PolyMAC_HFV_discretisation.cpp

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#include <Champ_Fonc_Tabule_Elem_PolyMAC_CDO.h>
#include <PolyMAC_HFV_discretisation.h>
#include <Op_Diff_PolyMAC_HFV_base.h>
#include <Champ_Fonc_Elem_PolyMAC_CDO.h>
#include <Domaine_PolyMAC_HFV.h>
#include <Domaine_Cl_PolyMAC_family.h>
#include <Schema_Temps_base.h>
#include <Champ_Fonc_Tabule.h>
#include <Champ_Uniforme.h>
#include <Equation_base.h>
#include <DescStructure.h>
#include <Milieu_base.h>
#include <Operateur.h>
#include <Motcle.h>
 
Implemente_instanciable(PolyMAC_HFV_discretisation, "PolyMAC_HFV|PolyMAC_P0P1NC", PolyMAC_CDO_discretisation);
// XD PolyMAC_HFV discretisation_base PolyMAC_P0P1NC INHERITS_BRACE PolyMAC_HFV discretization (previously PolyMAC_CDO
// XD_CONT discretization compatible with pb_multi).
 
Entree& PolyMAC_HFV_discretisation::readOn(Entree& s) { return s; }
 
Sortie& PolyMAC_HFV_discretisation::printOn(Sortie& s) const { return s; }
 
/*! @brief Discretisation d'un champ pour le PolyMAC_HFV en fonction d'une directive de discretisation.
 *
 * La directive est un Motcle comme "vitesse", "pression",
 *  "temperature", "champ_elem" (cree un champ de type P0), ...
 *  Cette methode determine le type du champ a creer en fonction du type d'element
 *  et de la directive de discretisation. Elle determine ensuite le nombre de ddl
 *  et fixe l'ensemble des parametres du champ (type, nb_compo, nb_ddl, nb_pas_dt,
 *  nom(s), unite(s) et nature du champ) et associe le Domaine_dis au champ.
 *  Voir le code pour avoir la correspondance entre les directives et
 *  le type de champ cree.
 *
 */
void PolyMAC_HFV_discretisation::discretiser_champ(const Motcle& directive, const Domaine_dis_base& z, Nature_du_champ nature, const Noms& noms, const Noms& unites, int nb_comp, int nb_pas_dt,
                                                   double temps, OWN_PTR(Champ_Inc_base) &champ, const Nom& sous_type) const
{
  const Domaine_PolyMAC_HFV& domaine_PolyMAC_HFV = ref_cast(Domaine_PolyMAC_HFV, z);
 
  Motcles motcles(7);
  motcles[0] = "vitesse";     // Choix standard pour la vitesse
  motcles[1] = "pression";    // Choix standard pour la pression
  motcles[2] = "temperature"; // Choix standard pour la temperature
  motcles[3] = "divergence_vitesse"; // Le type de champ obtenu en calculant div v
  motcles[4] = "gradient_pression";  // Le type de champ obtenu en calculant grad P
  motcles[5] = "champ_elem";    // Creer un champ aux elements (de type P0)
  motcles[6] = "champ_sommets"; // Creer un champ aux sommets (type P1)
 
  // Le type de champ de vitesse depend du type d'element :
  int zp1 = false, default_nb_comp = 0, rang = motcles.search(directive);
  Nom type_elem = Nom("Champ_Elem_") + que_suis_je(), type_som = "Champ_Som_PolyMAC_HFV", type_champ_scal = zp1 ? type_som : type_elem, type_champ_vitesse =
                                                                                                              zp1 ? "Champ_Arete_PolyMAC_HFV" : Nom("Champ_Face_") + que_suis_je(), type;
  switch(rang)
    {
    case 0:
    case 4:
      type = type_champ_vitesse;
      default_nb_comp = 3;
      break;
    case 1:
    case 2:
    case 3:
      type = type_champ_scal;
      default_nb_comp = 1;
      break;
    case 5:
      type = type_elem;
      default_nb_comp = 1;
      break;
    case 6:
      type = type_som;
      default_nb_comp = 1;
      break;
    default:
      assert(rang < 0);
      break;
    }
 
  if (directive == DEMANDE_DESCRIPTION)
    Cerr << "PolyMAC_HFV_discretisation : " << motcles;
 
  if (sous_type != NOM_VIDE)
    rang = verifie_sous_type(type, sous_type, directive);
 
  // Si on n'a pas compris la directive (ou si c'est une demande_description)
  // alors on appelle l'ancetre :
  if (rang < 0)
    {
      Discret_Thyd::discretiser_champ(directive, z, nature, noms, unites, nb_comp, nb_pas_dt, temps, champ);
      return;
    }
 
  // Calcul du nombre de ddl
  int nb_ddl = 0;
  if (type.debute_par(type_elem))
    nb_ddl = z.nb_elem();
  else if (type.debute_par(type_som))
    nb_ddl = domaine_PolyMAC_HFV.nb_som();
  else if (type.debute_par(type_champ_vitesse))
    nb_ddl = zp1 ? domaine_PolyMAC_HFV.domaine().nb_aretes() : domaine_PolyMAC_HFV.nb_faces();
  else
    assert(0);
 
  if (nb_comp < 0)
    nb_comp = default_nb_comp;
  assert(nb_comp > 0);
  creer_champ(champ, z, type, noms[0], unites[0], nb_comp, nb_ddl, nb_pas_dt, temps, directive, que_suis_je());
  if (nature == multi_scalaire)
    {
      champ->fixer_nature_du_champ(nature);
      champ->fixer_unites(unites);
      champ->fixer_noms_compo(noms);
    }
}
 
/*! @brief Idem que PolyMAC_HFV_discretisation::discretiser_champ(.
 *
 * .. , Champ_Inc) Traitement commun aux champ_fonc et champ_don.
 *  Cette methode est privee (passage d'un Objet_U pas propre vu
 *  de l'exterieur ...)
 *
 */
void PolyMAC_HFV_discretisation::discretiser_champ_fonc_don(const Motcle& directive, const Domaine_dis_base& z, Nature_du_champ nature, const Noms& noms, const Noms& unites, int nb_comp,
                                                            double temps, Objet_U& champ) const
{
  // Deux pointeurs pour acceder facilement au champ_don ou au champ_fonc, suivant le type de l'objet champ.
  OWN_PTR(Champ_Fonc_base) *champ_fonc = dynamic_cast<OWN_PTR(Champ_Fonc_base)*>(&champ);
  OWN_PTR(Champ_Don_base) *champ_don = dynamic_cast<OWN_PTR(Champ_Don_base)*>(&champ);
 
  const Domaine_PolyMAC_HFV& domaine_PolyMAC_HFV = ref_cast(Domaine_PolyMAC_HFV, z);
 
  Motcles motcles(8);
  motcles[0] = "pression";    // Choix standard pour la pression
  motcles[1] = "temperature"; // Choix standard pour la temperature
  motcles[2] = "divergence_vitesse"; // Le type de champ obtenu en calculant div v
  motcles[3] = "champ_elem";  // Creer un champ aux elements (de type P0)
  motcles[4] = "vitesse";     // Choix standard pour la vitesse
  motcles[5] = "gradient_pression";  // Le type de champ obtenu en calculant grad P
  motcles[6] = "champ_sommets";  // Creer un champ aux elements (de type P1)
  motcles[7] = "champ_face";     // Choix standard pour la vitesse
 
  // Le type de champ de vitesse depend du type d'element :
  int zp1 = false, default_nb_comp = 0, rang = motcles.search(directive);
  Nom type_elem("Champ_Fonc_Elem_PolyMAC_CDO"), type_som("Champ_Fonc_Som_PolyMAC_CDO"), type_scal = zp1 ? type_som : type_elem, type_champ_vitesse(
                                                                                                      zp1 ? "Champ_Fonc_Arete_PolyMAC_HFV" : "Champ_Fonc_Face_PolyMAC_CDO"), type;
  switch(rang)
    {
    case 0:
    case 1:
    case 2:
      type = type_scal;
      default_nb_comp = 1;
      break;
    case 4:
    case 5:
      type = type_champ_vitesse;
      default_nb_comp = 3;
      break;
    case 3:
      type = type_elem;
      default_nb_comp = 1;
      break;
    case 6:
      type = type_som;
      default_nb_comp = 1;
      break;
    case 7:
      type = "Champ_Fonc_Face_PolyMAC_CDO";
      default_nb_comp = 3;
      break;
    default:
      assert(rang < 0);
      break;
    }
 
  if (directive == DEMANDE_DESCRIPTION)
    Cerr << "PolyMAC_HFV_discretisation : " << motcles;
 
  // Si on n'a pas compris la directive (ou si c'est une demande_description)
  // alors on appelle l'ancetre :
  if (rang < 0)
    {
      if (champ_fonc)
        Discret_Thyd::discretiser_champ(directive, z, nature, noms, unites, nb_comp, temps, *champ_fonc);
      else
        Discret_Thyd::discretiser_champ(directive, z, nature, noms, unites, nb_comp, temps, *champ_don);
      return;
    }
 
  // Calcul du nombre de ddl
  int nb_ddl = 0;
  if (type == "Champ_Fonc_Elem_PolyMAC_CDO")
    nb_ddl = z.nb_elem();
  else if (type == "Champ_Fonc_Face_PolyMAC_CDO")
    nb_ddl = domaine_PolyMAC_HFV.nb_faces();
  else if (type == "Champ_Fonc_Som_PolyMAC_CDO")
    nb_ddl = domaine_PolyMAC_HFV.nb_som();
  else if (type == "Champ_Fonc_Arete_PolyMAC_HFV")
    nb_ddl = domaine_PolyMAC_HFV.domaine().nb_aretes();
  else
    assert(0);
 
  // Si c'est un champ multiscalaire, uh !
  if (nb_comp < 0)
    nb_comp = default_nb_comp;
  if (champ_fonc)
    creer_champ(*champ_fonc, z, type, noms[0], unites[0], nb_comp, nb_ddl, temps, directive, que_suis_je());
  else
    creer_champ(*champ_don, z, type, noms[0], unites[0], nb_comp, nb_ddl, temps, directive, que_suis_je());
  if ((nature == multi_scalaire) && (champ_fonc))
    {
      champ_fonc->valeur().fixer_nature_du_champ(nature);
      champ_fonc->valeur().fixer_unites(unites);
      champ_fonc->valeur().fixer_noms_compo(noms);
    }
  else if ((nature == multi_scalaire) && (champ_don))
    {
      Cerr << "There is no field of type OWN_PTR(Champ_Don_base) with a multi_scalaire nature." << finl;
      exit();
    }
}
 
void PolyMAC_HFV_discretisation::y_plus(const Domaine_dis_base& z, const Domaine_Cl_dis_base& zcl, const Champ_Inc_base& ch_vitesse, OWN_PTR(Champ_Fonc_base) &ch) const
{
  Cerr << "Discretisation de y plus" << finl; // Utilise comme modele distance paroi globale
  Noms noms(1), unites(1);
  noms[0] = Nom("y_plus");
  unites[0] = Nom("adimensionnel");
  discretiser_champ(Motcle("champ_elem"), z, scalaire, noms, unites, 1, 0, ch);
  DoubleTab& tab_y_p = ch->valeurs();
  for (int i = 0; i < tab_y_p.dimension_tot(0); i++)
    for (int n = 0; n < tab_y_p.dimension_tot(1); n++)
      tab_y_p(i, n) = -1.;
}
 
void PolyMAC_HFV_discretisation::grad_u(const Domaine_dis_base& z, const Domaine_Cl_dis_base& zcl, const Champ_Inc_base& ch_vitesse, OWN_PTR(Champ_Fonc_base) &ch) const
{
  abort();
}
 
Nom PolyMAC_HFV_discretisation::get_name_of_type_for(const Nom& class_operateur, const Nom& type_operateur, const Equation_base& eqn, const OBS_PTR(Champ_base) &champ_sup) const
{
  Nom type;
  Nom type_ch = eqn.inconnue().que_suis_je();
  if (type_ch.debute_par("Champ_Elem"))
    type_ch = "_Elem";
  else if (type_ch.debute_par("Champ_Som"))
    type_ch = "_Som";
  else if (type_ch.debute_par("Champ_Face"))
    type_ch = "_Face";
  else if (type_ch.debute_par("Champ_Arete"))
    type_ch = "_Arete";
 
  if (class_operateur == "Source")
    type = type_operateur + type_ch + "_" + que_suis_je();
  else if (class_operateur == "Solveur_Masse")
    type = Nom("Masse_") + que_suis_je() + type_ch;
  else if (class_operateur == "Operateur_Grad")
    type = Nom("Op_Grad_") + que_suis_je() + "_Face";
  else if (class_operateur == "Operateur_Div")
    type = Nom("Op_Div_") + que_suis_je();
  else if (class_operateur == "Operateur_Diff")
    type = Nom("Op_Diff") + (type_operateur != "" ? "_" : "") + type_operateur + "_" + que_suis_je() + type_ch;
  else if (class_operateur == "Operateur_Conv")
    type = Nom("Op_Conv_") + type_operateur + "_" + que_suis_je() + type_ch;
  else if (class_operateur == "Operateur_Evanescence")
    type = Nom("Op_Evanescence") + (type_operateur != "" ? "_" : "") + type_operateur + "_" + que_suis_je() + type_ch;
  else
    return Discret_Thyd::get_name_of_type_for(class_operateur, type_operateur, eqn);
 
  return type;
}
 
void PolyMAC_HFV_discretisation::residu(const Domaine_dis_base& z, const Champ_Inc_base& ch_inco, OWN_PTR(Champ_Fonc_base) &champ) const
{
  Nom ch_name(ch_inco.le_nom());
  ch_name += "_residu";
  Cerr << "Discretization of " << ch_name << finl;
 
  Nom type_ch = ch_inco.que_suis_je();
  if (type_ch.debute_par("Champ_Face"))
    {
      Motcle loc = "champ_face";
      Noms nom(1), unites(1);
      nom[0] = ch_name;
      unites[0] = "units_not_defined";
      int nb_comp = ch_inco.valeurs().line_size() * dimension;
      discretiser_champ(loc, z, vectoriel, nom, unites, nb_comp, ch_inco.temps(), champ);
    }
  else
    {
      Motcle loc = "champ_elem";
      Noms nom(1), unites(1);
      nom[0] = ch_name;
      unites[0] = "units_not_defined";
      int nb_comp = ch_inco.valeurs().line_size();
      discretiser_champ(loc, z, scalaire, nom, unites, nb_comp, ch_inco.temps(), champ);
    }
 
  Champ_Fonc_base& ch_fonc = ref_cast(Champ_Fonc_base, champ.valeur());
  DoubleTab& tab = ch_fonc.valeurs();
  tab = -10000.0;
  Cerr << "[Information] Discretisation_base::residu : the residue is set to -10000.0 at initial time" << finl;
}