Perte_Charge_Directionnelle_VDF_Face.cpp

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#include <Perte_Charge_Directionnelle_VDF_Face.h>
#include <Param.h>
 
Implemente_instanciable(Perte_Charge_Directionnelle_VDF_Face, "Perte_Charge_Directionnelle_VDF_Face", Perte_Charge_VDF_base);
 
Sortie& Perte_Charge_Directionnelle_VDF_Face::printOn(Sortie& s) const { return s << que_suis_je() << finl; }
 
Entree& Perte_Charge_Directionnelle_VDF_Face::readOn(Entree& s)
{
  Perte_Charge_VDF_base::readOn(s);
  if (v->nb_comp() != dimension)
    {
      Cerr << "Il faut definir le champ direction a " << dimension << " composantes" << finl;
      Process::exit();
    }
  return s;
}
 
void Perte_Charge_Directionnelle_VDF_Face::set_param(Param& param) const
{
  Perte_Charge_VDF_base::set_param(param);
  param.ajouter("direction", &v, Param::REQUIRED);
}
 
void Perte_Charge_Directionnelle_VDF_Face::coeffs_perte_charge(const DoubleVect& u, const DoubleVect& pos, double t, double norme_u, double dh, double nu, double reynolds, double& coeff_ortho,
                                                               double& coeff_long, double& u_l, DoubleVect& v_valeur) const
{
  // Calcul de lambda
  lambda.setVar(0, reynolds);
  lambda.setVar(1, t);
  lambda.setVar(2, pos[0]);
  if (dimension > 1)
    lambda.setVar(3, pos[1]);
  if (dimension > 2)
    lambda.setVar(4, pos[2]);
 
  // Calcul de v et ||v||^2
  //  DoubleVect v_valeur(dimension);
  double vcarre = 0;
  v->valeur_a(pos, v_valeur);
  for (int dim = 0; dim < dimension; dim++)
    vcarre += v_valeur[dim] * v_valeur[dim];
  v_valeur /= sqrt(vcarre);
  // Calcul de u.v
  double scal = 0;
  for (int dim = 0; dim < dimension; dim++)
    scal += u[dim] * v_valeur[dim];
  /*
   // Calcul du resultat
   for (int dim=0;dim<dimension;dim++)
   p_charge[dim] = -lambda.eval()*scal*v_valeur[dim]*norme_u/2./dh;
   */
  u_l = scal;
  coeff_long = lambda.eval() * norme_u / 2. / dh;
  coeff_ortho = 0;
}