gravitationalContactAngle.C

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License
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#include "gravitationalContactAngle.H"
#include "unitConversion.H"
#include "uniformDimensionedFields.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace contactAngleModels
{
    defineTypeNameAndDebug(gravitational, 0);
    addToRunTimeSelectionTable(contactAngleModel, gravitational, dictionary);
}
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::contactAngleModels::gravitational::gravitational(const dictionary& dict)
:
    theta0_(dict.lookup<scalar>("theta0")),
    gTheta_(dict.lookup<scalar>("gTheta")),
    thetaAdv_(dict.lookup<scalar>("thetaAdv")),
    thetaRec_(dict.lookup<scalar>("thetaRec"))
{}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::contactAngleModels::gravitational::~gravitational()
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
Foam::tmp<Foam::scalarField>
Foam::contactAngleModels::gravitational::cosTheta
(
    const fvPatchVectorField& Up,
    const vectorField& nHat
) const
{
    const uniformDimensionedVectorField& g =
        Up.db().lookupObject<uniformDimensionedVectorField>("g");
 
    const scalarField uCoeff(tanh((nHat & g.value())/gTheta_));
 
    return cos
    (
        degToRad(theta0_)
      + degToRad(thetaRec_ - theta0_)*max(uCoeff, scalar(0))
      - degToRad(thetaAdv_ - theta0_)*min(uCoeff, scalar(0))
    );
}
 
 
void Foam::contactAngleModels::gravitational::write(Ostream& os) const
{
    writeEntry(os, "theta0", theta0_);
    writeEntry(os, "gTheta", gTheta_);
    writeEntry(os, "thetaAdv", thetaAdv_);
    writeEntry(os, "thetaRec", thetaRec_);
}
 
 
// ************************************************************************* //