Op_Diff_VDF_Face_leaves.h

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#ifndef Op_Diff_VDF_Face_leaves_included
#define Op_Diff_VDF_Face_leaves_included
 
#include <Op_Diff_VDF_Face_Axi_base.h>
#include <Op_Diff_VDF_Face_base.h>
#include <Eval_Diff_VDF_leaves.h>
#include <Op_Diff_Dift_VDF.h>
 
/// \cond DO_NOT_DOCUMENT
class Op_Diff_VDF_Face_leaves
{ };
/// \endcond
 
/*! @brief class Op_Diff_VDF_Face This class represents the diffusion operator associated with a momentum equation.
 *
 *   The discretization is VDF. The diffused field is a Champ_Face_VDF. The diffusivity field is non-uniform.
 *   The associated iterator is of type Iterateur_VDF_Face. The associated evaluator is of type Eval_Diff_VDF_Face
 *
 */
class Op_Diff_VDF_Face : public Op_Diff_VDF_Face_base, public Op_Diff_Dift_VDF<Op_Diff_VDF_Face>
{
  Declare_instanciable_sans_constructeur(Op_Diff_VDF_Face);
public:
  Op_Diff_VDF_Face();
  inline void associer(const Domaine_dis_base& zd, const Domaine_Cl_dis_base& zcd, const Champ_Inc_base& ch) override { associer_impl<Type_Operateur::Op_DIFF_FACE,Eval_Diff_VDF_Face>(zd,zcd,ch); }
  inline void associer_diffusivite(const Champ_base& ch) override { associer_diffusivite_impl<Eval_Diff_VDF_Face>(ch); }
  inline const Champ_base& diffusivite() const override { return diffusivite_impl<Eval_Diff_VDF_Face>(); }
  inline void mettre_a_jour(double ) override { mettre_a_jour_impl<Type_Operateur::Op_DIFF_FACE,Eval_Diff_VDF_Face>(); }
  inline void completer() override
  {
    Op_Diff_VDF_Face_base::completer();
    associer_pb<Eval_Diff_VDF_Face>(equation().probleme());
  }
};
 
/*! @brief class Op_Diff_VDF_Face_Axi This class represents the diffusion operator associated with momentum equations in cylindrical coordinates.
 *
 *   The discretization is VDF. The diffused field is a Champ_Face_VDF. The diffusivity field is non-uniform.
 *   This class uses neither an iterator nor an evaluator (there were too many supplementary terms due to cylindrical coordinates)
 *
 */
class Op_Diff_VDF_Face_Axi : public Op_Diff_VDF_Face_Axi_base
{
  Declare_instanciable(Op_Diff_VDF_Face_Axi);
public:
  inline double nu_(const int i) const override { return diffusivite_->valeurs()(is_var_ * i); }
  inline double nu_mean_2_pts_(const int i, const int j) const override { return 0.5 * (diffusivite_->valeurs()(is_var_ * i) + diffusivite_->valeurs()(is_var_ * j)); }
  inline double nu_mean_4_pts_(const int , const int ) const override;
  inline void associer_diffusivite(const Champ_base& diffu) override
  {
    diffusivite_ = diffu;
    is_var_ = sub_type(Champ_Uniforme, diffu) ? 0 : 1;
  }
  inline const Champ_base& diffusivite() const override { return diffusivite_; }
protected:
  OBS_PTR(Champ_base) diffusivite_;
  int is_var_ = 0;
};
 
inline double Op_Diff_VDF_Face_Axi::nu_mean_4_pts_(const int i, const int j) const
{
  if (!is_var_) return nu_(i); // can help here ;)
 
  double db_diffusivite = 0;
  int element, compteur = 0;
 
  if ((element=face_voisins(i,0)) != -1)
    {
      db_diffusivite += diffusivite_->valeurs()(is_var_ * element);
      compteur++;
    }
  if ((element=face_voisins(i,1)) != -1)
    {
      db_diffusivite += diffusivite_->valeurs()(is_var_ * element);
      compteur++;
    }
  if ((element=face_voisins(j,0)) != -1)
    {
      db_diffusivite += diffusivite_->valeurs()(is_var_ * element);
      compteur++;
    }
  if ((element=face_voisins(j,1)) != -1)
    {
      db_diffusivite += diffusivite_->valeurs()(is_var_ * element);
      compteur++;
    }
  db_diffusivite /= compteur;
  return db_diffusivite;
}
 
#endif /* Op_Diff_VDF_Face_leaves_included */