interfaceProperties Class Reference

Contains the interface properties. More...

Inheritance diagram for interfaceProperties:

Collaboration diagram for interfaceProperties:

Public Member Functions
	interfaceProperties (const volScalarField &alpha1, const volVectorField &U, const IOdictionary &)
	Construct from volume fraction field gamma and IOdictionary. More...
scalar	cAlpha () const
const dimensionedScalar &	deltaN () const
const surfaceScalarField &	nHatf () const
const volScalarField &	K () const
const dimensionedScalar &	sigma () const
tmp< volScalarField >	sigmaK () const
tmp< surfaceScalarField >	surfaceTensionForce () const
tmp< volScalarField >	nearInterface () const
	Indicator of the proximity of the interface. More...
void	correct ()
bool	read ()
	Read transportProperties dictionary. More...

Static Public Attributes
static const scalar	convertToRad
	Conversion factor for degrees into radians. More...

Private Member Functions
	interfaceProperties (const interfaceProperties &)
	Disallow default bitwise copy construct and assignment. More...
void	operator= (const interfaceProperties &)
void	correctContactAngle (surfaceVectorField::GeometricBoundaryField &nHat, surfaceVectorField::GeometricBoundaryField &gradAlphaf) const
	Correction for the boundary condition on the unit normal nHat on. More...
void	calculateK ()
	Re-calculate the interface curvature. More...

Private Attributes
const dictionary &	transportPropertiesDict_
	Keep a reference to the transportProperties dictionary. More...
scalar	cAlpha_
	Compression coefficient. More...
dimensionedScalar	sigma_
	Surface tension. More...
const dimensionedScalar	deltaN_
	Stabilisation for normalisation of the interface normal. More...
const volScalarField &	alpha1_
const volVectorField &	U_
surfaceScalarField	nHatf_
volScalarField	K_

Detailed Description

Contains the interface properties.

Properties to aid interFoam:

1. Correct the alpha boundary condition for dynamic contact angle.
2. Calculate interface curvature.

Source files

• interfaceProperties.H
• interfaceProperties.C

Definition at line 54 of file interfaceProperties.H.

Constructor & Destructor Documentation

interfaceProperties() [1/2]

interfaceProperties ( const interfaceProperties &  )

private

Disallow default bitwise copy construct and assignment.

interfaceProperties() [2/2]

interfaceProperties	(	const volScalarField &	alpha1,
		const volVectorField &	U,
		const IOdictionary &	dict
	)

Construct from volume fraction field gamma and IOdictionary.

Definition at line 161 of file interfaceProperties.C.

Member Function Documentation

operator=()

void operator= ( const interfaceProperties &  )

private

correctContactAngle()

void correctContactAngle ( surfaceVectorField::GeometricBoundaryField &  nHat, surfaceVectorField::GeometricBoundaryField &  gradAlphaf  ) const

private

Correction for the boundary condition on the unit normal nHat on.

walls to produce the correct contact dynamic angle calculated from the component of U parallel to the wall

Definition at line 54 of file interfaceProperties.C.

References Foam::acos(), Foam::constant::physicoChemical::b, boundary(), Foam::cos(), Foam::det(), alphaContactAngleFvPatchScalarField::evaluate(), forAll, Foam::mag(), mesh, patchi, alphaContactAngleFvPatchScalarField::theta(), and dimensioned::value().

Referenced by interfaceProperties::calculateK().

Here is the call graph for this function:

Here is the caller graph for this function:

calculateK()

void calculateK ( )

private

Re-calculate the interface curvature.

Definition at line 114 of file interfaceProperties.C.

References interfaceProperties::alpha1_, GeometricField::boundaryField(), interfaceProperties::correctContactAngle(), interfaceProperties::deltaN_, Foam::fvc::div(), Foam::fvc::grad(), Foam::fvc::interpolate(), interfaceProperties::K_, Foam::mag(), mesh, and interfaceProperties::nHatf_.

Referenced by interfaceProperties::correct().

Here is the call graph for this function:

Here is the caller graph for this function:

cAlpha()

scalar cAlpha ( ) const

inline

Definition at line 114 of file interfaceProperties.H.

References interfaceProperties::cAlpha_.

deltaN()

const dimensionedScalar& deltaN ( ) const

inline

Definition at line 119 of file interfaceProperties.H.

References interfaceProperties::deltaN_.

nHatf()

const surfaceScalarField& nHatf ( ) const

inline

Definition at line 124 of file interfaceProperties.H.

References interfaceProperties::nHatf_.

K()

const volScalarField& K ( ) const

inline

Definition at line 129 of file interfaceProperties.H.

References interfaceProperties::K_.

sigma()

const dimensionedScalar& sigma ( ) const

inline

Definition at line 134 of file interfaceProperties.H.

References interfaceProperties::sigma_.

sigmaK()

tmp<volScalarField> sigmaK ( ) const

inline

Definition at line 139 of file interfaceProperties.H.

References interfaceProperties::K_, and interfaceProperties::sigma_.

surfaceTensionForce()

Foam::tmp< Foam::surfaceScalarField > surfaceTensionForce

(

)

const

Definition at line 217 of file interfaceProperties.C.

References Foam::fvc::interpolate(), and Foam::fvc::snGrad().

Here is the call graph for this function:

nearInterface()

Foam::tmp< Foam::volScalarField > nearInterface

(

)

const

Indicator of the proximity of the interface.

Field values are 1 near and 0 away for the interface.

Definition at line 224 of file interfaceProperties.C.

References Foam::pos().

Here is the call graph for this function:

correct()

void correct ( )

inline

Definition at line 150 of file interfaceProperties.H.

References interfaceProperties::calculateK().

Referenced by immiscibleIncompressibleTwoPhaseMixture::correct().

Here is the call graph for this function:

Here is the caller graph for this function:

read()

bool read

(

)

Read transportProperties dictionary.

Definition at line 230 of file interfaceProperties.C.

Referenced by immiscibleIncompressibleTwoPhaseMixture::read().

Here is the caller graph for this function:

Field Documentation

transportPropertiesDict_

const dictionary& transportPropertiesDict_

private

Keep a reference to the transportProperties dictionary.

Definition at line 59 of file interfaceProperties.H.

cAlpha_

scalar cAlpha_

private

Compression coefficient.

Definition at line 62 of file interfaceProperties.H.

Referenced by interfaceProperties::cAlpha().

sigma_

dimensionedScalar sigma_

private

Surface tension.

Definition at line 65 of file interfaceProperties.H.

Referenced by interfaceProperties::sigma(), and interfaceProperties::sigmaK().

deltaN_

const dimensionedScalar deltaN_

private

Stabilisation for normalisation of the interface normal.

Definition at line 68 of file interfaceProperties.H.

Referenced by interfaceProperties::calculateK(), and interfaceProperties::deltaN().

alpha1_

const volScalarField& alpha1_

private

Definition at line 70 of file interfaceProperties.H.

Referenced by interfaceProperties::calculateK().

U_

const volVectorField& U_

private

Definition at line 71 of file interfaceProperties.H.

nHatf_

surfaceScalarField nHatf_

private

Definition at line 72 of file interfaceProperties.H.

Referenced by interfaceProperties::calculateK(), and interfaceProperties::nHatf().

K_

volScalarField K_

private

Definition at line 73 of file interfaceProperties.H.

Referenced by interfaceProperties::calculateK(), interfaceProperties::K(), and interfaceProperties::sigmaK().

convertToRad

const Foam::scalar convertToRad

static

Initial value:

=
    Foam::constant::mathematical::pi/180.0

Conversion factor for degrees into radians.

Definition at line 98 of file interfaceProperties.H.

---

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

• src/transportModels/interfaceProperties/interfaceProperties.H
• src/transportModels/interfaceProperties/interfaceProperties.C