Perte_Charge_PolyMAC_CDO.cpp

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#include <Fluide_Incompressible.h>
#include <Perte_Charge_PolyMAC_CDO.h>
#include <Champ_Face_PolyMAC_CDO.h>
#include <Domaine_PolyMAC_MPFA.h>
#include <Domaine_Cl_PolyMAC_family.h>
#include <Schema_Temps_base.h>
#include <Champ_Uniforme.h>
#include <Equation_base.h>
#include <Probleme_base.h>
#include <Sous_Domaine.h>
#include <Param.h>
 
Implemente_base(Perte_Charge_PolyMAC_CDO, "Perte_Charge_PolyMAC_CDO", Perte_Charge_Gen);
 
Sortie& Perte_Charge_PolyMAC_CDO::printOn(Sortie& s) const { return s << que_suis_je() << finl; }
 
Entree& Perte_Charge_PolyMAC_CDO::readOn(Entree& is) { return Perte_Charge_Gen::readOn(is); }
 
DoubleTab& Perte_Charge_PolyMAC_CDO::ajouter(DoubleTab& resu) const
{
  if (has_interface_blocs()) return Source_base::ajouter(resu); // for derived classes
 
  const Domaine_PolyMAC_CDO& domaine = le_dom_poly();
  const Champ_Face_PolyMAC_CDO& ch = ref_cast(Champ_Face_PolyMAC_CDO, equation().inconnue());
  const Champ_Don_base& nu = le_fluide->viscosite_cinematique(), &dh = diam_hydr;
  const DoubleTab& xp = domaine.xp(), &xv = domaine.xv(), &vit = la_vitesse->valeurs();
  const DoubleVect& pe = equation().milieu().porosite_elem(), &pf = equation().milieu().porosite_face(), &fs = domaine.face_surfaces();
  const Sous_Domaine *pssz = sous_domaine ? &le_sous_domaine.valeur() : nullptr;
  const IntTab& e_f = domaine.elem_faces(), &f_e = domaine.face_voisins();
  int i, j, k, f, fb, r, C_nu = sub_type(Champ_Uniforme, nu), C_dh = sub_type(Champ_Uniforme, diam_hydr.valeur());
  double t = equation().schema_temps().temps_courant();
  DoubleVect pos(dimension), ve(dimension), dir(dimension);
 
  /* contribution of each element where the pressure drop is applied */
  for (i = 0; i < (pssz ? pssz->nb_elem_tot() : domaine.nb_elem_tot()); i++)
    {
      int e = pssz ? (*pssz)[i] : i;
      for (r = 0; r < dimension; r++)
        pos(r) = xp(e, r);
 
      /* values evaluated at the element: nu, Dh, velocity vector, Re, isotropic and directional pressure drop coefficients + the direction */
      double nu_e = C_nu ? nu.valeurs()(0, 0) : nu.valeur_a_compo(pos, 0), dh_e = C_dh ? dh.valeurs()(0, 0) : dh.valeur_a_compo(pos, 0);
      for (j = domaine.vedeb(e), ve = 0; j < domaine.vedeb(e + 1); j++)
        for (r = 0; r < dimension; r++)
          fb = domaine.veji(j), ve(r) += domaine.veci(j, r) * vit(fb) * pf(fb) / pe(e);
      double n_ve = sqrt(domaine.dot(ve.addr(), ve.addr())), Re = std::max(n_ve * dh_e / nu_e, 1e-10), C_iso, C_dir, v_dir;
      coeffs_perte_charge(ve, pos, t, n_ve, dh_e, nu_e, Re, C_iso, C_dir, v_dir, dir);
 
      /* contributions at faces of e */
      for (j = 0; j < e_f.dimension(1) && (f = e_f(e, j)) >= 0; j++)
        if (f < domaine.nb_faces() && ch.fcl()(f, 0) < 2)
          {
            double m2vf = 0, contrib;
            for (k = domaine.m2i(domaine.m2d(e) + j); k < domaine.m2i(domaine.m2d(e) + j + 1); k++)
              fb = e_f(e, domaine.m2j(k)), m2vf += pf(f) * (e == f_e(f, 0) ? 1 : -1) * (e == f_e(fb, 0) ? 1 : -1) * domaine.volumes(e) * domaine.m2c(k) * vit(fb) * pf(fb) / pe(e);
            contrib = C_iso * m2vf + fs(f) * pf(f) * (C_dir - C_iso) * domaine.dot(&ve(0), &dir(0)) * (e == f_e(f, 0) ? 1 : -1) * domaine.dot(&xv(f, 0), &dir(0), &xp(e, 0));
            if (contrib <= std::min(C_dir, C_iso) * m2vf)
              contrib = std::min(C_dir, C_iso) * m2vf; //to guarantee a minimum friction
            resu(f) -= contrib;
          }
    }
  return resu;
}
 
void Perte_Charge_PolyMAC_CDO::contribuer_a_avec(const DoubleTab& inco, Matrice_Morse& matrice) const
{
  if (has_interface_blocs()) // for derived classes
    {
      Source_base::contribuer_a_avec(inco, matrice);
      return;
    }
 
  const Domaine_PolyMAC_CDO& domaine = le_dom_poly();
  const Champ_Face_PolyMAC_CDO& ch = ref_cast(Champ_Face_PolyMAC_CDO, equation().inconnue());
  const Champ_Don_base& nu = le_fluide->viscosite_cinematique(), &dh = diam_hydr;
  const DoubleTab& xp = domaine.xp(), &xv = domaine.xv(), &vit = inco;
  const DoubleVect& pe = equation().milieu().porosite_elem(), &pf = equation().milieu().porosite_face(), &fs = domaine.face_surfaces();
  const Sous_Domaine *pssz = sous_domaine ? &le_sous_domaine.valeur() : nullptr;
  const IntTab& e_f = domaine.elem_faces(), &f_e = domaine.face_voisins();
  int i, j, k, f, fb, r, C_nu = sub_type(Champ_Uniforme, nu), C_dh = sub_type(Champ_Uniforme, diam_hydr.valeur());
  double t = equation().schema_temps().temps_courant();
  DoubleVect pos(dimension), ve(dimension), dir(dimension);
 
  for (i = 0; i < (pssz ? pssz->nb_elem_tot() : domaine.nb_elem_tot()); i++)
    {
      int e = pssz ? (*pssz)[i] : i;
      for (r = 0; r < dimension; r++)
        pos(r) = xp(e, r);
 
      /* values evaluated at the element: nu, Dh, velocity vector, Re, isotropic and directional pressure drop coefficients + the direction */
      double nu_e = C_nu ? nu.valeurs()(0, 0) : nu.valeur_a_compo(pos, 0), dh_e = C_dh ? dh.valeurs()(0, 0) : dh.valeur_a_compo(pos, 0);
      for (j = domaine.vedeb(e), ve = 0; j < domaine.vedeb(e + 1); j++)
        for (r = 0; r < dimension; r++)
          fb = domaine.veji(j), ve(r) += domaine.veci(j, r) * vit(fb) * pf(fb) / pe(e);
      double n_ve = sqrt(domaine.dot(ve.addr(), ve.addr())), Re = std::max(n_ve * dh_e / nu_e, 1e-10), C_iso, C_dir, v_dir;
      coeffs_perte_charge(ve, pos, t, n_ve, dh_e, nu_e, Re, C_iso, C_dir, v_dir, dir);
 
      /* contributions at faces of e */
      for (j = 0; j < e_f.dimension(1) && (f = e_f(e, j)) >= 0; j++)
        if (f < domaine.nb_faces() && ch.fcl()(f, 0) < 2)
          {
            double m2vf = 0, contrib;
            for (k = domaine.m2i(domaine.m2d(e) + j); k < domaine.m2i(domaine.m2d(e) + j + 1); k++)
              fb = e_f(e, domaine.m2j(k)), m2vf += pf(f) * (e == f_e(f, 0) ? 1 : -1) * (e == f_e(fb, 0) ? 1 : -1) * domaine.volumes(e) * domaine.m2c(k) * vit(fb) * pf(fb) / pe(e);
            contrib = C_iso * m2vf + fs(f) * pf(f) * (C_dir - C_iso) * domaine.dot(&ve(0), &dir(0)) * (e == f_e(f, 0) ? 1 : -1) * domaine.dot(&xv(f, 0), &dir(0), &xp(e, 0));
            if (contrib >= std::min(C_dir, C_iso) * m2vf)
              {
                for (k = domaine.m2i(domaine.m2d(e) + j); k < domaine.m2i(domaine.m2d(e) + j + 1); k++)
                  if (ch.fcl()(fb = e_f(e, domaine.m2j(k)), 0) < 2)
                    matrice(f, fb) += C_iso * pf(f) * (e == f_e(f, 0) ? 1 : -1) * (e == f_e(fb, 0) ? 1 : -1) * domaine.volumes(e) * domaine.m2c(k) * pf(fb) / pe(e);
                for (k = domaine.vedeb(e); k < domaine.vedeb(e + 1); k++)
                  if (ch.fcl()(fb = domaine.veji(k), 0) < 2)
                    matrice(f, fb) += fs(f) * pf(f) * (C_dir - C_iso) * domaine.dot(&domaine.veci(k, 0), &dir(0)) * pf(fb) / pe(e) * (e == f_e(f, 0) ? 1 : -1)
                                      * domaine.dot(&xv(f, 0), &dir(0), &xp(e, 0));
              }
            else
              {
                for (k = domaine.m2i(domaine.m2d(e) + j); k < domaine.m2i(domaine.m2d(e) + j + 1); k++)
                  if (ch.fcl()(fb = e_f(e, domaine.m2j(k)), 0) < 2)
                    matrice(f, fb) += std::min(C_dir, C_iso) * pf(f) * (e == f_e(f, 0) ? 1 : -1) * (e == f_e(fb, 0) ? 1 : -1) * domaine.volumes(e) * domaine.m2c(k) * pf(fb) / pe(e);
              }
          }
    }
}