Dispersion_bulles_VDF.cpp

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#include <Viscosite_turbulente_base.h>
#include <Dispersion_bulles_base.h>
#include <Dispersion_bulles_VDF.h>
#include <Operateur_Diff_base.h>
#include <Milieu_composite.h>
#include <Masse_Multiphase.h>
#include <Champ_Face_VDF.h>
#include <Operateur_Grad.h>
#include <Pb_Multiphase.h>
#include <Domaine_VF.h>
 
Implemente_instanciable(Dispersion_bulles_VDF, "Dispersion_bulles_VDF_Face", Source_Dispersion_bulles_base);
 
Sortie& Dispersion_bulles_VDF::printOn(Sortie& os) const { return os; }
 
Entree& Dispersion_bulles_VDF::readOn(Entree& is)
{
  Source_Dispersion_bulles_base::readOn(is);
  if (ref_cast(Operateur_Diff_base, equation().operateur(0).l_op_base()).is_turb()) is_turb = 1;
  return is;
}
 
void Dispersion_bulles_VDF::ajouter_blocs(matrices_t matrices, DoubleTab& secmem, const tabs_t& semi_impl) const
{
  const Pb_Multiphase& pbm = ref_cast(Pb_Multiphase, equation().probleme());
  const bool res_en_T = pbm.resolution_en_T();
  if (!res_en_T) Process::exit("Dispersion_bulles_VDF::ajouter_blocs NOT YET PORTED TO ENTHALPY EQUATION ! TODO FIXME !!");
 
  const Champ_Face_VDF& ch = ref_cast(Champ_Face_VDF, equation().inconnue());
  const Domaine_VF& domaine = ref_cast(Domaine_VF, equation().domaine_dis());
  const IntTab& f_e = domaine.face_voisins(), &fcl = ch.fcl();
  const DoubleVect& pf = equation().milieu().porosite_face(), &vf = domaine.volumes_entrelaces();
  const DoubleTab& vf_dir = domaine.volumes_entrelaces_dir();
  const DoubleTab& pvit = ch.passe(),
                   &alpha = pbm.equation_masse().inconnue().passe(),
                    &press = ref_cast(QDM_Multiphase, pbm.equation_qdm()).pression().passe(),
                     &temp = pbm.equation_energie().inconnue().passe(),
                      &rho   = equation().milieu().masse_volumique().passe(),
                       &mu    = ref_cast(Fluide_base, equation().milieu()).viscosite_dynamique().passe();
  const Milieu_composite& milc = ref_cast(Milieu_composite, equation().milieu());
 
  DoubleTab const * d_bulles = (equation().probleme().has_champ("diametre_bulles")) ? &equation().probleme().get_champ("diametre_bulles").valeurs() : nullptr ;
  DoubleTab const * k_turb = (equation().probleme().has_champ("k")) ? &equation().probleme().get_champ("k").passe() : nullptr ;
 
  int N = pvit.line_size() , Np = press.line_size(), nf_tot = domaine.nb_faces_tot(), nf = domaine.nb_faces(), ne_tot = domaine.nb_elem_tot(),  cR = (rho.dimension_tot(0) == 1), cM = (mu.dimension_tot(0) == 1), Nk = (k_turb) ? (*k_turb).dimension(1) : 1;
  DoubleTrav nut(domaine.nb_elem_tot(), N); //turbulent viscosity
  if (is_turb) ref_cast(Viscosite_turbulente_base, (*ref_cast(Operateur_Diff_base, equation().operateur(0).l_op_base()).correlation_viscosite_turbulente())).eddy_viscosity(nut); //fill via the correlation
 
  // Input-output
  const Dispersion_bulles_base& correlation_db = ref_cast(Dispersion_bulles_base, correlation_.valeur());
  Dispersion_bulles_base::input_t in;
  Dispersion_bulles_base::output_t out;
  in.alpha.resize(N), in.T.resize(N), in.p.resize(N), in.rho.resize(N), in.mu.resize(N), in.sigma.resize(N*(N-1)/2), in.k_turb.resize(N), in.nut.resize(N), in.d_bulles.resize(N), in.nv.resize(N, N);
  out.Ctd.resize(N, N);
 
  /* Computation of grad alpha at faces */
 
  DoubleTrav grad_f_a(nf_tot, N);
  assert ( alpha.dimension_tot(0) == ne_tot );
  const Masse_Multiphase& eq_alp = ref_cast(Masse_Multiphase, pbm.equation_masse());
  const Operateur_Grad& Op_Grad_alp = eq_alp.operateur_gradient_inconnue();
  Op_Grad_alp.calculer(alpha,grad_f_a); // compute grad(diss) at faces
 
  // Past velocity at elements
  DoubleTab pvit_elem(0, N * dimension);
  domaine.domaine().creer_tableau_elements(pvit_elem);
  ch.get_elem_vector_field(pvit_elem, true);
 
  // For the span methods of the Interface class to retrieve the surface tension
  const int nb_max_sat =  N * (N-1) /2; // yes!! arithmetic sequence!!
  DoubleTrav Sigma_tab(ne_tot,nb_max_sat);
 
  // fill the arrays ...
  for (int k = 0; k < N; k++)
    for (int l = k + 1; l < N; l++)
      {
        if (milc.has_saturation(k, l))
          {
            Saturation_base& z_sat = milc.get_saturation(k, l);
            const int ind_trav = (k*(N-1)-(k-1)*(k)/2) + (l-k-1); // Yes! upper triangular matrix!
            // retrieve sigma ...
            const DoubleTab& sig = z_sat.get_sigma_tab();
            // fill in the good case
            for (int ii = 0; ii < ne_tot; ii++) Sigma_tab(ii, ind_trav) = sig(ii);
          }
        else if (milc.has_interface(k, l))
          {
            Interface_base& sat = milc.get_interface(k,l);
            const int ind_trav = (k*(N-1)-(k-1)*(k)/2) + (l-k-1); // Yes! upper triangular matrix!
            for (int i = 0 ; i<ne_tot ; i++)
              Sigma_tab(i,ind_trav) = res_en_T ? sat.sigma(temp(i,k),press(i,k * (Np > 1))) : sat.sigma_h(temp(i,k),press(i,k * (Np > 1)));
          }
      }
 
  /* faces */
  for (int f = 0; f < nf; f++)
    if (fcl(f, 0) < 2)
      {
        in.alpha=0., in.T=0., in.rho=0., in.mu=0., in.sigma=0., in.k_turb=0., in.nut=0., in.d_bulles=0., in.nv=0.;
        int e;
        for (int c = 0; c < 2 && (e = f_e(f, c)) >= 0; c++)
          {
            for (int n = 0; n < N; n++)
              {
                in.alpha[n]   += vf_dir(f, c)/vf(f) * alpha(e, n);
                in.p[n]   += vf_dir(f, c)/vf(f) * press(e, n * (Np > 1));
                in.T[n]   += vf_dir(f, c)/vf(f) * temp(e, n); // FIXME si res_en_T
                in.rho[n] += vf_dir(f, c)/vf(f) * rho(!cR * e, n);
                in.mu[n]  += vf_dir(f, c)/vf(f) * mu(!cM * e, n);
                in.nut[n] += is_turb    ? vf_dir(f, c)/vf(f) * nut(e,n) : 0;
                in.d_bulles[n] += (d_bulles) ? vf_dir(f, c)/vf(f) * (*d_bulles)(e,n) : 0;
                for (int k = n+1; k < N; k++)
                  if (milc.has_interface(n,k))
                    {
                      const int ind_trav = (n*(N-1)-(n-1)*(n)/2) + (k-n-1);
                      in.sigma[ind_trav] += vf_dir(f, c) / vf(f) * Sigma_tab(e, ind_trav);
                    }
                for (int k = 0; k < N; k++)
                  in.nv(k, n) += vf_dir(f, c)/vf(f) * ch.v_norm(pvit_elem, pvit, e, f, k, n, nullptr, nullptr);
              }
            for (int n = 0; n <Nk; n++) in.k_turb[n]   += (k_turb)   ? vf_dir(f, c)/vf(f) * (*k_turb)(e,0) : 0;
          }
 
        correlation_db.coefficient(in, out);
 
        for (int k = 0; k < N; k++)
          for (int l = 0; l < N; l++)
            if (k != l)
              {
                double fac = beta_*pf(f) * vf(f);
                secmem(f, k) += fac * ( - out.Ctd(k, l) * grad_f_a(f, k) + out.Ctd(l, k) * grad_f_a(f, l));
              }
      }
}