Operateur_Grad_base.h

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#ifndef Operateur_Grad_base_included
#define Operateur_Grad_base_included
 
#include <Operateur_base.h>
 
 
 
 
/*! @brief Classe Operateur_Grad_base Cette classe est la base de la hierarchie des operateurs representant
 *
 *     le calcul du gradient d'un champ dans une equation.
 *
 * @sa Operateur_base
 */
class Operateur_Grad_base  : public Operateur_base
{
  Declare_base(Operateur_Grad_base);
public :
 
  /* pour Operateur_Grad, ces methodes agissent sur la matrice pression -> vitesse */
  void dimensionner(Matrice_Morse& ) const override;
  void contribuer_a_avec(const DoubleTab&, Matrice_Morse&) const override;
 
  /*
    l'interface ajouter_blocs tient compte du signe du gradient (- grad p), tandis que ajouter() calcule (grad p)
    -> on doit modifier l'implementation par defaut de ajouter() pour en tenir compte
  */
  DoubleTab& ajouter(const DoubleTab& inco, DoubleTab& secmem) const override;
 
  virtual DoubleVect& multvect(const DoubleTab&, DoubleTab&) const;
  virtual void calculer_flux_bords() const {};
 
protected:
  mutable SFichier Flux_grad, Flux_grad_moment, Flux_grad_sum;
};
 
#endif