Perte_Charge_Anisotrope_VDF_Face.cpp

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#include <Perte_Charge_Anisotrope_VDF_Face.h>
#include <Param.h>
 
Implemente_instanciable(Perte_Charge_Anisotrope_VDF_Face, "Perte_Charge_Anisotrope_VDF_Face", Perte_Charge_VDF_base);
 
Sortie& Perte_Charge_Anisotrope_VDF_Face::printOn(Sortie& s) const { return s << que_suis_je() << finl; }
 
Entree& Perte_Charge_Anisotrope_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_Anisotrope_VDF_Face::set_param(Param& param) const
{
  Perte_Charge_VDF_base::set_param(param);
  param.ajouter_non_std("lambda_ortho", (this), Param::REQUIRED);
  param.ajouter("direction", &v, Param::REQUIRED);
}
 
int Perte_Charge_Anisotrope_VDF_Face::lire_motcle_non_standard(const Motcle& mot, Entree& is)
{
  if (mot == "lambda_ortho")
    {
      Nom tmp;
      is >> tmp;
      Cerr << "Lecture et interpretation de la fonction " << tmp << " ... ";
      lambda_ortho.setNbVar(2 + dimension);
      lambda_ortho.setString(tmp);
      lambda_ortho.addVar("Re");
      lambda_ortho.addVar("t");
      lambda_ortho.addVar("x");
      if (dimension > 1)
        lambda_ortho.addVar("y");
      if (dimension > 2)
        lambda_ortho.addVar("z");
      lambda_ortho.parseString();
      Cerr << " Ok" << finl;
      return 1;
    }
  else
    return Perte_Charge_VDF_base::lire_motcle_non_standard(mot, is);
}
 
void Perte_Charge_Anisotrope_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 lambda_ortho
  lambda_ortho.setVar(0, reynolds);
  lambda_ortho.setVar(1, t);
  lambda_ortho.setVar(2, pos[0]);
  if (dimension > 1)
    lambda_ortho.setVar(3, pos[1]);
  if (dimension > 2)
    lambda_ortho.setVar(4, pos[2]);
  double l_ortho = lambda_ortho.eval(); // Pour ne pas evaluer 2 fois le parser
 
  // 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] = -l_ortho*norme_u/2./dh*u[dim]
   -(lambda.eval()-l_ortho)*scal*v_valeur[dim]*norme_u/2./dh;
   */
  coeff_ortho = l_ortho * norme_u / 2. / dh;
  coeff_long = lambda.eval() * norme_u / 2. / dh;
  u_l = scal;
}