Op_Conv_EF.cpp

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#include <Schema_Temps_base.h>
#include <Op_Conv_EF.h>
#include <Param.h>
 
Implemente_instanciable_sans_constructeur(Op_Conv_EF,"Op_Conv_Generic_EF",Op_Conv_EF_base);
 
Op_Conv_EF::Op_Conv_EF(): hourglass(0.),hourglass_impl_(0),btd_impl_(0),centre_impl_(0), hourglass_hors_conv_(0),btd_hors_conv_(0),f_lu_(-1.),calcul_dt_stab_(0) { }
 
Implemente_instanciable_sans_constructeur(Op_Conv_BTD_EF,"Op_Conv_BTD_EF",Op_Conv_EF);
Op_Conv_BTD_EF::Op_Conv_BTD_EF() : Op_Conv_EF()
{
  calcul_dt_stab_=2;
  type_op = amont;
  hourglass=1;
  hourglass_impl_=1;
  btd_impl_=1;
  centre_impl_=1;
  btd_hors_conv_=1;
  hourglass_hors_conv_=1;
}
void Op_Conv_BTD_EF::completer()
{
  // pour ne pas mettre les flags automatiquement
  Op_Conv_EF_base::completer();
 
}
Sortie& Op_Conv_BTD_EF::printOn(Sortie& s ) const
{
  return s << que_suis_je() ;
}
Entree& Op_Conv_BTD_EF::readOn(Entree& s )
{
  Param param(que_suis_je()); // XD convection_btd convection_deriv btd BRACE Only for EF discretization.
  param.ajouter("btd",&btd_,Param::REQUIRED); // XD_ADD_P double
  // XD_CONT not_set
  param.ajouter("facteur",&facteur_,Param::REQUIRED);  // XD_ADD_P double
  // XD_CONT not_set
 
  param.lire_avec_accolades(s);
  return s;
}
 
double Op_Conv_BTD_EF::coefficient_btd() const
{
  if (equation().equation_non_resolue())
    calculer_dt_stab();
  double f=dt_stab_conv()*facteur_*btd_/2.;
  return f;
}
 
Sortie& Op_Conv_EF::printOn(Sortie& s ) const
{
  return s << que_suis_je() ;
}
 
Entree& Op_Conv_EF::readOn(Entree& s )
{
  btd_=3.;
  Motcle type_op_lu;
  s >> type_op_lu;
 
  if (!(type_op_lu=="amont") &&  !(type_op_lu=="centre")  &&  !(type_op_lu=="amont3")&&!(type_op_lu=="btd"))
    {
      Cerr << type_op_lu << " n'est pas compris par " << que_suis_je() << finl;
      Cerr << " choisir parmi : amont -btd - centre " << finl;
      exit();
    }
 
 
  if (type_op_lu=="centre")
    {
      type_op = centre;
 
    }
 
  if ((type_op_lu=="amont")||(type_op_lu=="amont3")||(type_op_lu=="btd"))
    {
      type_op = amont;
    }
 
 
  if ((type_op==amont)
      &&  (type_op_lu!="amont2"))
    {
      f_lu_=0.036585;
      hourglass=1;
      hourglass_impl_=1;
      btd_impl_=1;
      centre_impl_=1;
    }
  if (type_op_lu=="amont3")
    {
      s >> f_lu_;
      // decommente  les 2 lognes
      // centre_impl_=0;
      //    calcul_dt_stab_=1;
    }
  if  (type_op_lu=="btd")
    f_lu_=-1;
 
 
  return s ;
}
void Op_Conv_EF::completer()
{
  Op_Conv_EF_base::completer();
  if (sub_type(Op_Diff_EF,equation().operateur(0).l_op_base()))
    {
      if (equation().schema_temps().diffusion_implicite())
        {
          btd_hors_conv_=1;
          hourglass_hors_conv_=1;
          calcul_dt_stab_=2;
        }
    }
  else
    {
      btd_hors_conv_=0;
      hourglass_hors_conv_=0;
    }
 
}
 
DoubleTab& Op_Conv_EF::ajouter(const DoubleTab& transporte, DoubleTab& resu) const
{
  return ajouter_sous_cond(transporte, resu, btd_hors_conv_, hourglass_hors_conv_, 0);
}
 
DoubleTab& Op_Conv_EF::ajouter_a_la_diffusion(const DoubleTab& transporte, DoubleTab& resu) const
{
  return ajouter_sous_cond(transporte, resu, !btd_hors_conv_, !hourglass_hors_conv_, 1);
}
 
double Op_Conv_EF::coefficient_btd() const
{
  double dt=equation().schema_temps().pas_de_temps();
  double f=(dimension)*dt/(dimension-1);
  if (f_lu_>=0) f=f_lu_;
  return f;
}
 
DoubleTab& Op_Conv_EF::ajouter_sous_cond_gen(const DoubleTab& transporte, DoubleTab& resu, int btd_impl, int hourglass_impl, int centre_impl) const
{
  return ajouter_sous_cond_template<AJOUTE_COND::GEN>(transporte,resu,btd_impl,hourglass_impl,centre_impl);
}
 
DoubleTab& Op_Conv_EF::ajouter_sous_cond_dim3_nbn8_nbdim2(const DoubleTab& transporte, DoubleTab& resu, int btd_impl, int hourglass_impl, int centre_impl) const
{
  return ajouter_sous_cond_template<AJOUTE_COND::D3_82>(transporte,resu,btd_impl,hourglass_impl,centre_impl);
}
 
DoubleTab& Op_Conv_EF::ajouter_sous_cond_dim3_nbn8_nbdim1(const DoubleTab& transporte, DoubleTab& resu, int btd_impl, int hourglass_impl, int centre_impl) const
{
  return ajouter_sous_cond_template<AJOUTE_COND::D3_81>(transporte,resu,btd_impl,hourglass_impl,centre_impl);
}
 
DoubleTab& Op_Conv_EF::ajouter_sous_cond_dim2_nbn4_nbdim2(const DoubleTab& transporte, DoubleTab& resu, int btd_impl, int hourglass_impl, int centre_impl) const
{
  return ajouter_sous_cond_template<AJOUTE_COND::D2_42>(transporte,resu,btd_impl,hourglass_impl,centre_impl);
}
 
DoubleTab& Op_Conv_EF::ajouter_sous_cond_dim2_nbn4_nbdim1(const DoubleTab& transporte, DoubleTab& resu, int btd_impl, int hourglass_impl, int centre_impl) const
{
  return ajouter_sous_cond_template<AJOUTE_COND::D2_41>(transporte,resu,btd_impl,hourglass_impl,centre_impl);
}
 
DoubleTab& Op_Conv_EF::ajouter_sous_cond(const DoubleTab& transporte, DoubleTab& resu, int btd_impl, int hourglass_impl, int centre_impl) const
{
  const Domaine_EF& domaine_ef = ref_cast(Domaine_EF, equation().domaine_dis());
  int nb_som_elem = domaine_ef.domaine().nb_som_elem();
  int nb_compo = transporte.line_size();
 
  if ((dimension == 3) && (nb_som_elem == 8))
    {
      if (nb_compo == 1)
        return ajouter_sous_cond_dim3_nbn8_nbdim1(transporte, resu, btd_impl, hourglass_impl, centre_impl);
      else
        return ajouter_sous_cond_dim3_nbn8_nbdim2(transporte, resu, btd_impl, hourglass_impl, centre_impl);
    }
  return ajouter_sous_cond_gen(transporte, resu, btd_impl, hourglass_impl, centre_impl);
}
 
void Op_Conv_EF::ajouter_contribution_sous_cond(const DoubleTab& transporte, Matrice_Morse& matrice,int btd_impl,int hourglass_impl,int centre_impl ) const
{
 
  const Champ_Inc_base& la_vitesse=vitesse_.valeur();
  const DoubleTab& G=la_vitesse.valeurs();
 
  int transport_rhou=0;
  if (vitesse_->le_nom()=="rho_u") transport_rhou=1;
 
  const DoubleTab& rho_elem=(transport_rhou==1 ? equation().probleme().get_champ("masse_volumique_melange").valeurs() : \
                             equation().probleme().get_champ("masse_volumique").valeurs());
  int is_not_rho_unif = (rho_elem.size() == 1 ? 0 : 1);
 
  const Domaine_EF& domaine_ef=ref_cast(Domaine_EF,equation().domaine_dis());
  int nb_comp = transporte.line_size();
  const DoubleVect& volumes_thilde= domaine_ef.volumes_thilde();
  const DoubleVect& volumes= domaine_ef.volumes();
  const DoubleTab& IPhi_thilde=domaine_ef.IPhi_thilde();
 
  const DoubleTab& bij=domaine_ef.Bij();
  int nb_elem_tot=domaine_ef.domaine().nb_elem_tot();
  int nb_som_elem=domaine_ef.domaine().nb_som_elem();
  const IntTab& elems=domaine_ef.domaine().les_elems() ;
  ArrOfDouble G_e(dimension);
 
  double f=coefficient_btd();
  //  DoubleTab transp_loc(nb_som_elem,nb_comp);
  // A DEPLACER !!!!!
  const DoubleTab& lambda=ref_cast(Operateur_Diff_base,equation().operateur(0).l_op_base()).diffusivite().valeurs();
  int is_not_lambda_unif=1;
  if (lambda.size()==1)
    is_not_lambda_unif=0;
 
  int mcoef3d[8]= {1,-1,-1,1,-1,1,1,-1};
  int sommetoppose[8]= {7,6,5,4,3,2,1,0};
  for (int elem=0; elem<nb_elem_tot; elem++)
    if (elem_contribue(elem))
      {
        G_e=0;
        for (int i1=0; i1<nb_som_elem; i1++)
          {
            int glob=elems(elem,i1);
            for (int b=0; b<dimension; b++)
              G_e[b]+=G(glob,b);
          }
        G_e/=nb_som_elem;
 
        double pond2=volumes_thilde(elem)/volumes(elem)/volumes(elem);
 
        if (transport_rhou) pond2 /= (is_not_rho_unif ? rho_elem(elem) : rho_elem(0,0));
 
        if ((hourglass)&&(nb_som_elem==8)&&(hourglass_impl==1))
          {
            double pond3=f*dotproduct_array(G_e,G_e);
            if (transport_rhou) pond3 /= (is_not_rho_unif ? rho_elem(elem) : rho_elem(0,0));
            if (is_not_lambda_unif)
              pond3+=lambda(elem);
            else
              pond3+=lambda(0,0);
            pond3*=volumes_thilde(elem)/volumes(elem)*pow(volumes(elem),0.3333333333333333);
            pond3*=hourglass;
 
            for (int a=0; a<nb_comp; a++)
              {
                double coef2d=0.042*pond3;
                double coef3d=coef2d*0.5;
 
                for (int i1=0; i1<8; i1++)
                  {
                    int n1=elems(elem,i1)*nb_comp+a;
                    for (int i2=0; i2<8; i2++)
                      {
                        int n2=elems(elem,i2)*nb_comp+a;
                        matrice.coef(n1,n2)+=mcoef3d[i1]*mcoef3d[i2]*coef3d-coef2d;
                      }
                    matrice.coef(n1,n1)+=coef2d*4.;
                    matrice.coef(n1,elems(elem,sommetoppose[i1])*nb_comp+a)+=coef2d*4.;
                  }
              }
          }
 
        for (int i1=0; i1<nb_som_elem; i1++)
          {
            int glob=elems(elem,i1);
 
            if (((btd_impl==1)&&(type_op==amont))||(centre_impl==1))
              {
                double cb=0;
                for (int b=0; b<dimension; b++)
                  cb+=G_e[b]*bij(elem,i1,b);
                cb*=(f*pond2);
                for (int i2=0; i2<nb_som_elem; i2++)
                  {
                    int glob2=elems(elem,i2);
 
                    double ca=0;
                    if (centre_impl==1)
                      {
                        for (int b=0; b<dimension; b++)
                          ca+=G_e[b]*bij(elem,i2,b);
                        double pond=IPhi_thilde(elem,i1)/volumes(elem);
 
                        ca*=pond;
                      }
                    double cc=0;
                    if ((btd_impl==1)&&(type_op==amont))
                      {
                        for (int c=0; c<dimension; c++)
                          cc+=G_e[c]*bij(elem,i2,c);
                        cc*=cb;
                      }
                    //resu(glob)-=cc*cb*transp_loc(i2,0);
                    for (int a=0; a<nb_comp; a++)
                      {
                        int n1=glob*nb_comp+a;
                        int n2=glob2*nb_comp+a;
                        matrice.coef(n1,n2)+=cc+ca;
 
                      }
                  }
              }
          }
      }
  return;
}
 
void Op_Conv_EF::ajouter_contribution(const DoubleTab& transporte, Matrice_Morse& matrice ) const
{
  return ajouter_contribution_sous_cond(transporte,matrice,(btd_impl_)&&(btd_hors_conv_==0),(hourglass_impl_)&&(hourglass_hors_conv_==0),centre_impl_);
}
 
void Op_Conv_EF::ajouter_contribution_a_la_diffusion(const DoubleTab& transporte, Matrice_Morse& matrice ) const
{
  ajouter_contribution_sous_cond(transporte,matrice,(btd_impl_)&&(btd_hors_conv_==1),(hourglass_impl_)&&(hourglass_hors_conv_==1),0);
}
 
double Op_Conv_EF::calculer_dt_stab() const
{
  if (calcul_dt_stab_==0) return  Operateur_base::calculer_dt_stab();
 
  const Champ_Inc_base& la_vitesse=vitesse_.valeur();
  const DoubleTab& G=la_vitesse.valeurs();
 
  int transport_rhou=0;
  if (vitesse_->le_nom()=="rho_u") transport_rhou=1;
 
  const DoubleTab& rho_elem=(transport_rhou==1 ? equation().probleme().get_champ("masse_volumique_melange").valeurs() : \
                             equation().probleme().get_champ("masse_volumique").valeurs());
  int is_not_rho_unif = (rho_elem.size() == 1 ? 0 : 1);
 
  const Domaine_EF& domaine_ef=ref_cast(Domaine_EF,equation().domaine_dis());
  const DoubleVect& valeurs_diffusivite = ref_cast(Operateur_Diff_base,equation().operateur(0).l_op_base()).diffusivite().valeurs();
  int is_not_lambda_unif = (valeurs_diffusivite.size() == 1 ? 0 : 1);
 
  int autre_eq=0;
  const DoubleVect& valeurs_diffusivite_p = ref_cast(Operateur_Diff_base,equation().probleme().equation(autre_eq).operateur(0).l_op_base()).diffusivite().valeurs();
  if (calcul_dt_stab_==2)
    {
      if (&valeurs_diffusivite_p == &valeurs_diffusivite)
        autre_eq=1;
      if (equation().probleme().nombre_d_equations() <= 1) autre_eq=0;
    }
  const DoubleVect& valeurs_diffusivite_2 = ref_cast(Operateur_Diff_base,equation().probleme().equation(autre_eq).operateur(0).l_op_base()).diffusivite().valeurs();
 
  const DoubleTab& coord=domaine_ef.domaine().les_sommets();
 
  int nb_elem_tot=domaine_ef.domaine().nb_elem_tot();
  int nb_som_elem=domaine_ef.domaine().nb_som_elem();
  const IntTab& elems=domaine_ef.domaine().les_elems() ;
  ArrOfDouble G_e(dimension);
  double Max=0;
  double dt_l=0,dt2=0;
  for (int elem=0; elem<nb_elem_tot; elem++)
    if (elem_contribue(elem))
      {
        G_e=0;
        for (int i1=0; i1<nb_som_elem; i1++)
          {
            int glob=elems(elem,i1);
            for (int b=0; b<dimension; b++)
              G_e[b]+=G(glob,b);
          }
        G_e/=nb_som_elem;
        //if (transport_rhou)   G_e/=rho_elem(elem);
        double ml=0;
        double dx2;
        // pas de temps de diffusion !!
        double ml2=0;
        double vx[3];
        for (int d=0; d<3; d++)
          {
            dx2=std::fabs(coord(elems(elem,0),d)-coord(elems(elem,7),d));
            dx2+=std::fabs(coord(elems(elem,1),d)-coord(elems(elem,6),d));
            dx2+=std::fabs(coord(elems(elem,2),d)-coord(elems(elem,5),d));
            dx2+=std::fabs(coord(elems(elem,3),d)-coord(elems(elem,4),d));
            dx2*=0.25;
            dx2*=dx2;
 
            ml2+=dx2;
            //double p=G_e(d)*G_e(d)/dx2;
            ml+=G_e[d]*G_e[d]/dx2;
            vx[d]=G_e[d]*G_e[d];
          }
 
        double diffu=(is_not_lambda_unif?valeurs_diffusivite(elem):valeurs_diffusivite(0));
 
        if (calcul_dt_stab_==2)
          {
            double diffu2=(is_not_lambda_unif?valeurs_diffusivite_2(elem):valeurs_diffusivite_2(0));
            if (diffu2<diffu)
              diffu=diffu2;
          }
        diffu /= (is_not_rho_unif ? rho_elem(elem) : rho_elem(0,0));
 
        // horreur pour NR G2 cas clotaire
        // diffu*=0.5;
        //if (elem==0) Cerr<<"uu "<<diffu<<finl;
        if (transport_rhou)
          {
            double rho_e = (is_not_rho_unif ? rho_elem(elem) : rho_elem(0,0));
            double inv_rho2= rho_e*rho_e;
            inv_rho2=1./inv_rho2;
            ml*=inv_rho2;
            for (int d=0; d<dimension; d++)
              vx[d]*=inv_rho2;
          }
        // le .5* c'est pour avoir le meme dt que g2 mais faux
        double dxe=sqrt(ml2);
        if (dxe<min_dx_)
          min_dx_=dxe;
        ml2=diffu/ml2;
        ml*=btd_;
        ml=sqrt(ml2*ml2+ml)+ml2+DMINFLOAT;
        /*      if (ml2>0)
        ml=ml/(sqrt(ml2*ml2+ml)-ml2);
        else ml=-1.;
        */
        if (ml > Max) Max=ml;
        double ue=sqrt(vx[0]+vx[1]+vx[2]);
        if (ue>max_ue_) max_ue_=ue;
 
        dt_l= 1./(Max+DMINFLOAT);
 
        if (elem==0) dt2=dt_l;
        if (btd_!=3.)
          {
            double dt0=dt2;
            double s=1.;
            while(s>0)
              {
                s=-1;
                for (int d=0; d<dimension; d++)
                  {
                    double c=vx[d]*dt0;
                    if (std::fabs(c)>1e-16)
                      s+=c/(2.*diffu  +c*btd_);
                  }
                if (s>0)
                  {
                    dt0*=0.9;
                    Cout<<elem<<" " <<dt_l<<" "<<s<<" "<<dt0<<finl;
                    exit();
                  }
              }
            dt2=std::min(dt2,dt0);
            dt_l=std::min(dt2,dt_l);
          }
      }
  min_dx_=mp_min(min_dx_);
  max_ue_=mp_max(max_ue_);
  coefficient_correcteur_supg_.dimensionner(1,1);
  coefficient_correcteur_supg_.valeurs()(0,0)=min_dx_/max_ue_;
  double dt_stab=dt_l;
  dt_stab = Process::mp_min(dt_stab);
  // astuce pour contourner le type const de la methode
  Op_Conv_EF_base& op = ref_cast_non_const(Op_Conv_EF_base,*this);
  op.fixer_dt_stab_conv(dt_stab);
 
  return dt_stab;
}
 
void Op_Conv_EF::contribue_au_second_membre(DoubleTab& resu ) const
{
  // on a rien implicite
  ajouter_sous_cond(equation().inconnue().valeurs(),resu,((btd_hors_conv_==1)||btd_impl_),((hourglass_hors_conv_==1)||hourglass_impl_),centre_impl_);
}
 
void Op_Conv_EF::contribue_au_second_membre_a_la_diffusion(DoubleTab& resu ) const
{
  ajouter_sous_cond(equation().inconnue().valeurs(),resu,((btd_hors_conv_==0)||btd_impl_),((hourglass_hors_conv_==0)||hourglass_impl_),1);
}
 
const Champ_base& Op_Conv_EF::get_champ(const Motcle& nom) const
{
  if (nom == "coefficient_correcteur_supg")
    return coefficient_correcteur_supg_;
  return Op_Conv_EF_base::get_champ(nom);
}
 
bool Op_Conv_EF::has_champ(const Motcle& nom, OBS_PTR(Champ_base) &ref_champ) const
{
  if (nom == "coefficient_correcteur_supg")
    {
      ref_champ = coefficient_correcteur_supg_;
      return true;
    }
  return Op_Conv_EF_base::has_champ(nom, ref_champ);
}
 
bool Op_Conv_EF::has_champ(const Motcle& nom) const
{
  if (nom == "coefficient_correcteur_supg")
    return true;
  return Op_Conv_EF_base::has_champ(nom);
}