ViewVC Help
View File | Revision Log | Show Annotations | View Changeset | Root Listing
root/OpenMD/branches/development/src/integrators/NPT.hpp
Revision: 507
Committed: Fri Apr 15 22:04:00 2005 UTC (20 years ago) by gezelter
Original Path: trunk/src/integrators/NPT.hpp
File size: 4957 byte(s)
Log Message:
xemacs has been drafted to perform our indentation services

File Contents

# User Rev Content
1 gezelter 507 /*
2 gezelter 246 * Copyright (c) 2005 The University of Notre Dame. All Rights Reserved.
3     *
4     * The University of Notre Dame grants you ("Licensee") a
5     * non-exclusive, royalty free, license to use, modify and
6     * redistribute this software in source and binary code form, provided
7     * that the following conditions are met:
8     *
9     * 1. Acknowledgement of the program authors must be made in any
10     * publication of scientific results based in part on use of the
11     * program. An acceptable form of acknowledgement is citation of
12     * the article in which the program was described (Matthew
13     * A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher
14     * J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented
15     * Parallel Simulation Engine for Molecular Dynamics,"
16     * J. Comput. Chem. 26, pp. 252-271 (2005))
17     *
18     * 2. Redistributions of source code must retain the above copyright
19     * notice, this list of conditions and the following disclaimer.
20     *
21     * 3. Redistributions in binary form must reproduce the above copyright
22     * notice, this list of conditions and the following disclaimer in the
23     * documentation and/or other materials provided with the
24     * distribution.
25     *
26     * This software is provided "AS IS," without a warranty of any
27     * kind. All express or implied conditions, representations and
28     * warranties, including any implied warranty of merchantability,
29     * fitness for a particular purpose or non-infringement, are hereby
30     * excluded. The University of Notre Dame and its licensors shall not
31     * be liable for any damages suffered by licensee as a result of
32     * using, modifying or distributing the software or its
33     * derivatives. In no event will the University of Notre Dame or its
34     * licensors be liable for any lost revenue, profit or data, or for
35     * direct, indirect, special, consequential, incidental or punitive
36     * damages, however caused and regardless of the theory of liability,
37     * arising out of the use of or inability to use software, even if the
38     * University of Notre Dame has been advised of the possibility of
39     * such damages.
40     */
41    
42     /**
43     * @file NPT.hpp
44     * @author tlin
45     * @date 11/19/2004
46     * @time 13:25am
47     * @version 1.0
48     */
49    
50     #ifndef INTEGRATORS_NPT_HPP
51     #define INTEGRATORS_NPT_HPP
52    
53     #include "integrators/VelocityVerletIntegrator.hpp"
54    
55     namespace oopse {
56 gezelter 507 class NPT : public VelocityVerletIntegrator {
57     public:
58 gezelter 246
59 gezelter 507 NPT(SimInfo * info);
60     virtual ~NPT();
61 gezelter 246
62    
63 gezelter 507 int getMaxIterationNumber() {
64     return maxIterNum_;
65     }
66 gezelter 246
67 gezelter 507 void setMaxIterationNumber(int maxIter) {
68     maxIterNum_ = maxIter;
69     }
70     double getTauThermostat() {
71     return tauThermostat;
72     }
73 gezelter 246
74 gezelter 507 void setTauThermostat(double tt) {
75     tauThermostat = tt;
76     }
77 gezelter 246
78 gezelter 507 double getTauBarostat() {
79     return tauBarostat;
80     }
81     void setTauBarostat(double tb) {
82     tauBarostat = tb;
83     }
84 gezelter 246
85 gezelter 507 double getTargetTemp() {
86     return targetTemp;
87     }
88 gezelter 246
89 gezelter 507 void setTargetTemp(double tt) {
90     targetTemp = tt;
91     }
92 gezelter 246
93 gezelter 507 double getTargetPressure() {
94     return targetTemp;
95     }
96 gezelter 246
97 gezelter 507 void setTargetPressure(double tp) {
98     targetPressure = tp;
99     }
100 gezelter 246
101 gezelter 507 double getChiTolerance() {
102     return chiTolerance;
103     }
104 gezelter 246
105 gezelter 507 void setChiTolerance(double tol) {
106     chiTolerance = tol;
107     }
108 gezelter 246
109 gezelter 507 double getEtaTolerance() {
110     return etaTolerance;
111     }
112 gezelter 246
113 gezelter 507 void setEtaTolerance(double tol) {
114     etaTolerance = tol;
115     }
116 gezelter 246
117 gezelter 507 protected:
118 gezelter 246
119 gezelter 507 virtual void integrateStep() {
120     needStress= true;
121     VelocityVerletIntegrator::integrateStep();
122     }
123 gezelter 246
124 gezelter 507 virtual void doUpdate();
125 gezelter 246
126 gezelter 507 double NkBT;
127     double fkBT;
128 gezelter 246
129 gezelter 507 double tt2;
130     double tb2;
131 gezelter 246
132 gezelter 507 double instaTemp;
133     double instaPress;
134     double instaVol;
135 gezelter 246
136    
137 gezelter 507 // targetTemp, targetPressure, and tauBarostat must be set.
138     // One of qmass or tauThermostat must be set;
139 gezelter 246
140 gezelter 507 double targetTemp;
141     double targetPressure;
142     double tauThermostat;
143     double tauBarostat;
144 gezelter 246
145 gezelter 507 std::vector<Vector3d> oldPos;
146     std::vector<Vector3d> oldVel;
147     std::vector<Vector3d> oldJi;
148 gezelter 246
149 gezelter 507 double etaTolerance;
150 gezelter 246
151 gezelter 507 double chi;
152     double integralOfChidt;
153     Mat3x3d press;
154 gezelter 246
155 gezelter 507 private:
156 gezelter 246
157 gezelter 507 virtual void moveA();
158     virtual void moveB();
159 gezelter 246
160 gezelter 507 virtual void getVelScaleA(Vector3d& sc, const Vector3d& vel) = 0;
161 gezelter 246
162 gezelter 507 virtual void getVelScaleB(Vector3d& sc, int index) = 0;
163 gezelter 246
164 gezelter 507 virtual void getPosScale(const Vector3d& pos, const Vector3d& COM,
165     int index, Vector3d& sc) = 0;
166 gezelter 246
167 gezelter 507 virtual void calcVelScale() = 0;
168 gezelter 246
169 gezelter 507 virtual bool etaConverged() = 0;
170 gezelter 246
171 gezelter 507 virtual void evolveEtaA() = 0;
172 gezelter 246
173 gezelter 507 virtual void evolveEtaB() = 0;
174 gezelter 246
175 gezelter 507 virtual void scaleSimBox() = 0;
176 gezelter 246
177 gezelter 507 virtual double calcConservedQuantity() = 0;
178 gezelter 246
179 gezelter 507 virtual void loadEta() = 0;
180     virtual void saveEta() = 0;
181 gezelter 246
182 gezelter 507 int maxIterNum_;
183 gezelter 246
184 gezelter 507 double chiTolerance;
185     };
186 gezelter 246
187     } //end namespace oopse
188    
189     #endif //INTEGRATORS_NPT_HPP