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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 Class 00026 STARCoordinateRotation 00027 00028 Description 00029 The 3 rotations are defined in the STAR convention 00030 (around Z, around X' and around Y'). 00031 00032 00033 \*---------------------------------------------------------------------------*/ 00034 00035 #ifndef STARCoordinateRotation_H 00036 #define STARCoordinateRotation_H 00037 00038 #include "coordinateRotation.H" 00039 00040 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00041 00042 namespace Foam 00043 { 00044 00045 /*---------------------------------------------------------------------------*\ 00046 Class STARCoordinateRotation Declaration 00047 \*---------------------------------------------------------------------------*/ 00048 00049 class STARCoordinateRotation 00050 : 00051 public coordinateRotation 00052 { 00053 // Private data 00054 00055 //- Local-to-global transformation tensor 00056 tensor R_; 00057 00058 00059 public: 00060 00061 // Constructors 00062 00063 //- Construct from components 00064 STARCoordinateRotation 00065 ( 00066 const scalar rotZ, 00067 const scalar rotY, 00068 const scalar rotX 00069 ) 00070 : 00071 R_ 00072 ( 00073 cos(rotZ)*cos(rotY) + sin(rotZ)*sin(rotX)*sin(rotY), 00074 -sin(rotZ)*cos(rotX), 00075 -cos(rotZ)*sin(rotY) + sin(rotZ)*sin(rotX)*cos(rotY), 00076 00077 sin(rotZ)*cos(rotY) - cos(rotZ)*sin(rotX)*sin(rotY), 00078 cos(rotZ)*cos(rotX), 00079 -sin(rotZ)*sin(rotY) - cos(rotZ)*sin(rotX)*cos(rotY), 00080 00081 cos(rotX)*sin(rotY), 00082 sin(rotX), 00083 cos(rotX)*cos(rotY) 00084 ) 00085 {} 00086 00087 00088 // Destructor 00089 00090 virtual ~STARCoordinateRotation() 00091 {} 00092 00093 00094 // Return local-to-global transformation tensor 00095 virtual const tensor& R() const 00096 { 00097 return R_; 00098 } 00099 00100 }; 00101 00102 00103 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00104 00105 } // End namespace Foam 00106 00107 00108 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00109 00110 #endif 00111 00112 // ************************************************************************* //