Op_Div_PolyMAC_HFV.cpp

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#include <Champ_Face_PolyMAC_HFV.h>
#include <Op_Div_PolyMAC_HFV.h>
#include <Check_espace_virtuel.h>
#include <Domaine_Cl_PolyMAC_family.h>
#include <Navier_Stokes_std.h>
#include <Schema_Temps_base.h>
#include <Probleme_base.h>
#include <EcrFicPartage.h>
#include <Matrice_Morse.h>
#include <Matrix_tools.h>
#include <Array_tools.h>
#include <Debog.h>
 
Implemente_instanciable(Op_Div_PolyMAC_HFV, "Op_Div_PolyMAC_HFV", Op_Div_PolyMAC_CDO);
 
Sortie& Op_Div_PolyMAC_HFV::printOn(Sortie& s) const { return s << que_suis_je(); }
 
Entree& Op_Div_PolyMAC_HFV::readOn(Entree& s) { return s; }
 
void Op_Div_PolyMAC_HFV::dimensionner_blocs(matrices_t matrices, const tabs_t& semi_impl) const
{
  const Domaine_PolyMAC_HFV& domaine = ref_cast(Domaine_PolyMAC_HFV, le_dom_PolyMAC_CDO.valeur());
  const Champ_Face_PolyMAC_HFV& ch = ref_cast(Champ_Face_PolyMAC_HFV, equation().inconnue());
  const DoubleTab& inco = ch.valeurs(), &press = ref_cast(Navier_Stokes_std, equation()).pression().valeurs();
  const IntTab& e_f = domaine.elem_faces(), &f_e = domaine.face_voisins(), &fcl = ch.fcl();
  const int ne_tot = domaine.nb_elem_tot();
 
  Matrice_Morse *matv = matrices.count("vitesse") ? matrices["vitesse"] : nullptr,
                 *matp = matrices.count("pression") ? matrices["pression"] : nullptr,
                  matv2, matp2;
 
  Stencil sten_v(0, 2), sten_p(0, 2);
  DoubleTab w2; //w2 matrix at elements (same as in Op_Grad and Assembleur_P)
 
  // Dependence on v: divergence per element and v = v_imp at Dirichlet faces
  if (matv)
    for (int f = 0; f < domaine.nb_faces(); f++)
      {
        if (fcl(f, 0) > 1) // v imposed by boundary conditions
          sten_v.append_line(ne_tot + f, f);
        else // v computed: contribution to element divergence
          for (int i = 0; i < 2; i++)
            {
              const int e = f_e(f, i);
              if (e < 0) continue;
 
              if (e < domaine.nb_elem())
                sten_v.append_line(e, f);
            }
      }
 
  // Dependence on p: equation on p_f
  if (matp)
    {
      for (int e = 0; e < domaine.nb_elem_tot(); e++)
        {
          domaine.W2(nullptr, e, w2); // Compute the W2 matrix
 
          for (int i = 0; i < w2.dimension(0); i++)
            {
              int f = e_f(e, i);
              if (fcl(f, 0) == 1) // At Neumann faces: p_f = p_imp
                sten_p.append_line(ne_tot + f, ne_tot + f);
              else if (!fcl(f, 0))
                {
                  // At internal faces: equality of the two gradients
                  sten_p.append_line(ne_tot + f, e);
                  for (int j = 0; j < w2.dimension(1); j++)
                    if (w2(i, j, 0))
                      sten_p.append_line(ne_tot + f, ne_tot + e_f(e, j));
                }
            }
        }
 
      // Empty diagonal for matp
      for (int e = 0; e < domaine.nb_elem(); e++)
        sten_p.append_line(e, e);
    }
 
  // Allocate matrices for matv
  if (matv)
    {
      tableau_trier_retirer_doublons(sten_v);
      Matrix_tools::allocate_morse_matrix(press.size_totale(), inco.size_totale(), sten_v, matv2);
 
      if (matv->nb_colonnes())
        *matv += matv2;
      else
        *matv = matv2;
    }
 
  // Allocate matrices for matp
  if (matp)
    {
      tableau_trier_retirer_doublons(sten_p);
      Matrix_tools::allocate_morse_matrix(press.size_totale(), press.size_totale(), sten_p, matp2);
 
      if (matp->nb_colonnes())
        *matp += matp2;
      else
        *matp = matp2;
    }
}
 
void Op_Div_PolyMAC_HFV::ajouter_blocs_ext(const DoubleTab& vit, matrices_t matrices, DoubleTab& secmem, const tabs_t& semi_impl) const
{
  const Domaine_PolyMAC_HFV& domaine = ref_cast(Domaine_PolyMAC_HFV, le_dom_PolyMAC_CDO.valeur());
  const Champ_Face_PolyMAC_HFV& ch = ref_cast(Champ_Face_PolyMAC_HFV, equation().inconnue());
  const Conds_lim& cls = le_dcl_PolyMAC_CDO->les_conditions_limites();
  const DoubleTab& press = ref_cast(Navier_Stokes_std, equation()).pression().valeurs(), &nf = domaine.face_normales();
  const IntTab& e_f = domaine.elem_faces(), &f_e = domaine.face_voisins(), &fcl = ch.fcl();
  const DoubleVect& fs = domaine.face_surfaces(), &pf = equation().milieu().porosite_face();
  const int ne_tot = domaine.nb_elem_tot(), D = dimension, has_f = secmem.dimension_tot(0) > ne_tot;
  Matrice_Morse *matv = matrices.count("vitesse") ? matrices["vitesse"] : nullptr, *matp = matrices.count("pression") ? matrices["pression"] : nullptr; //, matv2, matp2;
 
  DoubleTrav w2; //w2 matrix at elements (same as in Op_Grad and Assembleur_P)
 
 
  DoubleTab& tab_flux_bords = flux_bords_;
  tab_flux_bords.resize(domaine.nb_faces_bord(), 1);
 
  for (int f = 0; f < domaine.nb_faces(); f++) /* divergence at elements + equations at boundaries */
    {
      for (int i = 0; i < 2; i++)
        {
          const int e = f_e(f, i);
          if (e < 0) continue;
 
          if (e < domaine.nb_elem()) /* divergence at elements */
            {
              secmem(e) -= (i ? 1 : -1) * fs(f) * pf(f) * vit(f);
              if (fcl(f, 0) < 2 && matv)
                (*matv)(e, f) += (i ? 1 : -1) * fs(f) * pf(f);
            }
        }
 
      if (f < domaine.premiere_face_int())
        tab_flux_bords(f) = fs(f) * pf(f) * vit(f);
 
      /* equations v = v_imp or p = p_imp at boundary faces */
      if (has_f && fcl(f, 0) > 1)
        {
          if (fcl(f, 0) == 3)
            for (int d = 0; d < D; d++)
              secmem(ne_tot + f) += nf(f, d) * pf(f) * ref_cast(Dirichlet, cls[fcl(f, 1)].valeur()).val_imp(fcl(f, 2), d);
          secmem(ne_tot + f) -= fs(f) * pf(f) * vit(f);
          if (matv)
            (*matv)(ne_tot + f, f) += fs(f) * pf(f);
        }
      else if (has_f && matp && fcl(f, 0) == 1) // if called from ajouter(vpoint, div) then do nothing here
        {
          secmem(ne_tot + f) += ref_cast(Neumann, cls[fcl(f, 1)].valeur()).flux_impose(fcl(f, 2), 0) - press(ne_tot + f);
          (*matp)(ne_tot + f, ne_tot + f) += 1;
        }
    }
 
  /* equations at internal faces: gradient equality */
  if (!has_f || matrices.size() == 0) return; // already done in assembleur_pression
  for (int e = 0; e < domaine.nb_elem_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() && !fcl(f, 0))
            {
              double coeff_e = 0.;
 
              for (int j = 0; j < w2.dimension(1); j++)
                if (w2(i, j, 0))
                  {
                    const int fb = e_f(e, j);
 
                    secmem(ne_tot + f) -= pf(f) * w2(i, j, 0) * (press(ne_tot + fb) - press(e));
 
                    if (matp)
                      (*matp)(ne_tot + f, ne_tot + fb) += pf(f) * w2(i, j, 0), coeff_e += pf(f) * w2(i, j, 0);
                  }
 
              if (matp)
                (*matp)(ne_tot + f, e) -= coeff_e;
            }
        }
    }
}