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AndersenThermostat.h
1 #ifndef OPENMM_ANDERSENTHERMOSTAT_H_
2 #define OPENMM_ANDERSENTHERMOSTAT_H_
3 
4 /* -------------------------------------------------------------------------- *
5  * OpenMM *
6  * -------------------------------------------------------------------------- *
7  * This is part of the OpenMM molecular simulation toolkit originating from *
8  * Simbios, the NIH National Center for Physics-Based Simulation of *
9  * Biological Structures at Stanford, funded under the NIH Roadmap for *
10  * Medical Research, grant U54 GM072970. See https://simtk.org. *
11  * *
12  * Portions copyright (c) 2008 Stanford University and the Authors. *
13  * Authors: Peter Eastman *
14  * Contributors: *
15  * *
16  * Permission is hereby granted, free of charge, to any person obtaining a *
17  * copy of this software and associated documentation files (the "Software"), *
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20  * and/or sell copies of the Software, and to permit persons to whom the *
21  * Software is furnished to do so, subject to the following conditions: *
22  * *
23  * The above copyright notice and this permission notice shall be included in *
24  * all copies or substantial portions of the Software. *
25  * *
26  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *
27  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *
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29  * THE AUTHORS, CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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32  * USE OR OTHER DEALINGS IN THE SOFTWARE. *
33  * -------------------------------------------------------------------------- */
34 
35 #include "Force.h"
36 #include <string>
37 #include "internal/windowsExport.h"
38 
39 namespace OpenMM {
40 
45 class OPENMM_EXPORT AndersenThermostat : public Force {
46 public:
51  static const std::string& Temperature() {
52  static const std::string key = "AndersenTemperature";
53  return key;
54  }
58  static const std::string& CollisionFrequency() {
59  static const std::string key = "AndersenCollisionFrequency";
60  return key;
61  }
68  AndersenThermostat(double defaultTemperature, double defaultCollisionFrequency);
74  double getDefaultTemperature() const {
75  return defaultTemp;
76  }
83  void setDefaultTemperature(double temperature) {
84  defaultTemp = temperature;
85  }
92  return defaultFreq;
93  }
100  void setDefaultCollisionFrequency(double frequency) {
101  defaultFreq = frequency;
102  }
106  int getRandomNumberSeed() const {
107  return randomNumberSeed;
108  }
117  void setRandomNumberSeed(int seed) {
118  randomNumberSeed = seed;
119  }
120 protected:
121  ForceImpl* createImpl() const;
122 private:
123  double defaultTemp, defaultFreq;
124  int randomNumberSeed;
125 };
126 
127 } // namespace OpenMM
128 
129 #endif /*OPENMM_ANDERSENTHERMOSTAT_H_*/
void setRandomNumberSeed(int seed)
Set the random number seed.
Definition: AndersenThermostat.h:117
static const std::string & CollisionFrequency()
This is the name of the parameter which store the current collision frequency (in 1/ps)...
Definition: AndersenThermostat.h:58
double getDefaultCollisionFrequency() const
Get the default collision frequency (in 1/ps).
Definition: AndersenThermostat.h:91
int getRandomNumberSeed() const
Get the random number seed.
Definition: AndersenThermostat.h:106
This class uses the Andersen method to maintain constant temperature.
Definition: AndersenThermostat.h:45
static const std::string & Temperature()
This is the name of the parameter which stores the current temperature of the heat bath (in Kelvin)...
Definition: AndersenThermostat.h:51
Force objects apply forces to the particles in a System, or alter their behavior in other ways...
Definition: Force.h:65
A ForceImpl provides the internal implementation of a Force.
Definition: ForceImpl.h:57
void setDefaultTemperature(double temperature)
Set the default temperature of the heat bath.
Definition: AndersenThermostat.h:83
double getDefaultTemperature() const
Get the default temperature of the heat bath (in Kelvin).
Definition: AndersenThermostat.h:74
void setDefaultCollisionFrequency(double frequency)
Set the default collision frequency.
Definition: AndersenThermostat.h:100