champ_init_canal_sinal.cpp

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#include <champ_init_canal_sinal.h>
#include <Motcle.h>
 
Implemente_instanciable(champ_init_canal_sinal,"champ_init_canal_sinal",TRUSTChamp_Divers_generique<Champ_Divers_Type::CANAL>);
// XD champ_init_canal_sinal champ_don_base champ_init_canal_sinal NO_BRACE For a parabolic profile on U velocity with
// XD_CONT an unpredictable disturbance on V and W and a sinusoidal disturbance on V velocity.
// XD attr dim entier dim REQ Number of field components.
// XD attr bloc bloc_lec_champ_init_canal_sinal bloc REQ Parameters for the class champ_init_canal_sinal.
 
// XD bloc_lec_champ_init_canal_sinal objet_lecture nul BRACE Parameters for the class champ_init_canal_sinal. NL2 in
// XD_CONT 2D: NL2 U=ucent*y(2h-y)/h/h NL2 V=ampli_bruit*rand+ampli_sin*sin(omega*x) NL2 rand: unpredictable value
// XD_CONT between -1 and 1. NL2 in 3D: NL2 U=ucent*y(2h-y)/h/h NL2 V=ampli_bruit*rand1+ampli_sin*sin(omega*x) NL2
// XD_CONT W=ampli_bruit*rand2 NL2 rand1 and rand2: unpredictables values between -1 and 1.
// XD attr ucent floattant ucent REQ Velocity value at the center of the channel.
// XD attr h floattant h REQ Half hength of the channel.
// XD attr ampli_bruit floattant ampli_bruit REQ Amplitude for the disturbance.
// XD attr ampli_sin floattant ampli_sin OPT Amplitude for the sinusoidal disturbance (by default equals to ucent/10).
// XD attr omega floattant omega REQ Value of pulsation for the of the sinusoidal disturbance.
// XD attr dir_flow entier(into=[0,1,2]) dir_flow OPT Flow direction for the initialization of the flow in a channel.
// XD_CONT NL2 - if dir_flow=0, the flow direction is X NL2 - if dir_flow=1, the flow direction is Y NL2 - if
// XD_CONT dir_flow=2, the flow direction is Z NL2 Default value for dir_flow is 0
// XD attr dir_wall entier(into=[0,1,2]) dir_wall OPT Wall direction for the initialization of the flow in a channel.
// XD_CONT NL2 - if dir_wall=0, the normal to the wall is in X direction NL2 - if dir_wall=1, the normal to the wall is
// XD_CONT in Y direction NL2 - if dir_wall=2, the normal to the wall is in Z direction NL2 Default value for dir_flow
// XD_CONT is 1
// XD attr min_dir_flow floattant min_dir_flow OPT Value of the minimum coordinate in the flow direction for the
// XD_CONT initialization of the flow in a channel. Default value for dir_flow is 0.
// XD attr min_dir_wall floattant min_dir_wall OPT Value of the minimum coordinate in the wall direction for the
// XD_CONT initialization of the flow in a channel. Default value for dir_flow is 0.
 
Sortie& champ_init_canal_sinal::printOn(Sortie& os) const { return os; }
 
Entree& champ_init_canal_sinal::readOn(Entree& is)
{
  int dim = lire_dimension(is, que_suis_je());
  dimensionner(1, dim);
  if (abs(dim) > 3)
    {
      Cerr << "Problem while reading the dimension of field champ_init_canal_sinal" << finl;
      Cerr << "Check that it was correctly indicated : dim = " << dim << finl;
      Process::exit();
    }
 
  ArrOfInt Verif(9);
  Verif[3] = 1;
  Verif[5] = 1;
  Verif[6] = 1;
  Verif[7] = 1;
  Verif[8] = 1;
  Motcles les_mots(9);
  Motcle mot_lu;
  {
    les_mots[0] = "Ucent";
    les_mots[1] = "h";
    les_mots[2] = "ampli_bruit";
    les_mots[3] = "ampli_sin";
    les_mots[4] = "omega";
    les_mots[5] = "dir_flow";
    les_mots[6] = "dir_wall";
    les_mots[7] = "min_dir_flow";
    les_mots[8] = "min_dir_wall";
  }
  Motcle acc_ouverte("{");
  Motcle acc_fermee("}");
  is >> mot_lu;
  if (mot_lu != acc_ouverte)
    {
      Cerr << "Expecting a { instead of " << mot_lu << "while reading intial condition" << finl;
    }
  is >> mot_lu;
  while (mot_lu != acc_fermee)
    {
      int rang = les_mots.search(mot_lu);
      switch(rang)
        {
        case 0:
          is >> Ucent;
          Cerr << "Centerline Longitudinal Velocity = " << Ucent << finl;
          // valeur par defaut de ampli_sin = Ucent/10.
          ampli_sin = Ucent / 10.;
          Verif[0] = 1;
          break;
        case 1:
          is >> h;
          Cerr << "Channel Half-height = " << h << finl;
          Verif[1] = 1;
          break;
        case 2:
          is >> ampli_bruit;
          Cerr << "Noise Amplitude = " << ampli_bruit << finl;
          Verif[2] = 1;
          break;
        case 3:
          is >> ampli_sin;
          Cerr << "Sine Perturbation Amplitude = " << ampli_sin << finl;
          Verif[3] = 1;
          break;
        case 4:
          is >> omega;
          Cerr << "Omega = " << omega << finl;
          Verif[4] = 1;
          break;
        case 5:
          is >> dir_flow;
          Cerr << "Flow direction : " << dir_flow << finl;
          Verif[5] = 1;
          break;
        case 6:
          is >> dir_wall;
          Cerr << "The specified Wall direction : " << dir_wall << finl;
          Verif[6] = 1;
          break;
        case 7:
          is >> min_dir_flow;
          Cerr << "Minimum value position in flow direction : " << min_dir_flow << finl;
          Verif[7] = 1;
          break;
        case 8:
          is >> min_dir_wall;
          Cerr << "Minimum value position in wall direction : " << min_dir_wall << finl;
          Verif[8] = 1;
          break;
        default:
          {
            Cerr << "Error in champ_init_canal_sinal::readOn " << finl;
            Cerr << mot_lu << " is not understood by velocity initial condition generation." << finl;
            Cerr << "The understood keywords are : " << les_mots << finl;
            Process::exit();
          }
        }
      is >> mot_lu;
    }
 
  if (dir_flow == dir_wall)
    {
      Cerr << "Error in champ_init_canal_sinal::readOn " << finl;
      Cerr << "You gave the same direction for a wall and the flow direction : Impossible !" << finl;
      Process::exit();
    }
 
  if ((dir_wall > 2) || (dir_flow > 2))
    {
      Cerr << "Error in champ_init_canal_sinal::readOn " << finl;
      Cerr << "One of the specified directions are not possible." << finl;
      Cerr << "Use : 0 for X, 1 for Y and 2 for Z !" << finl;
      Process::exit();
    }
 
  int valmin = min_array(Verif);
  if (valmin == 0)
    {
      for (int i = 0; i < 5; i++)
        if (Verif[i] == 0) Cerr << "You didn't give a value for " << les_mots[i] << finl;
 
      Cerr << "Error in champ_init_canal_sinal::readOn " << finl;
      Cerr << "User needs to specify values for the parameters below.";
      Cerr << "The syntax is : Ucent val_Ucent   h val_h   ampli_bruit val_ampli_bruit [ampli_sin val_ampli_sin] omega val_omega" << finl;
      Cerr << "dir_flow val_dir_flow   dir_wall val_dir_wall" << finl;
      Process::exit();
    }
 
  return is;
}
 
DoubleVect& champ_init_canal_sinal::valeur_a(const DoubleVect& positions, DoubleVect& tab_valeurs) const
{
  Cerr << "values = " << tab_valeurs << finl;
  Cerr << "In champ_init_canal_sinal::valeur_a nb_compo_=" << nb_compo_ << finl;
  tab_valeurs.resize(nb_compo_);
  switch(dimension)
    {
    case (1):
      {
        assert(nb_compo_ == 1);
        tab_valeurs(dir_flow) = fx(positions(dir_flow));
        break;
      }
    case (2):
      {
        assert(nb_compo_ <= 2);
        tab_valeurs(dir_flow) = fx(positions(dir_flow), positions(dir_wall));
        if (nb_compo_ == 2) tab_valeurs(dir_wall) = fy(positions(dir_flow), positions(dir_wall));
        break;
      }
    case (3):
      {
        assert(nb_compo_ <= 3);
        tab_valeurs(dir_flow) = fx(positions(dir_flow), positions(dir_wall), positions(3 - dir_flow - dir_wall));
        if (nb_compo_ >= 2) tab_valeurs(dir_wall) = fy(positions(dir_flow), positions(dir_wall), positions(3 - dir_flow - dir_wall));
        if (nb_compo_ >= 3) tab_valeurs(3 - dir_flow - dir_wall) = fz(positions(dir_flow), positions(dir_wall), positions(3 - dir_flow - dir_wall));
        break;
      }
    }
  return tab_valeurs;
}
 
double champ_init_canal_sinal::valeur_a_elem_compo(const DoubleVect& positions, int, int ncomp) const
{
  double val = 0.;
  switch(dimension)
    {
    case (1):
      val = fx(positions(dir_flow));
      break;
    case (2):
      {
        if (ncomp == 1 + dir_flow) val = fx(positions(dir_flow), positions(dir_wall));
        else val = fy(positions(dir_flow), positions(dir_wall));
      }
      break;
    case (3):
      {
        if (ncomp == 1 + dir_flow) val = fx(positions(dir_flow), positions(dir_wall), positions(3 - dir_flow - dir_wall));
        else if (ncomp == 1 + dir_wall) val = fy(positions(dir_flow), positions(dir_wall), positions(3 - dir_flow - dir_wall));
        else val = fz(positions(dir_flow), positions(dir_wall), positions(3 - dir_flow - dir_wall));
      }
      break;
    default:
      val = -1;
      Process::exit();
      break;
    }
  return val;
}
 
DoubleTab& champ_init_canal_sinal::valeur_aux(const DoubleTab& positions, DoubleTab& tab_valeurs) const
{
  assert(tab_valeurs.size_totale() == dimension * positions.dimension(0));
  int i;
  switch(dimension)
    {
    case (1):
      {
        assert(nb_compo_ == 1);
        for (i = 0; i < tab_valeurs.dimension(0); i++)
          tab_valeurs(i, dir_flow) = fx(positions(i, dir_flow));
        break;
      }
    case (2):
      {
        assert(nb_compo_ <= 2);
        for (i = 0; i < tab_valeurs.dimension(0); i++)
          {
            tab_valeurs(i, dir_flow) = fx(positions(i, dir_flow), positions(i, dir_wall));
            if (nb_compo_ == 2) tab_valeurs(i, dir_wall) = fy(positions(i, dir_flow), positions(i, dir_wall));
          }
        break;
      }
    case (3):
      {
        assert(nb_compo_ <= 3);
        for (i = 0; i < tab_valeurs.dimension(0); i++)
          {
            tab_valeurs(i, dir_flow) = fx(positions(i, dir_flow), positions(i, dir_wall), positions(i, 3 - dir_flow - dir_wall));
            if (nb_compo_ >= 2) tab_valeurs(i, dir_wall) = fy(positions(i, dir_flow), positions(i, dir_wall), positions(i, 3 - dir_flow - dir_wall));
            if (nb_compo_ >= 3) tab_valeurs(i, 3 - dir_flow - dir_wall) = fz(positions(i, dir_flow), positions(i, dir_wall), positions(i, 3 - dir_flow - dir_wall));
          }
        break;
      }
    }
  return tab_valeurs;
}
 
DoubleVect& champ_init_canal_sinal::valeur_aux_compo(const DoubleTab& positions, DoubleVect& tab_valeurs, int ncomp) const
{
  int nb_pos = positions.dimension(0);
  tab_valeurs.resize(nb_pos);
  assert(ncomp < 3);
  int i;
  switch(dimension)
    {
    case 1:
      {
        for (i = 0; i < nb_pos; i++)
          tab_valeurs(i) = fx(positions(i, dir_flow));
        break;
      }
    case 2:
      {
        if (ncomp == dir_flow)
          for (i = 0; i < nb_pos; i++)
            tab_valeurs(i) = fx(positions(i, dir_flow), positions(i, dir_wall));
        else
          for (i = 0; i < nb_pos; i++)
            tab_valeurs(i) = fy(positions(i, dir_flow), positions(i, dir_wall));
        break;
      }
    case 3:
      {
        if (ncomp == dir_flow)
          for (i = 0; i < nb_pos; i++)
            tab_valeurs(i) = fx(positions(i, dir_flow), positions(i, dir_wall), positions(i, 3 - dir_flow - dir_wall));
        else if (ncomp == dir_wall)
          for (i = 0; i < nb_pos; i++)
            tab_valeurs(i) = fy(positions(i, dir_flow), positions(i, dir_wall), positions(i, 3 - dir_flow - dir_wall));
        else
          for (i = 0; i < nb_pos; i++)
            tab_valeurs(i) = fz(positions(i, dir_flow), positions(i, dir_wall), positions(i, 3 - dir_flow - dir_wall));
        break;
      }
    }
  return tab_valeurs;
}