adaptiveLinear.C

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    Copyright (C) 2012-2015 OpenFOAM Foundation
    Copyright (C) 2018 OpenCFD Ltd.
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#include "adaptiveLinear.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
    defineTypeNameAndDebug(adaptiveLinear, 0);
    addToRunTimeSelectionTable(relaxationModel, adaptiveLinear, dictionary);
}
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::adaptiveLinear::adaptiveLinear
(
    const dictionary& relaxationDict,
    const Time& runTime
)
:
    relaxationModel(typeName, relaxationDict, runTime),
    relaxationStart_(coeffDict().get<scalar>("relaxationStart")),
    relaxationEnd_(coeffDict().get<scalar>("relaxationEnd")),
    lastTimeValue_(runTime_.time().timeOutputValue()),
    relaxation_(relaxationStart_)
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
Foam::scalar Foam::adaptiveLinear::relaxation()
{
    if (runTime_.time().timeOutputValue() > lastTimeValue_)
    {
        scalar currentRelaxation = relaxation_;
 
        relaxation_ -=
            (relaxation_ - relaxationEnd_)
           /(
                (
                    runTime_.time().endTime().value()
                  - runTime_.time().timeOutputValue()
                )
               /(runTime_.time().timeOutputValue() - lastTimeValue_)
              + 1
            );
 
        lastTimeValue_ = runTime_.time().timeOutputValue();
 
        return currentRelaxation;
    }
 
    return relaxation_;
}
 
 
// ************************************************************************* //