Changement_phase_Silver_Simpson.cpp

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#include <Changement_phase_Silver_Simpson.h>
#include <Pb_Multiphase.h>
#include <TRUSTTab.h>
#include <cmath>
 
Implemente_instanciable(Changement_phase_Silver_Simpson, "Changement_phase_Silver_Simpson", Changement_phase_base);
 
Sortie& Changement_phase_Silver_Simpson::printOn(Sortie& os) const
{
  return os;
}
 
Entree& Changement_phase_Silver_Simpson::readOn(Entree& is)
{
  Param param(que_suis_je());
  param.ajouter("lambda_e", &lambda_ec[0]);
  param.ajouter("lambda_c", &lambda_ec[1]);
  param.ajouter("alpha_min", &alpha_min);
  param.ajouter("M", &M, Param::REQUIRED);
  param.lire_avec_accolades_depuis(is);
  return is;
}
 
double Changement_phase_Silver_Simpson::calculer(int k, int l, const double dh, const double *alpha, const double *T, const double p, const double *nv,
                                                 const double *lambda, const double *mu, const double *rho, const double *Cp, const Saturation_base& sat,
                                                 DoubleTab& dT_G, DoubleTab& da_G, double& dp_G) const
{
  double T0 = 273.15,
         var_ak = std::max(alpha[k], alpha_min), var_al = std::pow(std::max(alpha[l], alpha_min), 1.5), var_a = var_ak * var_al, //partie variable en alpha
         var_T = sat.Psat(T[k]) / sqrt(T[k] + T0) - p / sqrt(T[l] + T0), //partie variable en (T, p)
         fac = lambda_ec[var_T < 0] * 4 / dh * sqrt(M / (2 * M_PI * 8.314)); //partie constante -> G = fac * var
  dT_G = 0, da_G = 0;
  dT_G(k) = fac * var_a * (sat.dT_Psat(T[k]) - 0.5 * sat.Psat(T[k]) / (T[k] + T0)) / sqrt(T[k] + T0);
  dT_G(l) = fac * var_a * 0.5 * p * std::pow(T[l] + T0, -1.5);
  da_G(k) = alpha[k] > alpha_min ? fac * var_T * var_al : 0;
  da_G(l) = alpha[l] > alpha_min ? fac * var_T * var_ak * 1.5 * sqrt(alpha[l]) : 0;
  dp_G = - fac * var_a / sqrt(T[l] + T0);
  return fac * var_a * var_T;
}