Assembleur_P_PolyMAC_MPFA.cpp

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#include <Assembleur_P_PolyMAC_MPFA.h>
#include <Op_Grad_PolyMAC_MPFA_Face.h>
#include <Neumann_sortie_libre.h>
#include <Champ_Face_PolyMAC_MPFA.h>
#include <Masse_PolyMAC_MPFA_Face.h>
#include <Domaine_PolyMAC_MPFA.h>
#include <Domaine_Cl_PolyMAC_family.h>
#include <Matrice_Diagonale.h>
#include <Navier_Stokes_std.h>
#include <Matrice_Morse_Sym.h>
#include <Schema_Temps_base.h>
#include <Matrice_Bloc_Sym.h>
#include <Static_Int_Lists.h>
#include <Operateur_Grad.h>
#include <Pb_Multiphase.h>
#include <Matrix_tools.h>
#include <Array_tools.h>
#include <Dirichlet.h>
#include <Debog.h>
#include <Piso.h>
#include <Perf_counters.h>
 
Implemente_instanciable(Assembleur_P_PolyMAC_MPFA, "Assembleur_P_PolyMAC_MPFA", Assembleur_P_PolyMAC_HFV);
 
Sortie& Assembleur_P_PolyMAC_MPFA::printOn(Sortie& s) const { return s << que_suis_je() << " " << le_nom(); }
 
Entree& Assembleur_P_PolyMAC_MPFA::readOn(Entree& s) { return Assembleur_P_PolyMAC_HFV::readOn(s); }
 
int  Assembleur_P_PolyMAC_MPFA::assembler_mat(Matrice& la_matrice,const DoubleVect& diag,int incr_pression,int resoudre_en_u)
{
  set_resoudre_increment_pression(incr_pression);
  set_resoudre_en_u(resoudre_en_u);
  Cerr << "Assemblage de la matrice de pression ... ";
  statistics().begin_count(STD_COUNTERS::matrix_assembly,statistics().get_last_opened_counter_level()+1);
  la_matrice.typer("Matrice_Morse");
  Matrice_Morse& mat = ref_cast(Matrice_Morse, la_matrice.valeur());
 
  const Domaine_PolyMAC_MPFA& domaine = ref_cast(Domaine_PolyMAC_MPFA, le_dom_PolyMAC_CDO.valeur());
  const Op_Grad_PolyMAC_MPFA_Face& grad = ref_cast(Op_Grad_PolyMAC_MPFA_Face, ref_cast(Navier_Stokes_std, equation()).operateur_gradient().valeur());
  grad.update_grad(domaine.domaine().deformable());
  const DoubleTab& fgrad_c = grad.fgrad_c;
  const IntTab& f_e = domaine.face_voisins(), &fgrad_d = grad.fgrad_d, &fgrad_e = grad.fgrad_e;
  const DoubleVect& pf = equation().milieu().porosite_face(), &fs = domaine.face_surfaces();
  int i, j, e, eb, f, ne = domaine.nb_elem(), ne_tot = domaine.nb_elem_tot();
 
  //in the absence of pressure BCs, we add P(0) = 0 on process 0
  has_P_ref=0;
  for (int n_bord=0; n_bord<le_dom_PolyMAC_CDO->nb_front_Cl(); n_bord++)
    if (sub_type(Neumann_sortie_libre, le_dom_Cl_PolyMAC_CDO->les_conditions_limites(n_bord).valeur()) )
      has_P_ref=1;
 
  /* 1. pressure matrix stencil: only on the first pass */
  if (!stencil_done)
    {
      Stencil stencil(0, 2);
 
      for (f = 0; f < domaine.nb_faces(); f++)
        for (i = 0; i < 2 && (e = f_e(f, i)) >= 0; i++)
          if (e < ne)
            for (j = fgrad_d(f); j < fgrad_d(f + 1); j++)
              if ((eb = fgrad_e(j)) < ne_tot) stencil.append_line(e, eb);
 
      tableau_trier_retirer_doublons(stencil);
      Matrix_tools::allocate_morse_matrix(ne_tot, ne_tot, stencil, mat);
      mat.sort_stencil();
      tab1.ref_array(mat.get_set_tab1()), tab2.ref_array(mat.get_set_tab2());
      stencil_done = 1;
    }
  else //otherwise, recycle
    {
      mat.get_set_tab1().ref_array(tab1);
      mat.get_set_tab2().ref_array(tab2);
      mat.get_set_coeff().resize(tab2.size_array());
      mat.set_nb_columns(ne_tot);
    }
 
  /* 2. fill coefficients: style Op_Diff_PolyMAC_HFV_Elem */
  for (f = 0; f < domaine.nb_faces(); f++)
    for (i = 0; i < 2 && (e = f_e(f, i)) >= 0; i++)
      if (e < ne)
        for (j = fgrad_d(f); j < fgrad_d(f + 1); j++)
          if ((eb = fgrad_e(j)) < ne_tot)
            mat(e, eb) += (i ? 1 : -1) * pf(f) * fs(f) * fgrad_c(j, 0);
 
  const bool is_first_proc_with_real_elems = Process::me() == Process::mp_min(domaine.nb_elem() ? Process::me() : 1e8);
  if (!has_P_ref && is_first_proc_with_real_elems) mat(0, 0) *= 2;
  statistics().end_count(STD_COUNTERS::matrix_assembly);
  return 1;
}
 
/* equation sum_k alpha_k = 1 en Pb_Multiphase */
void Assembleur_P_PolyMAC_MPFA::dimensionner_continuite(matrices_t matrices, int aux_only) const
{
  if (aux_only) return; //nothing to do
  int e, n, N = ref_cast(Pb_Multiphase, equation().probleme()).nb_phases(), ne_tot = le_dom_PolyMAC_CDO->nb_elem_tot();
  Stencil stencil(0, 2);
 
  for (e = 0; e < le_dom_PolyMAC_CDO->nb_elem(); e++)
    for (n = 0; n < N; n++) stencil.append_line(e, N * e + n);
  Matrix_tools::allocate_morse_matrix(ne_tot, N * ne_tot, stencil, *matrices.at("alpha"));
}
 
void Assembleur_P_PolyMAC_MPFA::assembler_continuite(matrices_t matrices, DoubleTab& secmem, int aux_only) const
{
  if (aux_only) return;
  const DoubleTab& alpha = ref_cast(Pb_Multiphase, equation().probleme()).equation_masse().inconnue().valeurs();
  Matrice_Morse& mat = *matrices.at("alpha");
  const DoubleVect& ve = le_dom_PolyMAC_CDO->volumes(), &pe = equation().milieu().porosite_elem();
  int e, n, N = alpha.line_size();
  /* right-hand side: multiply by porosity * volume so that the system in P is symmetric in Cartesian */
  for (e = 0; e < le_dom_PolyMAC_CDO->nb_elem(); e++)
    for (secmem(e) = -pe(e) * ve(e), n = 0; n < N; n++) secmem(e) += pe(e) * ve(e) * alpha(e, n);
  /* matrice */
  for (e = 0; e < le_dom_PolyMAC_CDO->nb_elem(); e++)
    for (n = 0; n < N; n++) mat(e, N * e + n) = -pe(e) * ve(e);
}