OpenFOAM logo
Open Source CFD Toolkit

linearDiff.H

Go to the documentation of this file.
00001 /*---------------------------------------------------------------------------*\
00002   =========                 |
00003   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
00004    \\    /   O peration     |
00005     \\  /    A nd           | Copyright (C) 1991-2005 OpenCFD Ltd.
00006      \\/     M anipulation  |
00007 -------------------------------------------------------------------------------
00008 License
00009     This file is part of OpenFOAM.
00010 
00011     OpenFOAM is free software; you can redistribute it and/or modify it
00012     under the terms of the GNU General Public License as published by the
00013     Free Software Foundation; either version 2 of the License, or (at your
00014     option) any later version.
00015 
00016     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
00017     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00018     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
00019     for more details.
00020 
00021     You should have received a copy of the GNU General Public License
00022     along with OpenFOAM; if not, write to the Free Software Foundation,
00023     Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
00024 
00025 Class
00026     linearDiff
00027 
00028 Description
00029     Linear distance-based motion diffusion.
00030 
00031 SourceFiles
00032     linearDiff.C
00033 
00034 \*---------------------------------------------------------------------------*/
00035 
00036 #ifndef linearDiff_H
00037 #define linearDiff_H
00038 
00039 #include "motionDiff.H"
00040 #include "elementFields.H"
00041 
00042 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00043 
00044 namespace Foam
00045 {
00046 
00047 /*---------------------------------------------------------------------------*\
00048                            Class linearDiff Declaration
00049 \*---------------------------------------------------------------------------*/
00050 
00051 class linearDiff
00052 :
00053     public motionDiff
00054 {
00055 private:
00056 
00057     // Private data
00058         
00059         //- Patches selected to base the distance on
00060         wordList patchNames_;
00061 
00062         //- Diffusion field
00063         elementScalarField gamma_;
00064 
00065     // Private Member Functions
00066 
00067         //- Disallow default bitwise copy construct
00068         linearDiff(const linearDiff&);
00069 
00070         //- Disallow default bitwise assignment
00071         void operator=(const linearDiff&);
00072 
00073 protected:
00074 
00075         //- Return non constant diffusivity field
00076         elementScalarField& gamma()
00077     {
00078         return gamma_;
00079     }
00080 
00081 public:
00082 
00083     //- Runtime type information
00084     TypeName("linear");
00085 
00086 
00087     // Constructors
00088 
00089         //- Construct from components
00090         linearDiff
00091         (
00092             const tetDecompositionMotionSolver& mSolver
00093         );
00094 
00095 
00096     // Destructor
00097 
00098         virtual ~linearDiff();
00099 
00100 
00101     // Member Functions
00102 
00103         //- Return cell distance field
00104         tmp<scalarField> L() const;
00105 
00106         //- Return diffusivity field
00107         const elementScalarField& gamma() const
00108     {
00109         return gamma_;
00110     }
00111 
00112         //- Correct the motion diffusivity
00113         virtual void correct();
00114 };
00115 
00116 
00117 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00118 
00119 } // End namespace Foam
00120 
00121 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00122 
00123 #endif
00124 
00125 // ************************************************************************* //
For further information go to www.openfoam.org