Loi_Etat_rhoT_GR_QC.cpp

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#include <Loi_Etat_rhoT_GR_QC.h>
#include <Motcle.h>
#include <Fluide_Quasi_Compressible.h>
#include <Champ_Uniforme.h>
 
Implemente_instanciable(Loi_Etat_rhoT_GR_QC,"Loi_Etat_rhoT_Gaz_Reel_QC",Loi_Etat_GR_base);
// XD rhoT_gaz_reel_QC loi_etat_gaz_reel_base rhoT_gaz_reel_QC NO_BRACE Class for real gas state law used with a
// XD_CONT quasi-compressible fluid.
// XD attr bloc bloc_lecture bloc REQ Description.
 
 
Sortie& Loi_Etat_rhoT_GR_QC::printOn(Sortie& os) const
{
  os <<que_suis_je()<< finl;
  return os;
}
 
Entree& Loi_Etat_rhoT_GR_QC::readOn(Entree& is)
{
  double PolyRho_lu=-1, PolyT_lu=-1, MMole_lu=-1, Pr_lu=-1;
 
  Motcle accferme="}";
  Motcle accouverte="{";
 
  Motcle motlu;
  is >> motlu;
  Cerr<<"Lecture de la loi d'etat Gaz Reel rhoT"<<finl;
  if (motlu != accouverte)
    {
      Cerr<<" On attendait "<<accouverte<<" au lieu de "<<motlu<<finl;
      abort();
    }
  Motcles les_mots(4);
  {
    les_mots[0] = "Prandtl";
    les_mots[1] = "masse_molaire";
    les_mots[2] = "Poly_rho";
    les_mots[3] = "Poly_T";
    //     les_mots[4] = "Cp";   //pour debuggage
  }
  is >> motlu;
  while(motlu != accferme )
    {
      int rang=les_mots.search(motlu);
      switch(rang)
        {
        case 0 :
          {
            is>>Pr_;
            Pr_lu=1;
            break;
          }
        case 1 :
          {
            is>>MMole_;
            MMole_lu=1;
            break;
          }
        case 2 :
          {
            int i,j,im,jm;
            is>>im;
            is>>jm;
            PolyRho_.resize(im,jm);
            for (i=0 ; i<im ; i++)
              for (j=0 ; j<jm ; j++)
                is>>PolyRho_(i,j);
            PolyRho_lu=1;
            break;
          }
        case 3 :
          {
            int i,j,im,jm;
            is>>im;
            is>>jm;
            PolyT_.resize(im,jm);
            for (i=0 ; i<im ; i++)
              for (j=0 ; j<jm ; j++)
                is>>PolyT_(i,j);
            PolyT_lu=1;
            break;
          }
        case 4 :
          {
            is>>Cp_;
            PolyRho_lu=1;
            PolyT_lu=1;
            MMole_lu=1;
            if (Cp_<0)
              {
                Cp_ = -Cp_;
                debug=1;
              }
            else
              debug=0;
            R = Cp_ *(1.-1./1.4);
            Cerr<<"Debogage Gaz Reel : Cp="<<Cp_<<" R="<<R<<finl;
            break;
          }
        default :
          {
            Cerr<<"Une loi d'etat "<<que_suis_je()<<" n'a pas la propriete "<<motlu<<finl;
            Cerr<<"On attendait un mot dans :"<<finl<<les_mots<<finl;
            abort();
          }
        }
      is >> motlu;
    }
 
  if (Pr_lu==-1)
    {
      Cerr<<"ERREUR : on attendait la definition du nombre de Prandtl (Prandtl pr)"<<finl;
      abort();
    }
  if (PolyRho_lu==-1)
    {
      Cerr<<"ERREUR : on attendait la definition du polynome de la masse volumique (Poly_Rho nb_coeff1 nb_coeff2 a00 a01 a02 ...)"<<finl;
      abort();
    }
  else
    {
      int i,j;
      Cerr<<"Polynome de rho :"<<finl;
      for (i=0 ; i<PolyRho_.dimension(0) ; i++)
        {
          for (j=0 ; j<PolyRho_.dimension(1) ; j++)
            {
              Cerr<<"   f("<<i<<","<<j<<")= "<<PolyRho_(i,j);
            }
          Cerr<<finl;
        }
    }
  if (PolyT_lu==-1)
    {
      Cerr<<"ERREUR : on attendait la definition du polynome de la temperature (Poly_T nb_coeff1 nb_coeff2 a00 a01 a02 ...)"<<finl;
      abort();
    }
  else
    {
      int i,j;
      Cerr<<"Polynome de T :"<<finl;
      for (i=0 ; i<PolyT_.dimension(0) ; i++)
        {
          for (j=0 ; j<PolyT_.dimension(1) ; j++)
            {
              Cerr<<"   f("<<i<<","<<j<<")= "<<PolyT_(i,j);
            }
          Cerr<<finl;
        }
    }
  if (MMole_lu==-1)
    {
      Cerr<<"ERREUR : on attendait la definition de la masse molaire (masse_molaire m)"<<finl;
      abort();
    }
  return is;
}
 
/*! @brief Calcule la masse volumique ponctuelle
 *
 * @param (double P) pression
 * @param (double h) enthalpie
 * @return (double) masse volumique correspondante
 */
double Loi_Etat_rhoT_GR_QC::calculer_masse_volumique(double P, double h) const
{
  double res = 0;
  if (R==-1)
    {
      double H = h;
      int i,j;
      for (i=0 ; i<PolyRho_.dimension(0) ; i++)
        for (j=0 ; j<PolyRho_.line_size() ; j++)
          res += PolyRho_(i,j) *pow(P,j) *pow(H,i);
    }
  else
    {
      //debuggage
      res = P*Cp_/(R*h);
    }
  return res;
}
 
/*! @brief Calcule la temperature ponctuelle
 *
 * @param (double P) pression
 * @param (double h) enthalpie
 * @return (double) masse volumique correspondante
 */
double Loi_Etat_rhoT_GR_QC::calculer_temperature(double P, double h)
{
  double res = 0;
  if (R==-1)
    {
      int i,j;
      double H = h;
      for (i=0 ; i<PolyT_.dimension(0) ; i++)
        for (j=0 ; j<PolyT_.line_size() ; j++)
          res += PolyT_(i,j) *pow(P,i) *pow(H,j);
    }
  else
    {
      //debuggage
      res = h/Cp_;
    }
  return res;
}
 
/*! @brief Cas gaz Reel : doit recalculer l'enthalpie a partir de la pression et la temperature
 *
 */
double Loi_Etat_rhoT_GR_QC::calculer_H(double Pth_, double T_) const
{
  double res=0;
  if (R==-1)
    {
      //il faut resoudre c0-T_ + c1.H + c2.H^2 +...=0
      int i,j, it,max_iter = 1000;
      double eps = 1.e-6;
      DoubleVect coef(PolyT_.line_size());
      coef = 0;
 
      for (i=0 ; i<PolyT_.dimension(0) ; i++)
        for (j=0 ; j<PolyT_.line_size() ; j++)
          coef(j) += PolyT_(i,j) * pow(Pth_,i);
 
      coef(0) -= T_;
      double dH, H = -coef(0)/coef(1), num=coef(0), den=0;
      for (j=1 ; j<PolyT_.line_size() ; j++)
        {
          num += coef(j) * pow(H,j);
          den += j*coef(j) * pow(H,j-1);
        }
      dH = num/den;
      H -= dH;
 
      it=0;
      while (dH/H>eps && it<max_iter)
        {
          num=coef(0);
          den=0;
          for (j=1 ; j<PolyT_.line_size() ; j++)
            {
              num += coef(j) * pow(H,j);
              den += j*coef(j) * pow(H,j-1);
            }
          dH = num / den;
          H -= dH;
          it++;
        }
 
      if (dH/H>eps)
        {
          Cerr<<"PB Loi_Etat_rhoT_GR_QC::calculer_H: resolution Newton impossible "<<finl;
          Cerr<<"Pth= "<<Pth_<<" t="<<T_<<" H="<<H<<finl;
          abort();
        }
      res = H;
    }
  else
    {
      //debuggage
      res = Cp_*T_;
    }
  return res;
}
 
double Loi_Etat_rhoT_GR_QC::Drho_DP(double P, double h) const
{
  double res = 0;
  if (R==-1)
    {
      int i,j;
      double H =h;
      for (i=1 ; i<PolyRho_.dimension(0) ; i++)
        for (j=0 ; j<PolyRho_.line_size() ; j++)
          res += i* PolyRho_(i,j) *pow(P,i-1) *pow(H,j);
    }
  else
    {
      //debuggage
      res = 1/(R*h/Cp_);
    }
  return res;
}
 
//correspond a Drho_DH en fait
double Loi_Etat_rhoT_GR_QC::Drho_DT(double P, double h) const
{
  double res = 0;
  if (R==-1)
    {
      int i,j;
      double H = h;
      for (i=1 ; i<PolyRho_.dimension(0) ; i++)
        for (j=0 ; j<PolyRho_.line_size() ; j++)
          res += i* PolyRho_(i,j) *pow(P,j) *pow(H,i-1);
    }
  else
    {
      //debuggage
      res = -P*Cp_/(R*h*h);
    }
  return res;
}
 
double Loi_Etat_rhoT_GR_QC::DT_DH(double P, double h) const
{
  double res = 0;
  if (R==-1)
    {
      int i,j;
      double H = h;
      for (i=0 ; i<PolyT_.dimension(0) ; i++)
        for (j=1 ; j<PolyT_.line_size() ; j++)
          res += j* PolyT_(i,j) *pow(P,i) *pow(H,j-1);
    }
  else
    {
      //debuggage
      res = Cp_-R;
    }
  return res;
}
 
void Loi_Etat_rhoT_GR_QC::calculer_masse_volumique()
{
  Loi_Etat_GR_base::calculer_masse_volumique();
}