Dumux::DiffusivityMillingtonQuirk< Scalar > Class Template Reference

Relation for the saturation-dependent effective diffusion coefficient. More...

#include <dumux/material/fluidmatrixinteractions/diffusivitymillingtonquirk.hh>

Description

template<class Scalar>
class Dumux::DiffusivityMillingtonQuirk< Scalar >

Relation for the saturation-dependent effective diffusion coefficient.

The material law is:

\[ D_\text{eff,pm} = \phi * S_w * \tau * D \]

with

\[ \tau = \frac{1}{\phi^2} * \left(\phi S_w\right)^{7/3} \]

after Millington and Quirk 1961: Permeability of porous solids [43] and Helmig 1997: Multiphase Flow and Transport Processes in the Subsurface: A Contribution to the Modeling of Hydrosystems, page 129 [28]

Static Public Member Functions
template<class VolumeVariables >
static Scalar	effectiveDiffusionCoefficient (const VolumeVariables &volVars, const int phaseIdx, const int compIdxI, const int compIdxJ)
	Returns the effective diffusion coefficient \(\mathrm{[m^2/s]}\) after Millington Quirk. More...

Member Function Documentation

effectiveDiffusionCoefficient()

template<class Scalar >

template<class VolumeVariables >

static Scalar Dumux::DiffusivityMillingtonQuirk< Scalar >::effectiveDiffusionCoefficient ( const VolumeVariables &  volVars, const int  phaseIdx, const int  compIdxI, const int  compIdxJ  )

inlinestatic

Returns the effective diffusion coefficient \(\mathrm{[m^2/s]}\) after Millington Quirk.

Parameters

volVars	The Volume Variables
phaseIdx	the index of the phase
compIdxI	the component index i
compIdxJ	the component index j

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

• diffusivitymillingtonquirk.hh