Portance_interfaciale_VDF.cpp

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#include <Portance_interfaciale_base.h>
#include <Portance_interfaciale_VDF.h>
#include <Milieu_composite.h>
#include <Champ_Face_VDF.h>
#include <Pb_Multiphase.h>
 
Implemente_instanciable(Portance_interfaciale_VDF, "Portance_interfaciale_VDF_Face", Source_Portance_interfaciale_base);
 
Sortie& Portance_interfaciale_VDF::printOn(Sortie& os) const { return os; }
Entree& Portance_interfaciale_VDF::readOn(Entree& is) {  return Source_Portance_interfaciale_base::readOn(is); }
 
void Portance_interfaciale_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("Portance_interfaciale_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_VDF& domaine = ref_cast(Domaine_VDF, equation().domaine_dis());
  const IntTab& f_e = domaine.face_voisins(), &e_f = domaine.elem_faces(), &fcl = ch.fcl();
  const DoubleTab& n_f = domaine.face_normales(), &vf_dir = domaine.volumes_entrelaces_dir(),  &xv = domaine.xv();
  const DoubleVect& pf = equation().milieu().porosite_face(), &vf = domaine.volumes_entrelaces(), &fs = domaine.face_surfaces();
  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(),
                        &grad_v = equation().probleme().get_champ("gradient_vitesse").valeurs(),
                         &vort  = equation().probleme().get_champ("vorticite").valeurs(),
                          * d_bulles = (equation().probleme().has_champ("diametre_bulles")) ? &equation().probleme().get_champ("diametre_bulles").valeurs() : nullptr,
                            * k_turb = (equation().probleme().has_champ("k")) ? &equation().probleme().get_champ("k").passe() : nullptr ;
  const Milieu_composite& milc = ref_cast(Milieu_composite, equation().milieu());
 
  int e, f, c, d, i, k, l, n, N = ch.valeurs().line_size(), Np = press.line_size(), D = dimension, Nk = (k_turb) ? (*k_turb).dimension(1) : 1 ,
                              cR = (rho.dimension_tot(0) == 1), cM = (mu.dimension_tot(0) == 1);
  DoubleTrav vr_l(N,D), scal_ur(N), scal_u(N), pvit_l(N, D), vort_l( D==2 ? 1 :D); // Required for vorticity and u_l-u_g corrections
  double fac_f, vl_norm;
  const Portance_interfaciale_base& correlation_pi = ref_cast(Portance_interfaciale_base, correlation_.valeur());
 
  // 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);
 
  // in/out for correlation
  Portance_interfaciale_base::input_t in;
  Portance_interfaciale_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.d_bulles.resize(N), in.nv.resize(N, N);
  out.Cl.resize(N, N);
 
  // For the span methods of the Interface class to retrieve the surface tension
  const int nbelem_tot = domaine.nb_elem_tot(), nb_max_sat =  N * (N-1) /2; // yes!! arithmetic sequence!!
  DoubleTrav Sigma_tab(nbelem_tot,nb_max_sat);
 
  // fill the arrays ...
  for (k = 0; k < N; k++)
    for (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 < nbelem_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 (i = 0 ; i<nbelem_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)));
          }
      }
 
 
  for (f = 0 ; f<domaine.nb_faces() ; f++)
    if (fcl(f, 0) < 2)
      {
        in.alpha=0., in.T=0., in.p=0., in.rho=0., in.mu=0., in.sigma=0., in.k_turb=0., in.d_bulles=0., in.nv=0.;
        for ( c = 0; c < 2 ; c++)
          if ((e = f_e(f, c)) >= 0 )
            {
              for (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.d_bulles[n] += (d_bulles) ? vf_dir(f, c)/vf(f) *(*d_bulles)(e,n) : 0 ;
                  for (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 (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 (n = 0; n <Nk; n++) in.k_turb[n]   += (k_turb)   ? vf_dir(f, c)/vf(f) * (*k_turb)(e,0) : 0;
            }
 
        correlation_pi.coefficient(in, out);
 
        // What about n_l != 0?
        vort_l = 0;
 
        if ( (f_e(f, 0)<0) || (f_e(f,1)<0) ) vort_l(0) = f_e(f, 0)>=0 ? vort(f_e(f, 0), n_l) : vort(f_e(f, 1), n_l) ;
        else
          {
            {
              int orif = domaine.orientation(f);
              DoubleTrav grad_loc(D);
              for ( c = 0; c < 2 ; c++)
                {
                  e = f_e(f, c);
                  for ( d = 0 ; d < e_f.line_size() ; d++)
                    {
                      int fb = e_f(e,d);
                      int orifb = domaine.orientation(fb);
                      if (orifb != orif) grad_loc(orifb) += .25*pvit(fb, n_l)/(xv(fb, orif)-xv(f, orif));
                    }
                }
              DoubleTrav grad_ll(D,D);
              for ( c = 0; c < 2 ; c++)
                for (int d_U=0; d_U<D; d_U++)
                  for (int d_X=0; d_X<D; d_X++)
                    grad_ll(d_U,d_X) += grad_v( e, N * ( D*d_U+d_X ) + n_l) * vf_dir(f, c)/vf(f);
              for (int oril = 0 ; oril<D ; oril++)
                if (oril != orif)
                  grad_ll(oril,orif) = grad_loc(oril);
              if (D==2) vort_l(0) = grad_ll(1,0) - grad_ll(0,1);
              else // (D==3)
                {
                  vort_l(0) = grad_ll(2, 1) - grad_ll(1, 2); // dUz/dy - dUy/dz
                  vort_l(1) = grad_ll(0, 2) - grad_ll(2, 0); // dUx/dz - dUz/dx
                  vort_l(2) = grad_ll(1, 0) - grad_ll(0, 1); // dUy/dx - dUx/dy
                }
            }
          }
 
        // We also need to calculate relative velocity at the face
        pvit_l = 0 ;
        for (d = 0 ; d<D ; d++)
          for (k = 0 ; k<N ; k++)
            for ( c = 0; c < 2 ; c++)
              if ((e = f_e(f, c)) >= 0 )
                pvit_l(k, d) += vf_dir(f, c)/vf(f)*pvit_elem(e, N*d+k) ;
        scal_u = 0;
        for (k = 0 ; k<N ; k++)
          for (d = 0 ; d<D ; d++)
            scal_u(k) += pvit_l(k, d)*n_f(f, d)/fs(f);
        for (k = 0 ; k<N ; k++)
          for (d = 0 ; d<D ; d++)
            pvit_l(k, d) += (pvit(f, k) - scal_u(k)) * n_f(f, d)/fs(f) ; // Corect velocity at the face
        vl_norm = 0;
        scal_ur = 0;
        for (d = 0 ; d < D ; d++) vl_norm += pvit_l(n_l, d)*pvit_l(n_l, d);
        vl_norm = std::sqrt(vl_norm);
        if (vl_norm > 1.e-6)
          {
            for (k = 0; k < N; k++)
              for (d = 0 ; d < D ; d++) scal_ur(k) += pvit_l(n_l, d)/vl_norm * (pvit_l(k, d) -pvit_l(n_l, d));
            for (k = 0; k < N; k++)
              for (d = 0 ; d < D ; d++) vr_l(k, d)  = pvit_l(n_l, d)/vl_norm * scal_ur(k) ;
          }
        else for (k=0 ; k<N ; k++)
            for (d=0 ; d<D ; d++) vr_l(k, d) = pvit_l(k, d)-pvit_l(n_l, d) ;
 
        if (D==2)
          {
            // Use local vairables for the calculation of secmem
            fac_f = beta_*pf(f) * vf(f);
            for (k = 0; k < N; k++)
              if (k!= n_l) // gas phase
                {
                  secmem(f, n_l) += fac_f * n_f(f, 0)/fs(f) * out.Cl(n_l, k) * vr_l(k, 1) * vort_l(0) ;
                  secmem(f,  k ) -= fac_f * n_f(f, 0)/fs(f) * out.Cl(n_l, k) * vr_l(k, 1) * vort_l(0) ;
                  secmem(f, n_l) -= fac_f * n_f(f, 1)/fs(f) * out.Cl(n_l, k) * vr_l(k, 0) * vort_l(0) ;
                  secmem(f,  k ) += fac_f * n_f(f, 1)/fs(f) * out.Cl(n_l, k) * vr_l(k, 0) * vort_l(0) ;
                } // 100% explicit
          }
 
        if (D==3)
          {
            // Use local vairables for the calculation of secmem
            fac_f = beta_*pf(f) * vf(f);
            for (k = 0; k < N; k++)
              if (k!= n_l) // gas phase
                {
                  secmem(f, n_l) += fac_f * n_f(f, 0)/fs(f) * out.Cl(n_l, k) * (vr_l(k, 1) * vort_l(2) - vr_l(k, 2) * vort_l(1)) ;
                  secmem(f,  k ) -= fac_f * n_f(f, 0)/fs(f) * out.Cl(n_l, k) * (vr_l(k, 1) * vort_l(2) - vr_l(k, 2) * vort_l(1)) ;
                  secmem(f, n_l) += fac_f * n_f(f, 1)/fs(f) * out.Cl(n_l, k) * (vr_l(k, 2) * vort_l(0) - vr_l(k, 0) * vort_l(2)) ;
                  secmem(f,  k ) -= fac_f * n_f(f, 1)/fs(f) * out.Cl(n_l, k) * (vr_l(k, 2) * vort_l(0) - vr_l(k, 0) * vort_l(2)) ;
                  secmem(f, n_l) += fac_f * n_f(f, 2)/fs(f) * out.Cl(n_l, k) * (vr_l(k, 0) * vort_l(1) - vr_l(k, 1) * vort_l(0)) ;
                  secmem(f,  k ) -= fac_f * n_f(f, 2)/fs(f) * out.Cl(n_l, k) * (vr_l(k, 0) * vort_l(1) - vr_l(k, 1) * vort_l(0)) ;
                } // 100% explicit
          }
      }
}