Source_WC_Chaleur.cpp

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#include <Fluide_Weakly_Compressible.h>
#include <Domaine_Cl_dis_base.h>
#include <Source_WC_Chaleur.h>
#include <Schema_Temps_base.h>
#include <Equation_base.h>
#include <Domaine_VF.h>
 
Implemente_base(Source_WC_Chaleur,"Source_WC_Chaleur",Source_Chaleur_Fluide_Dilatable_base);
 
Sortie& Source_WC_Chaleur::printOn(Sortie& os) const
{
  os <<que_suis_je()<< finl;
  return os;
}
 
Entree& Source_WC_Chaleur::readOn(Entree& is)
{
  return is;
}
 
DoubleTab& Source_WC_Chaleur::ajouter(DoubleTab& resu) const
{
  if(has_interface_blocs())
    {
      ajouter_blocs({}, resu);
      return resu;
    }
  return ajouter_(resu);
}
 
/*! @brief Adds the weakly compressible source term d P_tot / d t = del P / del t + u.
 *
 * grad(P_tot)
 *
 * @return (Entree&)
 */
DoubleTab& Source_WC_Chaleur::ajouter_(DoubleTab& resu) const
{
  double dt_ = mon_equation->schema_temps().temps_courant() - mon_equation->schema_temps().temps_precedent();
  if (dt_ <= 0.) return resu; // Do not compute this source term if dt<=0
 
  Fluide_Weakly_Compressible& FWC = ref_cast_non_const(Fluide_Weakly_Compressible,le_fluide.valeur());
  DoubleTab& Ptot = FWC.pression_th_tab(), &Ptot_n = FWC.pression_thn_tab(); // present & previous
 
  Ptot.echange_espace_virtuel();
 
  DoubleTab UgradP(Ptot); // element field in VDF and face field in VEF
  UgradP = 0.;
 
  // Only if non uniform and if the flag use_grad_pression_eos is 1
  if (FWC.use_total_hydro_pressure() && FWC.use_grad_pression_eos()) compute_interpolate_gradP(UgradP,Ptot);
 
  assert (resu.dimension(0) == UgradP.dimension(0));
  assert (resu.size() == UgradP.size());
 
  for (int i=0 ; i< resu.dimension(0); i++)
    {
      double dpth = ( Ptot(i,0) - Ptot_n(i,0) ) / dt_ +  UgradP(i,0);
      resu(i) += dpth * volumes(i)*porosites(i) ;
    }
  return resu;
}
 
const DoubleTab& Source_WC_Chaleur::correct_grad_boundary(const Domaine_VF& domaine, DoubleTab& grad_Ptot) const
{
  // We dont have a CL for Ptot => we apply explicitly to have a null gradient on the boundary ...
  const Domaine_Cl_dis_base& domaine_cl = mon_equation->domaine_Cl_dis();
  for (int n_bord=0; n_bord<domaine.nb_front_Cl(); n_bord++)
    {
      const Cond_lim& la_cl = domaine_cl.les_conditions_limites(n_bord);
      const Front_VF& le_bord = ref_cast(Front_VF,la_cl->frontiere_dis());
      // retrieve face and replace gradient by 0
      const int ndeb = le_bord.num_premiere_face(), nfin = ndeb + le_bord.nb_faces();
      for (int num_face=ndeb; num_face<nfin; num_face++) grad_Ptot(num_face,0) = 0.;
    }
  return grad_Ptot;
}