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PorousFlowRelativePermeabilityFLAC Class Reference

Material to calculate relative permeability inspired by the formula used in FLAC: relperm = (1 + m) seff^m - m seff^(m + 1) More...

#include <PorousFlowRelativePermeabilityFLAC.h>

Inheritance diagram for PorousFlowRelativePermeabilityFLAC:
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Public Member Functions

 PorousFlowRelativePermeabilityFLAC (const InputParameters &parameters)
 

Protected Member Functions

virtual Real relativePermeability (Real seff) const override
 Relative permeability equation (must be overriden in derived class) More...
 
virtual Real dRelativePermeability (Real seff) const override
 Derivative of relative permeability with respect to effective saturation. More...
 
virtual void computeQpProperties () override
 
virtual Real effectiveSaturation (Real saturation) const
 Effective saturation of fluid phase. More...
 

Protected Attributes

const Real _m
 exponent m for the specified phase More...
 
const Real _scaling
 Relative permeability is multiplied by this quantity. More...
 
VariableName _saturation_variable_name
 Name of (dummy) saturation primary variable. More...
 
const MaterialProperty< std::vector< Real > > & _saturation
 Saturation material property. More...
 
MaterialProperty< Real > & _relative_permeability
 Relative permeability material property. More...
 
MaterialProperty< Real > & _drelative_permeability_ds
 Derivative of relative permeability wrt phase saturation. More...
 
const Real _s_res
 Residual saturation of specified phase. More...
 
const Real _sum_s_res
 Sum of residual saturations over all phases. More...
 
const Real _dseff_ds
 Derivative of effective saturation with respect to saturation. More...
 
const unsigned int _phase_num
 Phase number of fluid. More...
 
const std::string _phase
 Stringified fluid phase number. More...
 

Detailed Description

Material to calculate relative permeability inspired by the formula used in FLAC: relperm = (1 + m) seff^m - m seff^(m + 1)

Definition at line 24 of file PorousFlowRelativePermeabilityFLAC.h.

Constructor & Destructor Documentation

PorousFlowRelativePermeabilityFLAC::PorousFlowRelativePermeabilityFLAC ( const InputParameters &  parameters)

Definition at line 22 of file PorousFlowRelativePermeabilityFLAC.C.

24  : PorousFlowRelativePermeabilityBase(parameters), _m(getParam<Real>("m"))
25 {
26 }
PorousFlowRelativePermeabilityBase(const InputParameters &parameters)
const Real _m
exponent m for the specified phase

Member Function Documentation

void PorousFlowRelativePermeabilityBase::computeQpProperties ( )
overrideprotectedvirtualinherited

Definition at line 57 of file PorousFlowRelativePermeabilityBase.C.

58 {
59  // Effective saturation
60  Real seff = effectiveSaturation(_saturation[_qp][_phase_num]);
61  Real relperm, drelperm;
62 
63  if (seff < 0.0)
64  {
65  // Relative permeability is 0 for saturation less than residual
66  relperm = 0.0;
67  drelperm = 0.0;
68  }
69  else if (seff >= 0.0 && seff <= 1)
70  {
71  relperm = relativePermeability(seff);
72  drelperm = dRelativePermeability(seff);
73  }
74  else // seff > 1
75  {
76  // Relative permeability is 1 when fully saturated
77  relperm = 1.0;
78  drelperm = 0.0;
79  }
80 
81  _relative_permeability[_qp] = relperm * _scaling;
82  _drelative_permeability_ds[_qp] = drelperm * _dseff_ds * _scaling;
83 }
const Real _scaling
Relative permeability is multiplied by this quantity.
MaterialProperty< Real > & _relative_permeability
Relative permeability material property.
virtual Real dRelativePermeability(Real seff) const =0
Derivative of relative permeability with respect to effective saturation.
const Real _dseff_ds
Derivative of effective saturation with respect to saturation.
const MaterialProperty< std::vector< Real > > & _saturation
Saturation material property.
const unsigned int _phase_num
Phase number of fluid.
virtual Real effectiveSaturation(Real saturation) const
Effective saturation of fluid phase.
MaterialProperty< Real > & _drelative_permeability_ds
Derivative of relative permeability wrt phase saturation.
virtual Real relativePermeability(Real seff) const =0
Relative permeability equation (must be overriden in derived class)
Real PorousFlowRelativePermeabilityFLAC::dRelativePermeability ( Real  seff) const
overrideprotectedvirtual

Derivative of relative permeability with respect to effective saturation.

Parameters
seffeffective saturation
Returns
derivative of relative permeability wrt effective saturation

Implements PorousFlowRelativePermeabilityBase.

Definition at line 35 of file PorousFlowRelativePermeabilityFLAC.C.

36 {
38 }
Real dRelativePermeability(Real seff, Real m)
Derivative of relative permeability with respect to effective saturation.
const Real _m
exponent m for the specified phase
Real PorousFlowRelativePermeabilityBase::effectiveSaturation ( Real  saturation) const
protectedvirtualinherited

Effective saturation of fluid phase.

Parameters
saturationtrue saturation
Returns
effective saturation

Definition at line 86 of file PorousFlowRelativePermeabilityBase.C.

Referenced by PorousFlowRelativePermeabilityBase::computeQpProperties().

87 {
88  return (saturation - _s_res) / (1.0 - _sum_s_res);
89 }
const Real _sum_s_res
Sum of residual saturations over all phases.
const Real _s_res
Residual saturation of specified phase.
void FORTRAN_CALL() saturation(double &P, double &T, int &N, int &nerr)
Real PorousFlowRelativePermeabilityFLAC::relativePermeability ( Real  seff) const
overrideprotectedvirtual

Relative permeability equation (must be overriden in derived class)

Parameters
seffeffective saturation
Returns
relative permeability

Implements PorousFlowRelativePermeabilityBase.

Definition at line 29 of file PorousFlowRelativePermeabilityFLAC.C.

30 {
32 }
Real relativePermeability(Real seff, Real m)
Relative permeability as a function of effective saturation.
const Real _m
exponent m for the specified phase

Member Data Documentation

MaterialProperty<Real>& PorousFlowRelativePermeabilityBase::_drelative_permeability_ds
protectedinherited

Derivative of relative permeability wrt phase saturation.

Definition at line 65 of file PorousFlowRelativePermeabilityBase.h.

Referenced by PorousFlowRelativePermeabilityBase::computeQpProperties().

const Real PorousFlowRelativePermeabilityBase::_dseff_ds
protectedinherited

Derivative of effective saturation with respect to saturation.

Definition at line 74 of file PorousFlowRelativePermeabilityBase.h.

Referenced by PorousFlowRelativePermeabilityBase::computeQpProperties().

const Real PorousFlowRelativePermeabilityFLAC::_m
protected

exponent m for the specified phase

Definition at line 34 of file PorousFlowRelativePermeabilityFLAC.h.

Referenced by dRelativePermeability(), and relativePermeability().

const std::string PorousFlowMaterialBase::_phase
protectedinherited

Stringified fluid phase number.

Definition at line 36 of file PorousFlowMaterialBase.h.

const unsigned int PorousFlowMaterialBase::_phase_num
protectedinherited
MaterialProperty<Real>& PorousFlowRelativePermeabilityBase::_relative_permeability
protectedinherited

Relative permeability material property.

Definition at line 62 of file PorousFlowRelativePermeabilityBase.h.

Referenced by PorousFlowRelativePermeabilityBase::computeQpProperties().

const Real PorousFlowRelativePermeabilityBase::_s_res
protectedinherited
const MaterialProperty<std::vector<Real> >& PorousFlowRelativePermeabilityBase::_saturation
protectedinherited

Saturation material property.

Definition at line 59 of file PorousFlowRelativePermeabilityBase.h.

Referenced by PorousFlowRelativePermeabilityBase::computeQpProperties().

VariableName PorousFlowRelativePermeabilityBase::_saturation_variable_name
protectedinherited

Name of (dummy) saturation primary variable.

Definition at line 56 of file PorousFlowRelativePermeabilityBase.h.

const Real PorousFlowRelativePermeabilityBase::_scaling
protectedinherited

Relative permeability is multiplied by this quantity.

Definition at line 53 of file PorousFlowRelativePermeabilityBase.h.

Referenced by PorousFlowRelativePermeabilityBase::computeQpProperties().

const Real PorousFlowRelativePermeabilityBase::_sum_s_res
protectedinherited

The documentation for this class was generated from the following files: