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tensor.H

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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 Type
00026     tensor
00027 
00028 Description
00029     3D tensor obtained from generic Vector
00030 
00031 SourceFiles
00032     tensor.C
00033 
00034 \*---------------------------------------------------------------------------*/
00035 
00036 #ifndef tensor_H
00037 #define tensor_H
00038 
00039 #include "Tensor.H"
00040 #include "vector.H"
00041 
00042 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00043 
00044 namespace Foam
00045 {
00046 
00047 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00048 
00049 typedef Tensor<scalar> tensor;
00050 
00051 // Identity tensor
00052 static const tensor I
00053 (
00054     1, 0, 0,
00055     0, 1, 0,
00056     0, 0, 1
00057 );
00058 
00059 vector eigenValues(const tensor& t);
00060 tensor eigenVectors(const tensor& t);
00061 tensor hinv(const tensor& t);
00062 
00063 //- Allow binary writing for arrays of tensors
00064 inline bool writeBinary(const tensor*)
00065 {
00066     return true;
00067 }
00068 
00069 
00070 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00071 
00072 } // End namespace Foam
00073 
00074 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00075 
00076 #include "sphericalTensor.H"
00077 
00078 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00079 
00080 #endif
00081 
00082 // ************************************************************************* //
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