/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2011-2016 OpenFOAM Foundation
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-------------------------------------------------------------------------------
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
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.

    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.

Class
    Foam::NonInertialFrameForce

Description
    Calculates particle non-inertial reference frame force.  Variable names as
    from Landau and Lifshitz, Mechanics, 3rd Ed, p126-129.

SourceFiles
    NonInertialFrameForce.C

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

#ifndef NonInertialFrameForce_H
#define NonInertialFrameForce_H

#include "ParticleForce.H"

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

namespace Foam
{

class fvMesh;

/*---------------------------------------------------------------------------*\
                  Class NonInertialFrameForce Declaration
\*---------------------------------------------------------------------------*/

template<class CloudType>
class NonInertialFrameForce
:
    public ParticleForce<CloudType>
{
    // Private data

        //- Name of the linear acceleration field
        word WName_;

        //- The linear acceleration of the reference frame
        vector W_;

        //- Name of the angular velocity field
        word omegaName_;

        //- The angular velocity of the reference frame
        vector omega_;

        //- Name of the angular acceleration field
        word omegaDotName_;

        //- The angular acceleration of the reference frame
        vector omegaDot_;

        //- Name of the centre of rotation field
        word centreOfRotationName_;

        //- The centre of rotation of the reference frame
        vector centreOfRotation_;


public:

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


    // Constructors

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

        //- Construct copy
        NonInertialFrameForce(const NonInertialFrameForce& niff);

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


    //- Destructor
    virtual ~NonInertialFrameForce();


    // Member Functions

        // Access

            //- Return the linear acceleration of the reference frame
            inline const vector& W() const;

            //- Return the angular velocity of the reference frame
            inline const vector& omega() const;

            //- Return the angular acceleration of the reference frame
            inline const vector& omegaDot() const;

            //- Return the centre of rotation of the reference frame
            inline const vector& centreOfRotation() const;


        // Evaluation

            //- Cache fields
            virtual void cacheFields(const bool store);

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


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

} // End namespace Foam

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

#include "NonInertialFrameForceI.H"

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

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

#endif

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