157 lines
4.4 KiB
C
157 lines
4.4 KiB
C
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | www.openfoam.com
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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Copyright (C) 2012-2016 OpenFOAM Foundation
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Copyright (C) 2021 OpenCFD Ltd.
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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\*---------------------------------------------------------------------------*/
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#include "variableHeightFlowRateInletVelocityFvPatchVectorField.H"
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#include "addToRunTimeSelectionTable.H"
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#include "volFields.H"
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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Foam::variableHeightFlowRateInletVelocityFvPatchVectorField
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::variableHeightFlowRateInletVelocityFvPatchVectorField
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(
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const fvPatch& p,
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const DimensionedField<vector, volMesh>& iF
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)
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:
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fixedValueFvPatchField<vector>(p, iF),
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flowRate_(),
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alphaName_("none")
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{}
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Foam::variableHeightFlowRateInletVelocityFvPatchVectorField
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::variableHeightFlowRateInletVelocityFvPatchVectorField
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(
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const fvPatch& p,
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const DimensionedField<vector, volMesh>& iF,
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const dictionary& dict
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)
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:
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fixedValueFvPatchField<vector>(p, iF, dict),
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flowRate_(Function1<scalar>::New("flowRate", dict, &db())),
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alphaName_(dict.lookup("alpha"))
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{}
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Foam::variableHeightFlowRateInletVelocityFvPatchVectorField
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::variableHeightFlowRateInletVelocityFvPatchVectorField
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(
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const variableHeightFlowRateInletVelocityFvPatchVectorField& ptf,
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const fvPatch& p,
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const DimensionedField<vector, volMesh>& iF,
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const fvPatchFieldMapper& mapper
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)
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:
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fixedValueFvPatchField<vector>(ptf, p, iF, mapper),
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flowRate_(ptf.flowRate_.clone()),
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alphaName_(ptf.alphaName_)
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{}
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Foam::variableHeightFlowRateInletVelocityFvPatchVectorField
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::variableHeightFlowRateInletVelocityFvPatchVectorField
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(
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const variableHeightFlowRateInletVelocityFvPatchVectorField& ptf
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)
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:
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fixedValueFvPatchField<vector>(ptf),
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flowRate_(ptf.flowRate_.clone()),
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alphaName_(ptf.alphaName_)
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{}
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Foam::variableHeightFlowRateInletVelocityFvPatchVectorField
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::variableHeightFlowRateInletVelocityFvPatchVectorField
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(
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const variableHeightFlowRateInletVelocityFvPatchVectorField& ptf,
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const DimensionedField<vector, volMesh>& iF
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)
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:
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fixedValueFvPatchField<vector>(ptf, iF),
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flowRate_(ptf.flowRate_.clone()),
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alphaName_(ptf.alphaName_)
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{}
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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void Foam::variableHeightFlowRateInletVelocityFvPatchVectorField
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::updateCoeffs()
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{
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if (updated())
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{
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return;
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}
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scalarField alphap =
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patch().lookupPatchField<volScalarField, scalar>(alphaName_);
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alphap = max(alphap, scalar(0));
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alphap = min(alphap, scalar(1));
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const scalar t = db().time().timeOutputValue();
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scalar flowRate = flowRate_->value(t);
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// a simpler way of doing this would be nice
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scalar avgU = -flowRate/gSum(patch().magSf()*alphap);
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vectorField n(patch().nf());
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operator==(n*avgU*alphap);
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fixedValueFvPatchField<vector>::updateCoeffs();
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}
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void Foam::variableHeightFlowRateInletVelocityFvPatchVectorField::write
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(
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Ostream& os
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) const
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{
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fvPatchField<vector>::write(os);
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flowRate_->writeData(os);
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os.writeEntry("alpha", alphaName_);
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writeEntry("value", os);
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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makePatchTypeField
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(
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fvPatchVectorField,
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variableHeightFlowRateInletVelocityFvPatchVectorField
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);
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}
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// ************************************************************************* //
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