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PorousFlowRelativePermeabilityVG.h File Reference

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Classes

class  PorousFlowRelativePermeabilityVG
 Material to calculate van Genuchten-type relative permeability of an arbitrary phase given the saturation and exponent of that phase. More...
 

Functions

template<>
InputParameters validParams< PorousFlowRelativePermeabilityVG > ()
 

Function Documentation

template<>
InputParameters validParams< PorousFlowRelativePermeabilityVG > ( )

Definition at line 13 of file PorousFlowRelativePermeabilityVG.C.

14 {
15  InputParameters params = validParams<PorousFlowRelativePermeabilityBase>();
16  params.addRequiredRangeCheckedParam<Real>(
17  "m", "m > 0 & m < 1", "The van Genuchten exponent of the phase");
18  params.addRangeCheckedParam<Real>("seff_turnover",
19  1.0,
20  "seff_turnover > 0 & seff_turnover <= 1",
21  "The relative permeability will be a cubic for seff > "
22  "seff_turnover. The cubic is chosen so that its derivative "
23  "and value matche the VG function at seff=seff_turnover");
24  params.addParam<bool>("zero_derivative",
25  false,
26  "Employ a cubic for seff>seff_turnover that has zero derivative at seff=1");
27  params.addClassDescription(
28  "This Material calculates relative permeability of a phase using the van Genuchten model");
29  return params;
30 }
InputParameters validParams< PorousFlowRelativePermeabilityBase >()