Perte_Charge_Isotrope_VEF_P1NC.cpp

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#include <Perte_Charge_Isotrope_VEF_P1NC.h>
#include <Motcle.h>
#include <Equation_base.h>
 
Implemente_instanciable(Perte_Charge_Isotrope_VEF_P1NC,"Perte_Charge_Isotrope_VEF_P1NC",Perte_Charge_VEF);
// XD perte_charge_isotrope source_base perte_charge_isotrope BRACE Isotropic pressure loss (available in VEF and
// XD_CONT PolyMAC_CDO).
// XD attr lambda chaine lambda_u REQ Function for loss coefficient which may be Reynolds dependant (Ex: 64/Re).
// XD attr diam_hydr champ_don_base diam_hydr REQ Hydraulic diameter value.
// XD attr sous_zone chaine sous_zone OPT Optional sub-area where pressure loss applies.
// XD attr regul bloc_lecture regul OPT Optional parameter for pressure drop coefficient regulation on target flow rate.
// XD attr surface bloc_lecture surface OPT Optional parameter for surface used to impose the pressure drop.
 
Sortie& Perte_Charge_Isotrope_VEF_P1NC::printOn(Sortie& s ) const
{
  return s << que_suis_je() << finl;
}
 
Entree& Perte_Charge_Isotrope_VEF_P1NC::readOn(Entree& s )
{
  Perte_Charge_VEF::readOn(s);
  return s;
}
 
////////////////////////////////////////////////////////////////
//                                                            //
//           Main function: pressure drop coefficients        //
//                                                            //
////////////////////////////////////////////////////////////////
 
void Perte_Charge_Isotrope_VEF_P1NC::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
{
  // Compute 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]);
 
  // Compute the result
  coeff_ortho=lambda.eval()*norme_u/2./dh;
  coeff_long=coeff_ortho;
  // v is unused since coeff_ortho=coeff_long
  //  for (int dim=0;dim<dimension;dim++)
  //  p_charge[dim] = -lambda.eval()*norme_u/2./dh*u[dim];
  u_l=0;
}