OpenFOAM logo
Open Source CFD Toolkit

cartesianCS.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     cartesianCS
00027 
00028 Description
00029     Cartesian coordinate system.
00030 
00031 SourceFiles
00032     cartesianCS.C
00033 
00034 \*---------------------------------------------------------------------------*/
00035 
00036 #ifndef cartesianCS_H
00037 #define cartesianCS_H
00038 
00039 #include "coordinateSystem.H"
00040 #include "typeInfo.H"
00041 
00042 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00043 
00044 namespace Foam
00045 {
00046 
00047 /*---------------------------------------------------------------------------*\
00048                            Class cartesianCS Declaration
00049 \*---------------------------------------------------------------------------*/
00050 
00051 class cartesianCS
00052 :
00053     public coordinateSystem
00054 {
00055     // Private data
00056 
00057         //- Local-to-global transformation tensor
00058         tensor R_;
00059 
00060         //- Global-to-local transformation tensor
00061         tensor Rtrans_;
00062 
00063         static const scalar nonOrthogonalError;
00064 
00065 
00066     // Private member functions
00067 
00068         //- Calculate transformation tensors
00069         void calcTransformations();
00070 
00071 
00072 public:
00073 
00074     //- Runtime type information
00075     TypeName("Cartesian");
00076 
00077 
00078     // Constructors
00079 
00080         //- Construct from origin and 2 axes
00081         cartesianCS
00082         (
00083             const word& name,
00084             const vector& origin,
00085             const vector& axis,
00086             const vector& dir
00087         );
00088 
00089         //- Construct from origin and rotation angles
00090         cartesianCS
00091         (
00092             const word& name,
00093             const vector& origin,
00094             const coordinateRotation& cr
00095         );
00096 
00097         //- Construct from dictionary
00098         cartesianCS(const word& name, const dictionary& dict);
00099 
00100 
00101     // Destructor
00102 
00103         virtual ~cartesianCS()
00104         {}
00105 
00106 
00107     // Member Functions
00108 
00109         //- Convert from local coordinate system to the global Cartesian system
00110         virtual vector toGlobal(const vector& localV) const;
00111 
00112         virtual tmp<vectorField> toGlobal(const vectorField& localV) const;
00113 
00114         //- Convert from global Cartesian system to the local coordinate system 
00115         virtual vector toLocal(const vector& globalV) const;
00116 
00117         virtual tmp<vectorField> toLocal(const vectorField& globalV) const;
00118 };
00119 
00120 
00121 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00122 
00123 } // End namespace Foam
00124 
00125 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00126 
00127 #endif
00128 
00129 // ************************************************************************* //
For further information go to www.openfoam.org