Op_Diff_VEF_Face_Stab.h

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#ifndef Op_Diff_VEF_Face_Stab_included
#define Op_Diff_VEF_Face_Stab_included
 
#include <Op_Diff_VEF_Face.h>
 
/*! @brief class Op_Diff_VEF_Face_Stab
 *
 *  @brief This class represents the diffusion operator with VEF discretization.
 *         The diffused field is scalar.
 *
 */
 
class Op_Diff_VEF_Face_Stab : public Op_Diff_VEF_Face
{
  Declare_instanciable_sans_constructeur(Op_Diff_VEF_Face_Stab);
 
public:
  Op_Diff_VEF_Face_Stab();
  DoubleTab& ajouter(const DoubleTab&, DoubleTab&) const override;
  void completer() override;
 
  void ajouter_contribution(const DoubleTab&, Matrice_Morse&) const;
  void ajouter_contribution_multi_scalaire(const DoubleTab&, Matrice_Morse&) const;
  void contribuer_a_avec(const DoubleTab&, Matrice_Morse&) const override;
 
protected :
 
  void calculer_coefficients(const DoubleTab&, DoubleTab&) const;
  void calculer_min(const DoubleTab&, int&, DoubleTab&) const ;
  void calculer_max(const DoubleTab&, int&, DoubleTab&) const ;
  double calculer_gradients(int, const DoubleTab&) const ;
 
  void modifie_pour_Cl(const DoubleTab&, DoubleTab&) const;
  void ajouter_operateur_centre(const DoubleTab&, const DoubleTab&, DoubleTab&) const ;
  void ajouter_diffusion(const DoubleTab&, const DoubleTab&, DoubleTab&) const ;
  void ajouter_antidiffusion(const DoubleTab&, const DoubleTab&, DoubleTab&) const ;
 
private :
 
  int standard_=0;
  int info_=0;
  int new_jacobian_=0;
  IntTab is_dirichlet_faces_;
};
 
inline void Op_Diff_VEF_Face_Stab::contribuer_a_avec(const DoubleTab& inco, Matrice_Morse& matrice) const
{
  if (!new_jacobian_)
    Op_Diff_VEF_Face::contribuer_a_avec(inco,matrice);
  else
    {
      const Champ_base& inconnue = equation().inconnue();
      const Nature_du_champ nature_champ = inconnue.nature_du_champ();
 
      if (nature_champ!=multi_scalaire)
        ajouter_contribution(inco, matrice);
      else
        ajouter_contribution_multi_scalaire(inco, matrice);
    }
}
 
#endif