Paroi_negligeable_VEF.cpp

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#include <Paroi_negligeable_VEF.h>
#include <Dirichlet_paroi_fixe.h>
#include <Modele_turbulence_hyd_base.h>
#include <Operateur_base.h>
#include <Champ_Uniforme.h>
#include <distances_VEF.h>
#include <Milieu_base.h>
#include <Fluide_base.h>
#include <Champ_P1NC.h>
#include <TRUSTTrav.h>
#include <Operateur.h>
 
Implemente_instanciable(Paroi_negligeable_VEF, "negligeable_VEF", Paroi_hyd_base_VEF);
 
Sortie& Paroi_negligeable_VEF::printOn(Sortie& s) const
{
  return s << que_suis_je() << " " << le_nom();
}
 
Entree& Paroi_negligeable_VEF::readOn(Entree& s)
{
  return s;
}
 
int Paroi_negligeable_VEF::init_lois_paroi()
{
  init_lois_paroi_();
 
  // Size the elem_paroi array
  int num_cl, fac, i;
  const Conds_lim& les_cl = le_dom_Cl_dis_->les_conditions_limites();
  //  const IntTab& elem_faces = le_dom_VEF->elem_faces();
  const IntTab& face_voisins = le_dom_dis_->face_voisins();
 
  DoubleTrav Verif_elem_double(le_dom_dis_->nb_elem());
  compteur_elem_paroi = 0;
  Verif_elem_double = 0;
  elem_paroi.resize(le_dom_dis_->nb_faces_bord());
  elem_paroi_double.resize(le_dom_dis_->nb_faces_bord());
 
  for (num_cl = 0; num_cl < les_cl.size(); num_cl++)
    {
      const Cond_lim& la_cl = les_cl[num_cl];
      const Front_VF& la_front_dis = ref_cast(Front_VF, la_cl->frontiere_dis());
      int ndeb = la_front_dis.num_premiere_face();
      int nfin = ndeb + la_front_dis.nb_faces();
      int num1, verif;
 
      if (sub_type(Dirichlet_paroi_fixe, la_cl.valeur()))
        {
          for (fac = ndeb; fac < nfin; fac++)
            {
              num1 = face_voisins(fac, 0);
              if (num1 == -1)
                num1 = face_voisins(fac, 1);
              if (Verif_elem_double[num1] == 0)
                {
                  elem_paroi[compteur_elem_paroi] = num1;
                  elem_paroi_double[fac] = compteur_elem_paroi;
                  Verif_elem_double[num1]++;
                  compteur_elem_paroi++;
                }
              else
                {
                  verif = 0;
                  for (i = 0; i < compteur_elem_paroi; i++)
                    {
                      if (elem_paroi[i] == num1)
                        {
                          elem_paroi_double[fac] = i;
                          verif++;
                        }
                    }
                  if (verif == 0)
                    {
                      Cerr << "There is a serious problem in the determination of elem_paroi_double" << finl;
                    }
                }
            }
        }
    }
  elem_paroi.resize(compteur_elem_paroi);  // We have all elements touching the wall by one face
  // PBL: do we have duplicates???? -> No, because of Verif_elem_double!!
  return 1;
}
 
int Paroi_negligeable_VEF::calculer_hyd_BiK(DoubleTab& tab_k, DoubleTab& tab_eps)
{
  return calculer_hyd(tab_k); // the value in argument is not used anyway
}
 
int Paroi_negligeable_VEF::calculer_hyd(DoubleTab& tab_k_eps)
{
 
  const Equation_base& eqn_hydr = mon_modele_turb_hyd->equation();
  if (sub_type(Fluide_base, eqn_hydr.milieu()))
    {
 
      int ndeb, nfin, elem, l_unif;
      double norm_tau, u_etoile, norm_v = 0, dist = 0, val1, val2, val3, d_visco, visco = 1.;
      IntVect num(dimension);
 
      const Domaine_VEF& domaine_VEF = ref_cast(Domaine_VEF, le_dom_dis_.valeur());
      const IntTab& face_voisins = domaine_VEF.face_voisins();
      const IntTab& elem_faces = domaine_VEF.elem_faces();
      const Fluide_base& le_fluide = ref_cast(Fluide_base, eqn_hydr.milieu());
      const Champ_Don_base& ch_visco_cin = le_fluide.viscosite_cinematique();
      const DoubleTab& tab_visco = ch_visco_cin.valeurs();
      const DoubleTab& vit = eqn_hydr.inconnue().valeurs();
 
      if (sub_type(Champ_Uniforme, ch_visco_cin))
        {
          if (tab_visco(0, 0) > DMINFLOAT)
            visco = tab_visco(0, 0);
          else
            visco = DMINFLOAT;
          l_unif = 1;
        }
      else
        l_unif = 0;
      if ((!l_unif) && (tab_visco.local_min_vect() < DMINFLOAT))
        {
          Cerr << "In Paroi_negligeable_VEF::calculer_hyd : visco = " << tab_visco.local_min_vect() << " <= 0 ? " << finl;
          exit();
        }
 
      for (int n_bord = 0; n_bord < domaine_VEF.nb_front_Cl(); n_bord++)
        {
          const Cond_lim& la_cl = le_dom_Cl_dis_->les_conditions_limites(n_bord);
 
          if (sub_type(Dirichlet_paroi_fixe, la_cl.valeur()))
            {
              const Front_VF& le_bord = ref_cast(Front_VF, la_cl->frontiere_dis());
              ndeb = le_bord.num_premiere_face();
              nfin = ndeb + le_bord.nb_faces();
              ToDo_Kokkos("To avoid an expensive copy D2H of array velocity.");
              for (int num_face = ndeb; num_face < nfin; num_face++)
                {
                  elem = face_voisins(num_face, 0);
                  if (dimension == 2)
                    {
 
                      num[0] = elem_faces(elem, 0);
                      num[1] = elem_faces(elem, 1);
 
                      if (num[0] == num_face)
                        num[0] = elem_faces(elem, 2);
                      else if (num[1] == num_face)
                        num[1] = elem_faces(elem, 2);
 
                      dist = distance_2D(num_face, elem, domaine_VEF);
                      dist *= 3. / 2.; // to convert to wall distance / midpoint of num[0]-num[1]
                      //norm_v=norm_2D_vit1_lp(vit,num_face,num[0],num[1],domaine_VEF,val1,val2);
                      norm_v = norm_2D_vit1(vit, num[0], num[1], num_face, domaine_VEF, val1, val2);
 
                    } // dim 2
                  else if (dimension == 3)
                    {
 
                      num[0] = elem_faces(elem, 0);
                      num[1] = elem_faces(elem, 1);
                      num[2] = elem_faces(elem, 2);
 
                      if (num[0] == num_face)
                        num[0] = elem_faces(elem, 3);
                      else if (num[1] == num_face)
                        num[1] = elem_faces(elem, 3);
                      else if (num[2] == num_face)
                        num[2] = elem_faces(elem, 3);
 
                      dist = distance_3D(num_face, elem, domaine_VEF);
                      dist *= 4. / 3.; // to convert to wall distance / midpoint of num[0]-num[1]-num[2]
                      //norm_v=norm_3D_vit1_lp(vit, num_face, num[0], num[1], num[2], domaine_VEF, val1, val2, val3);
                      norm_v = norm_3D_vit1(vit, num_face, num[0], num[1], num[2], domaine_VEF, val1, val2, val3);
 
                    }                      // dim 3
 
                  if (l_unif)
                    d_visco = visco;
                  else
                    d_visco = tab_visco[elem];
 
                  norm_tau = d_visco * norm_v / dist;
                  u_etoile = sqrt(norm_tau);
                  tab_u_star_(num_face) = u_etoile;
 
                }                      // loop on faces
 
            }                      // End of fixed wall
 
        }                      // End of loop over boundaries
 
    }
 
  return 1;
}
 
// This is the one we are interested in!!!
int Paroi_negligeable_VEF::calculer_hyd(DoubleTab& tab_nu_t, DoubleTab& tab_k)
{
  const Equation_base& eqn_hydr = mon_modele_turb_hyd->equation();
  if (sub_type(Fluide_base, eqn_hydr.milieu()))
    {
      const Domaine_VEF& domaine_VEF = ref_cast(Domaine_VEF, le_dom_dis_.valeur());
      const Fluide_base& le_fluide = ref_cast(Fluide_base, eqn_hydr.milieu());
      const Champ_Don_base& ch_visco_cin = le_fluide.viscosite_cinematique();
      const DoubleTab& tab_visco = ch_visco_cin.valeurs();
 
      double visco0;
      bool l_unif;
      if (sub_type(Champ_Uniforme, ch_visco_cin))
        {
          if (tab_visco(0, 0) > DMINFLOAT)
            visco0 = tab_visco(0, 0);
          else
            visco0 = DMINFLOAT;
          l_unif = true;
        }
      else
        {
          visco0 = -1;
          l_unif = false;
        }
      if ((!l_unif) && (tab_visco.local_min_vect() < DMINFLOAT))
        {
          Cerr << "In Paroi_negligeable_VEF::calculer_hyd : visco = " << tab_visco.local_min_vect() << " <= 0 ? " << finl;
          exit();
        }
 
      for (int n_bord = 0; n_bord < domaine_VEF.nb_front_Cl(); n_bord++)
        {
          const Cond_lim& la_cl = le_dom_Cl_dis_->les_conditions_limites(n_bord);
          if (sub_type(Dirichlet_paroi_fixe, la_cl.valeur()))
            {
              const Front_VF& le_bord = ref_cast(Front_VF, la_cl->frontiere_dis());
              int ndeb = le_bord.num_premiere_face();
              int nfin = ndeb + le_bord.nb_faces();
              int dim = Objet_U::dimension;
              int nfac = domaine_VEF.domaine().nb_faces_elem();
              CDoubleTabView xp = domaine_VEF.xp().view_ro();
              CDoubleTabView xv = domaine_VEF.xv().view_ro();
              CDoubleTabView face_normale = domaine_VEF.face_normales().view_ro();
              CIntTabView elem_faces = domaine_VEF.elem_faces().view_ro();
              CIntTabView face_voisins = domaine_VEF.face_voisins().view_ro();
              CDoubleTabView vit = eqn_hydr.inconnue().valeurs().view_ro();
              CDoubleArrView visco = static_cast<const DoubleVect&>(tab_visco).view_ro();
              DoubleArrView tab_u_star = tab_u_star_.view_rw();
              Kokkos::parallel_for(start_gpu_timer(__KERNEL_NAME__), Kokkos::RangePolicy<>(ndeb, nfin), KOKKOS_LAMBDA (const int num_face)
              {
                int num[3];
                double val[3];
                int elem = face_voisins(num_face, 0);
                int fac = 0;
                for (int i = 0; i < dim; i++)
                  {
                    if (elem_faces(elem, fac) == num_face) fac++;
                    num[i] = elem_faces(elem, fac);
                    fac++;
                  }
                double dist = distance(dim, num_face, elem, xp, xv, face_normale);
                dist *= (dim + 1.) / dim;                      // to convert to wall distance / midpoint of num[0]-num[1]
                double norm_v = norm_vit1(dim, vit, num_face, nfac, num, face_normale, val);
                double d_visco = l_unif ? visco0 : visco[elem];
                double norm_tau = d_visco * norm_v / dist;
                double u_etoile = sqrt(norm_tau);
                tab_u_star(num_face) = u_etoile;
              });          // loop on faces
              end_gpu_timer(__KERNEL_NAME__);
            }                      // End of fixed wall
        }                      // End of loop over boundaries
    }
  return 1;
}
 
int Paroi_negligeable_VEF::calculer_scal(Champ_Fonc_base&)
{
  return 1;
}
 
bool Paroi_negligeable_VEF::use_shear() const
{
  return false;
}