Boundary_field_inward.cpp

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#include <Boundary_field_inward.h>
#include <Motcle.h>
#include <Domaine_VF.h>
#include <Linear_algebra_tools.h>
#include <EChaine.h>
 
Implemente_instanciable(Boundary_field_inward,"Boundary_field_inward",Champ_front_normal);
// XD boundary_field_inward front_field_base boundary_field_inward BRACE this field is used to define the normal vector
// XD_CONT field standard at the boundary in VDF or VEF discretization.
// XD attr normal_value chaine normal_value REQ normal vector value (positive value for a vector oriented outside to
// XD_CONT inside) which can depend of the time.
 
 
 
Sortie& Boundary_field_inward::printOn(Sortie& os) const
{
  return Champ_front_normal::printOn(os);
}
 
 
Entree& Boundary_field_inward::readOn(Entree& is)
{
  return Champ_front_normal::readOn(is);
}
 
 
/*! @brief Initialize normal inward field given on boundaries
 *
 */
 
// Remark :
// This code is not in "Champ_front_normal::initialiser" function because in the case of using
// Champ_front_debit, the readOn function of Champ_front_normal is not called
// so vit_norm is not initialized and it can leads to critical values detected
// in debug mode.
// Moreover, when using Champ_front_debit we don't need to do all these calculations
// That is why Boundary_field_inward was created
int Boundary_field_inward::initialiser(double tps, const Champ_Inc_base& inco)
{
  if( !Champ_front_normal::initialiser(tps,inco) )
    return 0;
  mettre_a_jour(tps);
  return 1;
}
 
void Boundary_field_inward::mettre_a_jour(double tps)
{
  const Domaine_VF& domaine_VF = ref_cast(Domaine_VF,domaine_dis());
  const Front_VF& le_bord= ref_cast(Front_VF,frontiere_dis());
  int first=le_bord.num_premiere_face();
 
  int nb_cases=les_valeurs->nb_cases();
 
  DoubleTab tab_normal_vector(le_bord.nb_faces(),dimension);
 
  // Evaluation de vit_norm:
  vit_norm.setVar("t",tps);
  double value = vit_norm.eval();
 
  for(int i=0; i<le_bord.nb_faces(); i++)
    {
 
      int signe = -1;//we want the opposite of the normal vector
      int global_boundary_face_number=i+first;
      //outward vector associated to the fac global_boundary_face_number
      DoubleTab normal_vector = domaine_VF.normalized_boundaries_outward_vector(global_boundary_face_number,signe);
 
      for (int k=0; k<dimension; k++)
        {
          tab_normal_vector(i,k) = normal_vector(k);
        }
 
      // Fill all moments
      for (int t=0; t<nb_cases; t++)
        {
          DoubleTab& tab=les_valeurs[t].valeurs();
          for(int j=0; j<dimension; j++)
            {
              tab(i,j)=tab_normal_vector(i,j);
              tab(i,j)*=value;
            }
        }
    }
}
 
// Obsolete soon:
Implemente_instanciable(Champ_front_normal_VEF,"Champ_front_normal_VEF",Boundary_field_inward);
// XD champ_front_normal_vef front_field_base champ_front_normal_vef NO_BRACE Field to define the normal vector field
// XD_CONT standard at the boundary in VEF discretization.
// XD attr mot chaine(into=["valeur_normale"]) mot REQ Name of vector field.
// XD attr vit_tan floattant vit_tan REQ normal vector value (positive value for a vector oriented outside to inside).
 
 
Sortie& Champ_front_normal_VEF::printOn(Sortie& os) const
{
  return Boundary_field_inward::printOn(os);
}
 
Entree& Champ_front_normal_VEF::readOn(Entree& is)
{
  Motcle motlu;
  Motcles les_mots(1);
  les_mots[0]="valeur_normale";
  is>>motlu;
  if (motlu != les_mots[0])
    {
      Cerr << "Error while reading a Champ_front_normal" << finl;
      Cerr << "We expected " << les_mots[0] << " instead of " << motlu << finl;
      exit();
    }
  Nom debit;
  is >> debit;
  Nom exp("{ normal_value ");
  exp+=debit;
  exp+=" } ";
  EChaine E(exp);
  return Boundary_field_inward::readOn(E);
}