Traitement_particulier_NS_THI_thermo_VDF.cpp

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#include <Traitement_particulier_NS_THI_thermo_VDF.h>
#include <Domaine_VDF.h>
#include <Navier_Stokes_std.h>
#include <Convection_Diffusion_Temperature.h>
#include <Convection_Diffusion_Chaleur_QC.h>
#include <Probleme_base.h>
#include <SFichier.h>
 
/*! @brief
 *
 * @param (Sortie& is) un flot de sortie
 * @return (Sortie&) le flot de sortie modifie
 */
Sortie& Traitement_particulier_NS_THI_thermo_VDF::printOn(Sortie& is) const
{
  return is;
}
 
 
/*! @brief
 *
 * @param (Entree& is) un flot d'entree
 * @return (Entree&) le flot d'entree modifie
 */
Entree& Traitement_particulier_NS_THI_thermo_VDF::readOn(Entree& is)
{
  return is;
}
 
 
 
 
Implemente_instanciable(Traitement_particulier_NS_THI_thermo_VDF,"Traitement_particulier_NS_THI_thermo_VDF",Traitement_particulier_NS_THI_VDF);
 
 
void Traitement_particulier_NS_THI_thermo_VDF::init_calc_spectre()
{
 
 
  const Probleme_base& pb = mon_equation->probleme();
  int flag=0;
  for(int i=0; i<pb.nombre_d_equations(); i++)
    {
      if(sub_type(Convection_Diffusion_Temperature,pb.equation(i)))
        {
          mon_equation_NRJ = ref_cast(Convection_Diffusion_Temperature,pb.equation(i));
          flag=1;
        }
      else if(sub_type(Convection_Diffusion_Chaleur_QC,pb.equation(i)))
        {
          mon_equation_NRJ = ref_cast(Convection_Diffusion_Chaleur_QC,pb.equation(i));
          flag=1;
        }
    }
  if (flag==0)
    {
      Cerr << "Erreur dans Traitement_particulier_NS_THI_thermo_VDF::init_calc_spectre " << finl;
      Cerr << "L'equation d'energie n'a pas ete trouvee...!" << finl;
      Cerr << "On ne peut pas demander de spectres sur la temperature" << finl;
      Cerr << "si on ne resout pas une equation de la chaleur." << finl;
      Cerr << "Solution : enlever le suffixe '_thermo'." << finl;
      Process::exit();
    }
 
  Traitement_particulier_NS_THI_VDF::init_calc_spectre();
 
}
 
 
 
 
 
void Traitement_particulier_NS_THI_thermo_VDF::calcul_spectre()
{
 
  const Domaine_dis_base& zdis = mon_equation->domaine_dis();
  const Domaine& domaine = zdis.domaine();
  int nb_elem = domaine.nb_elem();
  //  double nb=pow(nb_elem*1.,1./3.);
  //  int nb_elem_dir = (int)(nb)+1;
  calcul_nb_elem_dir(domaine);
 
  double temps_crt = mon_equation->inconnue().temps();
  const DoubleTab& Temp = mon_equation_NRJ->inconnue().valeurs();
 
  int i,k;
 
  ////////////////
  // Ecriture du champ de temperature dans un fichier
  // pour les calculs de spectres.
  ////////////////
  if (je_suis_maitre())
    {
      Nom fichier_temp = "chp_temperature_";
      Nom tps = Nom(temps_crt);
      fichier_temp += tps;
      SFichier fic12 (fichier_temp);
      fic12 << nb_elem_dir <<finl;
      fic12 << nb_elem_dir <<finl;
      fic12 << nb_elem_dir <<finl;
 
      for (k=0; k<3; k++)
        for (i=0; i<nb_elem; i++)
          fic12 << Temp(i) <<finl;
 
      sorties_fichiers();
    }
  Traitement_particulier_NS_THI_VDF::calcul_spectre();
 
}
 
 
 
 
void Traitement_particulier_NS_THI_thermo_VDF::sorties_fichiers()
{
  const Domaine_dis_base& zdis = mon_equation->domaine_dis();
  const Domaine& domaine = zdis.domaine();
  int nb_elem = domaine.nb_elem();
  int i;
 
  double temps_crt = mon_equation->inconnue().temps();
  const DoubleTab& Temp = mon_equation_NRJ->inconnue().valeurs();
 
  SFichier fic45("Sorties_THI_Thermo.dat",ios::app);
 
  //  Tmean est la temperature moyenne dans le bocal.
  //  Tmax_mean est le rapport entre la temperature maximale et la temperature moyenne.
  //  Tmin_mean ___________________________________ minimale _________________________.
  //  Tp2 est le carre de l'ecart de temperature local a la moyenne.
  //   ie : Tp = T-Tmean   et   Tp2 = Tp^2.
  // DT est l'enstrophie sur la temperature.
 
  double Tmean=0.,Tmax_mean=-10000.,Tmin_mean=10000.,Tp2=0.;
  double DT=0;
  for (i=0; i<nb_elem; i++)
    {
      Tmean+=Temp(i);
      if(Temp(i)>Tmax_mean) Tmax_mean=Temp(i);
      if(Temp(i)<Tmin_mean) Tmin_mean=Temp(i);
    }
 
  Tmean/=nb_elem;
  Tmax_mean/=Tmean;
  Tmin_mean/=Tmean;
 
  for (i=0; i<nb_elem; i++)
    {
      Tp2+=(Temp(i)-Tmean)*(Temp(i)-Tmean);
    }
 
  Tp2/=nb_elem;
 
  DT=calcul_enstrophie();
 
  fic45 << temps_crt << " " << Tmean << " " << Tmax_mean << " " << Tmin_mean << " " << Tp2 << " " << DT << finl;
 
 
  // Calcul de la PDF :
 
  DoubleVect PDF(50);
  PDF=1.e-10;
  int ni=50;
  double delta=(Tmax_mean-Tmin_mean)/ni;
  int k;
 
  Nom fichier_pdf = "PDF_";
  Nom tps = Nom(temps_crt);
  fichier_pdf += tps;
  fichier_pdf += ".dat";
  SFichier fic46 (fichier_pdf);
 
  for (i=0; i<nb_elem; i++)
    {
      // On ne peut pas utiliser modf (voir Schema_Temps_base::limpr) car k sert d'indice de tableau
      k=(int)(((Temp(i)/Tmean)-Tmin_mean)/delta);
      if(k>=ni) k=ni-1;
      if(k<0)  k=0;
      PDF[k]+=1.;
    }
 
  // On divise par le nombre d'elements
  // et par la plage d'integration
  // pour que l'integrale de la PDF soit egale a 1.
 
  PDF/=nb_elem;
  PDF/=delta;
 
  for(i=0; i<ni; i++)
    {
      fic46 << (Tmin_mean+i*delta) << " " << PDF[i] <<finl;
    }
 
 
}
 
 
double Traitement_particulier_NS_THI_thermo_VDF::calcul_enstrophie()
{
  const Domaine_dis_base& zdis = mon_equation->domaine_dis();
  const Domaine& domaine = zdis.domaine();
  const Domaine_VDF& domaine_VDF = ref_cast(Domaine_VDF,zdis);
  int nb_elem = domaine.nb_elem();
  const IntTab& face_voisins = domaine_VDF.face_voisins();
  const IntTab& elem_faces = domaine_VDF.elem_faces();
 
  const DoubleTab& Temp = mon_equation_NRJ->inconnue().valeurs();
 
  double DT=0;
  double gradT=0.;
 
  int face0,face1;
  int element0,element1;
 
  for(int elem=0; elem<nb_elem; elem++)
    {
      for(int ori=0; ori<dimension; ori++)
        {
          gradT = 0.;
          face0 = elem_faces(elem,ori);
          face1 = elem_faces(elem,ori+dimension);
          element0 = face_voisins(face0,0);
          element1 = face_voisins(face1,1);
          gradT += pow((Temp(element0)-Temp(elem))/domaine_VDF.dist_elem(element0,elem,ori),2);
          gradT += pow((Temp(element1)-Temp(elem))/domaine_VDF.dist_elem(element1,elem,ori),2);
 
          DT+=0.5*gradT;
        }
    }
 
  DT=0.5*DT/nb_elem;
 
  return DT;
}