refinementRegions.H

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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::refinementRegions
 
Description
    Encapsulates queries for volume refinement ('refine all cells within
    shell').
 
SourceFiles
    refinementRegions.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef refinementRegions_H
#define refinementRegions_H
 
#include "Tuple2.H"
#include "triSurfaceMesh.H"
#include "triSurfaceFieldsFwd.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
class searchableSurfaces;
 
/*---------------------------------------------------------------------------*\
                        Class refinementRegions Declaration
\*---------------------------------------------------------------------------*/
 
class refinementRegions
{
public:
 
    // Public data types
 
        //- Volume refinement controls
        enum class refineMode
        {
            inside,         // Refine all inside shell
            outside,        // ,,         outside
            distance,       // Refine based on distance to shell
            insideSpan,     // Refine based on distance internal span
            outsideSpan     // Refine based on distance external span
        };
 
 
private:
 
    // Private Data
 
        //- Reference to all geometry.
        const searchableSurfaces& allGeometry_;
 
        //- Indices of surfaces that are shells
        labelList shells_;
 
        //- Per shell whether to refine inside or outside
        List<refineMode> modes_;
 
        //- Per shell the list of ranges
        List<scalarField> distances_;
 
        //- Per shell per distance the refinement level
        labelListList levels_;
 
        //- Number of cells across span for refinement mode span
        labelList cellsAcrossSpan_;
 
        //- Surface closness field for refinement mode span
        PtrList<triSurfacePointScalarField> closeness_;
 
 
    // Private Data
 
        //- refineMode names
        static const NamedEnum<refineMode, 5> refineModeNames_;
 
 
    // Private Member Functions
 
        //- Helper function for initialisation.
        void setAndCheckLevels(const label shelli, const dictionary& dict);
 
        //- Specifically orient triSurfaces using a calculated point outside.
        //  Done since quite often triSurfaces not of consistent orientation
        //  which is (currently) necessary for sideness calculation
        void orient();
 
        //- Interpolate the surface closeness field to the given point
        scalar interpolate
        (
            const triSurfaceMesh& tris,
            const triSurfacePointScalarField& closeness,
            const point& pt,
            const label index
        ) const;
 
        //- Find maximum level of a shell
        void findHigherLevel
        (
            const pointField& pt,
            const label shelli,
            const scalar level0EdgeLength,
            labelList& maxLevel
        ) const;
 
 
public:
 
    // Constructors
 
        //- Construct from geometry and dictionary
        refinementRegions
        (
            const searchableSurfaces& allGeometry,
            const dictionary& shellsDict
        );
 
 
    // Member Functions
 
        // Query
 
            //- Highest shell level
            label maxLevel() const;
 
            //- Find shell level higher than ptLevel
            void findHigherLevel
            (
                const pointField& pt,
                const labelList& ptLevel,
                const scalar level0EdgeLength,
                labelList& maxLevel
            ) const;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //