FreeFOAM The Cross-Platform CFD Toolkit
NSRDSfunc5.H
Go to the documentation of this file.
1 /*---------------------------------------------------------------------------*\
2  ========= |
3  \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
4  \\ / O peration |
5  \\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd.
6  \\/ M anipulation |
7 -------------------------------------------------------------------------------
8 License
9  This file is part of OpenFOAM.
10 
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.
15 
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
19  for more details.
20 
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/>.
23 
24 Class
25  Foam::NSRDSfunc5
26 
27 Description
28  NSRDS function number 105
29 
30  Source:
31  @verbatim
32  NSRDS - AICHE
33  Data Compilation Tables
34  of Properties of
35  Pure Compounds
36 
37  Design Institute for Physical Property Data
38  American Institute of Chemical Engineers
39  345 East 47th Street
40  New York, New York 10017
41 
42  National Standard Reference Data System
43  American Institute of Chemical Engineers
44 
45  T.E. Daubert - R.P. Danner
46 
47  Department of Chemical Engineering
48  The Pennsylvania State University
49  University Park, PA 16802
50  @endverbatim
51 
52 \*---------------------------------------------------------------------------*/
53 
54 #ifndef NSRDSfunc5_H
55 #define NSRDSfunc5_H
56 
58 
59 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
60 
61 namespace Foam
62 {
63 
64 /*---------------------------------------------------------------------------*\
65  Class NSRDSfunc5 Declaration
66 \*---------------------------------------------------------------------------*/
67 
69 :
71 {
72  // Private data
73 
74  // NSRDS function 105 coefficients
75  scalar a_, b_, c_, d_;
76 
77 
78 public:
79 
80  //- Runtime type information
81  TypeName("NSRDSfunc5");
82 
83 
84  // Constructors
85 
86  //- Construct from components
87  NSRDSfunc5(scalar a, scalar b, scalar c, scalar d)
88  :
89  a_(a),
90  b_(b),
91  c_(c),
92  d_(d)
93  {}
94 
95  //- Construct from Istream
97  :
98  a_(readScalar(is)),
99  b_(readScalar(is)),
100  c_(readScalar(is)),
101  d_(readScalar(is))
102  {}
103 
104 
105  // Member Functions
106 
107  //- Evaluate the function and return the result
108  scalar f(scalar, scalar T) const
109  {
110  return a_/pow(b_, 1 + pow(1 - T/c_, d_));
111  }
112 
113 
114  //- Write the function coefficients
115  void writeData(Ostream& os) const
116  {
117  os << a_ << token::SPACE
118  << b_ << token::SPACE
119  << c_ << token::SPACE
120  << d_;
121  }
122 
123 
124  // Ostream Operator
125 
126  friend Ostream& operator<<(Ostream& os, const NSRDSfunc5& f)
127  {
128  f.writeData(os);
129  return os;
130  }
131 };
132 
133 
134 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
135 
136 } // End namespace Foam
137 
138 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
139 
140 #endif
141 
142 // ************************ vim: set sw=4 sts=4 et: ************************ //