openfoam/src/lagrangian/intermediate/submodels/Kinematic/InjectionModel/ConeInjection/ConeInjection.H

/*---------------------------------------------------------------------------*\
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    \\  /    A nd           | Copyright (C) 1991-2010 OpenCFD Ltd.
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-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.

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    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

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    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::ConeInjection

Description
    Cone injection

    - User specifies
      - time of start of injection
      - injector position
      - direction (along injection axis)
      - parcel flow rate
      - parcel velocity
      - inner and outer cone angles
    - Parcel diameters obtained by PDF model

SourceFiles
    ConeInjection.C

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

#ifndef ConeInjection_H
#define ConeInjection_H

#include "InjectionModel.H"
#include "pdf.H"

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

namespace Foam
{

// Forward declaration of classes

template<class Type>
class DataEntry;

/*---------------------------------------------------------------------------*\
                       Class ConeInjection Declaration
\*---------------------------------------------------------------------------*/

template<class CloudType>
class ConeInjection
:
    public InjectionModel<CloudType>
{
    // Private data

        //- Injection duration [s]
        const scalar duration_;

        //- Injector position [m]
        vector position_;

        //- Cell containing injector position []
        label injectorCell_;

        //- tetFace of tet containing injector position []
        label injectorTetFace_;

        //- tetPt of tet containing injector position []
        label injectorTetPt_;

        //- Injector direction []
        vector direction_;

        //- Number of parcels to introduce per second []
        const label parcelsPerSecond_;

        //- Flow rate profile relative to SOI []
        const autoPtr<DataEntry<scalar> > flowRateProfile_;

        //- Parcel velocity magnitude relative to SOI [m/s]
        const autoPtr<DataEntry<scalar> > Umag_;

        //- Inner cone angle relative to SOI [deg]
        const autoPtr<DataEntry<scalar> > thetaInner_;

        //- Outer cone angle relative to SOI [deg]
        const autoPtr<DataEntry<scalar> > thetaOuter_;

        //- Parcel size PDF model
        const autoPtr<pdfs::pdf> parcelPDF_;


        // Tangential vectors to the direction vector

            //- First tangential vector
            vector tanVec1_;

            //- Second tangential vector
            vector tanVec2_;


protected:

    // Protected Member Functions

        //- Number of parcels to introduce over the time step relative to SOI
        virtual label parcelsToInject(const scalar time0, const scalar time1);

        //- Number of parcels to introduce over the time step relative to SOI
        virtual scalar volumeToInject(const scalar time0, const scalar time1);


public:

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


    // Constructors

        //- Construct from dictionary
        ConeInjection(const dictionary& dict, CloudType& owner);

        //- Construct copy
        ConeInjection(const ConeInjection<CloudType>& im);

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


    //- Destructor
    virtual ~ConeInjection();


    // Member Functions

        //- Return the end-of-injection time
        scalar timeEnd() const;


        // Injection geometry

            //- Set the injection position and owner cell, tetFace and tetPt
            virtual void setPositionAndCell
            (
                const label parcelI,
                const label nParcels,
                const scalar time,
                vector& position,
                label& cellOwner,
                label& tetFaceI,
                label& tetPtI
            );

            //- Set the parcel properties
            virtual void setProperties
            (
                const label parcelI,
                const label nParcels,
                const scalar time,
                typename CloudType::parcelType& parcel
            );

            //- Flag to identify whether model fully describes the parcel
            virtual bool fullyDescribed() const;

            //- Return flag to identify whether or not injection of parcelI is
            //  permitted
            virtual bool validInjection(const label parcelI);
};


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

} // End namespace Foam

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

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

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

#endif

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