src/thermophysicalModels/thermophysicalFunctions/NSRDSfunctions/NSRDSfunc1/NSRDSfunc1.H

   1 /*---------------------------------------------------------------------------*\
   2   =========                 |
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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::NSRDSfunc1
  26
  27 Description
  28     NSRDS function number 101
  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 NSRDSfunc1_H
  55 #define NSRDSfunc1_H
  56
  57 #include "thermophysicalFunction.H"
  58
  59 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  60
  61 namespace Foam
  62 {
  63
  64 /*---------------------------------------------------------------------------*\
  65                            Class NSRDSfunc1 Declaration
  66 \*---------------------------------------------------------------------------*/
  67
  68 class NSRDSfunc1
  69 :
  70     public thermophysicalFunction
  71 {
  72     // Private data
  73
  74         // NSRDS function 101 coefficients
  75         scalar a_, b_, c_, d_, e_;
  76
  77
  78 public:
  79
  80     //- Runtime type information
  81     TypeName("NSRDSfunc1");
  82
  83
  84     // Constructors
  85
  86         //- Construct from components
  87         NSRDSfunc1(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         {}
  95
  96         //- Construct from Istream
  97         NSRDSfunc1(Istream& is)
  98         :
  99             a_(readScalar(is)),
 100             b_(readScalar(is)),
 101             c_(readScalar(is)),
 102             d_(readScalar(is)),
 103             e_(readScalar(is))
 104         {}
 105
 106
 107     // Member Functions
 108
 109         //- Evaluate the function and return the result
 110         scalar f(scalar, scalar T) const
 111         {
 112             return exp(a_ + b_/T + c_*log(T) + d_*pow(T, e_));
 113         }
 114
 115
 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         }
 125
 126
 127     // Ostream Operator
 128
 129         friend Ostream& operator<<(Ostream& os, const NSRDSfunc1& f)
 130         {
 131             f.writeData(os);
 132             return os;
 133         }
 134 };
 135
 136
 137 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 138
 139 } // End namespace Foam
 140
 141 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 142
 143 #endif
 144
 145 // ************************************************************************* //