translatingWallVelocityFvPatchVectorField.C

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    Copyright (C) 2021 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.
 
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#include "translatingWallVelocityFvPatchVectorField.H"
#include "addToRunTimeSelectionTable.H"
#include "volFields.H"
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::translatingWallVelocityFvPatchVectorField::
translatingWallVelocityFvPatchVectorField
(
    const fvPatch& p,
    const DimensionedField<vector, volMesh>& iF
)
:
    fixedValueFvPatchField<vector>(p, iF),
    U_(nullptr)
{}
 
 
Foam::translatingWallVelocityFvPatchVectorField::
translatingWallVelocityFvPatchVectorField
(
    const fvPatch& p,
    const DimensionedField<vector, volMesh>& iF,
    const dictionary& dict
)
:
    fixedValueFvPatchField<vector>(p, iF, dict, false),
    U_(Function1<vector>::New("U", dict, &db()))
{
    // Evaluate the wall velocity
    updateCoeffs();
}
 
 
Foam::translatingWallVelocityFvPatchVectorField::
translatingWallVelocityFvPatchVectorField
(
    const translatingWallVelocityFvPatchVectorField& ptf,
    const fvPatch& p,
    const DimensionedField<vector, volMesh>& iF,
    const fvPatchFieldMapper& mapper
)
:
    fixedValueFvPatchField<vector>(ptf, p, iF, mapper),
    U_(ptf.U_.clone())
{}
 
 
Foam::translatingWallVelocityFvPatchVectorField::
translatingWallVelocityFvPatchVectorField
(
    const translatingWallVelocityFvPatchVectorField& twvpvf
)
:
    fixedValueFvPatchField<vector>(twvpvf),
    U_(twvpvf.U_.clone())
{}
 
 
Foam::translatingWallVelocityFvPatchVectorField::
translatingWallVelocityFvPatchVectorField
(
    const translatingWallVelocityFvPatchVectorField& twvpvf,
    const DimensionedField<vector, volMesh>& iF
)
:
    fixedValueFvPatchField<vector>(twvpvf, iF),
    U_(twvpvf.U_.clone())
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
void Foam::translatingWallVelocityFvPatchVectorField::updateCoeffs()
{
    if (updated())
    {
        return;
    }
 
    const scalar t = this->db().time().timeOutputValue();
    const vector U = U_->value(t);
 
    // Remove the component of U normal to the wall in case the wall is not flat
    const vectorField n(patch().nf());
    vectorField::operator=(U - n*(n & U));
 
    fixedValueFvPatchVectorField::updateCoeffs();
}
 
 
void Foam::translatingWallVelocityFvPatchVectorField::write(Ostream& os) const
{
    fvPatchVectorField::write(os);
    U_->writeData(os);
    writeEntry("value", os);
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
    makePatchTypeField
    (
        fvPatchVectorField,
        translatingWallVelocityFvPatchVectorField
    );
}
 
// ************************************************************************* //