Domaine_PolyMAC_MPFA.h

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#ifndef Domaine_PolyMAC_MPFA_included
#define Domaine_PolyMAC_MPFA_included
 
#include <Domaine_PolyMAC_HFV.h>
 
class Domaine_PolyMAC_MPFA : public Domaine_PolyMAC_HFV
{
  Declare_instanciable(Domaine_PolyMAC_MPFA);
public :
  void discretiser() override;
 
  //stencil du gradient aux faces fgrad : fsten_eb([fsten_d(f), fsten_d(f + 1)[]) -> elements e, faces de bord ne_tot + f
  void init_stencils() const;
  mutable IntTab fsten_d, fsten_eb;
 
  //pour u.n champ T aux elements, interpole [n_f.nu.grad T]_f
  //en preservant exactement les champs verifiant [nu grad T]_e = cte.
  //Entrees : N             : nombre de composantes
  //          is_p          : 1 si on traite le champ de pression (inversion Neumann / Dirichlet)
  //          cls           : conditions aux limites
  //          fcl(f, 0/1/2) : donnes sur les CLs (type de CL, indice de CL, indice dans la CL) (cf. Champ_{P0,Face}_PolyMAC_MPFA)
  //          nu(e, n, ..)  : diffusivite aux elements (optionnel)
  //          som_ext       : liste de sommets a ne pas traiter (ex. : traitement direct des Echange_Contact dans Op_Diff_PolyMAC_MPFA_Elem)
  //          virt          : 1 si on veut aussi le flux aux faces virtuelles
  //          full_stencil  : 1 si on veut le stencil complet (pour dimensionner())
  //Sorties : phif_d(f, 0/1)                       : indices dans phif_{e,c} / phif_{pe,pc} du flux a f dans [phif_d(f, 0/1), phif_d(f + 1, 0/1)[
  //          phif_e(i), phif_c(i, n, c)           : indices/coefficients locaux (pas d'Echange_contact) et diagonaux (composantes independantes)
  void fgrad(int N, int is_p, const Conds_lim& cls, const IntTab& fcl, const DoubleTab *nu, const IntTab *som_ext,
             int virt, int full_stencil, IntTab& phif_d, IntTab& phif_e, DoubleTab& phif_c) const;
 
  //MD_Vectors pour Champ_Face_PolyMAC_MPFA (faces + d x elems)
  MD_Vector mdv_ch_face;
 
protected:
  mutable int first_fgrad_ = 1; //pour n'afficher le message "MPFA-O MPFA-O(h) VFSYM" qu'une seule fois par calcul
};
 
#endif /* Domaine_PolyMAC_MPFA_included */