Champ_Fonc_P0_base.cpp

/****************************************************************************
* Copyright (c) 2026, CEA
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*****************************************************************************/
 
#include <Champ_Fonc_P0_base.h>
#include <Frontiere_dis_base.h>
#include <Domaine_dis_base.h>
#include <Domaine.h>
#include <Domaine_VF.h>
 
Implemente_base(Champ_Fonc_P0_base, "Champ_Fonc_P0_base", Champ_Fonc_base);
// XD champ_input_base field_base champ_input_base BRACE not_set
// XD attr nb_comp entier nb_comp REQ not_set
// XD attr nom chaine nom REQ not_set
// XD attr initial_value list initial_value OPT not_set
// XD attr probleme chaine probleme REQ not_set
// XD attr sous_zone ref_sous_zone sous_zone OPT not_set
 
Sortie& Champ_Fonc_P0_base::printOn(Sortie& os) const { return os << que_suis_je() << " " << le_nom(); }
 
Entree& Champ_Fonc_P0_base::readOn(Entree& is) { return is; }
 
int Champ_Fonc_P0_base::fixer_nb_valeurs_nodales(int n)
{
  // Ugly syntax, otherwise we don't know whether to call
  // domaine_dis_base() from champ_inc_base or from champ_impl...
  const Domaine_dis_base& domainedis = ref_cast(Champ_Fonc_base, *this).domaine_dis_base();
  assert(n == domainedis.domaine().nb_elem());
  const MD_Vector& md = domainedis.domaine().md_vector_elements();
  creer_tableau_distribue(md);
  return 1;
}
 
Champ_base& Champ_Fonc_P0_base::affecter_(const Champ_base& ch)
{
  if (Champ_implementation_P0::affecter_(ch))
    return *this;
  else
    return Champ_Fonc_base::affecter_(ch);
}
 
/*! @brief Trace of the P0 field on the boundary
 *
 */
DoubleTab& Champ_Fonc_P0_base::trace(const Frontiere_dis_base& fr, DoubleTab& x, double tps, int distant) const
{
  return Champ_implementation_P0::trace(fr, valeurs(), x, distant);
}
 
double Champ_Fonc_P0_base::moyenne(const DoubleVect& porosite_elem, int ncomp) const
{
  const Domaine_VF& zvf = le_dom_VF.valeur();
  const DoubleVect& volumes = zvf.volumes();
  const DoubleTab& val = valeurs();
 
  double moy = 0, sum_vol = 0;
 
  for (int e = 0; e < zvf.nb_elem(); e++)
    {
      const double coef = porosite_elem(e) * volumes(e);
      moy += val(e, ncomp) * coef;
      sum_vol += coef;
    }
  moy = mp_sum(moy);
  sum_vol = mp_sum(sum_vol);
  moy /= sum_vol;
  return moy;
}
 
DoubleVect Champ_Fonc_P0_base::moyenne(const DoubleVect& porosite_elem) const
{
  const Domaine_VF& zvf = le_dom_VF.valeur();
  const DoubleVect& volumes = zvf.volumes();
  const DoubleTab& val = valeurs();
 
  const int nb_compo = nb_comp();
  DoubleVect moy(nb_compo);
  moy = 0;
  double sum_vol = 0;
 
  for (int e = 0; e < zvf.nb_elem(); e++)
    {
      const double coef = porosite_elem(e) * volumes(e);
      for (int k = 0; k < nb_compo; k++)
        moy[k] += val(e, k) * coef;
      sum_vol += coef;
    }
 
  moy /= sum_vol;
  return moy;
}
 
int Champ_Fonc_P0_base::imprime(Sortie& os, int ncomp) const
{
  imprime_P0(os, ncomp);
  return 1;
}
 
void Champ_Fonc_P0_base::mettre_a_jour(double t)
{
  Champ_Fonc_base::mettre_a_jour(t);
}
 
double Champ_Fonc_P0_base::valeur_au_bord(int face) const
{
  double val_bord;
  const DoubleTab& val = valeurs();
  const Domaine_VF& zvf = le_dom_VF.valeur();
 
  int n0 = zvf.face_voisins(face, 0);
  if (n0 != -1)
    val_bord = val[n0];
  else
    val_bord = val[zvf.face_voisins(face, 1)];
  return val_bord;
}