Source_Neutronique.h

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#ifndef Source_Neutronique_included
#define Source_Neutronique_included
 
 
 
#include <Terme_Puissance_Thermique.h>
#include <Source_base.h>
#include <Parser_U.h>
class Param;
 
/*! @brief class Source_Neutronique
 *
 *  Represents a source term in the thermal equation corresponding to a
 *  volumetric power from neutronics. The power is determined by solving
 *  the differential equations governing neutron point kinetics.
 *
 *
 * @sa Terme_Puissance_Thermique
 */
 
class Source_Neutronique : public Terme_Puissance_Thermique, public Source_base
{
  Declare_base(Source_Neutronique);
 
public:
  void set_param(Param& param) const override;
  int lire_motcle_non_standard(const Motcle&, Entree&) override;
 
  double rho(double, double);
  const Nom& repartition() const;
  const Nom& nom_ssz() const;
  void faire_un_pas_de_temps_RK();
  void faire_un_pas_de_temps_EE();
  void aller_au_temps(double);
  void mettre_a_jour(double temps) override;
  void completer() override;
  virtual void imprimer(double ) const;
  virtual int limpr(double , double ) const;
  inline double puissance_neutro() const { return Un(0); }
  virtual double calculer_Tmoyenne() = 0;
 
private :
  void mul(DoubleTab& m, DoubleVect& v, DoubleVect& resu);
  void mettre_a_jour_matA(double t);
  int N = -1;                 // number of groups >= 1
  double Tvie = -100.;         // neutron lifetime
  DoubleVect Un, Unp1;// unknowns at time n and n+1: power Un(0) and concentrations Un(i) of group i
  DoubleVect beta;        // beta(i) = number of delayed neutrons from species i
  double beta_som = -100.;          // sum of the beta(i)
  DoubleVect lambda;         //
  DoubleTab matA;           // matrix of the differential equation system
  double dt= -100.;                 // time step
  int init = 1;
  double P0= -100.;                 // power at t=0
  DoubleVect Ci0;         // concentration at t=0
  int Ci0_ok=0;
  double dt_impr = 1e10;
  double temps_courant= -100.;
  void (Source_Neutronique::*faire_un_pas_de_temps)() = nullptr;
  double Tmoy= -100.; // average temperature
 
  Parser_U fct_tT;
  Nom f_xyz;
  Nom n_ssz;
 
};
 
 
#endif