Champ_front_debit_massique.cpp

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#include <Champ_front_debit_massique.h>
 
#include <Champ_Inc_base.h>
#include <Champ_Uniforme.h>
#include <Equation_base.h>
#include <Milieu_base.h>
#include <Domaine_VF.h>
#include <TRUSTTrav.h>
 
Implemente_instanciable(Champ_front_debit_massique,"Champ_front_debit_massique",Champ_front_debit);
// XD champ_front_debit_massique front_field_base champ_front_debit_massique NO_BRACE This field is used to define a
// XD_CONT flow rate field using the density
// XD attr ch front_field_base ch REQ uniform field in space to define the flow rate. It could be, for example,
// XD_CONT champ_front_uniforme, ch_front_input_uniform or champ_front_fonc_txyz that depends only on time.
Sortie& Champ_front_debit_massique::printOn(Sortie& os) const
{
  return Champ_front_debit::printOn(os);
}
 
Entree& Champ_front_debit_massique::readOn(Entree& is)
{
  return Champ_front_debit::readOn(is);
}
 
void Champ_front_debit_massique::initialiser_coefficient(const Champ_Inc_base& inco, double temps)
{
  Champ_front_debit::initialiser_coefficient(inco, temps);
  ch_rho = &inco.equation().milieu().masse_volumique();
  if (sub_type(Champ_Uniforme, *ch_rho)) //rho constant : on calcule le coeff maintenant, puis on ne le fait plus
    update_coeff(temps), update_coeff_ = false;
  else update_coeff_ = true;
}
 
void Champ_front_debit_massique::update_coeff(double temps)
{
  int i, fb, n, N = coeff_.line_size(), cR = sub_type(Champ_Uniforme, *ch_rho);
  DoubleTab rho_bord = cR ? ch_rho->valeurs() : ch_rho->valeur_aux_bords(); /* si rho uniforme, on ne peut pas appeler valeur_aux_bords() */
  const Domaine_VF& domaine = ref_cast(Domaine_VF, domaine_dis());
  const Front_VF& le_bord= ref_cast(Front_VF,frontiere_dis());
  for(i = 0; i < le_bord.nb_faces_tot(); i++)
    for (fb = domaine.fbord(le_bord.num_face(i)), n = 0; n < N; ++n)
      coeff_(i, n) = 1. / rho_bord(!cR * fb, n);
}