cloud.H

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/*---------------------------------------------------------------------------*\
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    Copyright (C) 2011-2016 OpenFOAM Foundation
    Copyright (C) 2016-2024 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::cloud
 
Description
    A cloud is a registry collection of lagrangian particles.
 
SourceFiles
    cloud.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef Foam_cloud_H
#define Foam_cloud_H
 
#include "objectRegistry.H"
#include "Enum.H"
#include "point.H"
#include "IOField.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// Forward Declarations
class mapPolyMesh;
 
/*---------------------------------------------------------------------------*\
                            Class cloud Declaration
\*---------------------------------------------------------------------------*/
 
class cloud
:
    public objectRegistry
{
public:
 
    //- Cloud geometry type (internal or IO representations)
    enum class geometryType
    {
        COORDINATES,    
        POSITIONS       
    };
 
    //- Named enumerations "coordinates", "positions"
    static const Enum<geometryType> geometryTypeNames;
 
 
    // Static Data Members
 
        //- The prefix to local: %lagrangian
        static const word prefix;
 
        //- The default cloud name: %defaultCloud
        static word defaultName;
 
 
    //- Runtime type information
    TypeName("cloud");
 
 
    // Generated Methods
 
        //- No copy construct
        cloud(const cloud&) = delete;
 
        //- No copy assignment
        void operator=(const cloud&) = delete;
 
 
    // Constructors
 
        //- Construct for given objectRegistry. Uses default cloud name
        explicit cloud(const objectRegistry& obr);
 
        //- Construct for given objectRegistry and named cloud
        cloud(const objectRegistry& obr, const word& cloudName);
 
 
    //- Destructor
    virtual ~cloud() = default;
 
 
    // Member Functions
 
        // Sizes
 
            //- Number of parcels for the hosting cloud
            virtual label nParcels() const;
 
 
        // Edit
 
            //- Remap the cells of particles corresponding to the
            //- mesh topology change
            virtual void autoMap(const mapPolyMesh&);
 
 
        // I-O
 
            //- Read particle fields from objects in the obr registry
            virtual void readObjects(const objectRegistry& obr);
 
            //- Write particle fields as objects into the obr registry
            virtual void writeObjects(objectRegistry& obr) const;
 
            //- Helper to construct IOField on a supplied object registry
            template<class Type>
            static IOField<Type>& createIOField
            (
                const word& fieldName,
                const label nParticle,
                objectRegistry& obr
            );
 
            //- Locate an IOField within object registry
            //  \return nullptr if not found or wrong type
            template<class Type>
            static const IOField<Type>* findIOField
            (
                const word& fieldName,
                const objectRegistry& obr
            )
            {
                return obr.cfindObject<IOField<Type>>(fieldName);
            }
 
            //- Locate the "position" IOField within object registry
            //  \return nullptr if not found or wrong type
            static const IOField<point>* findIOPosition
            (
                const objectRegistry& obr
            )
            {
                return obr.cfindObject<IOField<point>>("position");
            }
 
            //- Lookup an IOField within object registry
            //  Fatal if not found or wrong type
            template<class Type>
            static const IOField<Type>& lookupIOField
            (
                const word& fieldName,
                const objectRegistry& obr
            )
            {
                return obr.lookupObject<IOField<Type>>(fieldName);
            }
 
            //- Lookup an IOField within object registry
            //  Fatal if not found or wrong type
            //
            //  Note: const char signature to avoid spurious
            //  -Wdangling-reference with gcc-13
            template<class Type>
            static const IOField<Type>& lookupIOField
            (
                const char* fieldName,
                const objectRegistry& obr
            )
            {
                return obr.lookupObject<IOField<Type>>(word(fieldName));
            }
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#ifdef NoRepository
    #include "cloudTemplates.C"
#endif
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //