Op_Diff_PolyMAC_MPFA_base.cpp

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#include <Echange_contact_PolyMAC_MPFA.h>
#include <Op_Diff_PolyMAC_MPFA_base.h>
#include <Frottement_impose_base.h>
#include <Champ_Elem_PolyMAC_MPFA.h>
#include <Champ_Face_PolyMAC_MPFA.h>
#include <Champ_Don_Fonc_xyz.h>
#include <Domaine_Cl_PolyMAC_family.h>
#include <Aire_interfaciale.h>
#include <Champ_Uniforme.h>
#include <Pb_Multiphase.h>
#include <Milieu_base.h>
 
Implemente_base(Op_Diff_PolyMAC_MPFA_base, "Op_Diff_PolyMAC_MPFA_base", Op_Diff_PolyMAC_CDO_Gen_base);
 
Sortie& Op_Diff_PolyMAC_MPFA_base::printOn(Sortie& s) const { return s << que_suis_je(); }
 
Entree& Op_Diff_PolyMAC_MPFA_base::readOn(Entree& s) { return s; }
 
void Op_Diff_PolyMAC_MPFA_base::mettre_a_jour(double t)
{
  Operateur_base::mettre_a_jour(t);
  //if the field is constant in time, no need to recompute nu_ and the interpolations
  if (t <= t_last_maj_)
    return;
 
  if (!nu_constant_)
    nu_a_jour_ = 0, phif_a_jour_ = 0;
 
  t_last_maj_ = t;
}
 
void Op_Diff_PolyMAC_MPFA_base::completer()
{
  Operateur_base::completer();
  const Equation_base& eq = equation();
  int N = eq.inconnue().valeurs().line_size(), N_mil = eq.milieu().has_masse_volumique() ? eq.milieu().masse_volumique().valeurs().line_size() : N;
  int N_diff = diffusivite().valeurs().line_size(), D = dimension, N_nu = std::max(N * dimension_min_nu(), N_diff);
 
  if ((N_nu == N_mil) | (N_nu == N))
    nu_.resize(0, N); //isotrope
  else if ((N_nu == N_mil * D) | (N_nu == N * D))
    nu_.resize(0, N, D); //diagonal
  else if ((N_nu == N_mil * D * D) | (N_nu == N * D * D))
    nu_.resize(0, N, D, D); //complet
  else
    Process::exit(Nom("Op_Diff_PolyMAC_MPFA_base : diffusivity component count ") + Nom(N_nu) + " not among (" + Nom(N) + ", " + Nom(N * D) + ", " + Nom(N * D * D) + ")!");
 
  const Domaine_PolyMAC_MPFA& domaine = ref_cast(Domaine_PolyMAC_MPFA, le_dom_poly_.valeur());
  domaine.domaine().creer_tableau_elements(nu_);
  const Conds_lim& cls = eq.domaine_Cl_dis().les_conditions_limites();
  nu_constant_ = (sub_type(Champ_Uniforme, diffusivite()) || sub_type(Champ_Don_Fonc_xyz, diffusivite()));
  if (nu_constant_)
    for (auto &itr : cls)
      if (sub_type(Echange_impose_base, itr.valeur()) || sub_type(Frottement_impose_base, itr.valeur()))
        nu_constant_ = 0;
}
 
void Op_Diff_PolyMAC_MPFA_base::update_nu() const
{
  const Domaine_PolyMAC_MPFA& domaine = ref_cast(Domaine_PolyMAC_MPFA, le_dom_poly_.valeur());
  const DoubleTab& nu_src = diffusivite().valeurs();
  int e, i, m, n, c_nu = nu_src.dimension_tot(0) == 1, d, db, D = dimension;
  int N = equation().inconnue().valeurs().line_size(),
      N_mil = equation().milieu().has_masse_volumique() ? equation().milieu().masse_volumique().valeurs().line_size() : N,
      N_nu = nu_.line_size(), N_nu_src = nu_src.line_size(), mult = N_nu / N;
  assert(N_nu % N == 0);
 
  const bool is_aire_int = sub_type(Aire_interfaciale, equation()); /* Aire_interfaciale case: no laminar nu ... */
 
  if (is_aire_int)
    {
      nu_ = 0.;
      /* modification by a derived class */
      modifier_mu(nu_);
      nu_a_jour_ = 1;
      return;
    }
 
  /* nu_: if necessary, the source field must be extended */
  if (N_nu == N && N_nu_src == N_mil)
    for (e = 0; e < domaine.nb_elem_tot(); e++)
      for (n = 0; n < N; n++)
        nu_.addr()[N_nu * e + n] = nu_src(!c_nu * e, n); //facile
  else if (N_nu == N * D && N_nu_src == N_mil)
    for (e = 0; e < domaine.nb_elem_tot(); e++)
      for (n = 0; n < N; n++)
        for (d = 0; d < D; d++) //diagonal
          nu_(e, n, d) = nu_src(!c_nu * e, n);
  else if (N_nu == N * D * D && (N_nu_src == N_mil || N_nu_src == N_mil * D))
    for (e = 0; e < domaine.nb_elem_tot(); e++)
      for (n = 0; n < N; n++) //complet
        for (d = 0; d < D; d++)
          for (db = 0; db < D; db++)
            nu_(e, n, d, db) = (d == db) * nu_src(!c_nu * e, N_nu_src == N_mil ? n : D * n + d);
  else
    abort();
 
  /* weighting of nu by porosity and by alpha (if pb_Multiphase) */
  const DoubleTab *alp = sub_type(Pb_Multiphase, equation().probleme()) ? &ref_cast(Pb_Multiphase, equation().probleme()).equation_masse().inconnue().passe() : nullptr;
  for (e = 0; e < domaine.nb_elem_tot(); e++)
    for (n = 0, i = 0; n < N; n++)
      for (m = 0; m < mult; m++, i++)
        nu_.addr()[N_nu * e + i] *= equation().milieu().porosite_elem()(e) * (alp ? std::max((*alp)(e, n), 1e-8) : 1);
 
  /* modification by a derived class */
  modifier_mu(nu_);
 
  nu_a_jour_ = 1;
}
 
void Op_Diff_PolyMAC_MPFA_base::update_phif(int full_stencil) const
{
  const Domaine_PolyMAC_MPFA& domaine = ref_cast(Domaine_PolyMAC_MPFA, le_dom_poly_.valeur());
  if (!domaine.domaine().mesh_update_required() && !full_stencil && phif_a_jour_)
    return; //already done, unless the full stencil is requested
  const Champ_Inc_base& ch = equation().inconnue();
  const IntTab& fcl = sub_type(Champ_Face_PolyMAC_MPFA, ch) ? ref_cast(Champ_Face_PolyMAC_MPFA, ch).fcl() : ref_cast(Champ_Elem_PolyMAC_MPFA, ch).fcl();
  domaine.fgrad(ch.valeurs().line_size(), 0, la_zcl_poly_->les_conditions_limites(), fcl, &nu(), &som_ext, sub_type(Champ_Face_PolyMAC_MPFA, ch), full_stencil, phif_d, phif_e, phif_c);
  phif_a_jour_ = 1;
}