Op_Conv_Centre_old_VEF_Face.cpp

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#include <Op_Conv_Centre_old_VEF_Face.h>
#include <Periodique.h>
#include <Neumann_sortie_libre.h>
 
Implemente_instanciable(Op_Conv_Centre_old_VEF_Face,"Op_Conv_Centre_old_VEF_P1NC",Op_Conv_VEF_base);
// XD convection_centre_old convection_deriv centre_old NO_BRACE Only for VEF discretization.
 
//// printOn
//
 
Sortie& Op_Conv_Centre_old_VEF_Face::printOn(Sortie& s ) const
{
  return s << que_suis_je() ;
}
 
//// readOn
//
 
Entree& Op_Conv_Centre_old_VEF_Face::readOn(Entree& s )
{
  return s ;
}
 
//
//   Functions of class Op_Conv_Centre_old_VEF_Face
//
void Op_Conv_Centre_old_VEF_Face::associer(const Domaine_dis_base& domaine_dis,
                                           const Domaine_Cl_dis_base& domaine_cl_dis,
                                           const Champ_Inc_base& ch_transporte)
{
  const Domaine_VEF& zvef = ref_cast(Domaine_VEF,domaine_dis);
  const Domaine_Cl_VEF& zclvef = ref_cast(Domaine_Cl_VEF,domaine_cl_dis);
  const Champ_Inc_base& le_ch_transporte = ref_cast(Champ_Inc_base,ch_transporte);
 
  le_dom_vef = zvef;
  la_zcl_vef = zclvef;
  champ_transporte = le_ch_transporte;
 
  fluent_.reset();
  le_dom_vef->creer_tableau_faces(fluent_);
}
 
DoubleTab& Op_Conv_Centre_old_VEF_Face::ajouter(const DoubleTab& transporte,
                                                DoubleTab& resu) const
{
  const Domaine_Cl_VEF& domaine_Cl_VEF = la_zcl_vef.valeur();
  const Domaine_VEF& domaine_VEF = le_dom_vef.valeur();
  //  const Champ_Inc_base& le_transporte = champ_transporte.valeur();
  const Champ_Inc_base& la_vitesse =vitesse_.valeur();
 
  const IntTab& elem_faces = domaine_VEF.elem_faces();
  const DoubleTab& face_normales = domaine_VEF.face_normales();
  const auto& facette_normales = domaine_VEF.facette_normales();
  //  const DoubleVect& volumes_entrelaces = domaine_VEF.volumes_entrelaces();
  const Domaine& domaine = domaine_VEF.domaine();
  //  const int nb_faces = domaine_VEF.nb_faces();
  const int nfa7 = domaine_VEF.type_elem().nb_facette();
  //  const int nb_elem = domaine_VEF.nb_elem();
  const int nb_elem_tot = domaine_VEF.nb_elem_tot();
  const IntVect& rang_elem_non_std = domaine_VEF.rang_elem_non_std();
 
 
  const DoubleTab& normales_facettes_Cl = domaine_Cl_VEF.normales_facettes_Cl();
  //  const DoubleVect& volumes_entrelaces_Cl = domaine_Cl_VEF.volumes_entrelaces_Cl();
 
  const DoubleVect& porosite_face = equation().milieu().porosite_face();
 
  int nfac = domaine.nb_faces_elem();
  int nsom = domaine.nb_som_elem();
  int nb_som_facette = domaine.type_elem()->nb_som_face();
 
 
  // For the convection treatment, standard polyhedra (not "seeing" boundary conditions)
  // are distinguished from non-standard polyhedra (having at least one boundary face).
  // A standard polyhedron has n facets on which the convection scheme is applied.
  // For a non-standard polyhedron with Dirichlet boundary conditions, part of its
  // facets are carried by the boundary faces.
  // In short, for a polyhedron the convection treatment depends on the type
  // (triangle, tetrahedron ...) and the number of Dirichlet faces.
 
  double psc;
  double flux;
  int poly,face_adj,fa7,i,j,comp0,n_bord;
  int num_face, rang ,itypcl;
  int num10, num20, num_som;
 
  int ncomp_ch_transporte;
  if (transporte.nb_dim() == 1)
    ncomp_ch_transporte=1;
  else
    ncomp_ch_transporte= transporte.dimension(1);
 
  // MODIF SB on 10/09/03
  // For the following 3 elements, there are as many vertices as faces
  // making up the geometric element.
  // Problem with hexahedra: 8 vertices and 6 faces, so use of the array
  // face[i] no longer works.
  // The chosen method to avoid computing the velocity at vertices without
  // shape functions is therefore not applicable;
  // for the hexa we have no access to the face.
  // The Face=>vertices array exists but not the inverse.
  // Too costly and for now porosities are not extended to hexahedra.
 
  int istetra=0;
  const Elem_VEF_base& type_elemvef= domaine_VEF.type_elem();
  Nom nom_elem=type_elemvef.que_suis_je();
  if ((nom_elem=="Tetra_VEF")||(nom_elem=="Tri_VEF"))
    istetra=1;
 
  IntVect face(nfac);
  DoubleVect vs(dimension);
  DoubleVect vc(dimension);
  DoubleTab vsom(nsom,dimension);
  DoubleVect cc(dimension);
 
  // declaration for the transported field
 
  DoubleVect ts(ncomp_ch_transporte);
  DoubleVect tc(ncomp_ch_transporte);
  DoubleTab tsom(nsom,ncomp_ch_transporte);
 
 
  // Reset to zero the array used for
  // the stability time step computation
  fluent_ = 0;
 
  // Special treatment for periodic faces
 
  int nb_faces_perio = 0;
  for (n_bord=0; n_bord<domaine_VEF.nb_front_Cl(); n_bord++)
    {
      const Cond_lim& la_cl = domaine_Cl_VEF.les_conditions_limites(n_bord);
      if (sub_type(Periodique,la_cl.valeur()))
        {
          const Front_VF& le_bord = ref_cast(Front_VF,la_cl->frontiere_dis());
          int num1 = le_bord.num_premiere_face();
          int num2 = num1 + le_bord.nb_faces();
          for (num_face=num1; num_face<num2; num_face++)
            nb_faces_perio++;
        }
    }
 
  DoubleTab tab;
  if (ncomp_ch_transporte == 1)
    tab.resize(nb_faces_perio);
  else
    tab.resize(nb_faces_perio,ncomp_ch_transporte);
 
  nb_faces_perio=0;
  for (n_bord=0; n_bord<domaine_VEF.nb_front_Cl(); n_bord++)
    {
      const Cond_lim& la_cl = domaine_Cl_VEF.les_conditions_limites(n_bord);
      if (sub_type(Periodique,la_cl.valeur()))
        {
          //          const Periodique& la_cl_perio = ref_cast(Periodique, la_cl.valeur());
          const Front_VF& le_bord = ref_cast(Front_VF,la_cl->frontiere_dis());
          int num1 = le_bord.num_premiere_face();
          int num2 = num1 + le_bord.nb_faces();
          for (num_face=num1; num_face<num2; num_face++)
            {
              if (ncomp_ch_transporte == 1)
                tab(nb_faces_perio) = resu(num_face);
              else
                for (int comp=0; comp<ncomp_ch_transporte; comp++)
                  tab(nb_faces_perio,comp) = resu(num_face,comp);
              nb_faces_perio++;
            }
        }
    }
 
 
  // Non-standard polyhedra are arranged in 2 groups in Domaine_VEF:
  //  - boundary and joint polyhedra
  //  - boundary and non-joint polyhedra
  // Polyhedra are processed following the order in which they appear
  // in the domain
 
  // loop over polyhedra
  const IntTab& KEL=domaine_VEF.type_elem().KEL();
  for (poly=0; poly<nb_elem_tot; poly++)
    {
 
      rang = rang_elem_non_std(poly);
      if (rang==-1)
        itypcl=0;
      else
        itypcl=domaine_Cl_VEF.type_elem_Cl(rang);
 
      // compute the face indices of the polyhedron
      for (face_adj=0; face_adj<nfac; face_adj++)
        face[face_adj]= elem_faces(poly,face_adj);
 
      for (j=0; j<dimension; j++)
        {
          vs[j] = la_vitesse.valeurs()(face[0],j)*porosite_face(face[0]);
          for (i=1; i<nfac; i++)
            vs[j]+= la_vitesse.valeurs()(face[i],j)*porosite_face(face[i]);
        }
      // int ncomp;
      if (istetra==1)
        {
          for (j=0; j<nsom; j++)
            {
              for (int ncomp=0; ncomp<Objet_U::dimension; ncomp++)
                vsom(j,ncomp) =vs[ncomp] - Objet_U::dimension*la_vitesse.valeurs()(face[j],ncomp)*porosite_face(face[j]);
            }
        }
      else
        {
          // to be valid with hexahedra
          // Use the shape functions implemented in class Champs_P1_impl or Champs_Q1_impl
          //int ncomp;
          for (j=0; j<nsom; j++)
            {
              num_som = domaine.sommet_elem(poly,j);
              for (int ncomp=0; ncomp<dimension; ncomp++)
                {
                  vsom(j,ncomp) = la_vitesse.valeur_a_sommet_compo(num_som,poly,ncomp);
                }
            }
        }
 
      // compute vc
      domaine_VEF.type_elem().calcul_vc(face,vc,vs,vsom,vitesse(),
                                        itypcl,porosite_face);
 
      // compute the transported field at the polyhedron vertices, tsom
      if(ncomp_ch_transporte == 1)
        {
          ts[0]=transporte(face[0]);
          for (i=1; i<nfac; i++)
            ts[0]+= transporte(face[i]);
 
          for (i=0; i<nsom; i++)
            tsom(i,0) = ts[0] - dimension*transporte(face[i],0);
        }
      else
        {
          for (j=0; j<ncomp_ch_transporte; j++)
            {
              ts[j] = transporte(face[0],j);
              for (i=1; i<nfac; i++)
                ts[j]+= transporte(face[i],j);
            }
          for (i=0; i<nsom; i++)
            for (j=0; j<ncomp_ch_transporte; j++)
              tsom(i,j) = ts[j] - dimension*transporte(face[i],j);
        }
 
      // compute the transported field at the centre of gravity, tc
 
      for (j=0; j<ncomp_ch_transporte; j++)
        tc[j] = ts[j]/nfac;
 
 
      // Loop over the facets of the non-standard polyhedron:
 
      for (fa7=0; fa7<nfa7; fa7++)
        {
          num10 = face[KEL(0,fa7)];
          num20 = face[KEL(1,fa7)];
          if (rang==-1)
            for (i=0; i<dimension; i++)
              cc[i] = facette_normales(poly,fa7,i);
          else
            for (i=0; i<dimension; i++)
              cc[i] = normales_facettes_Cl(rang,fa7,i);
 
          // Apply the convection scheme at each vertex of the facet
 
          // Treat the vertex/vertices that are also vertices of the polyhedron
 
          int isom;
          for (i=0; i<nb_som_facette-1; i++)
            {
              isom = KEL(i+2,fa7);
              psc =0;
              for (j=0; j<dimension; j++)
                psc+= vsom(isom,j)*cc[j];
              psc /= nb_som_facette;
 
              if(psc >= 0)
                fluent_[num20] += psc;
              else
                fluent_[num10] -= psc;
 
              // write the flux
              if (ncomp_ch_transporte == 1)
                {
                  flux = tsom(isom,0)*psc;
                  resu(num10) -= flux;
                  resu(num20) += flux;
                }
              else
                for (comp0=0; comp0<ncomp_ch_transporte; comp0++)
                  {
                    flux = tsom(isom,comp0)*psc;
                    resu(num10, comp0) -= flux;
                    resu(num20, comp0) += flux;
                  }
            }
 
 
          // Treat the vertex coinciding with the centre of gravity of the polyhedron
 
          psc=0;
          for (j=0; j<dimension; j++)
            psc += vc[j]*cc[j];
          psc /= nb_som_facette;
 
          if(psc >= 0)
            fluent_[num20] += psc;
          else
            fluent_[num10] -= psc;
 
          // write the flux
 
          if (ncomp_ch_transporte == 1)
            {
              flux = tc[0]*psc;
              resu(num10) -= flux;
              resu(num20) += flux;
            }
          else
            for (comp0=0; comp0<ncomp_ch_transporte; comp0++)
              {
                flux = tc[comp0]*psc;
                resu(num10, comp0) -= flux;
                resu(num20, comp0) += flux;
              }
        }
 
    } // end of loop
 
  int voisine;
  nb_faces_perio = 0;
  double diff1,diff2;
 
  // Sizing the array of convective fluxes at the domain boundary
  DoubleTab& flux_b = flux_bords_;
  flux_b.resize(domaine_VEF.nb_faces_bord(),ncomp_ch_transporte);
  flux_b = 0.;
 
  // Loop over boundaries to handle boundary conditions
  // a convection term is taken into account only for
  // Neumann_sortie_libre boundary conditions
 
  for (n_bord=0; n_bord<domaine_VEF.nb_front_Cl(); n_bord++)
    {
 
      const Cond_lim& la_cl = domaine_Cl_VEF.les_conditions_limites(n_bord);
 
      if (sub_type(Neumann_sortie_libre,la_cl.valeur()))
        {
          const Neumann_sortie_libre& la_sortie_libre = ref_cast(Neumann_sortie_libre,la_cl.valeur());
          const Front_VF& le_bord = ref_cast(Front_VF,la_cl->frontiere_dis());
          int num1 = le_bord.num_premiere_face();
          int num2 = num1 + le_bord.nb_faces();
          for (num_face=num1; num_face<num2; num_face++)
            {
              psc =0;
              for (i=0; i<dimension; i++)
                psc += la_vitesse.valeurs()(num_face,i)*face_normales(num_face,i)*porosite_face(num_face);
              if (psc>0)
                if (ncomp_ch_transporte == 1)
                  {
                    resu(num_face) -= psc*transporte(num_face);
                    flux_b(num_face,0) -= psc*transporte(num_face);
                  }
                else
                  for (i=0; i<ncomp_ch_transporte; i++)
                    {
                      resu(num_face,i) -= psc*transporte(num_face,i);
                      flux_b(num_face,i) -= psc*transporte(num_face,i);
                    }
              else
                {
                  if (ncomp_ch_transporte == 1)
                    {
                      resu(num_face) -= psc*la_sortie_libre.val_ext(num_face-num1);
                      flux_b(num_face,0) -= psc*la_sortie_libre.val_ext(num_face-num1);
                    }
                  else
                    for (i=0; i<ncomp_ch_transporte; i++)
                      {
                        resu(num_face,i) -= psc*la_sortie_libre.val_ext(num_face-num1,i);
                        flux_b(num_face,i) -= psc*la_sortie_libre.val_ext(num_face-num1,i);
                      }
                  fluent_[num_face] -= psc;
                }
            }
        }
      else if (sub_type(Periodique,la_cl.valeur()))
        {
          const Periodique& la_cl_perio = ref_cast(Periodique,la_cl.valeur());
          const Front_VF& le_bord = ref_cast(Front_VF,la_cl->frontiere_dis());
          int num1 = le_bord.num_premiere_face();
          int num2 = num1 + le_bord.nb_faces();
          IntVect fait(le_bord.nb_faces());
          fait = 0;
          for (num_face=num1; num_face<num2; num_face++)
            {
              if (fait[num_face-num1] == 0)
                {
                  voisine = la_cl_perio.face_associee(num_face-num1) + num1;
 
                  if (ncomp_ch_transporte == 1)
                    {
                      diff1 = resu(num_face)-tab(nb_faces_perio);
                      diff2 = resu(voisine)-tab(nb_faces_perio+voisine-num_face);
                      resu(voisine)  += diff1;
                      resu(num_face) += diff2;
                      flux_b(voisine,0) += diff1;
                      flux_b(num_face,0) += diff2;
                    }
                  else
                    for (int comp=0; comp<ncomp_ch_transporte; comp++)
                      {
                        diff1 = resu(num_face,comp)-tab(nb_faces_perio,comp);
                        diff2 = resu(voisine,comp)-tab(nb_faces_perio+voisine-num_face,comp);
                        resu(voisine,comp)  += diff1;
                        resu(num_face,comp) += diff2;
                        flux_b(voisine,comp) += diff1;
                        flux_b(num_face,comp) += diff2;
                      }
 
                  fait[num_face-num1]= 1;
                  fait[voisine-num1] = 1;
                }
              nb_faces_perio++;
            }
        }
    }
  modifier_flux(*this);
  return resu;
 
}