Segment_EF_axi.cpp

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#include <Segment_EF_axi.h>
#include <Domaine.h>
#include <DomaineAxi1d.h>
 
Implemente_instanciable( Segment_EF_axi, "Segment_EF_axi", Segment_EF ) ;
 
Sortie& Segment_EF_axi::printOn( Sortie& os ) const
{
  Segment_EF::printOn( os );
  return os;
}
 
Entree& Segment_EF_axi::readOn( Entree& is )
{
  Segment_EF::readOn( is );
  return is;
}
 
void Segment_EF_axi::normale(int num_Face,DoubleTab& Face_normales,
                             const  IntTab& Face_sommets,
                             const IntTab& Face_voisins,
                             const IntTab& elem_faces,
                             const Domaine& domaine_geom) const
{
  Segment_EF::normale(num_Face,Face_normales,Face_sommets,Face_voisins,elem_faces,domaine_geom);
 
  const DoubleTab& les_coords = domaine_geom.coord_sommets();
  const DomaineAxi1d& domax = ref_cast(DomaineAxi1d,domaine_geom);
  int elem = Face_voisins(num_Face,0)==-1 ? Face_voisins(num_Face,1) : Face_voisins(num_Face,0);
 
  double x0 = domax.origine_repere(elem,0);
  double y0 = domax.origine_repere(elem,1);
 
  int som = Face_sommets(num_Face,0);
  double x = les_coords(som,0);
  double y = les_coords(som,1);
 
  double r = sqrt((x-x0)*(x-x0)+(y-y0)*(y-y0));
  double surf = 2.*M_PI*r;
  if (surf>0.)
    Face_normales(num_Face,0)*=surf;
}