Files
openfoam/src/finiteVolume/fields/fvPatchFields/derived/variableHeightFlowRateInletVelocity/variableHeightFlowRateInletVelocityFvPatchVectorField.C
2012-04-02 13:46:20 +01:00

148 lines
4.1 KiB
C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2012 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
OpenFOAM is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2 of the License, or (at your
option) any later version.
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with OpenFOAM; if not, write to the Free Software Foundation,
Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
\*---------------------------------------------------------------------------*/
#include "variableHeightFlowRateInletVelocityFvPatchVectorField.H"
#include "volFields.H"
#include "addToRunTimeSelectionTable.H"
#include "fvPatchFieldMapper.H"
#include "surfaceFields.H"
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
Foam::variableHeightFlowRateInletVelocityFvPatchVectorField
::variableHeightFlowRateInletVelocityFvPatchVectorField
(
const fvPatch& p,
const DimensionedField<vector, volMesh>& iF
)
:
fixedValueFvPatchField<vector>(p, iF),
flowRate_(0)
{}
Foam::variableHeightFlowRateInletVelocityFvPatchVectorField
::variableHeightFlowRateInletVelocityFvPatchVectorField
(
const variableHeightFlowRateInletVelocityFvPatchVectorField& ptf,
const fvPatch& p,
const DimensionedField<vector, volMesh>& iF,
const fvPatchFieldMapper& mapper
)
:
fixedValueFvPatchField<vector>(ptf, p, iF, mapper),
flowRate_(ptf.flowRate_)
{}
Foam::variableHeightFlowRateInletVelocityFvPatchVectorField
::variableHeightFlowRateInletVelocityFvPatchVectorField
(
const fvPatch& p,
const DimensionedField<vector, volMesh>& iF,
const dictionary& dict
)
:
fixedValueFvPatchField<vector>(p, iF, dict),
flowRate_(readScalar(dict.lookup("flowRate")))
{}
Foam::variableHeightFlowRateInletVelocityFvPatchVectorField
::variableHeightFlowRateInletVelocityFvPatchVectorField
(
const variableHeightFlowRateInletVelocityFvPatchVectorField& ptf
)
:
fixedValueFvPatchField<vector>(ptf),
flowRate_(ptf.flowRate_)
{}
Foam::variableHeightFlowRateInletVelocityFvPatchVectorField
::variableHeightFlowRateInletVelocityFvPatchVectorField
(
const variableHeightFlowRateInletVelocityFvPatchVectorField& ptf,
const DimensionedField<vector, volMesh>& iF
)
:
fixedValueFvPatchField<vector>(ptf, iF),
flowRate_(ptf.flowRate_)
{}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
void Foam::variableHeightFlowRateInletVelocityFvPatchVectorField
::updateCoeffs()
{
if (updated())
{
return;
}
scalarField alphap =
patch().lookupPatchField<volScalarField, scalar>("alpha1");
alphap = max(alphap, 0.0);
alphap = min(alphap, 1.0);
// a simpler way of doing this would be nice
scalar avgU = -flowRate_/gSum(patch().magSf()*alphap);
vectorField n = patch().nf();
operator==(n*avgU*alphap);
fixedValueFvPatchField<vector>::updateCoeffs();
}
void Foam::variableHeightFlowRateInletVelocityFvPatchVectorField
::write(Ostream& os) const
{
fvPatchField<vector>::write(os);
os.writeKeyword("flowRate") << flowRate_
<< token::END_STATEMENT << nl;
writeEntry("value", os);
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
makePatchTypeField
(
fvPatchVectorField,
variableHeightFlowRateInletVelocityFvPatchVectorField
);
}
// ************************************************************************* //