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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 // ************************************************************************* //