champ_init_canal_sinal.h

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#ifndef champ_init_canal_sinal_included
#define champ_init_canal_sinal_included
 
#include <TRUSTChamp_Divers_generique.h>
 
class champ_init_canal_sinal : public TRUSTChamp_Divers_generique<Champ_Divers_Type::CANAL>
{
  Declare_instanciable(champ_init_canal_sinal);
public :
  DoubleVect& valeur_a(const DoubleVect& position, DoubleVect& valeurs) const override;
  double valeur_a_elem_compo(const DoubleVect& position, int le_poly, int ncomp) const override;
  DoubleTab& valeur_aux(const DoubleTab& positions, DoubleTab& valeurs) const override;
  DoubleVect& valeur_aux_compo(const DoubleTab& positions, DoubleVect& valeurs, int ncomp) const override;
 
protected :
  double Ucent = -1., h = -1., ampli_bruit = -1., omega = -1., ampli_sin = -1.;
  // Default initialisation of minimums and maximums to generalise channel initialisation for any position in space.
  int dir_wall = 1, dir_flow = 0;
  double min_dir_flow = 0., min_dir_wall = 0.;
 
  inline double fx(double x) const { return 0.; }
 
  inline double fx(double x, double y) const
  {
    return Ucent / (h * h) * (y - min_dir_wall) * (2.0 * h - (y - min_dir_wall));
  }
 
  inline double fy(double x, double y) const
  {
    return ampli_bruit * (-0.5 + drand48()) + ampli_sin * sin(omega * (x - min_dir_flow));
  }
 
  inline double fx(double x, double y, double z) const
  {
    return Ucent / (h * h) * (y - min_dir_wall) * (2.0 * h - (y - min_dir_wall));
  }
 
  inline double fy(double x, double y, double z) const
  {
    return ampli_bruit * (-0.5 + drand48()) + ampli_sin * sin(omega * (x - min_dir_flow));
  }
 
  inline double fz(double x, double y, double z) const
  {
    return ampli_bruit * (-0.5 + drand48());
  }
};
 
#endif /* champ_init_canal_sinal_included */