turbulenceIntensity.C

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    \\  /    A nd           | Copyright (C) 2018-2022 OpenFOAM Foundation
     \\/     M anipulation  |
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License
    This file is part of OpenFOAM.
 
    OpenFOAM is free software: you can redistribute it and/or modify it
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    the Free Software Foundation, either version 3 of the License, or
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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
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#include "turbulenceIntensity.H"
#include "momentumTransportModel.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace functionObjects
{
    defineTypeNameAndDebug(turbulenceIntensity, 0);
 
    addToRunTimeSelectionTable
    (
        functionObject,
        turbulenceIntensity,
        dictionary
    );
}
}
 
 
// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
void Foam::functionObjects::turbulenceIntensity::writeFileHeader(const label i)
{
    writeHeader(file(), "I ()");
    writeCommented(file(), "Time");
    writeTabbed(file(), "min");
    writeTabbed(file(), "max");
    writeTabbed(file(), "average");
    file() << endl;
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::functionObjects::turbulenceIntensity::turbulenceIntensity
(
    const word& name,
    const Time& runTime,
    const dictionary& dict
)
:
    fvMeshFunctionObject(name, runTime, dict),
    logFiles(obr_, name),
    writeLocalObjects(obr_, log)
{
    read(dict);
}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::functionObjects::turbulenceIntensity::~turbulenceIntensity()
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
bool Foam::functionObjects::turbulenceIntensity::read(const dictionary& dict)
{
    fvMeshFunctionObject::read(dict);
    writeLocalObjects::read(dict);
 
    resetName(typeName);
    resetLocalObjectName("I");
 
    return true;
}
 
 
bool Foam::functionObjects::turbulenceIntensity::execute()
{
    if (mesh_.foundType<momentumTransportModel>())
    {
        const momentumTransportModel& turbModel =
            mesh_.lookupType<momentumTransportModel>();
 
        volScalarField uPrime(sqrt((2.0/3.0)*turbModel.k()));
 
        word name("I");
 
        return
            store
            (
                name,
                uPrime
               /max
                (
                    max(uPrime, mag(turbModel.U())),
                    dimensionedScalar(dimVelocity, small)
                )
            );
    }
    else
    {
        FatalErrorInFunction
            << "Unable to find turbulence model in the "
            << "database" << exit(FatalError);
 
        return false;
    }
}
 
 
bool Foam::functionObjects::turbulenceIntensity::write()
{
    Log << type() << " " << name() << " write:" << nl;
 
    writeLocalObjects::write();
 
    logFiles::write();
 
    const volScalarField& turbulenceIntensity =
        mesh_.lookupObject<volScalarField>("I");
 
    const scalar minTurbulenceIntensity = min(turbulenceIntensity).value();
    const scalar maxTurbulenceIntensity = max(turbulenceIntensity).value();
    const scalar avgTurbulenceIntensity = turbulenceIntensity.average().value();
 
    if (Pstream::master())
    {
        Log << "    I : min = " << minTurbulenceIntensity
            << ", max = " << maxTurbulenceIntensity
            << ", average = " << avgTurbulenceIntensity << nl;
 
        writeTime(file());
        file()
            << tab << minTurbulenceIntensity
            << tab << maxTurbulenceIntensity
            << tab << avgTurbulenceIntensity
            << endl;
    }
 
    Log << endl;
 
    return true;
}
 
 
// ************************************************************************* //