Champ_Elem_PolyMAC_MPFA.h

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#ifndef Champ_Elem_PolyMAC_MPFA_included
#define Champ_Elem_PolyMAC_MPFA_included
 
#include <Champ_Elem_PolyMAC_HFV.h>
#include <Operateur.h>
 
class Domaine_PolyMAC_MPFA;
 
/*! @brief : class Champ_Elem_PolyMAC_MPFA
 *
 *  @brief Field corresponding to a scalar unknown (e.g. temperature or pressure).
 *  Degrees of freedom: value at elements + flux at faces.
 *
 */
class Champ_Elem_PolyMAC_MPFA: public Champ_Elem_PolyMAC_HFV
{
  Declare_instanciable(Champ_Elem_PolyMAC_MPFA);
 
public:
 
  const Domaine_PolyMAC_MPFA& domaine_PolyMAC_MPFA() const;
 
  void init_auxiliary_variables() override { }
  Champ_base& affecter_(const Champ_base& ch) override { return Champ_Inc_P0_base::affecter_(ch); }
  int reprendre(Entree& fich) override;
 
  // Functions for computing gradient coefficients
  mutable IntTab fgrad_d, fgrad_e;             // Tables used in domaine_PolyMAC_MPFA::fgrad
  mutable DoubleTab fgrad_w;
  void init_grad(int full_stencil) const;      // Call to initialise the tables ; no updates necessary
  void calc_grad(int full_stencil) const;      // Call to calculate the tables ; updates necessary
  void mettre_a_jour(double tps) override;
 
protected:
 
  mutable int grad_a_jour = 0;
  mutable double tps_last_calc_grad_ = -1.e8;
};
 
#endif /* Champ_Elem_PolyMAC_MPFA_included */