streamLineBase.H

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | www.openfoam.com
     \\/     M anipulation  |
-------------------------------------------------------------------------------
    Copyright (C) 2015 OpenFOAM Foundation
    Copyright (C) 2016-2022 OpenCFD Ltd.
-------------------------------------------------------------------------------
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::functionObjects::streamLineBase
 
SeeAlso
    Foam::functionObjects::streamLine
    Foam::functionObjects::wallBoundedStreamLine
 
SourceFiles
    streamLineBase.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef Foam_functionObjects_streamLineBase_H
#define Foam_functionObjects_streamLineBase_H
 
#include "fvMeshFunctionObject.H"
#include "DynamicList.H"
#include "scalarList.H"
#include "vectorList.H"
#include "coordSetWriter.H"
#include "indirectPrimitivePatch.H"
#include "interpolation.H"
#include "Enum.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// Forward Declarations
class meshSearch;
class sampledSet;
 
namespace functionObjects
{
 
/*---------------------------------------------------------------------------*\
                       Class streamLineBase Declaration
\*---------------------------------------------------------------------------*/
 
class streamLineBase
:
    public functionObjects::fvMeshFunctionObject
{
public:
 
    // Public data types
 
        //- Enumeration defining the track direction
        enum trackDirType : char
        {
            FORWARD,            
            BACKWARD,           
            BIDIRECTIONAL,      
        };
 
        //- Names for the trackDir
        static const Enum<trackDirType> trackDirTypeNames;
 
 
protected:
 
        //- Seed set engine
        mutable autoPtr<sampledSet> sampledSetPtr_;
 
        //- Axis of the sampled points to output
        mutable word sampledSetAxis_;
 
        //- Input dictionary
        dictionary dict_;
 
        //- List of fields to sample
        wordList fields_;
 
        //- Field to transport particle with
        word UName_;
 
        //- Interpolation scheme to use
        word interpolationScheme_;
 
        //- Whether to use +U, -U or both
        trackDirType trackDir_;
 
        //- Maximum lifetime (= number of cells) of particle
        label lifeTime_;
 
        //- Track length
        scalar trackLength_;
 
        //- Optional trimming of tracks
        boundBox bounds_;
 
        //- Optional specified name of particles
        word cloudName_;
 
        //- Type of seed
        word seedSet_;
 
        //- Names of scalar fields
        wordList scalarNames_;
 
        //- Names of vector fields
        wordList vectorNames_;
 
 
    // Demand Driven
 
        //- File writer for tracks data
        mutable autoPtr<coordSetWriter> trackWriterPtr_;
 
 
    // Generated Data
 
        //- All tracks. Per track the points it passed through
        DynamicList<List<point>> allTracks_;
 
        //- Per scalarField, per track, the sampled values
        List<DynamicList<scalarList>> allScalars_;
 
        //- Per vectorField, per track, the sampled values
        List<DynamicList<vectorList>> allVectors_;
 
 
    // Protected Member Functions
 
        //- The axis of the sampledSet. Creates sampledSet if required.
        const word& sampledSetAxis() const;
 
        //- Demand driven construction of the sampledSet.
        //  Also updates sampledSetAxis_
        const sampledSet& sampledSetPoints() const;
 
        //- Construct patch out of all wall patch faces
        autoPtr<indirectPrimitivePatch> wallPatch() const;
 
        //- Initialise interpolators and track storage
        //  Return velocity interpolator: standalone or part of vector
        //  interpolators
        refPtr<interpolation<vector>> initInterpolations
        (
            const label nSeeds,
            PtrList<interpolation<scalar>>& vsInterp,
            PtrList<interpolation<vector>>& vvInterp
        );
 
        //- Generate point and values by interpolating from existing values
        void storePoint
        (
            const label tracki,
 
            const scalar w,
            const label lefti,
            const label righti,
 
            DynamicList<point>& newTrack,
            DynamicList<List<scalar>>& newScalars,
            DynamicList<List<vector>>& newVectors
        ) const;
 
        //- Trim and possibly split a track
        void trimToBox
        (
            const treeBoundBox& bb,
            const label tracki,
            PtrList<DynamicList<point>>& newTracks,
            PtrList<DynamicList<scalarList>>& newScalars,
            PtrList<DynamicList<vectorList>>& newVectors
        ) const;
 
        //- Trim tracks to bounding box
        void trimToBox(const treeBoundBox& bb);
 
        //- Do the actual tracking to fill the track data
        virtual void track() = 0;
 
        //- Write tracks to file
        virtual bool writeToFile();
 
        //- Reset the field names
        virtual void resetFieldNames
        (
            const word& newUName,
            const wordList& newFieldNames
        );
 
 
public:
 
    //- Runtime type information
    TypeName("streamLineBase");
 
 
    // Constructors
 
        //- Construct for given objectRegistry and dictionary.
        //  Allow the possibility to load fields from files
        streamLineBase
        (
            const word& name,
            const Time& runTime,
            const dictionary& dict
        );
 
        //- Construct from name, Time, dictionary and list of fields to sample
        streamLineBase
        (
            const word& name,
            const Time& runTime,
            const dictionary& dict,
            const wordList& fieldNames
        );
 
 
    //- Destructor
    virtual ~streamLineBase();
 
 
    // Member Functions
 
        //- Read the field average data
        virtual bool read(const dictionary& dict);
 
        //- Execute the averaging
        virtual bool execute();
 
        //- Track and write
        virtual bool write();
 
        //- Update for changes of mesh
        virtual void updateMesh(const mapPolyMesh&);
 
        //- Update for mesh point-motion
        virtual void movePoints(const polyMesh&);
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace functionObjects
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //