ALE_MetricsUpdater.cpp

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#include <ALE_MetricsUpdater.h>
#include <Domaine_ALE.h>
#include <Objet_U.h>
#include <Domaine_VF.h>
#include <Domaine_VEF.h>
#include <Domaine_EF.h>
#include <Domaine_Poly_base.h>
#include <Domaine_Cl_VEF.h>
#include <Elem_VEF_base.h>
#include <Elem_EF_base.h>
#include <Faces.h>
#include <CL_Types_include.h>
#include <Probleme_base.h>
#include <Process.h>
 
void ALE_MetricsUpdater::update(Domaine_dis_base& le_domaine_dis,
                                Probleme_base& pb, Domaine_ALE& dom)
{
  Domaine_VF& le_dom_VF = ref_cast(Domaine_VF, le_domaine_dis);
 
  // Update boundary surface domains and any extracted-surface sub-domain
  dom.creer_mes_domaines_frontieres(le_dom_VF);
  dom.update_coord_dom_extrait_surface();
 
  // Recompute cell volumes and centroids
  le_dom_VF.volumes() = 0.;
  dom.calculer_volumes(le_dom_VF.volumes(), le_dom_VF.inverse_volumes());
  le_dom_VF.xp() = 0;
  dom.calculer_centres_gravite(le_dom_VF.xp());
 
  // Recompute face centroids.
  DoubleTab& xv = le_dom_VF.xv();
  xv.reset();
  Faces::Calculer_centres_gravite(xv, dom.type_elem()->type_face(),
                                  dom.les_sommets(), le_dom_VF.face_sommets());
 
  // Dispatch to discretization-specific update
  if (sub_type(Domaine_VEF, le_dom_VF))
    update_VEF(pb, dom);
  else if (sub_type(Domaine_EF, le_dom_VF))
    update_EF(pb, dom);
  else if (sub_type(Domaine_Poly_base, le_dom_VF))
    update_PolyMAC(pb, dom);
  else
    {
      Cerr << "ALE_MetricsUpdater: Discretization not recognized by ALE!" << finl;
      Process::exit();
    }
}
 
void ALE_MetricsUpdater::update_VEF(Probleme_base& pb, Domaine_ALE& dom)
{
  Domaine_VEF& le_dom_VEF = ref_cast(Domaine_VEF, pb.domaine_dis());
 
  DoubleTab& normales        = le_dom_VEF.face_normales();
  //auto& facette_normales_    = le_dom_VEF.facette_normales();
  IntVect& rang_elem_non_standard = le_dom_VEF.rang_elem_non_std();
  le_dom_VEF.volumes_entrelaces() = 0;
  le_dom_VEF.calculer_volumes_entrelaces();
 
  const IntTab& face_sommets = le_dom_VEF.face_sommets();
  const int nb_faces_tot     = face_sommets.dimension_tot(0);
  le_dom_VEF.calculer_h_carre();
  const Elem_VEF_base& type_elem = le_dom_VEF.type_elem();
 
  // Recompute outward face normals
  type_elem.creer_face_normales(normales, face_sommets, le_dom_VEF.face_voisins(), le_dom_VEF.elem_faces(), dom);
 
  // Fix orientation of periodic normals.
  // After the first call to Domain_VEF::modifier_pour_Cl, periodic face neighbors
  // are no longer -1, so modifier_pour_Cl cannot be reused.
  // We manually enforce: normales(faassociee, k) == normales(face, k).
  IntVect fait(nb_faces_tot);
  fait = 0;
  int dimension=Objet_U::dimension;
  const Domaine_Cl_VEF& domaine_Cl_VEF = ref_cast(Domaine_Cl_VEF,
                                                  pb.equation(0).domaine_Cl_dis());
  for (int n_bord = 0; n_bord < le_dom_VEF.nb_front_Cl(); n_bord++)
    {
      const Cond_lim& la_cl = domaine_Cl_VEF.les_conditions_limites(n_bord);
      if (sub_type(Periodique, la_cl.valeur()))
        {
          const Periodique& la_cl_period = ref_cast(Periodique, la_cl.valeur());
          const Front_VF& le_bord = ref_cast(Front_VF, la_cl->frontiere_dis());
          const int nfin = le_bord.nb_faces_tot();
          for (int num_face = 0; num_face < nfin; num_face++)
            {
              int face = le_bord.num_face(num_face);
              if (fait(face) == 0)
                {
                  int faassociee = le_bord.num_face(la_cl_period.face_associee(num_face));
                  fait(face)     = 1;
                  fait(faassociee) = 1;
                  for (int k = 0; k < dimension; k++)
                    normales(faassociee, k) = normales(face, k);
                }
            }
        }
    }
 
  type_elem.creer_facette_normales(le_dom_VEF, rang_elem_non_standard);
 
  // Recompute Cl-specific entrelaced volumes and facette normals for every equation
  const int nb_eqn = pb.nombre_d_equations();
  for (int num_eq = 0; num_eq < nb_eqn; num_eq++)
    {
      Domaine_Cl_VEF& la_zcl_VEF = ref_cast(Domaine_Cl_VEF,
                                            pb.equation(num_eq).domaine_Cl_dis());
      la_zcl_VEF.remplir_volumes_entrelaces_Cl(le_dom_VEF);
      la_zcl_VEF.remplir_normales_facettes_Cl(le_dom_VEF);
    }
 
  update_face_surfaces_from_normal_vectors(dom);
}
 
 
void ALE_MetricsUpdater::update_EF(Probleme_base& pb, Domaine_ALE& dom)
{
  // Currently a no-op (placeholder for future implementation)
  return;
 
  Domaine_EF& le_dom_ef         = ref_cast(Domaine_EF, pb.domaine_dis());
  const int nb_faces_tot        = le_dom_ef.nb_faces_tot();
  DoubleTab& normales            = le_dom_ef.face_normales();
  const Elem_EF_base& type_elem = le_dom_ef.type_elem();
  normales = 0.;
  for (int num_face = 0; num_face < nb_faces_tot; num_face++)
    type_elem.normale(num_face, normales, le_dom_ef.face_sommets(),
                      le_dom_ef.face_voisins(), le_dom_ef.elem_faces(), dom);
 
  le_dom_ef.calculer_volumes_entrelaces();
  le_dom_ef.calculer_volumes_sommets(pb.equation(0).domaine_Cl_dis());
  le_dom_ef.calculer_h_carre();
  le_dom_ef.calculer_Bij();
}
 
 
void ALE_MetricsUpdater::update_PolyMAC(Probleme_base& pb, Domaine_ALE& dom)
{
  Domaine_Poly_base& le_dom_poly = ref_cast(Domaine_Poly_base, pb.domaine_dis());
  le_dom_poly.fill_normales();
  le_dom_poly.volumes_entrelaces() = 0;
  le_dom_poly.calculer_volumes_entrelaces();
  update_face_surfaces_from_normal_vectors(dom);
  le_dom_poly.recalculer_xv();
}
 
 
void ALE_MetricsUpdater::update_face_surfaces_from_normal_vectors(Domaine_ALE& dom)
{
  // Recompute scalar face surfaces as ||face_normales||.
  Domaine_VF& le_dom_VF = ref_cast(Domaine_VF, dom.getEquation().probleme().domaine_dis());
  const int nf_tot = le_dom_VF.nb_faces_tot();
  int dimension=Objet_U::dimension;
  DoubleVect fs(nf_tot);
  for (int i = 0; i < nf_tot; i++)
    {
      double surf = 0.;
      for (int k = 0; k < dimension; k++)
        surf += le_dom_VF.face_normales(i, k) * le_dom_VF.face_normales(i, k);
      fs(i) = sqrt(surf);
    }
  le_dom_VF.calculer_face_surfaces(fs);
}