Champ_P1_isoP1Bulle.cpp

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#include <Champ_P1_isoP1Bulle.h>
#include <TRUSTTab_parts.h>
#include <Domaine.h>
#include <Debog.h>
 
Implemente_instanciable(Champ_P1_isoP1Bulle,"Champ_P1_isoP1Bulle",Champ_Inc_base);
 
Sortie& Champ_P1_isoP1Bulle::printOn(Sortie& s ) const { return s << que_suis_je() << finl; }
 
Entree& Champ_P1_isoP1Bulle::readOn(Entree& is )
{
  lire_donnees(is) ;
  return is ;
}
 
int Champ_P1_isoP1Bulle::fixer_nb_valeurs_nodales(int n)
{
  // Do not specify nb_ddl!
  assert(n < 0);
  const Domaine_VEF& zvef = domaine_vef();
  const MD_Vector& md = zvef.md_vector_p1b();
  creer_tableau_distribue(md);
  return n;
}
 
double Champ_P1_isoP1Bulle::norme_L2(const Domaine& dom) const
{
  const Domaine_VEF& zvef = domaine_vef();
  const IntTab& som_elem = zvef.domaine().les_elems();
  const DoubleVect& volumes = zvef.volumes();
 
  int prs = zvef.numero_premier_sommet();
  DoubleTab q(valeurs());
  double norme = 0, s = 0;
  double alpha = 1. / (dimension * (dimension + 1));
  int i, k;
  double somme = 0;
  int sz = q.size();
  for (i = prs; i < sz; i++)
    somme += q(i);
  somme /= (sz - prs);
  for (i = 0; i < prs; i++)
    q(i) += alpha * somme;
  for (i = prs; i < sz; i++)
    q(i) -= somme;
  for (i = 0; i < prs; i++)
    {
      double m = 0;
      for (k = 0; k < (dimension + 1); k++)
        m += q(prs + som_elem(i, k));
      m *= alpha;
      m += q(i);
      s += m * volumes(i);
      norme += volumes(i);
    }
  Cerr << "norme L1 : " << s << finl;
 
  s /= norme;
  for (i = 0; i < prs; i++)
    q(i) -= s;
  s = norme = 0;
  for (i = 0; i < prs; i++)
    {
      double m = 0;
      for (k = 0; k < (dimension + 1); k++)
        m += q(prs + som_elem(i, k));
      m *= alpha;
      m += q(i);
      m *= m;
      norme += volumes(i) * m;
 
      for (k = 0; k < (dimension + 1); k++)
        {
          double v = 0;
          for (int l = 0; l < (dimension + 1); l++)
            {
              if (k != l)
                v += q(prs + som_elem(i, l));
            }
          v *= alpha;
          v *= v;
          v /= (dimension + 1);
          norme += volumes(i) * v;
        }
    }
  return sqrt(norme);
}
Champ_base& Champ_P1_isoP1Bulle::affecter_(const Champ_base& ch)
{
  DoubleTab noeuds;
  const Domaine_VEF& zvef = domaine_vef();
 
  remplir_coord_noeuds(noeuds);
 
  DoubleTab_parts parties_P(valeurs());
  Debog::verifier("affecter::champ ch", ch.valeurs());
  if (zvef.get_alphaE() && zvef.get_alphaS())
    {
 
      DoubleTab& Pk = parties_P[0];  // element part
      DoubleTab& Ps = parties_P[1];  // vertex part
 
      //const Domaine_VEF& zvef=domaine_vef();
      const Domaine& le_dom = zvef.domaine();
      const Domaine& dom = le_dom;
      const DoubleTab& coord_sommets = dom.coord_sommets();
      const DoubleTab& xg = zvef.xp();
      ch.valeur_aux(xg, Pk);
      ch.valeur_aux(coord_sommets, Ps);
    }
  else
    ch.valeur_aux(noeuds, valeurs());
 
  //  abort();
  Debog::verifier("affecter::champ brut", valeurs());
  // GF: subtract the mean part from elements if both element and vertex supports
  if (zvef.get_alphaE() && zvef.get_alphaS())
    {
 
      //int nb_som=zvef.nb_som();
      DoubleVect& Pk = parties_P[0];  // element part
      DoubleVect& Ps = parties_P[1];  // vertex part
 
      /*
       // if Ps equals 0, retrieve p at elements
       // workaround ....
       const DoubleTab& coord=zvef.domaine().coord_sommets();
       for (int s=0;s<nb_som;s++)
       if (Ps(s)==0)
       {
       abort();
       double x=coord(s,0);
       double y=coord(s,1);
       double z=0;
       if (dimension==3)
       z=coord(s,2);
       int elem=zvef.domaine().chercher_elements(x,y,z);
       Ps(s)=valeurs()(elem);
       }
       */
 
      // first subtract the vertex mean from each element
      const IntTab& som_elem = zvef.domaine().les_elems();
 
      int prs = zvef.numero_premier_sommet();
      int i, k;
      double alpha = 1. / (dimension);
      //DoubleTab& p = valeurs();
      for (i = 0; i < prs; i++)
        {
          double m = 0;
          for (k = 0; k < (dimension + 1); k++)
            m += Ps(som_elem(i, k));
          m *= alpha;
          Pk(i) -= m;
        }
      Debog::verifier("affecter::champ milieu", valeurs());
      // Access arrays for Pk and Ps values
 
      double moyenne_K = mp_moyenne_vect(Pk);           // Compute the mean of the element field
      Pk -= moyenne_K;
      valeurs().echange_espace_virtuel();
 
      Debog::verifier("affecter::champ final", valeurs());
      //Cerr<<"minPS "<<min_abs(Ps)<<finl;exit();
    }
 
  return *this;
 
}
 
DoubleTab& Champ_P1_isoP1Bulle::remplir_coord_noeuds(DoubleTab& coord) const
{
  return Champ_P1iP1B_implementation::remplir_coord_noeuds(coord);
}
 
DoubleVect& Champ_P1_isoP1Bulle::valeur_a_elem(const DoubleVect& position, DoubleVect& val, int le_poly) const
{
  return Champ_P1iP1B_implementation::valeur_a_elem(position, val, le_poly);
}
 
double Champ_P1_isoP1Bulle::valeur_a_elem_compo(const DoubleVect& position, int le_poly, int ncomp) const
{
  return Champ_P1iP1B_implementation::valeur_a_elem_compo(position, le_poly, ncomp);
}
 
DoubleTab& Champ_P1_isoP1Bulle::valeur_aux_elems(const DoubleTab& positions, const IntVect& les_polys, DoubleTab& val) const
{
  return Champ_P1iP1B_implementation::valeur_aux_elems(positions, les_polys, val);
}
 
DoubleVect& Champ_P1_isoP1Bulle::valeur_aux_elems_compo(const DoubleTab& positions, const IntVect& les_polys, DoubleVect& val, int ncomp) const
{
  return Champ_P1iP1B_implementation::valeur_aux_elems_compo(positions, les_polys, val, ncomp);
}
 
DoubleTab& Champ_P1_isoP1Bulle::trace(const Frontiere_dis_base& fr, DoubleTab& x, double tps, int distant) const
{
  if (!est_egal(temps_, tps))
    {
      Cerr << "The method Champ_P1_isoP1Bulle::trace performs an interpolation of the field values" << finl;
      Cerr << "for which the trace on the boundary is requested" << finl;
      Cerr << "This interpolation uses by default the values at the current time " << temps_ << finl;
      Cerr << "of this field which does not match the time passed as parameter " << tps << finl;
      exit();
    }
  return Champ_P1iP1B_implementation::trace(fr, valeurs(tps), x, distant);
}
 
double Champ_P1_isoP1Bulle::valeur_au_bord(int face) const
{
  const DoubleTab& val = valeurs();
  const Domaine_VEF& domaine_VEF = domaine_vef();
  const IntTab& face_voisins = domaine_VEF.face_voisins();
  const IntTab& som_elem = domaine_VEF.domaine().les_elems();
  int nps = domaine_VEF.numero_premier_sommet();
 
  int elem = face_voisins(face, 0);
  if (face_voisins(face, 1) != -1)
    {
      Cerr << "Error in Champ_P1_isoP1Bulle::valeur_au_bord." << finl;
      Cerr << "The face is not a boundary face." << finl;
      Process::exit();
    }
 
  int som_opp = domaine_VEF.get_num_fac_loc(face, 0);
  double la_val_bord = 0;
  for (int i = 0; i < (dimension + 1); i++)
    if (i != som_opp)
      {
        la_val_bord += val[nps + som_elem(elem, i)];
      }
  la_val_bord /= dimension;
  return la_val_bord;
}
 
void Champ_P1_isoP1Bulle::completer(const Domaine_Cl_dis_base& zcl)
{
  Champ_P1iP1B_implementation::completer(zcl);
}