Solveur_Masse_Face_proto.cpp

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#include <Solveur_Masse_Face_proto.h>
#include <Masse_ajoutee_base.h>
#include <Pb_Multiphase.h>
#include <Matrix_tools.h>
#include <TRUSTTrav.h>
#include <Domaine_VF.h>
 
void Solveur_Masse_Face_proto::associer_masse_proto(const Solveur_Masse_base& sm, const Domaine_VF& zvf )
{
  solv_mass_ = sm;
  le_dom_ = zvf;
}
 
DoubleTab& Solveur_Masse_Face_proto::appliquer_impl_proto(DoubleTab& sm) const
{
  const Domaine_VF& domaine = le_dom_.valeur();
  const IntTab& f_e = domaine.face_voisins();
  const DoubleVect& pf = solv_mass_->equation().milieu().porosite_face(), &vf = domaine.volumes_entrelaces();
  const DoubleTab *a_r = sub_type(QDM_Multiphase, solv_mass_->equation()) ? &ref_cast(Pb_Multiphase, solv_mass_->equation().probleme()).equation_masse().champ_conserve().passe() : nullptr,
                   &vfd = domaine.volumes_entrelaces_dir();
  int i, e, f, n, N = solv_mass_->equation().inconnue().valeurs().line_size();
  double fac;
 
  //vitesses aux faces
  for (f = 0; f < domaine.nb_faces(); f++)
    for (n = 0; n < N; n++)
      {
        for (fac = 0, i = 0; i < 2; i++)
          if ((e = f_e(f, i)) >= 0)
            fac += vfd(f, i) / vf(f) * (a_r ? (*a_r)(e, n) : 1);
        if (fac > 1e-10)
          sm(f, n) /= pf(f) * vf(f) * fac; //vitesse calculee
        else
          sm(f, n) = 0; //cas d'une evanescence
      }
 
  sm.echange_espace_virtuel();
  return sm;
}
 
void Solveur_Masse_Face_proto::dimensionner_blocs_proto(matrices_t matrices, const tabs_t& semi_impl, const bool allocate, Stencil& sten) const
{
  const std::string& nom_inc = solv_mass_->equation().inconnue().le_nom().getString();
  if (!matrices.count(nom_inc)) return; //rien a faire
 
  Matrice_Morse& mat = *matrices.at(nom_inc), mat2;
  const Domaine_VF& domaine = le_dom_.valeur();
  const DoubleTab& inco = solv_mass_->equation().inconnue().valeurs();
  const Pb_Multiphase *pbm = sub_type(Pb_Multiphase, solv_mass_->equation().probleme()) ? &ref_cast(Pb_Multiphase, solv_mass_->equation().probleme()) : nullptr;
  const Masse_ajoutee_base *corr = pbm && pbm->has_correlation("masse_ajoutee") ? &ref_cast(Masse_ajoutee_base, pbm->get_correlation("masse_ajoutee")) : nullptr;
  int i, f, m, n, N = inco.line_size();
 
  for (f = 0, i = 0; f < domaine.nb_faces(); f++)
    for (n = 0; n < N; n++, i++) //faces reelles
      if (corr)
        for (m = 0; m < N; m++) sten.append_line(i, N * f + m);
      else sten.append_line(i, i);
 
  if (allocate)
    {
      Matrix_tools::allocate_morse_matrix(inco.size_totale(), inco.size_totale(), sten, mat2);
      mat.nb_colonnes() ? mat += mat2 : mat = mat2;
    }
}
 
void Solveur_Masse_Face_proto::ajouter_blocs_proto(matrices_t matrices, DoubleTab& secmem, double dt, const tabs_t& semi_impl, int resoudre_en_increments) const
{
  const DoubleTab& inco = solv_mass_->equation().inconnue().valeurs(), &passe = solv_mass_->equation().inconnue().passe();
  Matrice_Morse *mat = matrices[solv_mass_->equation().inconnue().le_nom().getString()]; //facultatif
  const Domaine_VF& domaine = le_dom_.valeur();
  const IntTab& f_e = domaine.face_voisins();
  const DoubleVect& pf = solv_mass_->equation().milieu().porosite_face(), &vf = domaine.volumes_entrelaces();
  const Pb_Multiphase *pbm = sub_type(Pb_Multiphase, solv_mass_->equation().probleme()) ? &ref_cast(Pb_Multiphase, solv_mass_->equation().probleme()) : nullptr;
  const DoubleTab& vfd = domaine.volumes_entrelaces_dir(), &rho = solv_mass_->equation().milieu().masse_volumique().passe(),
                   *alpha = pbm ? &pbm->equation_masse().inconnue().passe() : nullptr, *a_r = pbm ? &pbm->equation_masse().champ_conserve().passe() : nullptr;
  const Masse_ajoutee_base *corr = pbm && pbm->has_correlation("masse_ajoutee") ? &ref_cast(Masse_ajoutee_base, pbm->get_correlation("masse_ajoutee")) : nullptr;
  int i, e, f, m, n, N = inco.line_size(), cR = rho.dimension_tot(0) == 1;
 
  /* faces : si CLs, pas de produit par alpha * rho en multiphase */
  DoubleTrav masse(N, N), masse_e(N, N); //masse alpha * rho, contribution
  for (f = 0; f < domaine.nb_faces(); f++) //faces reelles
    {
      if (!pbm)
        for (masse = 0, n = 0; n < N; n++) masse(n, n) = vf(f); //pas Pb_Multiphase ou CL -> pas de alpha * rho
      else for (masse = 0, i = 0; i < 2; i++)
          if ((e = f_e(f, i)) >= 0)
            {
              for (masse_e = 0, n = 0; n < N; n++) masse_e(n, n) = (*a_r)(e, n); //partie diagonale
              if (corr) corr->ajouter(&(*alpha)(e, 0), &rho(!cR * e, 0), masse_e); //partie masse ajoutee
              for (n = 0; n < N; n++)
                for (m = 0; m < N; m++) masse(n, m) += vfd(f, i) * masse_e(n, m); //contribution au alpha * rho de la face
            }
      for (n = 0; n < N; n++)
        {
          for (m = 0; m < N; m++) secmem(f, n) += pf(f) / dt * masse(n, m) * (passe(f, m) - resoudre_en_increments * inco(f, m));
          if (mat)
            for (m = 0; m < N; m++)
              if (masse(n, m)) (*mat)(N * f + n, N * f + m) += pf(f) / dt * masse(n, m);
        }
    }
}