Champ_front_txyz.cpp

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//   New boundary field
 
#include <Champ_front_txyz.h>
#include <Domaine.h>
#include <Frontiere_dis_base.h>
#include <Domaine_VF.h>
#include <TRUSTTrav.h>
 
Implemente_instanciable(Champ_front_txyz,"Champ_front_fonc_txyz",Ch_front_var_instationnaire_indep);
// XD champ_front_fonc_txyz front_field_base champ_front_fonc_txyz NO_BRACE Boundary field which is not constant in
// XD_CONT space and in time.
// XD attr val listchaine val REQ Values of field components (mathematical expressions).
 
/*! @brief Print the field to an output stream.
 *
 * Prints the field size and the (constant) value on
 *     the boundary.
 *
 * @param (Sortie& os) an output stream
 * @return (Sortie&) the modified output stream
 */
Sortie& Champ_front_txyz::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 Read the field from an input stream.
 *
 * Format:
 *       Champ_front_txyz nb_compo vrel_1 ... [vrel_i]
 *
 * @param (Entree& is) an input stream
 * @return (Entree& is) the modified input stream
 */
Entree& Champ_front_txyz::readOn(Entree& is)
{
  //Cout << "Dans  Champ_front_txyz.readOn !!!!!!!!!" << finl;
  int dim;
  dim=lire_dimension(is,que_suis_je());
  fixer_nb_comp(dim);
 
  fxyz.dimensionner(dim);
 
 
  //        Cout << "dim = " << dim << finl;
  for (int i = 0; i<dim; i++)
    {
      Nom tmp;
      //Cout << "i = " << i << finl;
      is >> tmp;
      //Cout << "fonc = " << tmp << finl;
      Cerr << "Reading and interpretation of the function " << tmp << finl;
      fxyz[i].setNbVar(4);
      fxyz[i].setString(tmp);
      fxyz[i].addVar("t");
      fxyz[i].addVar("x");
      fxyz[i].addVar("y");
      fxyz[i].addVar("z");
      fxyz[i].parseString();
      Cerr << "Interpretation of function " << tmp << " Ok" << finl;
      //        Cout << "end = " << tmp << finl;
    }
 
  return is;
}
 
 
 
/*! @brief Returns the object upcast to Champ_front_base&
 *
 * @param (Champ_front_base& ch)
 * @return (Champ_front_base&) (*this) upcast to Champ_front_base&
 */
Champ_front_base& Champ_front_txyz::affecter_(const Champ_front_base& ch)
{
  return *this;
}
 
 
void Champ_front_txyz::mettre_a_jour(double temps)
{
  int dim=nb_comp();
  const Frontiere_dis_base& fr_dis=frontiere_dis();
  const Domaine_VF& zvf = ref_cast(Domaine_VF, fr_dis.domaine_dis());
  int nb_faces=ref_cast(Front_VF, fr_dis).nb_faces();
  int premiere_face = ref_cast(Front_VF, fr_dis).num_premiere_face();
  DoubleTab& tab=valeurs_au_temps(temps);
  for(int i=0; i<nb_faces; i++)
    {
      for(int k=0; k<dim; k++)
        {
          fxyz[k].setVar(0,temps);
          fxyz[k].setVar(1,zvf.xv(premiere_face + i, 0));
          fxyz[k].setVar(2,zvf.xv(premiere_face + i, 1));
          if (dimension >= 3)
            fxyz[k].setVar(3,zvf.xv(premiere_face + i, 2));
          tab(i,k)=fxyz[k].eval();
        }
    }
  tab.echange_espace_virtuel();
}
 
double Champ_front_txyz::valeur_au_temps_et_au_point(double temps,int som,double x,double y, double z, int k) const
{
  Parser_U& fxyzk=fxyz[k];
  fxyzk.setVar(0,temps);
  fxyzk.setVar(1,x);
  fxyzk.setVar(2,y);
  fxyzk.setVar(3,z);
  return fxyzk.eval();
}