Op_Diff_K_Eps_Bas_Re_VDF_leaves.cpp

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#include <Op_Diff_K_Eps_Bas_Re_VDF_leaves.h>
 
Implemente_instanciable_sans_constructeur(Op_Diff_K_Eps_Bas_Re_VDF_Elem_Axi,"Op_Diff_K_Eps_Bas_Re_VDF_const_P0_VDF_Axi",Op_Diff_K_Eps_Bas_Re_VDF_base);
Sortie& Op_Diff_K_Eps_Bas_Re_VDF_Elem_Axi::printOn(Sortie& s ) const { return s << que_suis_je() ; }
Entree& Op_Diff_K_Eps_Bas_Re_VDF_Elem_Axi::readOn(Entree& s ) { return s ; }
Op_Diff_K_Eps_Bas_Re_VDF_Elem_Axi::Op_Diff_K_Eps_Bas_Re_VDF_Elem_Axi() : Op_Diff_K_Eps_Bas_Re_VDF_base(Iterateur_VDF_Elem<Eval_Diff_K_Eps_Bas_Re_VDF_const_Elem_Axi>()) { }
 
Implemente_instanciable_sans_constructeur(Op_Diff_K_Eps_Bas_Re_VDF_Elem,"Op_Diff_K_Eps_Bas_Re_VDF_const_P0_VDF",Op_Diff_K_Eps_Bas_Re_VDF_base);
Sortie& Op_Diff_K_Eps_Bas_Re_VDF_Elem::printOn(Sortie& s ) const { return s << que_suis_je() ; }
Entree& Op_Diff_K_Eps_Bas_Re_VDF_Elem::readOn(Entree& s ) { return s ; }
Op_Diff_K_Eps_Bas_Re_VDF_Elem::Op_Diff_K_Eps_Bas_Re_VDF_Elem() : Op_Diff_K_Eps_Bas_Re_VDF_base(Iterateur_VDF_Elem<Eval_Diff_K_Eps_Bas_Re_VDF_const_Elem>()) { }
 
///////////////////////////////////
// VAR
 
Implemente_instanciable_sans_constructeur(Op_Diff_K_Eps_Bas_Re_VDF_var_Elem,"Op_Diff_K_Eps_Bas_Re_VDF_var_P0_VDF",Op_Diff_K_Eps_Bas_Re_VDF_base);
Sortie& Op_Diff_K_Eps_Bas_Re_VDF_var_Elem::printOn(Sortie& s ) const { return s << que_suis_je() ; }
Entree& Op_Diff_K_Eps_Bas_Re_VDF_var_Elem::readOn(Entree& s ) { return s ; }
 
double Op_Diff_K_Eps_Bas_Re_VDF_var_Elem::calculer_dt_stab() const
{
  double dt_stab, coef;
  const Domaine_VDF& domaine_VDF = iter->domaine();
  const IntTab& elem_faces = domaine_VDF.elem_faces();
  const DoubleVect& alpha = diffusivite().valeurs(), &alpha_t = diffusivite_turbulente().valeurs();
 
  // Calcul du pas de temps de stabilite :
  //  - La diffusivite est non constante donc: dt_stab = Min (1/(2*(diff_lam(i)+diff_turb(i))*coeff(elem))
  //     avec :
  //            coeff =  1/(dx*dx) + 1/(dy*dy) + 1/(dz*dz)
  //            i decrivant l'ensemble des elements du maillage
 
  coef= -1.e10;
  double alpha_local,h_x,h_y,h_z;
 
  if (dimension == 2)
    {
      int numfa[4];
      for (int elem=0; elem<domaine_VDF.nb_elem(); elem++)
        {
          for (int i=0; i<4; i++) numfa[i] = elem_faces(elem,i);
 
          h_x = domaine_VDF.dist_face(numfa[0],numfa[2],0);
          h_y = domaine_VDF.dist_face(numfa[1],numfa[3],1);
          alpha_local = (alpha(elem)+alpha_t(elem))*(1/(h_x*h_x) + 1/(h_y*h_y));
          coef = std::max(coef,alpha_local);
        }
    }
  else if (dimension == 3)
    {
      int numfa[6];
      for (int elem=0; elem<domaine_VDF.nb_elem(); elem++)
        {
          for (int i=0; i<6; i++) numfa[i] = elem_faces(elem,i);
 
          h_x = domaine_VDF.dist_face(numfa[0],numfa[3],0);
          h_y = domaine_VDF.dist_face(numfa[1],numfa[4],1);
          h_z = domaine_VDF.dist_face(numfa[2],numfa[5],2);
          alpha_local = (alpha(elem)+alpha_t(elem))*(1/(h_x*h_x) + 1/(h_y*h_y) + 1/(h_z*h_z));
          coef = std::max(coef,alpha_local);
        }
    }
 
  coef = Process::mp_max(coef);
  dt_stab = 1/(2*(coef+DMINFLOAT));
 
  return dt_stab;
}
 
Op_Diff_K_Eps_Bas_Re_VDF_var_Elem::Op_Diff_K_Eps_Bas_Re_VDF_var_Elem() : Op_Diff_K_Eps_Bas_Re_VDF_base(Iterateur_VDF_Elem<Eval_Diff_K_Eps_Bas_Re_VDF_var_Elem>()) { }