thermocapillaryForce.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2011-2014 OpenFOAM Foundation
     \\/     M anipulation  |
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License
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#include "thermocapillaryForce.H"
#include "addToRunTimeSelectionTable.H"
#include "fvcGrad.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace regionModels
{
namespace surfaceFilmModels
{
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
defineTypeNameAndDebug(thermocapillaryForce, 0);
addToRunTimeSelectionTable(force, thermocapillaryForce, dictionary);
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
thermocapillaryForce::thermocapillaryForce
(
    surfaceFilmModel& owner,
    const dictionary& dict
)
:
    force(owner)
{}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
thermocapillaryForce::~thermocapillaryForce()
{}
 
 
// * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * * //
 
tmp<fvVectorMatrix> thermocapillaryForce::correct(volVectorField& U)
{
    const volScalarField& alpha = owner_.alpha();
    const volScalarField& sigma = owner_.sigma();
 
    tmp<fvVectorMatrix>
        tfvm(new fvVectorMatrix(U, dimForce/dimArea*dimVolume));
 
    tfvm() += alpha*fvc::grad(sigma);
 
    return tfvm;
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace surfaceFilmModels
} // End namespace regionModels
} // End namespace Foam
 
// ************************************************************************* //