translatingWallVelocityFvPatchVectorField.C

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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_(0)
{}


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))
{
    // 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_, false)
{}


Foam::translatingWallVelocityFvPatchVectorField::
translatingWallVelocityFvPatchVectorField
(
    const translatingWallVelocityFvPatchVectorField& twvpvf,
    const DimensionedField<vector, volMesh>& iF
)
:
    fixedValueFvPatchField<vector>(twvpvf, iF),
    U_(twvpvf.U_, false)
{}


// * * * * * * * * * * * * * * * 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);
    writeEntry(os, U_());
    writeEntry(os, "value", *this);
}


// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

namespace Foam
{
    makePatchTypeField
    (
        fvPatchVectorField,
        translatingWallVelocityFvPatchVectorField
    );
}

// ************************************************************************* //