cosineWallDamping.C

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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    \\  /    A nd           | Copyright (C) 2015 OpenFOAM Foundation
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License
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#include "cosineWallDamping.H"
#include "phasePair.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace wallDampingModels
{
    defineTypeNameAndDebug(cosine, 0);
    addToRunTimeSelectionTable
    (
        wallDampingModel,
        cosine,
        dictionary
    );
}
}
 
 
// * * * * * * * * * * * * Protected Member Functions  * * * * * * * * * * * //
 
Foam::tmp<Foam::volScalarField>
Foam::wallDampingModels::cosine::limiter() const
{
    return
    (
        0.5*
        (
            1
          - cos
            (
                constant::mathematical::pi
               *min(yWall()/(Cd_*pair_.dispersed().d()), scalar(1))
            )
        )
    );
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::wallDampingModels::cosine::cosine
(
    const dictionary& dict,
    const phasePair& pair
)
:
    interpolated(dict, pair),
    Cd_("Cd", dimless, dict)
{}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::wallDampingModels::cosine::~cosine()
{}
 
 
// ************************************************************************* //