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noDragModel.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 Class
00026     noDragModel
00027 
00028 Description
00029     standard drag law model with a lower limit on the Cd-value
00030 
00031 \*---------------------------------------------------------------------------*/
00032 
00033 #ifndef noDragModel_H
00034 #define noDragModel_H
00035 
00036 #include "dragModel.H"
00037 
00038 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00039 
00040 namespace Foam
00041 {
00042 
00043 /*---------------------------------------------------------------------------*\
00044                            Class noDragModel Declaration
00045 \*---------------------------------------------------------------------------*/
00046 
00047 class noDragModel
00048 :
00049     public dragModel
00050 {
00051 
00052 public:
00053 
00054     //- Runtime type information
00055         TypeName("noDragModel");
00056 
00057 
00058     // Constructors
00059 
00060         //- Construct from components
00061         noDragModel
00062         (
00063             const dictionary& dict
00064         );
00065 
00066 
00067     // Destructor
00068 
00069         ~noDragModel();
00070 
00071 
00072     // Member Functions
00073 
00074         scalar Cd
00075         (
00076             const scalar ReynoldsNumber,
00077             const scalar deviation
00078         ) const;
00079 
00080         scalar relaxationTime
00081         (
00082             const vector& URel,
00083             const scalar diameter,
00084             const scalar rho,
00085             const scalar liquidDensity,
00086             const scalar nu,
00087             const scalar deviation
00088         ) const;
00089 
00090 };
00091 
00092 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00093 
00094 } // End namespace Foam
00095 
00096 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00097 
00098 #endif
00099 
00100 // ************************************************************************* //
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