1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
5 \\ / A nd | Copyright (C) 2011 OpenFOAM Foundation
7 -------------------------------------------------------------------------------
9 This file is part of OpenFOAM.
11 OpenFOAM is free software: you can redistribute it and/or modify it
12 under the terms of the GNU General Public License as published by
13 the Free Software Foundation, either version 3 of the License, or
14 (at your option) any later version.
16 OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
17 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
21 You should have received a copy of the GNU General Public License
22 along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
28 Dictionary reading and supplying the dimensioned constants used within
29 OpenFOAM, particularly for thermodynamics.
31 The values are read from the OpenFOAM etc/controlDict and should be
32 changed to run with a different set of units from the default SI units.
35 dimensionedConstants.C
37 \*---------------------------------------------------------------------------*/
39 #ifndef dimensionedConstants_H
40 #define dimensionedConstants_H
42 #include "dictionary.H"
43 #include "dimensionedScalar.H"
45 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
50 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
52 dictionary& dimensionedConstants();
55 dimensionedScalar dimensionedConstant(const word& group, const word& varName);
66 dictionary& dict = dimensionedConstants();
68 const word unitSet(dict.lookup("unitSet"));
70 dictionary& unitDict(dict.subDict(unitSet + "Coeffs"));
72 if (unitDict.found(group))
74 dictionary& groupDict = unitDict.subDict(group);
75 if (groupDict.found(varName))
77 return pTraits<T>(groupDict.lookup(varName));
81 groupDict.add(varName, defaultValue);
87 unitDict.add(group, dictionary::null);
88 unitDict.subDict(group).add(varName, defaultValue);
95 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
97 } // End namespace Foam
99 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
103 // ************************************************************************* //