GravityForce.H

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | www.openfoam.com
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    Copyright (C) 2011-2017 OpenFOAM Foundation
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.

    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
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Class
    Foam::GravityForce

Group
    grpLagrangianIntermediateForceSubModels

Description
    Calculates particle gravity force

SourceFiles
    GravityForceI.H
    GravityForce.C

\*---------------------------------------------------------------------------*/

#ifndef Foam_GravityForce_H
#define Foam_GravityForce_H

#include "ParticleForce.H"

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

namespace Foam
{

// Forward Declarations
class fvMesh;

/*---------------------------------------------------------------------------*\
                       Class GravityForce Declaration
\*---------------------------------------------------------------------------*/

template<class CloudType>
class GravityForce
:
    public ParticleForce<CloudType>
{
    // Private Data

        //- Reference to the acceleration due to gravity
        const vector& g_;


public:

    //- Runtime type information
    TypeName("gravity");


    // Constructors

        //- Construct from mesh
        GravityForce
        (
            CloudType& owner,
            const fvMesh& mesh,
            const dictionary& dict
        );

        //- Construct copy
        GravityForce(const GravityForce& gf);

        //- Construct and return a clone
        virtual autoPtr<ParticleForce<CloudType>> clone() const
        {
            return autoPtr<ParticleForce<CloudType>>
            (
                new GravityForce<CloudType>(*this)
            );
        }


    //- Destructor
    virtual ~GravityForce();


    // Member Functions

    // Access

        //- Return the acceleration due to gravity
        const vector& g() const noexcept { return g_; }


        // Evaluation

            //- Calculate the non-coupled force
            virtual forceSuSp calcNonCoupled
            (
                const typename CloudType::parcelType& p,
                const typename CloudType::parcelType::trackingData& td,
                const scalar dt,
                const scalar mass,
                const scalar Re,
                const scalar muc
            ) const;
};


// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

} // End namespace Foam

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

#ifdef NoRepository
    #include "GravityForce.C"
#endif

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

#endif

// ************************************************************************* //