Op_Div_PolyMAC_MPFA.cpp

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#include <Champ_Face_PolyMAC_MPFA.h>
#include <Op_Div_PolyMAC_MPFA.h>
#include <Domaine_Cl_PolyMAC_family.h>
#include <Navier_Stokes_std.h>
#include <Schema_Temps_base.h>
#include <Probleme_base.h>
#include <EcrFicPartage.h>
#include <Matrice_Morse.h>
#include <Matrix_tools.h>
#include <Array_tools.h>
 
Implemente_instanciable(Op_Div_PolyMAC_MPFA, "Op_Div_PolyMAC_MPFA", Op_Div_PolyMAC_CDO);
 
Sortie& Op_Div_PolyMAC_MPFA::printOn(Sortie& s) const { return s << que_suis_je(); }
 
Entree& Op_Div_PolyMAC_MPFA::readOn(Entree& s) { return s; }
 
void Op_Div_PolyMAC_MPFA::dimensionner(Matrice_Morse& matrice) const
{
  const Domaine_PolyMAC_MPFA& domaine = ref_cast(Domaine_PolyMAC_MPFA, le_dom_PolyMAC_CDO.valeur());
  const IntTab& f_e = domaine.face_voisins();
  const int ne_tot = domaine.nb_elem_tot(), nf_tot = domaine.nb_faces_tot(),
            N = equation().inconnue().valeurs().line_size(), D = dimension;
 
  Stencil stencil(0, 2);
 
  for (int f = 0; f < domaine.nb_faces(); f++)
    for (int i = 0; i < 2; i++)
      {
        const int e = f_e(f, i);
        if (e < 0) continue;
 
        for (int n = 0; n < N; n++)
          stencil.append_line(N * e + n, N * f + n);
      }
 
  tableau_trier_retirer_doublons(stencil);
  Matrix_tools::allocate_morse_matrix(N * ne_tot, N * (nf_tot + D * ne_tot), stencil, matrice);
}
 
DoubleTab& Op_Div_PolyMAC_MPFA::ajouter(const DoubleTab& vit, DoubleTab& div) const
{
  const Domaine_PolyMAC_MPFA& domaine = ref_cast(Domaine_PolyMAC_MPFA, le_dom_PolyMAC_CDO.valeur());
  const DoubleVect& fs = domaine.face_surfaces(), &pf = equation().milieu().porosite_face();
  const IntTab& f_e = domaine.face_voisins();
  const int N = vit.line_size();
  assert(div.line_size() == N);
 
  DoubleTab& tab_flux_bords = flux_bords_;
  tab_flux_bords.resize(domaine.nb_faces_bord(), 1);
  tab_flux_bords = 0.;
 
  for (int f = 0; f < domaine.nb_faces(); f++)
    {
      for (int i = 0; i < 2; i++)
        {
          const int e = f_e(f, i);
          if (e < 0) continue;
 
          for (int n = 0; n < N; n++)
            div(e, n) += (i ? -1 : 1) * fs(f) * pf(f) * vit(f, n);
        }
 
      if (f < domaine.premiere_face_int())
        for (int n = 0; n < N; n++)
          tab_flux_bords(f, n) = fs(f) * pf(f) * vit(f, n);
    }
 
  div.echange_espace_virtuel();
 
  return div;
}
void Op_Div_PolyMAC_MPFA::contribuer_a_avec(const DoubleTab& incoo, Matrice_Morse& mat) const
{
  const Domaine_PolyMAC_MPFA& domaine = ref_cast(Domaine_PolyMAC_MPFA, le_dom_PolyMAC_CDO.valeur());
  const Champ_Face_PolyMAC_MPFA& ch = ref_cast(Champ_Face_PolyMAC_MPFA, equation().inconnue());
  const DoubleVect& fs = domaine.face_surfaces(), &pf = equation().milieu().porosite_face();
  const IntTab& f_e = domaine.face_voisins();
  const int N = ch.valeurs().line_size();
 
  for (int f = 0; f < domaine.nb_faces(); f++)
    for (int i = 0; i < 2 ; i++)
      {
        const int e = f_e(f, i);
        if (e < 0) continue;
 
        for (int n = 0; n < N; n++)
          mat(N * e + n, N * f + n) += (i ? 1 : -1) * fs(f) * pf(f);
      }
}