swirlInletVelocity

Description

The swirlInletVelocity is a velocity boundary condition that describes an inlet vector boundary condition in swirl coordinates given a central axis, central point, axial, radial and tangential velocity profiles.

Usage

The condition requires entries in both the boundary and field files.

Boundary file

<patchName>
{
    type                patch;
    ...
}

Field file

<patchName>
{
    // Mandatory entries
    type                swirlInletVelocity;
    axialVelocity       <Function1<scalar>>;
    radialVelocity      <Function1<scalar>>;
    tangentialVelocity  <Function1<scalar>>;
    origin         <vector>;
    axis           <vector>;

    // Inherited entries
    ...
}

where:

Property	Description	Type	Required	Default
type	Type name: swirlInletVelocity	word	yes	-
axialVelocity	Axial-velocity profile	Function1<scalar>	yes	-
radialVelocity	Radial-velocity profile	Function1<scalar>	yes	-
tangentialVelocity	Tangential-velocity profile	Function1<scalar>	yes	-
origin	Origin of rotation	vector	no	Zero
axis	Axis of rotation	vector	no	Zero

The inherited entries are elaborated in:

• Foam::fixedValueFvPatchField
• Foam::Function1

Further information

Tutorial:

• N/A

Source code:

• swirlInletVelocity

API:

• Foam::swirlInletVelocityFvPatchVectorField

History: Introduced in version v1712