Masse_PolyMAC_CDO_Elem.cpp

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#include <Masse_PolyMAC_CDO_Elem.h>
#include <Domaine_Cl_PolyMAC_family.h>
#include <Champ_Elem_PolyMAC_CDO.h>
#include <Domaine_PolyMAC_CDO.h>
#include <TRUSTTab_parts.h>
#include <Equation_base.h>
#include <Neumann_paroi.h>
#include <Matrix_tools.h>
#include <Array_tools.h>
#include <Milieu_base.h>
#include <Conds_lim.h>
 
Implemente_instanciable(Masse_PolyMAC_CDO_Elem, "Masse_PolyMAC_CDO_Elem", Masse_PolyMAC_CDO_base);
 
Sortie& Masse_PolyMAC_CDO_Elem::printOn(Sortie& s) const { return s << que_suis_je() << " " << le_nom(); }
 
Entree& Masse_PolyMAC_CDO_Elem::readOn(Entree& s) { return s; }
 
//only touches the "elements" part
DoubleTab& Masse_PolyMAC_CDO_Elem::appliquer_impl(DoubleTab& sm) const
{
  const Domaine_PolyMAC_CDO& domaine_PolyMAC_CDO = le_dom_PolyMAC_CDO.valeur();
  const DoubleVect& volumes = domaine_PolyMAC_CDO.volumes();
  const DoubleVect& porosite_elem = equation().milieu().porosite_elem();
 
  const int nb_elem = domaine_PolyMAC_CDO.nb_elem(), nb_dim = sm.nb_dim();
  if (nb_elem == 0)
    {
      sm.echange_espace_virtuel();
      return sm;
    }
 
  if (nb_dim == 2)
    {
      const int nb_comp = sm.line_size(); //sm.dimension_tot(0)/nb_elem;
      for (int num_elem = 0; num_elem < nb_elem; num_elem++)
        for (int k = 0; k < nb_comp; k++)
          sm(num_elem, k) /= (volumes(num_elem) * porosite_elem(num_elem));
    }
  else if (sm.nb_dim() == 3)
    {
      const int d1 = sm.dimension(1), d2 = sm.dimension(2);
      for (int num_elem = 0; num_elem < nb_elem; num_elem++)
        for (int k = 0; k < d1; k++)
          for (int d = 0; d < d2; d++)
            sm(num_elem, k, d) /= (volumes(num_elem) * porosite_elem(num_elem));
    }
  else
    {
      Cerr << "Masse_PolyMAC_CDO_Elem::appliquer cannot be applied to a DoubleTab with " << sm.nb_dim() << " dimensions" << finl;
      Process::exit();
    }
  sm.echange_espace_virtuel();
  return sm;
}
 
//Masse_PolyMAC_CDO_Elem is responsible for the parts of the matrix not involving diffusion
void Masse_PolyMAC_CDO_Elem::dimensionner(Matrice_Morse& matrix) const
{
  const Domaine_PolyMAC_CDO& domaine = le_dom_PolyMAC_CDO.valeur();
  const Champ_Elem_PolyMAC_CDO& ch = ref_cast(Champ_Elem_PolyMAC_CDO, equation().inconnue());
  int e, f, ne_tot = domaine.nb_elem_tot(), nf_tot = domaine.nb_faces_tot(), n, N = ch.valeurs().line_size();
  const bool only_ne = (matrix.nb_lignes() == ne_tot);
 
  domaine.init_m2(), ch.fcl();
  Stencil indice(0, 2);
 
  //upper part: diagonal
  for (e = 0; e < domaine.nb_elem(); e++)
    for (n = 0; n < N; n++)
      indice.append_line(N * e + n, N * e + n);
  //lower part: diagonal for Dirichlet BCs
  for (f = 0; !only_ne && f < domaine.nb_faces(); f++)
    if (no_diff_ || ch.fcl()(f, 0) > 5)
      for (n = 0; n < N; n++)
        indice.append_line(N * (ne_tot + f) + n, N * (ne_tot + f) + n);
 
  tableau_trier_retirer_doublons(indice);
  Matrix_tools::allocate_morse_matrix(N * (ne_tot + !only_ne * nf_tot), N * (ne_tot + !only_ne * nf_tot), indice, matrix);
}
 
DoubleTab& Masse_PolyMAC_CDO_Elem::ajouter_masse(double dt, DoubleTab& secmem, const DoubleTab& inco, int penalisation, bool use_old_volumes) const
{
  if (use_old_volumes)
    {
      Cerr << "Masse_PolyMAC_CDO_Elem::ajouter_masse : use_old_volumes is not supported." << finl;
      Process::exit();
    }
  const Domaine_PolyMAC_CDO& domaine = le_dom_PolyMAC_CDO.valeur();
  const Champ_Elem_PolyMAC_CDO& ch = ref_cast(Champ_Elem_PolyMAC_CDO, equation().inconnue());
  const Conds_lim& cls = le_dom_Cl_PolyMAC_CDO->les_conditions_limites();
  const DoubleVect& ve = domaine.volumes(), &pe = equation().milieu().porosite_elem(), &fs = domaine.face_surfaces();
  int e, f, ne_tot = domaine.nb_elem_tot(), n, N = inco.line_size();
  DoubleVect coef(equation().milieu().porosite_elem());
  coef = 1.;
  if (has_coefficient_temporel_) appliquer_coef(coef);
 
  ch.fcl();
  //upper part: diagonal
  for (e = 0; e < domaine.nb_elem(); e++)
    for (n = 0; n < N; n++)
      secmem(e, n) += coef(e) * pe(e) * ve(e) * inco(e, n) / dt;
 
  //lower part: imposed value for Neumann / Dirichlet / Echange_Impose BCs
  for (f = 0; secmem.dimension_tot(0) > ne_tot && f < domaine.nb_faces(); f++)
    if (ch.fcl()(f, 0) == 4)
      for (n = 0; n < N; n++) //Neumann_paroi
        secmem(N * (ne_tot + f) + n) += fs(f) * ref_cast(Neumann_paroi, cls[ch.fcl()(f, 1)].valeur()).flux_impose(ch.fcl()(f, 2), n);
    else if (ch.fcl()(f, 0) == 6)
      for (n = 0; n < N; n++) //Dirichlet
        secmem(N * (ne_tot + f) + n) += ref_cast(Dirichlet, cls[ch.fcl()(f, 1)].valeur()).val_imp(ch.fcl()(f, 2), n);
 
  return secmem;
}
 
Matrice_Base& Masse_PolyMAC_CDO_Elem::ajouter_masse(double dt, Matrice_Base& matrice, int penalisation) const
{
  const Domaine_PolyMAC_CDO& domaine = le_dom_PolyMAC_CDO.valeur();
  const Champ_Elem_PolyMAC_CDO& ch = ref_cast(Champ_Elem_PolyMAC_CDO, equation().inconnue());
  const DoubleVect& ve = domaine.volumes(), &pe = equation().milieu().porosite_elem();
  int e, f, ne_tot = domaine.nb_elem_tot(), n, N = ch.valeurs().line_size();
  Matrice_Morse& mat = ref_cast(Matrice_Morse, matrice);
  DoubleVect coef(equation().milieu().porosite_elem());
  coef = 1.;
  if (has_coefficient_temporel_) appliquer_coef(coef);
 
  domaine.init_m2(), ch.fcl();
  //upper part: diagonal
  for (e = 0; e < domaine.nb_elem(); e++)
    for (n = 0; n < N; n++)
      mat(N * e + n, N * e + n) += coef(e) * pe(e) * ve(e) / dt; //diagonal
 
  //lower part: 1 for fluxes imposed by BCs at faces (if diffusion) or for all faces (otherwise)
  for (f = 0; mat.nb_lignes() > N * ne_tot && f < domaine.nb_faces(); f++)
    if (ch.fcl()(f, 0) > 5 || no_diff_)
      for (n = 0; n < N; n++) //Dirichlet or Dirichlet_homogene
        mat(N * (ne_tot + f) + n, N * (ne_tot + f) + n) += 1;
 
  return matrice;
}