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130 lines
3.7 KiB
C
130 lines
3.7 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) 2013-2016 OpenFOAM Foundation
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Copyright (C) 2020-2025 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 "CourantNo.H"
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#include "surfaceFields.H"
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#include "fvcSurfaceIntegrate.H"
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#include "addToRunTimeSelectionTable.H"
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// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
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namespace Foam
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{
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namespace functionObjects
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{
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defineTypeNameAndDebug(CourantNo, 0);
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addToRunTimeSelectionTable(functionObject, CourantNo, dictionary);
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}
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}
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// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
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bool Foam::functionObjects::CourantNo::calc()
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{
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if (foundObject<surfaceScalarField>(fieldName_))
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{
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const auto& phi = lookupObject<surfaceScalarField>(fieldName_);
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tmp<volScalarField::Internal> tCo
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(
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(0.5*mesh_.time().deltaT())
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* fvc::surfaceSum(Foam::mag(phi))().internalField()
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/ mesh_.V()
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);
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if (tCo().dimensions() == dimDensity)
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{
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tCo.ref() /= obr_.lookupObject<volScalarField>(rhoName_);
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}
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auto* resultPtr = getObjectPtr<volScalarField>(resultName_);
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if (!resultPtr)
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{
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resultPtr = new volScalarField
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(
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IOobject
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(
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resultName_,
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mesh_.time().timeName(),
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mesh_.thisDb(),
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IOobject::NO_READ,
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IOobject::NO_WRITE,
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IOobject::REGISTER
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),
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mesh_,
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dimensionedScalar(dimless, Zero),
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fvPatchFieldBase::zeroGradientType()
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);
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regIOobject::store(resultPtr);
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}
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auto& result = *resultPtr;
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result.internalFieldRef() = tCo;
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result.correctBoundaryConditions();
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return true;
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}
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return false;
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}
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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Foam::functionObjects::CourantNo::CourantNo
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(
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const word& name,
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const Time& runTime,
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const dictionary& dict
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)
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:
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fieldExpression(name, runTime, dict, "phi"),
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rhoName_("rho")
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{
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setResultName("Co", "phi");
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read(dict);
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}
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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bool Foam::functionObjects::CourantNo::read(const dictionary& dict)
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{
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fieldExpression::read(dict);
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rhoName_ = dict.getOrDefault<word>("rho", "rho");
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return true;
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}
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// ************************************************************************* //
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