displacementPointSmoothingMotionSolver.H

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/*---------------------------------------------------------------------------*\
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    Copyright (C) 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
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    for more details.
 
    You should have received a copy of the GNU General Public License
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Class
    Foam::displacementPointSmoothingMotionSolver
 
Description
    Quality-based under-relaxation for run-time selectable point smoothing.
 
SourceFiles
    displacementPointSmoothingMotionSolver.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef displacementPointSmoothingMotionSolver_H
#define displacementPointSmoothingMotionSolver_H
 
#include "displacementMotionSolver.H"
#include "pointSmoother.H"
#include "polyMeshGeometry.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
            Class displacementPointSmoothingMotionSolver Declaration
\*---------------------------------------------------------------------------*/
 
class displacementPointSmoothingMotionSolver
:
    public displacementMotionSolver
{
protected:
 
    // Protected Data
 
        //- Part-updatable mesh geometry
        polyMeshGeometry meshGeometry_;
 
        //- Point smoothing method
        autoPtr<pointSmoother> pointSmoother_;
 
        //- Number of point smoother iterations per timestep
        const label nPointSmootherIter_;
 
 
        // Mesh quality based relaxation of smoothed position
 
            //- Relaxation factors to use in each iteration
            scalarList relaxationFactors_;
 
            //- Relaxed point field
            pointField relaxedPoints_;
 
            //- Set of the faces which are to be moved
            labelHashSet facesToMove_;
 
            //- Mesh quality dictionary
            dictionary meshQualityDict_;
 
 
    // Private Member Functions
 
        //- Mark affected faces
        void markAffectedFaces
        (
            const labelHashSet& changedFaces,
            labelHashSet& affectedFaces
        );
 
        //- Relax the points
        bool relax();
 
        //- Set all the faces to be moved
        void virtual setFacesToMove(const dictionary&);
 
 
public:
 
    //- Runtime type information
    TypeName("displacementPointSmoothing");
 
 
    // Constructors
 
        //- Construct from a polyMesh and an IOdictionary
        displacementPointSmoothingMotionSolver
        (
            const polyMesh&,
            const IOdictionary&
        );
 
        //- Construct from components
        displacementPointSmoothingMotionSolver
        (
            const polyMesh& mesh,
            const IOdictionary& dict,
            const pointVectorField& pointDisplacement,
            const pointIOField& points0
        );
 
 
    //- Destructor
    virtual ~displacementPointSmoothingMotionSolver() = default;
 
 
    // Member Functions
 
        //- Return point location obtained from the current motion field
        virtual tmp<pointField> curPoints() const;
 
        //- Solve for motion
        virtual void solve();
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //