Champ_front_fonc_gradient_VDF.cpp

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#include <Champ_front_fonc_gradient_VDF.h>
#include <distances_VDF.h>
#include <Paroi_Knudsen_non_negligeable.h>
#include <TRUSTTrav.h>
 
Implemente_instanciable(Champ_front_fonc_gradient_VDF,"Champ_front_fonc_gradient_VDF",Champ_front_fonc_gradient);
 
Sortie& Champ_front_fonc_gradient_VDF::printOn(Sortie& os) const
{
  return Champ_front_fonc_gradient::printOn(os);
}
 
 
Entree& Champ_front_fonc_gradient_VDF::readOn(Entree& s)
{
  fixer_nb_comp(dimension);
  return s;
}
 
/*! @brief Updates the field at the given time.
 *
 * @param temps Current time.
 */
 
void Champ_front_fonc_gradient_VDF::mettre_a_jour(double temps)
{
  // Cerr << "Champ_front_fonc_gradient_VDF::mettre_a_jour" << finl;
  const Front_VF& la_front=ref_cast(Front_VF, frontiere_dis());
  int nb_faces = la_front.nb_faces();
  int ndeb = la_front.num_premiere_face();
 
  DoubleTab& tab=valeurs_au_temps(temps);
 
  const Domaine_VDF& le_dom_VDF = ref_cast(Domaine_VDF,domaine_dis());
  const IntVect& orientation = le_dom_VDF.orientation();
  // Retrieve the BC and associated fields
  const Paroi_Knudsen_non_negligeable& la_condition_limite=ref_cast(Paroi_Knudsen_non_negligeable,condition_limite(la_front.le_nom()));
  const DoubleTab& la_inconnue_paroi_=la_condition_limite.vitesse_paroi();
  const DoubleTab& k_=la_condition_limite.k();
  const DoubleVect& la_inconnue=inconnue->valeurs();
  int elem,iro,ori,i,j;
  //  double inconnue_moyenne1,inconnue_moyenne2;
 
  DoubleTab la_inconnue_paroi(nb_faces,dimension);
  DoubleVect k(nb_faces);
  DoubleVect inconnue_moyenne(dimension-1);
  if (la_inconnue_paroi_.dimension(0)==1)
    for (i=0; i<nb_faces; i++)
      for (j=0; j<dimension; j++)
        la_inconnue_paroi(i,j)=la_inconnue_paroi_(0,j);
  else
    for (i=0; i<nb_faces; i++)
      for (j=0; j<dimension; j++)
        la_inconnue_paroi(i,j)=la_inconnue_paroi_(i,j);
  if (k_.dimension(0)==1)
    for (i=0; i<nb_faces; i++)
      k(i)=k_(0,0);
  else
    for (i=0; i<nb_faces; i++)
      k(i)=k_(i,0);
  for (i=0; i<nb_faces; i++)
    {
      int num_face=ndeb+i;
      double k_sur_e;
      if (axi)
        k_sur_e=k(i)/le_dom_VDF.dist_norm_bord_axi(num_face);
      else
        k_sur_e=k(i)/le_dom_VDF.dist_norm_bord(num_face);
      elem = le_dom_VDF.face_voisins(num_face,0);
      if ( elem == -1 )
        elem = le_dom_VDF.face_voisins(num_face,1);
      // Compute the unknown at the wall as a function
      // of the orientation
      ori = orientation(num_face);
      tab(i,ori) = la_inconnue_paroi(i,ori);
      if (dimension==2)
        {
          moy_2D_vit(la_inconnue,elem,ori,le_dom_VDF,inconnue_moyenne[0]);
          iro=1-ori;
          tab(i,iro)=(la_inconnue_paroi(i,iro)+k_sur_e*inconnue_moyenne[0])/(1+k_sur_e);
        }
      else if (dimension==3)
        {
          moy_3D_vit(la_inconnue,elem,ori,le_dom_VDF,inconnue_moyenne[0],inconnue_moyenne[1]);
          if (ori==0)
            {
              iro=1;
              tab(i,iro)=(la_inconnue_paroi(i,iro)+k_sur_e*inconnue_moyenne[0])/(1+k_sur_e);
              iro=2;
              tab(i,iro)=(la_inconnue_paroi(i,iro)+k_sur_e*inconnue_moyenne[1])/(1+k_sur_e);
            }
          else if (ori==1)
            {
              iro=0;
              tab(i,iro)=(la_inconnue_paroi(i,iro)+k_sur_e*inconnue_moyenne[0])/(1+k_sur_e);
              iro=2;
              tab(i,iro)=(la_inconnue_paroi(i,iro)+k_sur_e*inconnue_moyenne[1])/(1+k_sur_e);
            }
          else if (ori==2)
            {
              iro=0;
              tab(i,iro)=(la_inconnue_paroi(i,iro)+k_sur_e*inconnue_moyenne[0])/(1+k_sur_e);
              iro=1;
              tab(i,iro)=(la_inconnue_paroi(i,iro)+k_sur_e*inconnue_moyenne[1])/(1+k_sur_e);
            }
        }
    }
  tab.echange_espace_virtuel();
}