KinematicParcel.H

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/*---------------------------------------------------------------------------*\
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    Copyright (C) 2011-2017 OpenFOAM Foundation
    Copyright (C) 2016-2019 OpenCFD Ltd.
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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::KinematicParcel
 
Group
    grpLagrangianIntermediateParcels
 
Description
    Kinematic parcel class with rotational motion (as spherical
    particles only) and one/two-way coupling with the continuous
    phase.
 
    Sub-models include:
    - drag
    - turbulent dispersion
    - wall interactions
 
SourceFiles
    KinematicParcelI.H
    KinematicParcel.C
    KinematicParcelIO.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef KinematicParcel_H
#define KinematicParcel_H
 
#include "particle.H"
#include "IOstream.H"
#include "autoPtr.H"
#include "interpolation.H"
#include "demandDrivenEntry.H"
 
// #include "ParticleForceList.H" // TODO
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
template<class ParcelType>
class KinematicParcel;
 
// Forward declaration of friend functions
 
template<class ParcelType>
Ostream& operator<<
(
    Ostream&,
    const KinematicParcel<ParcelType>&
);
 
/*---------------------------------------------------------------------------*\
                         Class KinematicParcel Declaration
\*---------------------------------------------------------------------------*/
 
template<class ParcelType>
class KinematicParcel
:
    public ParcelType
{
    // Private data
 
        //- Number of particle tracking attempts before we assume that it stalls
        static label maxTrackAttempts;
 
public:
 
    //- Size in bytes of the fields
    static const std::size_t sizeofFields;
 
 
    //- Class to hold kinematic particle constant properties
    class constantProperties
    {
    protected:
 
        // Protected data
 
            //- Constant properties dictionary
            const dictionary dict_;
 
 
    private:
 
        // Private data
 
            //- Parcel type id - used for post-processing to flag the type
            //- of parcels issued by this cloud
            demandDrivenEntry<label> parcelTypeId_;
 
            //- Minimum density [kg/m3]
            demandDrivenEntry<scalar> rhoMin_;
 
            //- Particle density [kg/m3] (constant)
            demandDrivenEntry<scalar> rho0_;
 
            //- Minimum parcel mass [kg]
            demandDrivenEntry<scalar> minParcelMass_;
 
 
    public:
 
        // Constructors
 
            //- Null constructor
            constantProperties();
 
            //- Copy constructor
            constantProperties(const constantProperties& cp);
 
            //- Construct from dictionary
            constantProperties(const dictionary& parentDict);
 
 
        // Member functions
 
            //- Return const access to the constant properties dictionary
            inline const dictionary& dict() const;
 
            //- Return const access to the parcel type id
            inline label parcelTypeId() const;
 
            //- Return const access to the minimum density
            inline scalar rhoMin() const;
 
            //- Return const access to the particle density
            inline scalar rho0() const;
 
            //- Return const access to the minimum parcel mass
            inline scalar minParcelMass() const;
    };
 
 
    class trackingData
    :
        public ParcelType::trackingData
    {
    public:
 
        enum trackPart
        {
            tpVelocityHalfStep,
            tpLinearTrack,
            tpRotationalTrack
        };
 
 
    private:
 
        // Private data
 
            // Interpolators for continuous phase fields
 
                //- Density interpolator
                autoPtr<interpolation<scalar>> rhoInterp_;
 
                //- Velocity interpolator
                autoPtr<interpolation<vector>> UInterp_;
 
                //- Dynamic viscosity interpolator
                autoPtr<interpolation<scalar>> muInterp_;
 
 
            // Cached continuous phase properties
 
                //- Density [kg/m3]
                scalar rhoc_;
 
                //- Velocity [m/s]
                vector Uc_;
 
                //- Viscosity [Pa.s]
                scalar muc_;
 
 
            //- Local gravitational or other body-force acceleration
            const vector& g_;
 
            //- label specifying which part of the integration
            //- algorithm is taking place
            trackPart part_;
 
 
    public:
 
        // Constructors
 
            //- Construct from components
            template <class TrackCloudType>
            inline trackingData
            (
                const TrackCloudType& cloud,
                trackPart part = tpLinearTrack
            );
 
 
        // Member functions
 
            //- Return const access to the interpolator for continuous
            //- phase density field
            inline const interpolation<scalar>& rhoInterp() const;
 
            //- Return const access to the interpolator for continuous
            //- phase velocity field
            inline const interpolation<vector>& UInterp() const;
 
            //- Return const access to the interpolator for continuous
            //- phase dynamic viscosity field
            inline const interpolation<scalar>& muInterp() const;
 
            //- Return the continuous phase density
            inline scalar rhoc() const;
 
            //- Access the continuous phase density
            inline scalar& rhoc();
 
            //- Return the continuous phase velocity
            inline const vector& Uc() const;
 
            //- Access the continuous phase velocity
            inline vector& Uc();
 
            //- Return the continuous phase viscosity
            inline scalar muc() const;
 
            //- Access the continuous phase viscosity
            inline scalar& muc();
 
            // Return const access to the gravitational acceleration vector
            inline const vector& g() const;
 
            //- Return the part of the tracking operation taking place
            inline trackPart part() const;
 
            //- Return access to the part of the tracking operation taking place
            inline trackPart& part();
    };
 
 
protected:
 
    // Protected data
 
        // Parcel properties
 
            //- Active flag - tracking inactive when active = false
            //  Store as label for data alignment, but only has bool states
            label active_;
 
            //- Parcel type id
            label typeId_;
 
            //- Number of particles in Parcel
            scalar nParticle_;
 
            //- Diameter [m]
            scalar d_;
 
            //- Target diameter [m]
            scalar dTarget_;
 
            //- Velocity of Parcel [m/s]
            vector U_;
 
            //- Density [kg/m3]
            scalar rho_;
 
            //- Age [s]
            scalar age_;
 
            //- Time spent in turbulent eddy [s]
            scalar tTurb_;
 
            //- Turbulent velocity fluctuation [m/s]
            vector UTurb_;
 
 
    // Protected Member Functions
 
        //- Calculate new particle velocity
        template<class TrackCloudType>
        const vector calcVelocity
        (
            TrackCloudType& cloud,
            trackingData& td,
            const scalar dt,           // timestep
            const scalar Re,           // Reynolds number
            const scalar mu,           // local carrier viscosity
            const scalar mass,         // mass
            const vector& Su,          // explicit particle momentum source
            vector& dUTrans,           // momentum transfer to carrier
            scalar& Spu                // linearised drag coefficient
        ) const;
 
 
public:
 
    // Static data members
 
        //- Runtime type information
        TypeName("KinematicParcel");
 
        //- String representation of properties
        AddToPropertyList
        (
            ParcelType,
            " active"
          + " typeId"
          + " nParticle"
          + " d"
          + " dTarget"
          + " (Ux Uy Uz)"
          + " rho"
          + " age"
          + " tTurb"
          + " (UTurbx UTurby UTurbz)"
        );
 
 
    // Constructors
 
        //- Construct from mesh, coordinates and topology
        //  Other properties initialised as null
        inline KinematicParcel
        (
            const polyMesh& mesh,
            const barycentric& coordinates,
            const label celli,
            const label tetFacei,
            const label tetPti
        );
 
        //- Construct from a position and a cell, searching for the rest of the
        //  required topology. Other properties are initialised as null.
        inline KinematicParcel
        (
            const polyMesh& mesh,
            const vector& position,
            const label celli
        );
 
        //- Construct from components
        inline KinematicParcel
        (
            const polyMesh& mesh,
            const barycentric& coordinates,
            const label celli,
            const label tetFacei,
            const label tetPti,
            const label typeId,
            const scalar nParticle0,
            const scalar d0,
            const scalar dTarget0,
            const vector& U0,
            const constantProperties& constProps
        );
 
        //- Construct from Istream
        KinematicParcel
        (
            const polyMesh& mesh,
            Istream& is,
            bool readFields = true,
            bool newFormat = true
        );
 
        //- Construct as a copy
        KinematicParcel(const KinematicParcel& p);
 
        //- Construct as a copy
        KinematicParcel(const KinematicParcel& p, const polyMesh& mesh);
 
        //- Construct and return a (basic particle) clone
        virtual autoPtr<particle> clone() const
        {
            return autoPtr<particle>(new KinematicParcel(*this));
        }
 
        //- Construct and return a (basic particle) clone
        virtual autoPtr<particle> clone(const polyMesh& mesh) const
        {
            return autoPtr<particle>(new KinematicParcel(*this, mesh));
        }
 
        //- Factory class to read-construct particles used for
        //  parallel transfer
        class iNew
        {
            const polyMesh& mesh_;
 
        public:
 
            iNew(const polyMesh& mesh)
            :
                mesh_(mesh)
            {}
 
            autoPtr<KinematicParcel<ParcelType>> operator()(Istream& is) const
            {
                return autoPtr<KinematicParcel<ParcelType>>
                (
                    new KinematicParcel<ParcelType>(mesh_, is, true)
                );
            }
        };
 
 
    // Member Functions
 
        // Access
 
            //- Return const access to active flag
            inline bool active() const;
 
            //- Return const access to type id
            inline label typeId() const;
 
            //- Return const access to number of particles
            inline scalar nParticle() const;
 
            //- Return const access to diameter
            inline scalar d() const;
 
            //- Return const access to target diameter
            inline scalar dTarget() const;
 
            //- Return const access to velocity
            inline const vector& U() const;
 
            //- Return const access to density
            inline scalar rho() const;
 
            //- Return const access to the age
            inline scalar age() const;
 
            //- Return const access to time spent in turbulent eddy
            inline scalar tTurb() const;
 
            //- Return const access to turbulent velocity fluctuation
            inline const vector& UTurb() const;
 
 
        // Edit
 
            //- Set active flag to the specified state
            inline void active(const bool state);
 
            //- Return access to type id
            inline label& typeId();
 
            //- Return access to number of particles
            inline scalar& nParticle();
 
            //- Return access to diameter
            inline scalar& d();
 
            //- Return access to target diameter
            inline scalar& dTarget();
 
            //- Return access to velocity
            inline vector& U();
 
            //- Return access to density
            inline scalar& rho();
 
            //- Return access to the age
            inline scalar& age();
 
            //- Return access to time spent in turbulent eddy
            inline scalar& tTurb();
 
            //- Return access to turbulent velocity fluctuation
            inline vector& UTurb();
 
 
        // Helper functions
 
            //- Cell owner mass
            inline scalar massCell(const trackingData& td) const;
 
            //- Particle mass
            inline scalar mass() const;
 
            //- Particle moment of inertia around diameter axis
            inline scalar momentOfInertia() const;
 
            //- Particle volume
            inline scalar volume() const;
 
            //- Particle volume for a given diameter
            inline static scalar volume(const scalar d);
 
            //- Particle projected area
            inline scalar areaP() const;
 
            //- Projected area for given diameter
            inline static scalar areaP(const scalar d);
 
            //- Particle surface area
            inline scalar areaS() const;
 
            //- Surface area for given diameter
            inline static scalar areaS(const scalar d);
 
            //- Reynolds number
            inline scalar Re(const trackingData& td) const;
 
            //- Reynolds number for given conditions
            inline static scalar Re
            (
                const scalar rhoc,
                const vector& U,
                const vector& Uc,
                const scalar d,
                const scalar muc
            );
 
            //- Weber number
            inline scalar We
            (
                const trackingData& td,
                const scalar sigma
            ) const;
 
            //- Weber number for given conditions
            inline static scalar We
            (
                const scalar rhoc,
                const vector& U,
                const vector& Uc,
                const scalar d,
                const scalar sigma
            );
 
            //- Eotvos number
            inline scalar Eo
            (
                const trackingData& td,
                const scalar sigma
            ) const;
 
            //- Eotvos number for given conditions
            inline static scalar Eo
            (
                const vector& g,
                const scalar rho,
                const scalar rhoc,
                const vector& U,
                const scalar d,
                const scalar sigma
            );
 
 
        // Main calculation loop
 
            //- Set cell values
            template<class TrackCloudType>
            void setCellValues(TrackCloudType& cloud, trackingData& td);
 
            //- Apply dispersion to the carrier phase velocity and update
            //  parcel turbulence parameters
            template<class TrackCloudType>
            void calcDispersion
            (
                TrackCloudType& cloud,
                trackingData& td,
                const scalar dt
            );
 
            //- Correct cell values using latest transfer information
            template<class TrackCloudType>
            void cellValueSourceCorrection
            (
                TrackCloudType& cloud,
                trackingData& td,
                const scalar dt
            );
 
            //- Update parcel properties over the time interval
            template<class TrackCloudType>
            void calc
            (
                TrackCloudType& cloud,
                trackingData& td,
                const scalar dt
            );
 
 
        // Tracking
 
            //- Move the parcel
            template<class TrackCloudType>
            bool move
            (
                TrackCloudType& cloud,
                trackingData& td,
                const scalar trackTime
            );
 
 
        // Patch interactions
 
            //- Overridable function to handle the particle hitting a patch
            //  Executed before other patch-hitting functions
            template<class TrackCloudType>
            bool hitPatch(TrackCloudType& cloud, trackingData& td);
 
            //- Overridable function to handle the particle hitting a
            //  processorPatch
            template<class TrackCloudType>
            void hitProcessorPatch(TrackCloudType& cloud, trackingData& td);
 
            //- Overridable function to handle the particle hitting a wallPatch
            template<class TrackCloudType>
            void hitWallPatch(TrackCloudType& cloud, trackingData& td);
 
            //- Transform the physical properties of the particle
            //  according to the given transformation tensor
            virtual void transformProperties(const tensor& T);
 
            //- Transform the physical properties of the particle
            //  according to the given separation vector
            virtual void transformProperties(const vector& separation);
 
 
        // I-O
 
            //- Read
            template<class TrackCloudType>
            static void readFields(TrackCloudType& c);
 
            //- Write
            template<class TrackCloudType>
            static void writeFields(const TrackCloudType& c);
 
            //- Write individual parcel properties to stream
            void writeProperties
            (
                Ostream& os,
                const wordRes& filters,
                const word& delim,
                const bool namesOnly = false
            ) const;
 
            //- Read particle fields as objects from the obr registry
            template<class CloudType>
            static void readObjects(CloudType& c, const objectRegistry& obr);
 
            //- Write particle fields as objects into the obr registry
            template<class CloudType>
            static void writeObjects(const CloudType& c, objectRegistry& obr);
 
 
    // Ostream Operator
 
        friend Ostream& operator<< <ParcelType>
        (
            Ostream&,
            const KinematicParcel<ParcelType>&
        );
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#include "KinematicParcelI.H"
#include "KinematicParcelTrackingDataI.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#ifdef NoRepository
    #include "KinematicParcel.C"
#endif
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //