DSMCParcel.H

Go to the documentation of this file.

/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     | Website:  https://openfoam.org
    \\  /    A nd           | Copyright (C) 2011-2023 OpenFOAM Foundation
     \\/     M anipulation  |
-------------------------------------------------------------------------------
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::DSMCParcel
 
Description
    DSMC parcel class
 
SourceFiles
    DSMCParcelI.H
    DSMCParcel.C
    DSMCParcelIO.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef DSMCParcel_H
#define DSMCParcel_H
 
#include "particle.H"
#include "IOstream.H"
#include "autoPtr.H"
#include "contiguous.H"
#include "DSMCCloud.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
template<class ParcelType>
class DSMCParcel;
 
// Forward declaration of friend functions
 
template<class ParcelType>
Ostream& operator<<
(
    Ostream&,
    const DSMCParcel<ParcelType>&
);
 
/*---------------------------------------------------------------------------*\
                         Class DSMCParcel Declaration
\*---------------------------------------------------------------------------*/
 
template<class ParcelType>
class DSMCParcel
:
    public ParcelType
{
    // Private member data
 
        //- Size in bytes of the fields
        static const std::size_t sizeofFields_;
 
 
public:
 
    //- Class to hold DSMC particle constant properties
    class constantProperties
    {
        // Private Data
 
            //- Particle mass [kg] (constant)
            scalar mass_;
 
            //- Particle hard sphere diameter [m] (constant)
            scalar d_;
 
            //- Internal degrees of freedom
            direction internalDegreesOfFreedom_;
 
            //- Viscosity index
            scalar omega_;
 
 
    public:
 
        // Constructors
 
            //- Null constructor, allows List of constantProperties to be
            //  created before the contents is initialised
            inline constantProperties();
 
            //- Constructor from dictionary
            inline constantProperties(const dictionary& dict);
 
 
        // Member Functions
 
            //- Return const access to the particle mass [kg]
            inline scalar mass() const;
 
            //- Return const access to the hard sphere diameter [m]
            inline scalar d() const;
 
            //- Return the reference total collision cross section
            inline scalar sigmaT() const;
 
            //- Return the internalDegreesOfFreedom
            inline direction internalDegreesOfFreedom() const;
 
            //- Return the viscosity index
            inline scalar omega() const;
 
    };
 
 
    //- Use base tracking data
    typedef typename ParcelType::trackingData trackingData;
 
 
protected:
 
    // Protected member data
 
        // Parcel properties
 
            //- Velocity of Parcel [m/s]
            vector U_;
 
            //- Internal energy of the Parcel, covering all non-translational
            //  degrees of freedom [J]
            scalar Ei_;
 
            //- Parcel type id
            label typeId_;
 
 
public:
 
    //- Runtime type information
    TypeName("DSMCParcel");
 
    friend class Cloud<ParcelType>;
 
 
    // Constructors
 
        //- Construct from a position and a cell, searching for the rest of the
        //  required topology
        inline DSMCParcel
        (
            const polyMesh& mesh,
            const vector& position,
            const label celli,
            label& nLocateBoundaryHits,
            const vector& U,
            const scalar Ei,
            const label typeId
        );
 
        //- Construct from Istream
        DSMCParcel(Istream& is, bool readFields = true);
 
        //- Construct and return a clone
        virtual autoPtr<particle> clone() const
        {
            return autoPtr<particle>(new DSMCParcel<ParcelType>(*this));
        }
 
        //- Construct from Istream and return
        static autoPtr<DSMCParcel> New(Istream& is)
        {
            return autoPtr<DSMCParcel>(new DSMCParcel(is));
        }
 
 
    // Member Functions
 
        // Access
 
            //- Return type id
            inline label typeId() const;
 
            //- Return const access to velocity
            inline const vector& U() const;
 
            //- Return const access to internal energy
            inline scalar Ei() const;
 
 
        // Edit
 
            //- Return access to velocity
            inline vector& U();
 
            //- Return access to internal energy
            inline scalar& Ei();
 
 
        // Main calculation loop
 
            // Tracking
 
                //- Move the parcel
                template<class TrackCloudType>
                bool move(TrackCloudType& cloud, trackingData& td);
 
 
        // Patch interactions
 
            //- Overridable function to handle the particle hitting a wallPatch
            template<class TrackCloudType>
            void hitWallPatch(TrackCloudType&, trackingData&);
 
            //- Transform the physical properties of the particle
            //  according to the given transformation tensor
            virtual void transformProperties(const transformer&);
 
 
        // I-O
 
            static void readFields(Cloud<DSMCParcel<ParcelType>>& c);
 
            static void writeFields(const Cloud<DSMCParcel<ParcelType>>& c);
 
 
    // Ostream Operator
 
        friend Ostream& operator<< <ParcelType>
        (
            Ostream&,
            const DSMCParcel<ParcelType>&
        );
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#include "DSMCParcelI.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#ifdef NoRepository
    #include "DSMCParcel.C"
#endif
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //