adjustTimeStepToNucleation.C

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License
    This file is part of OpenFOAM.
 
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#include "adjustTimeStepToNucleation.H"
#include "fvModels.H"
#include "Time.H"
#include "volFields.H"
#include "nucleation.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace functionObjects
{
    defineTypeNameAndDebug(adjustTimeStepToNucleation, 0);
 
    addToRunTimeSelectionTable
    (
        functionObject,
        adjustTimeStepToNucleation,
        dictionary
    );
}
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::functionObjects::adjustTimeStepToNucleation::adjustTimeStepToNucleation
(
    const word& name,
    const Time& runTime,
    const dictionary& dict
)
:
    fvMeshFunctionObject(name, runTime, dict),
    modelName_(word::null),
    maxCo_(NaN)
{
    read(dict);
}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::functionObjects::adjustTimeStepToNucleation::~adjustTimeStepToNucleation()
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
bool Foam::functionObjects::adjustTimeStepToNucleation::read
(
    const dictionary& dict
)
{
    modelName_ = dict.lookupOrDefault<word>("model", word::null);
    maxCo_ = dict.lookupOrDefault<scalar>("maxCo", 1);
 
    return true;
}
 
 
bool Foam::functionObjects::adjustTimeStepToNucleation::execute()
{
    return true;
}
 
 
bool Foam::functionObjects::adjustTimeStepToNucleation::write()
{
    return true;
}
 
 
Foam::scalar
Foam::functionObjects::adjustTimeStepToNucleation::maxDeltaT() const
{
    if (!time_.controlDict().lookupOrDefault("adjustTimeStep", false))
    {
        return vGreat;
    }
 
    const Foam::fvModels& fvModels = Foam::fvModels::New(mesh_);
 
    if (modelName_ == word::null)
    {
        bool found = false;
 
        tmp<volScalarField::Internal> tTau =
            volScalarField::Internal::New
            (
                typedName("tau"),
                mesh(),
                dimensionedScalar(dimTime, vGreat)
            );
 
        forAll(fvModels, fvModeli)
        {
            if (isA<fv::nucleation>(fvModels[fvModeli]))
            {
                found = true;
 
                const fv::nucleation& nucleationModel =
                    refCast<const fv::nucleation>(fvModels[fvModeli]);
 
                tTau = min(tTau, nucleationModel.tau());
            }
        }
 
        if (!found)
        {
            WarningInFunction
                << "No nucleation models found"
                << exit(FatalError);
        }
 
        return gMin(tTau());
    }
    else
    {
        const fv::nucleation& nucleationModel =
            refCast<const fv::nucleation>(fvModels[modelName_]);
 
        return gMin(nucleationModel.tau()());
    }
}
 
 
// ************************************************************************* //