FreeFOAM The Cross-Platform CFD Toolkit
doubleSigmoid.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) 2008-2010 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::energyScalingFunctions::doubleSigmoid
26 
27 Description
28 
29 
30 SourceFiles
31  doubleSigmoid.C
32 
33 \*---------------------------------------------------------------------------*/
34 
35 #ifndef doubleSigmoid_H
36 #define doubleSigmoid_H
37 
39 
40 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
41 
42 namespace Foam
43 {
44 namespace energyScalingFunctions
45 {
46 
47 /*---------------------------------------------------------------------------*\
48  Class doubleSigmoid Declaration
49 \*---------------------------------------------------------------------------*/
50 
52 :
54 {
55  // Private data
56 
57  dictionary doubleSigmoidCoeffs_;
58 
59  scalar shift1_;
60  scalar scale1_;
61  scalar shift2_;
62  scalar scale2_;
63 
64 
65  // Private Member Functions
66 
67  scalar sigmoidScale
68  (
69  const scalar r,
70  const scalar shift,
71  const scalar scale
72  ) const;
73 
74 
75 public:
76 
77  //- Runtime type information
78  TypeName("doubleSigmoid");
79 
80 
81  // Constructors
82 
83  //- Construct from components
85  (
86  const word& name,
88  const pairPotential& pairPot
89  );
90 
91 
92  // Destructor
93 
95  {}
96 
97  // Member Functions
98 
99  void scaleEnergy(scalar& e, const scalar r) const;
100 
101  //- Read dictionary
102  bool read(const dictionary& energyScalingFunctionProperties);
103 };
104 
105 
106 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
107 
108 } // End namespace energyScalingFunctions
109 } // End namespace Foam
110 
111 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
112 
113 #endif
114 
115 // ************************ vim: set sw=4 sts=4 et: ************************ //