Champ_front_debit_QC.cpp

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#include <Champ_front_debit_QC.h>
#include <Probleme_base.h>
#include <Equation_base.h>
#include <Fluide_Quasi_Compressible.h>
#include <Motcle.h>
#include <Domaine_VDF.h>
#include <Interprete.h>
 
Implemente_instanciable(Champ_front_debit_QC,"Champ_front_debit_QC_VDF",Ch_front_var_instationnaire_indep);
// XD Champ_front_debit_QC_VDF front_field_base Champ_front_debit_QC_VDF NO_BRACE This keyword is used to define a flow
// XD_CONT rate field for quasi-compressible fluids in VDF discretization. The flow rate is kept constant during a
// XD_CONT transient.
// XD attr dimension entier dim REQ Problem dimension
// XD attr liste bloc_lecture liste REQ List of the mass flow rate values [kg/s/m2] with the following syntaxe: { val1
// XD_CONT ... valdim }
// XD attr moyen chaine moyen OPT Option to use rho mean value
// XD attr pb_name chaine pb_name REQ Problem name
 
 
 
/*! @brief Prints to an output stream in the format: size
 *
 *     value(0) ... value(i)  ... value(size-1)
 *
 * @param os output stream
 * @return modified output stream
 */
Sortie& Champ_front_debit_QC::printOn(Sortie& os) const
{
  const DoubleTab& tab=valeurs();
  os << tab.size() << " ";
  for(int i=0; i<tab.size(); i++)
    os << tab(0,i);
  return os;
}
 
/*! @brief Reads from an input stream in the format: number_of_components
 *
 *     mean mean(0) ... mean(number_of_components-1)
 *     mean amplitude(0) ... amplitude(number_of_components-1)
 *
 * @param is input stream
 * @return modified input stream
 * @throws opening brace expected
 * @throws unknown keyword at this location
 * @throws closing brace expected
 */
Entree& Champ_front_debit_QC::readOn(Entree& is)
{
  Cerr<<"Champ_front_debit_QC_VDF usage : dim { val1 .. valdim } [ moyen ] nom_pb"<<finl;
  int dim;
  is >> dim;
  Motcle motlu;
  Motcles les_mots(2);
  les_mots[0]="{";
  les_mots[1]="}";
  is >> motlu;
  if (motlu != les_mots[0])
    {
      Cerr << "Error reading a Champ_front_debit_QC" << finl;
      Cerr << "Expected { instead of " << motlu << finl;
      exit();
    }
  fixer_nb_comp(dim);
  Debit.resize(dim);
  for(int i=0; i<dim; i++)
    is >> Debit(i);
  is >> motlu;
  if (motlu != les_mots[1])
    {
      Cerr << "Error reading a Champ_front_debit_QC" << finl;
      Cerr << "Expected } instead of " << finl;
      exit();
    }
  Nom nom_pb;
  is>>nom_pb;
  Motcle nom;
  nom=nom_pb;
  if (nom=="moyen")
    {
      ismoyen=1;
      is >> nom_pb;
    }
  Objet_U& ob1=Interprete::objet(nom_pb);
  const Probleme_base& pb=ref_cast(Probleme_base,ob1);
  fluide=ref_cast(Fluide_Quasi_Compressible,pb.equation(0).milieu());
  return is;
}
 
 
/*! @brief Not implemented!!
 *
 * @param ch source boundary field
 * @return reference to this boundary field
 */
Champ_front_base& Champ_front_debit_QC::affecter_(const Champ_front_base& ch)
{
  return *this;
}
 
/*! @brief Updates the time and re-draws random noise values.
 *
 * @param tps current time for the update
 */
void Champ_front_debit_QC::mettre_a_jour(double tps)
{
 
 
  const Frontiere& front=la_frontiere_dis->frontiere();
  int nb_faces=front.nb_faces();
  DoubleTab& tab=valeurs();
  int dim=nb_comp();
  const Domaine_VDF& le_dom_VDF = ref_cast(Domaine_VDF,domaine_dis());
  const IntTab& face_voisins=le_dom_VDF.face_voisins();
  const Front_VF& front_vf=ref_cast(Front_VF,la_frontiere_dis.valeur());
  int ndeb = front_vf.num_premiere_face();
  int nfin = ndeb + nb_faces;
  const DoubleTab& tab_rhonp1P0 =fluide->loi_etat()->rho_np1();
  if (ismoyen==0)
 
    for (int num_face=ndeb; num_face<nfin; num_face++)
      {
        int n0 = face_voisins(num_face, 0);
 
        if (n0 == -1)
          n0 = face_voisins(num_face, 1);
        for (int ori=0; ori<dim; ori++)
          tab(num_face-ndeb,ori)=Debit(ori)/tab_rhonp1P0(n0);
      }
  else
    {
      int num_face;
      double rho_moy=0,S=0,s;
      const DoubleVect& surface=le_dom_VDF.face_surfaces();
      for ( num_face=ndeb; num_face<nfin; num_face++)
        {
          int n0 = face_voisins(num_face, 0);
 
          if (n0 == -1)
            n0 = face_voisins(num_face, 1);
          s=surface(num_face);
          S+=s;
          rho_moy+=s*tab_rhonp1P0(n0);
        }
      // Optimization: combine 2 mp_sum into 1 collective call
      mp_sum_for_each(S, rho_moy);
      rho_moy/=S;
      for ( num_face=ndeb; num_face<nfin; num_face++)
        for (int ori=0; ori<dim; ori++)
          tab(num_face-ndeb,ori)=Debit(ori)/rho_moy;
    }
 
}