 
   Ces classes sont censees remplacer Perte_Charge_VEF_Face
   et Perte_Charge_VEF_P1NC.
*/
 
class Perte_Charge_VEF : public Source_base, public Terme_Source_Qdm
{
  Declare_base(Perte_Charge_VEF);
 
public:
  DoubleTab& ajouter(DoubleTab& ) const override; //!< Appelle perte_charge pour chaque face ou cela est necessaire
  void contribuer_a_avec(const DoubleTab&, Matrice_Morse&) const override ;
  DoubleTab& calculer(DoubleTab& ) const override ;
  void associer_pb(const Probleme_base&) override;  //!< associe le_fluide et la_vitesse
  void completer() override;
 
protected:
  virtual void set_param(Param& param) const override;
  int lire_motcle_non_standard(const Motcle&, Entree&) override;
  void associer_domaines(const Domaine_dis_base&,const Domaine_Cl_dis_base&) override;   //!< associe le_dom_VEF et le_dom_Cl_VEF
 
  //! Appele pour chaque face par ajouter()
  /**
     Utilise les intermediaires de calcul : u, norme_u, dh_valeur, reynolds
     Retourne le resultat calcule dans p_charge.
 
     Avantage : bonne factorisation.
     Inconvenient : cout de l'appel d'une methode virtuelle a
     l'interieur d'une boucle.
 
     \param u La vitesse a la face courante. 2 ou 3 composantes
     \param pos toto
     \param t titi
     \param norme_u La norme de la vitesse a la face courante
     \param dh Le diametre hydraulique a la face courante (tire de diam_hydr)
     \param nu la viscosite cinematique
     \param reynolds Le nombre de reynolds a la face courante : norme_u * dh_valeur / nu
     \param coeff_ortho coefficient dans la direction orthogonale
     \param coeff_long coefficient dans la direction longitudinale
     \param u_l vitesse dans la direction longitudinale
     \param v_valeur direction_longitudinale p_charge a 2 ou 3 composantes
     La perte de charge vaut -coeff_long*u_l*v_valeur -coeff_ortho(u -u_v*v_valeur)
  */
  virtual 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=0;
 
  //! Diametre hydraulique utilise dans le calcul de la perte de charge
  OWN_PTR(Champ_Don_base) diam_hydr;
  //! Fluide associe au probleme
  OBS_PTR(Fluide_base) le_fluide;
  //! Vitesse associee a l'equation resolue
  OBS_PTR(Champ_Inc_base) la_vitesse;
  //! Domaine dans laquelle s'applique la perte de charge
  OBS_PTR(Domaine_VEF) le_dom_VEF;
  OBS_PTR(Domaine_Cl_VEF) le_dom_Cl_VEF;
 
  // Cas d'un sous-domaine
  bool sous_domaine=false; //!< Le terme est-il limite a un sous-domaine ?
  Nom nom_sous_domaine; //!< Nom du sous-domaine, initialise dans readOn()
  OBS_PTR(Sous_domaine_VF) le_sous_domaine_dis; //!< Initialise dans completer()
  int implicite_;
 
  mutable Parser_U lambda;
};
 
#endif