Source_Permeabilite_VDF.h

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#ifndef Source_Permeabilite_VDF_included
#define Source_Permeabilite_VDF_included
 
#include <Modele_Permeabilite_base.h>
 
/// \cond DO_NOT_DOCUMENT
class Source_Permeabilite_VDF
{ };
/// \endcond
 
/*! @brief class ModPerm_Cte This class represents a constant permeability.
 *
 */
class ModPerm_Cte : public Modele_Permeabilite_base
{
  Declare_instanciable_sans_constructeur(ModPerm_Cte);
public:
  ModPerm_Cte() : cte(1.) { }
  inline double getK(double ) const override { return cte;} // Returns the permeability value as a function of porosity (of a face for example).
 
protected:
  double cte;
};
 
/*! @brief This class represents the Carman Kozeny correlation for the permeability of a particle bed of given diameter.
 *
 */
class ModPerm_Carman_Kozeny : public Modele_Permeabilite_base
{
  Declare_instanciable_sans_constructeur(ModPerm_Carman_Kozeny);
public:
  ModPerm_Carman_Kozeny() : diam(1.), C(180.) { }
  inline double getDiametre() const { return diam; }
  inline void setDiametre(double d) { diam = d; }
 
  inline double getK(double porosite) const override // Returns the permeability value as a function of porosity (of a face for example).
  {
    const double tmp = diam *porosite /(1.-porosite);
    return tmp*tmp*porosite/C;
  }
 
protected:
  double diam, C;
};
 
/*! @brief This class represents the Ergun correlation for the permeability of a particle bed of given diameter.
 *
 */
class ModPerm_ErgunPourDarcy : public ModPerm_Carman_Kozeny
{
  Declare_instanciable_sans_constructeur(ModPerm_ErgunPourDarcy);
public:
  ModPerm_ErgunPourDarcy() { C = 150.; }
};
 
/*! @brief This class represents the Ergun correlation associated with the Forchheimer term, for the permeability of a particle bed of given diameter.
 *
 */
class ModPerm_ErgunPourForch : public ModPerm_Carman_Kozeny
{
  Declare_instanciable_sans_constructeur(ModPerm_ErgunPourForch);
public:
  ModPerm_ErgunPourForch() { C = 1.75; }
 
  inline double getK(double porosite) const override // Returns the permeability value as a function of porosity (of a face for example).
  {
    const double tmp = diam *porosite*porosite*porosite /(1.-porosite)/C;
    return tmp*tmp;
  }
};
 
#endif /* Source_Permeabilite_VDF_included */