Dirichlet.cpp

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#include <Domaine_Cl_dis_base.h>
#include <Equation_base.h>
#include <Dirichlet.h>
 
Implemente_base(Dirichlet, "Dirichlet", Cond_lim_base);
// XD dirichlet condlim_base dirichlet INHERITS_BRACE Dirichlet condition at the boundary called bord (edge) : 1). For
// XD_CONT Navier-Stokes equations, velocity imposed at the boundary; 2). For scalar transport equation, scalar imposed
// XD_CONT at the boundary.
 
Sortie& Dirichlet::printOn(Sortie& s) const { return s << que_suis_je() << finl; }
 
Entree& Dirichlet::readOn(Entree& s) { return Cond_lim_base::readOn(s); }
 
/*! @brief Returns the imposed value on the i-th component of the field at the boundary at the default time of champ_front.
 *
 * @param (int i) index along the first dimension of the field
 * @return (double) the imposed value on the specified field component
 * @throws second dimension of the boundary field greater than 1
 */
double Dirichlet::val_imp(int i) const
{
  return val_imp_au_temps(le_champ_front->get_temps_defaut(), i);
}
 
/*! @brief Returns the imposed value on the (i,j)-th component of the field at the boundary at the default time of champ_front.
 *
 * @param (int i) index along the first dimension of the field
 * @param (int j) index along the second dimension of the field
 * @return (double) the imposed value on the specified field component
 */
double Dirichlet::val_imp(int i, int j) const
{
  return val_imp_au_temps(le_champ_front->get_temps_defaut(), i, j);
}
 
/*! @brief Returns the imposed value on the i-th component of the field at the boundary at the specified time.
 *
 */
double Dirichlet::val_imp_au_temps(double temps, int i) const
{
  const DoubleTab& tab = le_champ_front->valeurs_au_temps(temps);
  if (tab.size() == 1)
    return tab(0, 0);
  if (tab.line_size() == 1)
    return tab(i, 0);
  else
    Cerr << "Dirichlet::val_imp error" << finl;
  exit();
  return 0.;
}
 
/**
 * @class Dirichlet
 * @brief Implements Dirichlet boundary conditions for fields.
 *
 * This class defines the Dirichlet boundary condition, which imposes specific values
 * on the field at the boundary. It provides methods to retrieve the imposed values
 * at specified times and components of the field.
 */
const DoubleTab& Dirichlet::tab_val_imp(double temps) const
{
  if (temps==DMAXFLOAT) temps = le_champ_front->get_temps_defaut();
  const Front_VF& le_bord = ref_cast(Front_VF, frontiere_dis());
  // ToDo factorize in Champ_front_base::valeurs_face()
  int size = le_champ_front->valeurs().dimension(0) == 1 ? le_bord.nb_faces_tot() : le_champ_front->valeurs().dimension_tot(0);
  if (size>0)
    {
      bool update = le_champ_front->instationnaire();
      if (tab_.dimension(0) != size)
        {
          tab_.resize(size, le_champ_front->valeurs().dimension(1));
          update = true;
        }
      update = true;  // Provisoire
      if (update)
        {
          int nb_comp = tab_.dimension(1);
          for (int face = 0; face < size; face++)
            for (int comp = 0; comp < nb_comp; comp++)
              tab_(face, comp) = val_imp_au_temps(temps, face, comp);
        }
    }
  return tab_;
}
 
/*! @brief Returns the imposed value on the (i,j)-th component of the field at the boundary at the specified time.
 *
 */
double Dirichlet::val_imp_au_temps(double temps, int i, int j) const
{
  const DoubleTab& tab = le_champ_front->valeurs_au_temps(temps);
  if (tab.dimension(0) == 1)
    return tab(0, j);
  else
    return tab(i, j);
}
 
void Dirichlet::verifie_ch_init_nb_comp() const
{
  if (le_champ_front)
    {
      const Equation_base& eq = domaine_Cl_dis().equation();
      const int nb_comp = le_champ_front->nb_comp();
      eq.verifie_ch_init_nb_comp_cl(eq.inconnue(), nb_comp, *this);
    }
}