00001 /*---------------------------------------------------------------------------*\ 00002 ========= | 00003 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox 00004 \\ / O peration | 00005 \\ / A nd | Copyright (C) 1991-2010 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 00013 the Free Software Foundation, either version 3 of the License, or 00014 (at your 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, see <http://www.gnu.org/licenses/>. 00023 00024 Class 00025 Foam::EulerCoordinateRotation 00026 00027 Description 00028 A coordinateRotation defined in the z-x-y Euler convention. 00029 00030 The 3 rotations are defined in the Euler convention 00031 (around Z, around X' and around Z'). 00032 For reference and illustration, see 00033 http://mathworld.wolfram.com/EulerAngles.html 00034 Note, however, that it is the reverse transformation 00035 (local->global) that is defined here. 00036 00037 - the rotation angles are in degrees, unless otherwise explictly specified: 00038 00039 @verbatim 00040 coordinateRotation 00041 { 00042 type EulerRotation 00043 degrees false; 00044 rotation (0 0 3.141592654); 00045 } 00046 @endverbatim 00047 00048 \*---------------------------------------------------------------------------*/ 00049 00050 #ifndef EulerCoordinateRotation_H 00051 #define EulerCoordinateRotation_H 00052 00053 #include <meshTools/coordinateRotation.H> 00054 00055 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00056 00057 namespace Foam 00058 { 00059 00060 /*---------------------------------------------------------------------------*\ 00061 Class EulerCoordinateRotation Declaration 00062 \*---------------------------------------------------------------------------*/ 00063 00064 class EulerCoordinateRotation 00065 : 00066 public coordinateRotation 00067 { 00068 // Private member functions 00069 00070 //- Calculate transformation tensor 00071 void calcTransform 00072 ( 00073 const scalar phiAngle, 00074 const scalar thetaAngle, 00075 const scalar psiAngle, 00076 const bool inDegrees=true 00077 ); 00078 00079 00080 public: 00081 00082 //- Runtime type information 00083 TypeName("EulerRotation"); 00084 00085 00086 // Constructors 00087 00088 //- Construct null 00089 EulerCoordinateRotation(); 00090 00091 //- Construct from rotation vector 00092 EulerCoordinateRotation 00093 ( 00094 const vector& phiThetaPsi, 00095 const bool inDegrees=true 00096 ); 00097 00098 //- Construct from components of rotation vector 00099 EulerCoordinateRotation 00100 ( 00101 const scalar phiAngle, 00102 const scalar thetaAngle, 00103 const scalar psiAngle, 00104 const bool inDegrees=true 00105 ); 00106 00107 //- Construct from dictionary 00108 EulerCoordinateRotation(const dictionary&); 00109 00110 }; 00111 00112 00113 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00114 00115 } // End namespace Foam 00116 00117 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00118 00119 #endif 00120 00121 // ************************ vim: set sw=4 sts=4 et: ************************ //
