Champ_Generique_Gradient.cpp

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#include <Champ_Generique_Gradient.h>
#include <Domaine_VF.h>
#include <Champ_Generique_refChamp.h>
#include <Discretisation_base.h>
#include <Synonyme_info.h>
 
Implemente_instanciable(Champ_Generique_Gradient,"Gradient",Champ_Generique_Operateur_base);
// XD gradient champ_post_operateur_base gradient INHERITS_BRACE To calculate gradient of a given field.
 
Add_synonym(Champ_Generique_Gradient,"Champ_Post_Operateur_Gradient");
 
Sortie& Champ_Generique_Gradient::printOn(Sortie& s ) const
{
  return s << que_suis_je() << " " << le_nom();
}
 
Entree& Champ_Generique_Gradient::readOn(Entree& s )
{
  Champ_Generique_Operateur_base::readOn(s);
  return s ;
}
 
void Champ_Generique_Gradient::completer(const Postraitement_base& post)
{
  Champ_Gen_de_Champs_Gen::completer(post);
  const Probleme_base& Pb = get_ref_pb_base();
  if (sub_type(Champ_Generique_refChamp,get_source(0)))
    {
 
      OWN_PTR(Champ_base) espace_stockage;
      const Champ_base& mon_champ = get_source(0).get_champ(espace_stockage);
      if (sub_type(Champ_Inc_base,mon_champ))
        {
          const Champ_Inc_base& mon_champ_inc = ref_cast(Champ_Inc_base,mon_champ);
 
          if ( (mon_champ_inc.le_nom()=="pression") || ((mon_champ_inc.le_nom()!="vitesse") && (mon_champ_inc.que_suis_je()=="Champ_P1NC"))
               || ((mon_champ_inc.le_nom()!="vitesse") && (mon_champ_inc.que_suis_je()=="Champ_P0_VDF")) )
            {
 
              //We retrieve the equation even though it is not yet associated with Champ_Inc
              //We iterate over the equations of the problem and identify the one corresponding to the unknown field
 
              int nb_eq = Pb.nombre_d_equations();
              int i=0;
 
              while (i<nb_eq)
                {
                  const Equation_base& eq_test = Pb.equation(i);
                  if ((eq_test.inconnue().le_nom() == mon_champ_inc.le_nom()) || ((i==0) && (mon_champ_inc.le_nom()=="pression") &&
                                                                                  (eq_test.le_nom()!="Conduction")))
                    break;
                  i++;
                }
              const Equation_base& eqn = Pb.equation(i);
 
              Op_Grad_.associer_eqn(eqn);
              Op_Grad_.typer();
              Op_Grad_.l_op_base().associer_eqn(eqn);
 
              const Domaine_dis_base& zdis = eqn.domaine_dis();
              const Domaine_Cl_dis_base& zcl = eqn.domaine_Cl_dis();
              const Champ_Inc_base& inco = eqn.inconnue();
              Op_Grad_->associer(zdis, zcl, inco);
            }
          else
            {
              Cerr<<"We can apply a Champ_Generique_Gradient only to the pressure field"<<finl;
              Cerr<<"or to a field of type Champ_P1NC or Champ_P0_VDF at one component"<<finl;
              exit();
            }
        }
      else
        {
          Cerr<<"We can apply a Champ_Generique_Gradient only to an unknown field of the problem"<<finl;
          exit();
        }
    }
}
 
const Champ_base& Champ_Generique_Gradient::get_champ_without_evaluation(OWN_PTR(Champ_base)& espace_stockage) const
{
 
  if (Op_Grad_)
    {
      OWN_PTR(Champ_Fonc_base)  es_tmp;
      espace_stockage = creer_espace_stockage(vectoriel,dimension,es_tmp);
 
    }
  else
    {
      //const Noms nom = get_source(0).get_property("nom");
      Cerr<<"We can apply a Champ_Generique_Gradient only to the pressure field"<<finl;
      Cerr<<"or to a field of type Champ_P1NC or Champ_P0_VDF at one component"<<finl;
      exit();
    }
  return espace_stockage;
}
const Champ_base& Champ_Generique_Gradient::get_champ(OWN_PTR(Champ_base)& espace_stockage) const
{
  OWN_PTR(Champ_base) source_espace_stockage;
  const Champ_base& source = get_source(0).get_champ(source_espace_stockage);
 
  if (Op_Grad_)
    {
      OWN_PTR(Champ_Fonc_base)  es_tmp;
      espace_stockage = creer_espace_stockage(vectoriel,dimension,es_tmp);
 
      Op_Grad_.calculer(source.valeurs(),espace_stockage->valeurs());
 
      Nom type_op = Op_Grad_->que_suis_je();
      if ((type_op!="Op_Grad_P1NC_to_P0") && (type_op!="Op_Grad_P0_to_Face"))
        Op_Grad_.equation().solv_masse().appliquer(espace_stockage->valeurs());
    }
  else
    {
      const Noms nom = get_source(0).get_property("nom");
      Cerr<<"We can apply a Champ_Generique_Gradient only to the pressure field"<<finl;
      Cerr<<"or to a field of type Champ_P1NC or Champ_P0_VDF at one component"<<finl;
      Cerr<<"The space of storage of field treated here "<<nom[0]<<" is of type"<<source.que_suis_je()<<finl;
      exit();
    }
 
  DoubleTab& espace_valeurs = espace_stockage->valeurs();
  espace_valeurs.echange_espace_virtuel();
  return espace_stockage;
}
 
const Noms Champ_Generique_Gradient::get_property(const Motcle& query) const
{
 
  //Component creation should be done dynamically (Gradient_...)
 
  Motcles motcles(2);
  motcles[0] = "composantes";
  motcles[1] = "unites";
 
  int rang = motcles.search(query);
  switch(rang)
    {
    case 0:
      {
        //Currently the choice is simply to add the component number
        /*
          const Noms compo_cibles = get_source(0).get_property("composantes");
          ///int size = compo_cibles.size();
          ///const Noms nom = get_source(0).get_property("nom");
          ///Nom nom_champ = nom[0];
          Nom nom_champ = "pression";
 
          //Valid if Champ_Fonc_P1NC
          Noms mots(dimension);
          Nom compo_temp="gradient_";
 
          for (int i=0; i<dimension; i++) {
          if (i==0) {
          mots[i] = compo_temp+nom_champ +"X";
          }
          else if (i==1) {
          mots[i] = compo_temp+nom_champ +"Y";;
          }
          else if (i==2) {
          mots[i] = compo_temp+nom_champ +"Z";
          }
          }
 
          return mots;
          break;
        */
 
        int nb_comp = dimension;
        Noms compo(nb_comp);
        for (int i=0; i<nb_comp; i++)
          {
            Nom nume(i);
            compo[i] = nom_post_+nume;
          }
 
        return compo;
      }
 
    case 1:
      {
        Noms unites(dimension);
        Noms source_unites = get_source(0).get_property("unites");
 
        for (int i=0; i<dimension; i++)
          {
            unites[i] = source_unites[0]+"/m";
          }
 
        return unites;
      }
    }
 
  return Champ_Gen_de_Champs_Gen::get_property(query);
}
 
Entity Champ_Generique_Gradient::get_localisation(const int index) const
{
  Entity loc;
  Nom type_op = Op_Grad_->que_suis_je();
  if ((type_op=="Op_Grad_P1NC_to_P0") && (index <= 0))
    loc = Entity::ELEMENT;
  else if ((type_op=="Op_Grad_P0_to_Face") && (index <= 0))
    loc=Entity::FACE;
  else
    {
      Cerr << "Error of type : Gradient operator " << type_op << " is not possible for the defined field " << nom_post_ << finl;
      throw Champ_Generique_erreur("INVALID");
    }
  return loc;
}
//Name the field as a source by default
//"Gradient_" + nom_champ_source
void Champ_Generique_Gradient::nommer_source()
{
  if (nom_post_=="??")
    {
      Nom nom_post_source, nom_champ_source;
      const Noms nom = get_source(0).get_property("nom");
      nom_champ_source = nom[0];
      nom_post_source =  "Gradient_";
      nom_post_source +=  nom_champ_source;
      nommer(nom_post_source);
    }
}
 
const Motcle Champ_Generique_Gradient::get_directive_pour_discr() const
{
  Motcle directive;
 
  Nom type_op = Op_Grad_->que_suis_je();
  if (type_op=="Op_Grad_P1NC_to_P0")
    directive = "champ_elem";
  else
    directive = "gradient_pression";
 
  return directive;
}