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162 lines
4.1 KiB
C
162 lines
4.1 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 | Copyright (C) 2012 OpenFOAM Foundation
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\\/ M anipulation |
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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 "pressureCoefficient.H"
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#include "volFields.H"
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#include "dictionary.H"
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// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
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defineTypeNameAndDebug(Foam::pressureCoefficient, 0);
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// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
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Foam::tmp<Foam::volScalarField> Foam::pressureCoefficient::rho
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(
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const volScalarField& p
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) const
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{
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if (p.dimensions() == dimPressure)
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{
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return(obr_.lookupObject<volScalarField>(rhoName_));
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}
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else
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{
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const fvMesh& mesh = refCast<const fvMesh>(obr_);
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return tmp<volScalarField>
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(
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new volScalarField
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(
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IOobject
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(
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"rho",
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mesh.time().timeName(),
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mesh
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),
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mesh,
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dimensionedScalar("rho", dimless, 1.0)
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)
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);
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}
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}
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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Foam::pressureCoefficient::pressureCoefficient
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(
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const word& name,
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const objectRegistry& obr,
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const dictionary& dict,
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const bool loadFromFiles
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)
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:
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name_(name),
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obr_(obr),
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active_(true),
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pName_("p"),
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rhoName_("rho"),
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magUinf_(0.0)
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{
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// Check if the available mesh is an fvMesh, otherwise deactivate
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if (!isA<fvMesh>(obr_))
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{
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active_ = false;
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WarningIn
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(
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"pressureCoefficient::pressureCoefficient"
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"("
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"const word&, "
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"const objectRegistry&, "
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"const dictionary&, "
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"const bool"
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")"
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) << "No fvMesh available, deactivating." << nl
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<< endl;
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}
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read(dict);
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}
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// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
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Foam::pressureCoefficient::~pressureCoefficient()
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{}
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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void Foam::pressureCoefficient::read(const dictionary& dict)
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{
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if (active_)
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{
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pName_ = dict.lookupOrDefault<word>("pName", "p");
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rhoName_ = dict.lookupOrDefault<word>("rhoName", "rho");
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dict.lookup("magUinf") >> magUinf_;
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}
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}
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void Foam::pressureCoefficient::execute()
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{
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// Do nothing - only valid on write
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}
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void Foam::pressureCoefficient::end()
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{
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// Do nothing - only valid on write
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}
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void Foam::pressureCoefficient::write()
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{
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if (active_)
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{
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const volScalarField& p = obr_.lookupObject<volScalarField>(pName_);
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volScalarField pressureCoefficient
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(
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IOobject
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(
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"pressureCoefficient",
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obr_.time().timeName(),
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obr_,
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IOobject::NO_READ
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),
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p/(0.5*rho(p)*sqr(magUinf_))
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);
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pressureCoefficient.write();
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}
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}
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// ************************************************************************* //
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