Op_Grad_PolyMAC_HFV_Face.cpp

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#include <Op_Grad_PolyMAC_HFV_Face.h>
#include <Champ_Elem_PolyMAC_HFV.h>
#include <Masse_PolyMAC_HFV_Face.h>
#include <Champ_Face_PolyMAC_HFV.h>
#include <Check_espace_virtuel.h>
#include <Neumann_sortie_libre.h>
#include <Domaine_Cl_PolyMAC_family.h>
#include <Schema_Temps_base.h>
#include <Navier_Stokes_std.h>
#include <Probleme_base.h>
#include <Pb_Multiphase.h>
#include <Matrix_tools.h>
#include <Array_tools.h>
#include <Milieu_base.h>
#include <Dirichlet.h>
#include <TRUSTTrav.h>
#include <cfloat>
#include <Perf_counters.h>
 
Implemente_instanciable(Op_Grad_PolyMAC_HFV_Face, "Op_Grad_PolyMAC_HFV_Face", Op_Grad_PolyMAC_CDO_Face);
 
Sortie& Op_Grad_PolyMAC_HFV_Face::printOn(Sortie& s) const { return s << que_suis_je(); }
 
Entree& Op_Grad_PolyMAC_HFV_Face::readOn(Entree& s) { return s; }
 
void Op_Grad_PolyMAC_HFV_Face::completer()
{
  Operateur_Grad_base::completer();
  const Domaine_PolyMAC_HFV& domaine = ref_cast(Domaine_PolyMAC_HFV, ref_domaine.valeur());
 
  /* initialize auxiliary unknowns for pressure... */
  ref_cast(Champ_Elem_PolyMAC_HFV, ref_cast(Navier_Stokes_std, equation()).pression()).init_auxiliary_variables();
 
  /* and of grad P if the velocity field has it */
  if (equation().inconnue().valeurs().get_md_vector() == domaine.mdv_faces_aretes)
    if (ref_cast(Navier_Stokes_std, equation()).has_grad_P())
      ref_cast(Champ_Face_PolyMAC_HFV, ref_cast(Navier_Stokes_std, equation()).grad_P()).init_auxiliary_variables();
 
  /* requires a ghost layer of width 1 */
  if (domaine.domaine().nb_joints() && domaine.domaine().joint(0).epaisseur() < 1)
    {
      Cerr << "Op_Grad_PolyMAC_HFV_Face : largeur de joint insuffisante (minimum 1)!" << finl;
      Process::exit();
    }
}
 
void Op_Grad_PolyMAC_HFV_Face::dimensionner_blocs(matrices_t matrices, const tabs_t& semi_impl) const
{
  if (!matrices.count("pression")) return; //nothing to do
 
  const Domaine_PolyMAC_HFV& domaine = ref_cast(Domaine_PolyMAC_HFV, ref_domaine.valeur());
  const Champ_Face_PolyMAC_HFV& ch = ref_cast(Champ_Face_PolyMAC_HFV, equation().inconnue());
  const IntTab& e_f = domaine.elem_faces(), &fcl = ch.fcl();
  const DoubleTab& vit = ch.valeurs(), &press = ref_cast(Navier_Stokes_std, equation()).pression().valeurs();
  const int ne_tot = domaine.nb_elem_tot(), N = vit.line_size(), M = press.line_size();
  Matrice_Morse *mat = matrices["pression"], mat2;
  Stencil sten(0, 2);
  DoubleTrav w2;
 
  for (int e = 0; e < ne_tot; e++)
    {
      domaine.W2(nullptr, e, w2);
 
      for (int i = 0; i < w2.dimension(0); i++)
        {
          const int f = e_f(e, i);
 
          if (f < domaine.nb_faces()) /* faces reelles seulement */
            {
              int m = 0;
              for (int n = 0; n < N; n++, m += (M > 1))
                sten.append_line(N * f + n, M * e + m); /* bloc (face, elem )*/
 
              for (int j = 0; j < w2.dimension(1); j++)
                {
                  const int fb = e_f(e, j);
                  if (fcl(fb, 0) != 1 && w2(i, j, 0)) /* bloc (face, face) */
                    {
                      m = 0;
                      for (int n = 0; n < N; n++, m += (M > 1))
                        sten.append_line(N * f + n, M * (ne_tot + fb) + m);
                    }
                }
            }
        }
    }
 
  /* allocation / filling */
  tableau_trier_retirer_doublons(sten);
  Matrix_tools::allocate_morse_matrix(vit.size_totale(), press.size_totale(), sten, mat2);
 
  if (mat->nb_colonnes())
    *mat += mat2;
  else
    *mat = mat2;
}
 
void Op_Grad_PolyMAC_HFV_Face::ajouter_blocs(matrices_t matrices, DoubleTab& secmem, const tabs_t& semi_impl) const
{
  const Domaine_PolyMAC_HFV& domaine = ref_cast(Domaine_PolyMAC_HFV, ref_domaine.valeur());
  const IntTab& f_e = domaine.face_voisins(), &e_f = domaine.elem_faces(),
                &fcl = ref_cast(Champ_Face_PolyMAC_HFV, equation().inconnue()).fcl();
 
  const DoubleTab& vfd = domaine.volumes_entrelaces_dir(),
                   &press = semi_impl.count("pression") ? semi_impl.at("pression") : ref_cast(Navier_Stokes_std, equation()).pression().valeurs(),
                    *alp = sub_type(Pb_Multiphase, equation().probleme()) ? &ref_cast(Pb_Multiphase, equation().probleme()).equation_masse().inconnue().passe() : nullptr;
 
  const DoubleVect& fs = domaine.face_surfaces(), &vf = domaine.volumes_entrelaces(), &pe = equation().milieu().porosite_elem();
  const int ne_tot = domaine.nb_elem_tot(), N = secmem.line_size(), M = press.line_size();
 
  Matrice_Morse *mat = !semi_impl.count("pression") && matrices.count("pression") ? matrices.at("pression") : nullptr;
 
  DoubleTrav w2, alpha(N), coeff_e(N); //W2 matrix in each element, void fraction at the face
 
  for (int e = 0; e < ne_tot; e++)
    {
      domaine.W2(nullptr, e, w2);
      for (int i = 0; i < w2.dimension(0); i++)
        {
          const int f = e_f(e, i);
 
          if (f < domaine.nb_faces())
            {
              /* void fraction at the face (same as in Masse_PolyMAC_HFV_Face) */
              double prefac = (e == f_e(f, 0) ? 1 : -1) * pe(e) * vfd(f, e != f_e(f, 0)) / fs(f); /* weighting to eliminate p_f in TPFA */
 
              alpha = 0.;
 
              for (int j = 0; j < 2; j++)
                {
                  const int eb = f_e(f, j);
                  if (eb < 0) continue;
 
                  for (int n = 0; n < N; n++)
                    alpha(n) += vfd(f, j) * (alp ? (*alp)(eb, n) : 1) / vf(f);
                }
 
              coeff_e = 0.;
 
              for (int j = 0; j < w2.dimension(1); j++)
                if (w2(i, j, 0))
                  {
                    const int fb = e_f(e, j);
                    int m = 0;
 
                    for (int n = 0; n < N; n++, m += (M > 1))
                      {
                        const double fac = alpha(n) * w2(i, j, 0) * prefac;
                        secmem(f, n) -= fac * (press(ne_tot + fb, m) - press(e, m));
 
                        if (mat && fcl(fb, 0) != 1)
                          (*mat)(N * f + n, M * (ne_tot + fb) + m) += fac; /* bloc (face, face) */
 
                        coeff_e(n) += fac;
                      }
                  }
 
              if (mat)
                {
                  int m = 0;
                  for (int n = 0; n < N; n++, m += (M > 1))
                    (*mat)(N * f + n, M * e + m) -= coeff_e(n); /* bloc (face, elem) */
                }
            }
        }
    }
}