Forward compatibility: flex
[foam-extend-3.2.git] / src / thermophysicalModels / thermophysicalFunctions / NSRDSfunctions / NSRDSfunc7 / NSRDSfunc7.H
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1 /*---------------------------------------------------------------------------*\
2   =========                 |
3   \\      /  F ield         | foam-extend: Open Source CFD
4    \\    /   O peration     | Version:     3.2
5     \\  /    A nd           | Web:         http://www.foam-extend.org
6      \\/     M anipulation  | For copyright notice see file Copyright
7 -------------------------------------------------------------------------------
8 License
9     This file is part of foam-extend.
11     foam-extend is free software: you can redistribute it and/or modify it
12     under the terms of the GNU General Public License as published by the
13     Free Software Foundation, either version 3 of the License, or (at your
14     option) any later version.
16     foam-extend is distributed in the hope that it will be useful, but
17     WITHOUT ANY WARRANTY; without even the implied warranty of
18     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
19     General Public License for more details.
21     You should have received a copy of the GNU General Public License
22     along with foam-extend.  If not, see <http://www.gnu.org/licenses/>.
24 Class
25     Foam::NSRDSfunc7
27 Description
28     NSRDS-AICHE function number 107
30     Source:
31     @verbatim
32                       NSRDS - AICHE
33                  Data Compilation Tables
34                     of Properties of
35                      Pure Compounds
37         Design Institute for Physical Property Data
38           American Institute of Chemical Engineers
39                   345 East 47th Street
40                 New York, New York 10017
42          National Standard Reference Data System
43          American Institute of Chemical Engineers
45           T.E. Daubert       -       R.P. Danner
47             Department of Chemical Engineering
48             The Pennsylvania State University
49                 University Park, PA 16802
50     @endverbatim
52 \*---------------------------------------------------------------------------*/
54 #ifndef NSRDSfunc7_H
55 #define NSRDSfunc7_H
57 #include "thermophysicalFunction.H"
59 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
61 namespace Foam
64 /*---------------------------------------------------------------------------*\
65                            Class NSRDSfunc7 Declaration
66 \*---------------------------------------------------------------------------*/
68 class NSRDSfunc7
70     public thermophysicalFunction
72     // Private data
74         // NSRDS function 107 coefficients
75         scalar a_, b_, c_, d_, e_;
78 public:
80     //- Runtime type information
81     TypeName("NSRDSfunc7");
84     // Constructors
86         //- Construct from components
87         NSRDSfunc7(scalar a, scalar b, scalar c, scalar d, scalar e)
88         :
89             a_(a),
90             b_(b),
91             c_(c),
92             d_(d),
93             e_(e)
94         {}
96         //- Construct from Istream
97         NSRDSfunc7(Istream& is)
98         :
99             a_(readScalar(is)),
100             b_(readScalar(is)),
101             c_(readScalar(is)),
102             d_(readScalar(is)),
103             e_(readScalar(is))
104         {}
107     // Member Functions
109         //- Evaluate the function and return the result
110         scalar f(scalar, scalar T) const
111         {
112             return a_ + b_*sqr((c_/T)/sinh(c_/T)) + d_*sqr((e_/T)/cosh(e_/T));
113         }
116         //- Write the function coefficients
117         void writeData(Ostream& os) const
118         {
119             os  << a_ << token::SPACE
120                 << b_ << token::SPACE
121                 << c_ << token::SPACE
122                 << d_ << token::SPACE
123                 << e_;
124         }
127     // Ostream Operator
129         friend Ostream& operator<<(Ostream& os, const NSRDSfunc7& f)
130         {
131             f.writeData(os);
132             return os;
133         }
137 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
139 } // End namespace Foam
141 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
143 #endif
145 // ************************************************************************* //