Op_Conv_EF_VEF_P1NC.cpp

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#include <Op_Conv_EF_VEF_P1NC.h>
#include <Champ_P1NC.h>
 
#include <Porosites_champ.h>
#include <Periodique.h>
#include <Symetrie.h>
 
Implemente_instanciable(Op_Conv_EF_VEF_P1NC,"Op_Conv_EF_VEF_P1NC",Op_Conv_VEF_base);
 
Sortie& Op_Conv_EF_VEF_P1NC::printOn(Sortie& s ) const
{
  return s << que_suis_je() ;
}
 
Entree& Op_Conv_EF_VEF_P1NC::readOn(Entree& s )
{
  Motcle motlu;
  for (int i=0; i<4; i++)
    {
      s >> motlu;
      if (motlu=="defaut_bar")
        break;
      else if (motlu=="transportant_bar")
        s >> transportant_bar;
      else if (motlu=="transporte_bar")
        s >> transporte_bar;
      else if (motlu=="filtrer_resu")
        s >> filtrer_resu;
      else if (motlu=="antisym")
        s >> antisym;
      else
        {
          Cerr << motlu << "is not understood by "
               << que_suis_je() << finl;
          exit();
        }
    }
 
  if (transportant_bar <0)
    {
      Cerr << "missing keyword transportant_bar" << finl;
      exit();
    }
  if (transporte_bar <0)
    {
      Cerr << "missing keyword transporte_bar" << finl;
      exit();
    }
  if (filtrer_resu <0)
    {
      Cerr << "missing keyword filtrer_resu" << finl;
      exit();
    }
  if (antisym <0)
    {
      Cerr << "missing keyword antisym" << finl;
      exit();
    }
  return s ;
}
 
//
//   Member functions of class Op_Conv_EF_VEF_P1NC
//
 
// convbis corresponds to the computation of -1*convection_term
 
 
////////////////////////////////////////////////////////////////////
//
//                      Implementation of member functions
//
//                   of class Op_Conv_EF_VEF_P1NC
//
////////////////////////////////////////////////////////////////////
 
 
DoubleTab& Op_Conv_EF_VEF_P1NC::ajouter(const DoubleTab& transporte_2,
                                        DoubleTab& resu) const
{
  //Cerr << "Op_Conv_EF_VEF_P1NC::ajouter" << finl;
  DoubleTab sauv(resu);
  const Domaine_VEF& domaine_VEF = le_dom_vef.valeur();
  const Domaine_Cl_VEF& domaine_Cl_VEF = la_zcl_vef.valeur();
  const Champ_P1NC& la_vitesse=ref_cast( Champ_P1NC, vitesse_.valeur());
  const DoubleTab& velocity_tab=la_vitesse.valeurs();
  const Champ_P1NC& ch=ref_cast(Champ_P1NC,mon_equation->inconnue());
 
  const IntTab& elem_faces = domaine_VEF.elem_faces();
  const IntTab& face_voisins = domaine_VEF.face_voisins();
  const DoubleTab& face_normales=domaine_VEF.face_normales();
  const DoubleVect& porosite_face = equation().milieu().porosite_face();
  const int nb_elem_tot = domaine_VEF.nb_elem_tot();
  const int nb_faces_elem=elem_faces.dimension(1);
 
  assert(nb_faces_elem==(dimension+1));
  {
    // CFL computation.
    double psc;
    // Reset to zero the array used for
    // the computation of the stability time step
    fluent_ = 0;
 
    const int nb_faces = domaine_VEF.nb_faces();
    for(int num_face=0; num_face<nb_faces; num_face++)
      {
        psc=0.;
        for (int i=0; i<dimension; i++)
          psc+=velocity_tab(num_face,i)*face_normales(num_face,i);
        fluent_(num_face)=std::fabs(psc);
      }
  }
  int marq=phi_u_transportant(equation());
 
  DoubleTab transporte_;
  DoubleTab vitesse_face_;
  // either transporte=phi*transporte_ and vitesse_face=vitesse_
  // or transporte=transporte_ and vitesse_face=phi*vitesse_
  // depending on whether transport uses phi*u or u.
  const DoubleTab& transporte=modif_par_porosite_si_flag(transporte_2,transporte_,!marq,porosite_face);
  const DoubleTab& tab_vitesse=modif_par_porosite_si_flag(velocity_tab,vitesse_face_,marq,porosite_face);
  //  DoubleTab ubar(transporte);
  //  la_vitesse.filtrer_L2(ubar);
  //  DoubleTab uprime(transporte);
  //  uprime-=ubar;
 
  DoubleTab uT(transporte);
  DoubleTab u(tab_vitesse);
 
  if (transporte_bar) ch.filtrer_L2(uT);
  if (transportant_bar) la_vitesse.filtrer_L2(u);
 
  const int nb_comp =resu.line_size();
  DoubleTab grad_uT(nb_comp, dimension);
  DoubleTab grad_phi(nb_faces_elem,dimension);
  int elem, num_face, j, i, face;
  double d_inv=(1./nb_faces_elem);
 
  resu=0;
  DoubleTab sigma(dimension, dimension);
  DoubleTab contrib_elem(nb_faces_elem, nb_comp);
  for (elem=0; elem<nb_elem_tot; elem++)
    {
      //for elem
      sigma=0, contrib_elem=0, grad_uT=0., grad_phi=0.;
      for(num_face=0; num_face<nb_faces_elem; num_face++)
        {
          //for num_face
          face=elem_faces(elem, num_face);
          double cc=1.;
          if(face_voisins(face,0)!=elem)
            cc*=-1;
          for (i=0; i<dimension; i++)
            {
              grad_phi(num_face,i)=face_normales(face,i)*cc;
              for (j=0; j<nb_comp; j++)
                {
                  sigma(i,j)+=u(face,i)*uT(face,j);
                  grad_uT(j,i)+=uT(face,j)*grad_phi(num_face,i);
                }
            }
        }
 
      if(antisym==1)
        {
          for(num_face=0; num_face<nb_faces_elem; num_face++)
            {
              //for num_face
              face=elem_faces(elem, num_face);
              for (i=0; i<dimension; i++)
                for (j=0; j<nb_comp; j++)
                  contrib_elem(num_face,j)-=0.5*d_inv*(u(face,i)*grad_uT(j,i)-sigma(i,j)*grad_phi(num_face,i));// Ui Uj,i Vj - Ui Vj,i Uj
            }
        }
      else
        {
          for(num_face=0; num_face<nb_faces_elem; num_face++)
            {
              //for num_face
              face=elem_faces(elem, num_face);
              for (i=0; i<dimension; i++)
                for (j=0; j<nb_comp; j++)
                  contrib_elem(num_face,j)-=d_inv*(u(face,i)*grad_uT(j, i));// Ui Uj,i Vj
            }
        }
 
      for(num_face=0; num_face<nb_faces_elem; num_face++)
        {
          face=elem_faces(elem, num_face);
          for (i=0; i<nb_comp; i++)
            resu(face,i)+=contrib_elem(num_face,i);
        }
    }
 
  for (int 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);
      const Front_VF& le_bord = ref_cast(Front_VF,la_cl->frontiere_dis());
      int nb_faces_bord_tot=le_bord.nb_faces_tot();
      int num10 = 0, num20 = le_bord.nb_faces_tot();
 
      if (sub_type(Periodique,la_cl.valeur()))
        {
          const Periodique& la_cl_perio = ref_cast(Periodique,la_cl.valeur());
          int face_associee;
          IntVect fait(nb_faces_bord_tot);
          fait = 0;
 
          for (int ind_face=num10; ind_face<num20; ind_face++)
            {
              face = le_bord.num_face(ind_face);
              if (fait(ind_face) == 0)
                {
                  fait(ind_face) = 1;
                  face_associee=la_cl_perio.face_associee(ind_face);
                  fait(face_associee) = 1;
                  face_associee = le_bord.num_face(face_associee);
 
                  for (int comp=0; comp<nb_comp; comp++)
                    {
                      double som;
                      som=resu(face_associee,comp)+resu(face,comp);
                      resu(face,comp)=resu(face_associee,comp)=som;
                    }
                }// if fait
            }// for face
 
        }// sub_type Perio
 
      else if ((antisym==1) && (!sub_type(Symetrie,la_cl.valeur())) )
        {
          //          Cerr << "Adding boundary terms:" << finl;
          int num1 = le_bord.num_premiere_face();
          int nb_faces=le_bord.nb_faces();
          int num2 = num1 + nb_faces;
 
          for (face=num1; face<num2; face++)
            {
              int comp;
              double psc = 0;
              for (comp=0; comp<nb_comp; comp++)
                psc += face_normales(face,comp)*u(face, comp);
              psc *=0.5;
              for (comp=0; comp<nb_comp; comp++)
                resu(face, comp)-=psc*uT(face, comp);
 
            }
        }
    }// for nbord
 
  if(filtrer_resu)
    ch.filtrer_resu(resu);
 
  // Disable the computation and printing of u' energies......
  // keeping the code in case it is needed later..
  if (0)
    {
      Cerr << "small-scale filtering: " << finl;
 
      DoubleTab ubar(transporte);
      ch.filtrer_L2(ubar);
      DoubleTab uprime(transporte);
      uprime-=ubar;
 
      const int nb_faces = domaine_VEF.nb_faces();
      const DoubleVect& volumes_entrelaces=domaine_VEF.volumes_entrelaces();
      int face2, k;
      double psc=0., pscprim=0., ec=0., ecprime=0.;
      int deb=domaine_VEF.premiere_face_int();
      for(face2=deb; face2<nb_faces; face2++)
        for(k=0; k< dimension; k++)
          {
            double v=volumes_entrelaces(face2);
            double up, u2, r;
            if(nb_comp>1)
              {
                up=uprime(face2,k);
                uprime(face2,k)*=v;
                u2=ubar(face2,k);
                r=resu(face2,k);
              }
            else
              {
                up=uprime(face2);
                uprime(face2)*=v;
                u2=ubar(face2);
                r=resu(face2);
              }
            pscprim+=r*up;
            psc+=r*u2;
            ec+=u2*u2*v;
            ecprime+=up*up*v;
          }
 
 
 
      for (int 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);
          const Front_VF& le_bord = ref_cast(Front_VF,la_cl->frontiere_dis());
          int num1 = le_bord.num_premiere_face();
          int nb_faces_b=le_bord.nb_faces();
          int num2 = num1 + nb_faces_b;
          if (sub_type(Periodique,la_cl.valeur()))
            {
              const Periodique& la_cl_perio = ref_cast(Periodique,la_cl.valeur());
              int face_associee;
              IntVect fait(nb_faces_b);
              fait = 0;
 
              for (face2=num1; face2<num2; face2++)
                {
                  if (fait(face2-num1) == 0)
                    {
                      fait(face2-num1) = 1;
                      face_associee=la_cl_perio.face_associee(face2-num1);
                      fait(face_associee) = 1;
                      face_associee+=num1;
                      double v=volumes_entrelaces(face2);
                      double up, u2, r;
                      for(k=0; k< dimension; k++)
                        {
                          if(nb_comp>1)
                            {
                              up=(uprime(face2,k));
                              uprime(face2,k)*=v;
                              uprime(face_associee,k)=uprime(face2,k);
                              u2=ubar(face2,k);
                              r=resu(face2,k);
                            }
                          else
                            {
                              up=uprime(face2);
                              uprime(face2)*=v;
                              uprime(face_associee)=uprime(face2);
                              u2=ubar(face2);
                              r=resu(face2);
                            }
                          pscprim+=r*up;
                          psc+=r*u2;
                          ec+=u2*u2*v;
                          ecprime+=up*up*v;
                        }
                    }
                }
            }
          else
            {
              for (face2=num1; face2<num2; face2++)
                {
                  double v=volumes_entrelaces(face2);
                  double up, u2, r;
                  for(k=0; k< dimension; k++)
                    {
                      if(nb_comp>1)
                        {
                          up=(uprime(face2,k));
                          uprime(face2,k)*=v;
                          u2=ubar(face2,k);
                          r=resu(face2,k);
                        }
                      else
                        {
                          up=uprime(face2);
                          uprime(face2)*=v;
                          u2=ubar(face2);
                          r=resu(face2);
                        }
                      pscprim+=r*up;
                      psc+=r*u2;
                      ec+=u2*u2*v;
                      ecprime+=up*up*v;
                    }
                }
            }
        }
      Cerr << "(u,u) "<< ec <<finl;
      Cerr << "(u',u') "<< ecprime <<finl;
      Cerr << "(u grad u ,u) "<< psc <<finl;
      Cerr << "(u grad u ,u') "<< pscprim <<finl;
      double pourcent=0;
      if (!est_egal(ec,0))
        pourcent=100*sqrt(ecprime/ec);
      Cerr << "||u'||/||u|| :  " << pourcent << " %" << finl;
    }
  resu+=sauv;
  modifier_flux(*this);
  return resu;
}
 
 
void Op_Conv_EF_VEF_P1NC::ajouter_contribution(const DoubleTab& transporte, Matrice_Morse& matrice ) const
{
  Cerr << "Op_Conv_EF_VEF_P1NC::ajouter_contribution not implemented." << finl;
  exit();
}
 
void Op_Conv_EF_VEF_P1NC::contribue_au_second_membre(DoubleTab& resu ) const
{
  Cerr << "Op_Conv_EF_VEF_P1NC::contribue_au_second_membre not implemented." << finl;
  exit();
}