This boundary condition provides an entrainment pressure condition. The condition is the same as totalPressure condition except that where the total pressure uses the square of the velocity magnitude, this uses the signed square of the normal velocity. In the incompressible case, that means the formulation is as follows: More...

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Public Member Functions
	TypeName ("entrainmentPressure")
	Runtime type information. More...

	entrainmentPressureFvPatchScalarField (const fvPatch &, const DimensionedField< scalar, volMesh > &, const dictionary &)
	Construct from patch, internal field and dictionary. More...

	entrainmentPressureFvPatchScalarField (const entrainmentPressureFvPatchScalarField &, const fvPatch &, const DimensionedField< scalar, volMesh > &, const fvPatchFieldMapper &)
	Construct by mapping given entrainmentPressureFvPatchScalarField. More...

	entrainmentPressureFvPatchScalarField (const entrainmentPressureFvPatchScalarField &)=delete
	Disallow copy without setting internal field reference. More...

	entrainmentPressureFvPatchScalarField (const entrainmentPressureFvPatchScalarField &, const DimensionedField< scalar, volMesh > &)
	Copy constructor setting internal field reference. More...

virtual tmp< fvPatchScalarField >	clone (const DimensionedField< scalar, volMesh > &iF) const
	Construct and return a clone setting internal field reference. More...

virtual void	updateCoeffs ()
	Update the coefficients associated with the patch field. More...

virtual void	write (Ostream &) const
	Write. More...

Public Member Functions inherited from dynamicPressureFvPatchScalarField
	TypeName ("dynamicPressure")
	Runtime type information. More...

	dynamicPressureFvPatchScalarField (const fvPatch &, const DimensionedField< scalar, volMesh > &, const dictionary &)
	Construct from patch, internal field and dictionary. More...

	dynamicPressureFvPatchScalarField (const dynamicPressureFvPatchScalarField &, const fvPatch &, const DimensionedField< scalar, volMesh > &, const fvPatchFieldMapper &)
	Construct by mapping given dynamicPressureFvPatchScalarField. More...

	dynamicPressureFvPatchScalarField (const dynamicPressureFvPatchScalarField &)=delete
	Disallow copy without setting internal field reference. More...

	dynamicPressureFvPatchScalarField (const dynamicPressureFvPatchScalarField &, const DimensionedField< scalar, volMesh > &)
	Copy constructor setting internal field reference. More...

virtual void	map (const fvPatchScalarField &, const fvPatchFieldMapper &)
	Map the given fvPatchField onto this fvPatchField. More...

virtual void	reset (const fvPatchScalarField &)
	Reset the fvPatchField to the given fvPatchField. More...

Additional Inherited Members
Protected Member Functions inherited from dynamicPressureFvPatchScalarField
void	updateCoeffs (const scalarField &p0p, const scalarField &K0mKp)
	Update the coefficients associated with the patch field. More...

Protected Attributes inherited from dynamicPressureFvPatchScalarField
const word	rhoName_
	Name of the density field used to normalise the mass flux. More...

const word	psiName_
	Name of the compressibility field used to calculate the wave speed. More...

const scalar	gamma_
	Heat capacity ratio. More...

scalarField	p0_
	Reference pressure. More...

Detailed Description

This boundary condition provides an entrainment pressure condition. The condition is the same as totalPressure condition except that where the total pressure uses the square of the velocity magnitude, this uses the signed square of the normal velocity. In the incompressible case, that means the formulation is as follows:

$p_p = p_0 + 0.5 Un |Un|$

where

	=	pressure at patch [m^2/s^2]
	=	reference pressure [m^2/s^2]
	=	patch normal velocity [m/s]

This condition is particularly suitable for boundaries on which the flow direction changes frequently and/or when the inlet/outlet direction is not well defined.

Usage

Property	Description	Required	Default value
`phi`	Flux field name	no	phi
`rho`	Density field name	no	rho
`psi`	Compressibility field name	no	none
`gamma`	(Cp/Cv)	no	1
`p0`	Reference pressure	yes

Example of the boundary condition specification:

    <patchName>
    {
        type            entrainmentPressure;
        p0              uniform 1e5;
    }

See also: Foam::dynamicPressureFvPatchScalarField Foam::totalPressureFvPatchScalarField Foam::fixedValueFvPatchField

Source files

Definition at line 132 of file entrainmentPressureFvPatchScalarField.H.

Constructor & Destructor Documentation

◆ entrainmentPressureFvPatchScalarField() [1/4]

entrainmentPressureFvPatchScalarField	(	const fvPatch &	p,
		const DimensionedField< scalar, volMesh > &	iF,
		const dictionary &	dict
	)

Construct from patch, internal field and dictionary.

Definition at line 33 of file entrainmentPressureFvPatchScalarField.C.

Referenced by entrainmentPressureFvPatchScalarField::clone().

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◆ entrainmentPressureFvPatchScalarField() [2/4]

entrainmentPressureFvPatchScalarField	(	const entrainmentPressureFvPatchScalarField &	ptf,
		const fvPatch &	p,
		const DimensionedField< scalar, volMesh > &	iF,
		const fvPatchFieldMapper &	mapper
	)

Construct by mapping given entrainmentPressureFvPatchScalarField.

onto a new patch

Definition at line 46 of file entrainmentPressureFvPatchScalarField.C.

◆ entrainmentPressureFvPatchScalarField() [3/4]

entrainmentPressureFvPatchScalarField ( const entrainmentPressureFvPatchScalarField & )

delete

Disallow copy without setting internal field reference.

◆ entrainmentPressureFvPatchScalarField() [4/4]

entrainmentPressureFvPatchScalarField	(	const entrainmentPressureFvPatchScalarField &	tppsf,
		const DimensionedField< scalar, volMesh > &	iF
	)

Copy constructor setting internal field reference.

Definition at line 60 of file entrainmentPressureFvPatchScalarField.C.

Member Function Documentation

◆ TypeName()

TypeName ( "entrainmentPressure" )

Runtime type information.

◆ clone()

virtual tmp<fvPatchScalarField> clone ( const DimensionedField< scalar, volMesh > & iF ) const

inlinevirtual

Construct and return a clone setting internal field reference.

Definition at line 182 of file entrainmentPressureFvPatchScalarField.H.

References entrainmentPressureFvPatchScalarField::entrainmentPressureFvPatchScalarField().

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◆ updateCoeffs()

void updateCoeffs ( )

virtual

Update the coefficients associated with the patch field.

Definition at line 74 of file entrainmentPressureFvPatchScalarField.C.

References DimensionedField< Type, GeoMesh >::dimensions(), Foam::dimMassFlux, Foam::mag(), Foam::negPart(), and dynamicPressureFvPatchScalarField::updateCoeffs().

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◆ write()

void write ( Ostream & os ) const

virtual

Write.

Reimplemented from dynamicPressureFvPatchScalarField.

Definition at line 100 of file entrainmentPressureFvPatchScalarField.C.

References dynamicPressureFvPatchScalarField::write().

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

src/finiteVolume/fields/fvPatchFields/derived/entrainmentPressure/entrainmentPressureFvPatchScalarField.H
src/finiteVolume/fields/fvPatchFields/derived/entrainmentPressure/entrainmentPressureFvPatchScalarField.C

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ entrainmentPressureFvPatchScalarField() [1/4]

◆ entrainmentPressureFvPatchScalarField() [2/4]

◆ entrainmentPressureFvPatchScalarField() [3/4]

◆ entrainmentPressureFvPatchScalarField() [4/4]

Member Function Documentation

◆ TypeName()

◆ clone()

◆ updateCoeffs()

◆ write()