PorousFlowCapillaryPressureVG.C File Reference

Go to the source code of this file.

Functions
	registerMooseObject ("PorousFlowApp", PorousFlowCapillaryPressureVG)
template<>
InputParameters	validParams< PorousFlowCapillaryPressureVG > ()

Function Documentation

registerMooseObject()

registerMooseObject	(	"PorousFlowApp"	,
		PorousFlowCapillaryPressureVG
	)

validParams< PorousFlowCapillaryPressureVG >()

template<>

InputParameters validParams< PorousFlowCapillaryPressureVG >

(

)

Definition at line 17 of file PorousFlowCapillaryPressureVG.C.

{
  InputParameters params = validParams<PorousFlowCapillaryPressure>();
  params.addRequiredRangeCheckedParam<Real>(
      "m",
      "m >= 0 & m <= 1",
      "van Genuchten exponent m. Must be between 0 and 1, and optimally should be set to >0.5");
  params.addRequiredRangeCheckedParam<Real>(
      "alpha", "alpha > 0", "van Genuchten parameter alpha. Must be positive");
  params.addRangeCheckedParam<Real>("s_scale",
                                    1.0,
                                    "s_scale > 0.0 & s_scale <= 1.0",
                                    "CapillaryPressure = f(Seff * s_scale) - "
                                    "f(s_scale), where f is the van Genuchten "
                                    "expression.  Setting s_scale<1 is unusual "
                                    "but sometimes helps fully saturated, "
                                    "2-phase PP simulations converge as the "
                                    "zero derivative (1/f'(S=1)=0) is removed");
  params.addClassDescription("van Genuchten capillary pressure");
  return params;
}