Echange_contact_PolyMAC_HFV.cpp

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#include <Echange_contact_PolyMAC_HFV.h>
#include <Schema_Euler_Implicite.h>
#include <Op_Diff_PolyMAC_HFV_Elem.h>
#include <Op_Diff_PolyMAC_HFV_Elem.h>
#include <Champ_Elem_PolyMAC_HFV.h>
#include <Champ_front_calc.h>
#include <Champ_Uniforme.h>
#include <Equation_base.h>
#include <Probleme_base.h>
#include <Domaine_PolyMAC_HFV.h>
#include <Milieu_base.h>
#include <Operateur.h>
#include <Front_VF.h>
#include <cmath>
 
Implemente_instanciable(Echange_contact_PolyMAC_HFV,"Paroi_Echange_contact_PolyMAC_HFV|Paroi_Echange_contact_PolyMAC_HFV_P1",Echange_externe_impose);
using namespace MEDCoupling;
 
Sortie& Echange_contact_PolyMAC_HFV::printOn(Sortie& s ) const
{
  return s << que_suis_je() << finl;
}
 
Entree& Echange_contact_PolyMAC_HFV::readOn(Entree& s )
{
  if (app_domains.size() == 0) app_domains = { Motcle("Thermique"), Motcle("Neutronique"), Motcle("fraction_massique"), Motcle("indetermine") };
 
  //Nom nom_bord;
  //Motcle nom_champ;
  s >> nom_autre_pb_ >> nom_bord_ >> nom_champ_ >> invh_paroi;
  invh_paroi = invh_paroi > 1e8 ? 0 : 1. / invh_paroi;
  le_champ_front.typer("Ch_front_var_instationnaire_dep");
  T_ext().fixer_nb_comp(1);
  return s;
}
 
void Echange_contact_PolyMAC_HFV::init_op() const
{
  if (o_diff) return;
  Champ_front_calc ch;
  ch.creer(nom_autre_pb_, nom_bord_, nom_champ_);
  fvf = ref_cast(Front_VF, frontiere_dis()), o_fvf = ref_cast(Front_VF, ch.front_dis()); //frontieres
  const Equation_base& eqn = domaine_Cl_dis().equation(), &o_eqn = ch.equation(); //equations
  i_fvf = eqn.domaine_dis().rang_frontiere(fvf->le_nom()), i_o_fvf = o_eqn.domaine_dis().rang_frontiere(nom_bord_);
 
  int i_op = -1, o_i_op = -1, i; //index of the diffusion operator in the other equation
  for (i = 0; i < eqn.nombre_d_operateurs(); i++)
    if (sub_type(Op_Diff_PolyMAC_HFV_Elem, eqn.operateur(i).l_op_base())) i_op = i;
  if (i_op < 0) Process::exit(le_nom() + " : no diffusion operator found in " + eqn.probleme().le_nom() + " !");
  for (i = 0; i < o_eqn.nombre_d_operateurs(); i++)
    if (sub_type(Op_Diff_PolyMAC_HFV_Elem, o_eqn.operateur(i).l_op_base())) o_i_op = i;
  if (o_i_op < 0) Process::exit(le_nom() + " : no diffusion operator found in " + o_eqn.probleme().le_nom() + " !");
  diff = ref_cast(Op_Diff_PolyMAC_HFV_Elem, eqn.operateur(i_op).l_op_base());
  o_diff = ref_cast(Op_Diff_PolyMAC_HFV_Elem, o_eqn.operateur(o_i_op).l_op_base());
}
 
/* identification of elements / faces on the other side of the boundary, with offsets */
void Echange_contact_PolyMAC_HFV::init_f_dist() const
{
  if (f_dist_init_) return; //already done
  const Domaine_PolyMAC_HFV& domaine = ref_cast(Domaine_PolyMAC_HFV, fvf->domaine_dis()), &o_domaine = ref_cast(Domaine_PolyMAC_HFV, o_fvf->domaine_dis());
  const DoubleTab& xv = domaine.xv(), &o_xv = o_domaine.xv();
 
  int i, f, o_f, nf_tot = fvf->nb_faces_tot(), o_nf_tot = o_fvf->nb_faces_tot(), d, D = dimension;
  f_dist.resize(nf_tot);
 
  DoubleTrav xvf(nf_tot, D), o_xvf(o_nf_tot, D); //local/remote positions -> for computing correspondence
  for (i = 0; i <   nf_tot; i++)
    for (d = 0; d < D; d++)   xvf(i, d) =   xv(  fvf->num_face(i), d);
  for (i = 0; i < o_nf_tot; i++)
    for (d = 0; d < D; d++) o_xvf(i, d) = o_xv(o_fvf->num_face(i), d);
 
#ifdef MEDCOUPLING_
  MCAuto<DataArrayDouble> fdad(DataArrayDouble::New()), o_fdad(DataArrayDouble::New());
  fdad->useExternalArrayWithRWAccess(xvf.addr(), nf_tot, D), o_fdad->useExternalArrayWithRWAccess(o_xvf.addr(), o_nf_tot, D);
  //closest point in o_fdad for each point of {f,s}dad
  MCAuto<DataArrayIdType> f_idx(nf_tot && o_nf_tot ? o_fdad->findClosestTupleId(fdad) : nullptr);
 
  for (i = 0; i < nf_tot; i++) //fill f_dist: distant face if coincident, -1 otherwise
    {
      f = fvf->num_face(i), o_f = o_nf_tot ? o_fvf->num_face((int)(f_idx->getIJ(i, 0))) : -1;
      double d2 = o_f >= 0 ? domaine.dot(&xv(f, 0), &xv(f, 0), &o_xv(o_f, 0), &o_xv(o_f, 0)) : 1e8;
      if (d2 < 1e-12) f_dist(i) = o_f;
      else f_dist(i) = -1;
      if (i < fvf->nb_faces() && d2 >= 1e-12)
        Process::exit(Nom("Echange_contact_PolyMAC_HFV: missing opposite faces detected between ") + fvf->le_nom() + " and " + o_fvf->le_nom()
                      + " ! Have you used Decouper_multi?");
    }
 
#else
  Process::exit("Echange_contact_PolyMAC_HFV : MEDCoupling is required!");
#endif
  f_dist_init_ = 1;
}