src/thermophysicalModels/thermophysicalFunctions/NSRDSfunctions/NSRDSfunc3/NSRDSfunc3.H

   1 /*---------------------------------------------------------------------------*\
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   5     \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
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   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::NSRDSfunc3
  26
  27 Description
  28     NSRDS function number 103
  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 NSRDSfunc3_H
  55 #define NSRDSfunc3_H
  56
  57 #include "thermophysicalFunction.H"
  58
  59 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  60
  61 namespace Foam
  62 {
  63
  64 /*---------------------------------------------------------------------------*\
  65                            Class NSRDSfunc3 Declaration
  66 \*---------------------------------------------------------------------------*/
  67
  68 class NSRDSfunc3
  69 :
  70     public thermophysicalFunction
  71 {
  72     // Private data
  73
  74         // NSRDS function 103 coefficients
  75         scalar a_, b_, c_, d_;
  76
  77
  78 public:
  79
  80     //- Runtime type information
  81     TypeName("NSRDSfunc3");
  82
  83
  84     // Constructors
  85
  86         //- Construct from components
  87         NSRDSfunc3
  88         (
  89             const scalar a,
  90             const scalar b,
  91             const scalar c,
  92             const scalar d
  93         );
  94
  95         //- Construct from Istream
  96         NSRDSfunc3(Istream& is);
  97
  98         //- Construct from dictionary
  99         NSRDSfunc3(const dictionary& dict);
 100
 101
 102     // Member Functions
 103
 104         //- Evaluate the function and return the result
 105         scalar f(scalar, scalar T) const
 106         {
 107             return a_ + b_*exp(-c_/pow(T, d_));
 108         }
 109
 110         //- Write the function coefficients
 111         void writeData(Ostream& os) const
 112         {
 113             os  << a_ << token::SPACE
 114                 << b_ << token::SPACE
 115                 << c_ << token::SPACE
 116                 << d_;
 117         }
 118
 119
 120     // Ostream Operator
 121
 122         friend Ostream& operator<<(Ostream& os, const NSRDSfunc3& f)
 123         {
 124             f.writeData(os);
 125             return os;
 126         }
 127 };
 128
 129
 130 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 131
 132 } // End namespace Foam
 133
 134 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 135
 136 #endif
 137
 138 // ************************************************************************* //