Viscosite_turbulente_base.cpp

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#include <Viscosite_turbulente_base.h>
#include <Pb_Multiphase.h>
 
Implemente_base(Viscosite_turbulente_base, "Viscosite_turbulente_base", Correlation_base);
// XD type_diffusion_turbulente_multiphase_deriv objet_lecture type_diffusion_turbulente_multiphase_deriv INHERITS_BRACE
// XD_CONT not_set
 
// XD diffusion_turbulente_multiphase diffusion_deriv turbulente NO_BRACE Turbulent diffusion operator for multiphase
// XD_CONT problem
// XD attr type type_diffusion_turbulente_multiphase_deriv type OPT Turbulence model for multiphase problem
 
Sortie& Viscosite_turbulente_base::printOn(Sortie& os) const {return os;}
 
Entree& Viscosite_turbulente_base::readOn(Entree& is) {return is;}
 
void Viscosite_turbulente_base::modifier_mu(DoubleTab& mu) const
{
  const DoubleTab& rho = pb_->get_champ("masse_volumique").passe(),
                   *alpha = pb_->has_champ("alpha") ? &(pb_->get_champ("alpha").passe()) : nullptr;
  int i, nl = mu.dimension(0), n, N = rho.line_size(), cR = rho.dimension(0) == 1, d, D = dimension;
  DoubleTrav nu_t(nl, N); //turbulent viscosity: always scalar
  eddy_viscosity(nu_t); //filled by the correlation
  if (mu.nb_dim() == 2) //scalar nu
    for (i = 0; i < nl; i++)
      for (n = 0; n < N; n++) mu(i, n) += (alpha ? (*alpha)(i, n) * rho(!cR * i, n) : 1) * nu_t(i, n);
  else if (mu.nb_dim() == 3) //diagonal anisotropic nu
    for (i = 0; i < nl; i++)
      for (n = 0; n < N; n++)
        for (d = 0; d < D; d++) mu(i, n, d) += (alpha ? (*alpha)(i, n) : 1) * rho(!cR * i, n) * nu_t(i, n);
  else if (mu.nb_dim() == 4) //full anisotropic nu
    for (i = 0; i < nl; i++)
      for (n = 0; n < N; n++)
        for (d = 0; d < D; d++) mu(i, n, d, d) += (alpha ? (*alpha)(i, n) : 1) * rho(!cR * i, n) * nu_t(i, n);
  else abort();
  mu.echange_espace_virtuel();
}