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root/OpenMD/branches/development/src/applications/staticProps/RNEMDStats.cpp
Revision: 1865
Committed: Wed Apr 17 18:24:08 2013 UTC (12 years ago) by gezelter
File size: 7654 byte(s)
Log Message:
Adding spatial statistics analysers.

File Contents

# User Rev Content
1 gezelter 1865 /*
2     * Copyright (c) 2005 The University of Notre Dame. All Rights Reserved.
3     *
4     * The University of Notre Dame grants you ("Licensee") a
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6     * redistribute this software in source and binary code form, provided
7     * that the following conditions are met:
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9     * 1. Redistributions of source code must retain the above copyright
10     * notice, this list of conditions and the following disclaimer.
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12     * 2. Redistributions in binary form must reproduce the above copyright
13     * notice, this list of conditions and the following disclaimer in the
14     * documentation and/or other materials provided with the
15     * distribution.
16     *
17     * This software is provided "AS IS," without a warranty of any
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19     * warranties, including any implied warranty of merchantability,
20     * fitness for a particular purpose or non-infringement, are hereby
21     * excluded. The University of Notre Dame and its licensors shall not
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23     * using, modifying or distributing the software or its
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29     * University of Notre Dame has been advised of the possibility of
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31     *
32     * SUPPORT OPEN SCIENCE! If you use OpenMD or its source code in your
33     * research, please cite the appropriate papers when you publish your
34     * work. Good starting points are:
35     *
36     * [1] Meineke, et al., J. Comp. Chem. 26, 252-271 (2005).
37     * [2] Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006).
38     * [3] Sun, Lin & Gezelter, J. Chem. Phys. 128, 234107 (2008).
39     * [4] Kuang & Gezelter, J. Chem. Phys. 133, 164101 (2010).
40     */
41    
42    
43     #include <algorithm>
44     #include <fstream>
45     #include "applications/staticProps/RNEMDStats.hpp"
46     #include "utils/PhysicalConstants.hpp"
47    
48     namespace OpenMD {
49    
50     RNEMDZ::RNEMDZ(SimInfo* info, const std::string& filename,
51     const std::string& sele, int nzbins)
52     : SlabStatistics(info, filename, sele, nzbins) {
53    
54     setOutputName(getPrefix(filename) + ".rnemdZ");
55    
56     temperature = new OutputData;
57     temperature->units = "K";
58     temperature->title = "Temperature";
59     temperature->dataType = odtReal;
60     temperature->dataHandling = odhAverage;
61     temperature->accumulator.reserve(nBins_);
62     for (int i = 0; i < nBins_; i++)
63     temperature->accumulator.push_back( new Accumulator() );
64     data_.push_back(temperature);
65    
66     velocity = new OutputData;
67     velocity->units = "angstroms/fs";
68     velocity->title = "Velocity";
69     velocity->dataType = odtVector3;
70     velocity->dataHandling = odhAverage;
71     velocity->accumulator.reserve(nBins_);
72     for (int i = 0; i < nBins_; i++)
73     velocity->accumulator.push_back( new VectorAccumulator() );
74     data_.push_back(velocity);
75    
76     density = new OutputData;
77     density->units = "g cm^-3";
78     density->title = "Density";
79     density->dataType = odtReal;
80     density->dataHandling = odhAverage;
81     density->accumulator.reserve(nBins_);
82     for (int i = 0; i < nBins_; i++)
83     density->accumulator.push_back( new Accumulator() );
84     data_.push_back(density);
85     }
86    
87     void RNEMDZ::processStuntDouble(StuntDouble* sd, int bin) {
88     RealType mass = sd->getMass();
89     Vector3d pos = sd->getPos();
90     Vector3d vel = sd->getVel();
91     RealType KE = 0.5 * (mass * vel.lengthSquare());
92     int dof = 3;
93    
94     if (sd->isDirectional()) {
95     Vector3d angMom = sd->getJ();
96     Mat3x3d I = sd->getI();
97     if (sd->isLinear()) {
98     int i = sd->linearAxis();
99     int j = (i + 1) % 3;
100     int k = (i + 2) % 3;
101     KE += 0.5 * (angMom[j] * angMom[j] / I(j, j) +
102     angMom[k] * angMom[k] / I(k, k));
103     dof += 2;
104     } else {
105     KE += 0.5 * (angMom[0] * angMom[0] / I(0, 0) +
106     angMom[1] * angMom[1] / I(1, 1) +
107     angMom[2] * angMom[2] / I(2, 2));
108     dof += 3;
109     }
110     }
111    
112     RealType temp = 2.0 * KE / (dof * PhysicalConstants::kb *
113     PhysicalConstants::energyConvert);
114     RealType den = mass * nBins_ * PhysicalConstants::densityConvert / volume_;
115    
116     dynamic_cast<Accumulator *>(temperature->accumulator[bin])->add(temp);
117     dynamic_cast<VectorAccumulator *>(velocity->accumulator[bin])->add(vel);
118     dynamic_cast<Accumulator *>(density->accumulator[bin])->add(den);
119    
120     }
121    
122     RNEMDR::RNEMDR(SimInfo* info, const std::string& filename,
123     const std::string& sele, int nrbins)
124     : ShellStatistics(info, filename, sele, nrbins) {
125    
126    
127     setOutputName(getPrefix(filename) + ".rnemdR");
128    
129     temperature = new OutputData;
130     temperature->units = "K";
131     temperature->title = "Temperature";
132     temperature->dataType = odtReal;
133     temperature->dataHandling = odhAverage;
134     temperature->accumulator.reserve(nBins_);
135     for (int i = 0; i < nBins_; i++)
136     temperature->accumulator.push_back( new Accumulator() );
137     data_.push_back(temperature);
138    
139     angularVelocity = new OutputData;
140     angularVelocity->units = "angstroms^2/fs";
141     angularVelocity->title = "Velocity";
142     angularVelocity->dataType = odtVector3;
143     angularVelocity->dataHandling = odhAverage;
144     angularVelocity->accumulator.reserve(nBins_);
145     for (int i = 0; i < nBins_; i++)
146     angularVelocity->accumulator.push_back( new VectorAccumulator() );
147     data_.push_back(angularVelocity);
148    
149     density = new OutputData;
150     density->units = "g cm^-3";
151     density->title = "Density";
152     density->dataType = odtReal;
153     density->dataHandling = odhAverage;
154     density->accumulator.reserve(nBins_);
155     for (int i = 0; i < nBins_; i++)
156     density->accumulator.push_back( new Accumulator() );
157     data_.push_back(density);
158     }
159    
160     void RNEMDR::processStuntDouble(StuntDouble* sd, int bin) {
161     RealType mass = sd->getMass();
162     Vector3d vel = sd->getVel();
163     Vector3d rPos = sd->getPos() - coordinateOrigin_;
164     Vector3d aVel = cross(rPos, vel);
165    
166     RealType KE = 0.5 * (mass * vel.lengthSquare());
167     int dof = 3;
168    
169     if (sd->isDirectional()) {
170     Vector3d angMom = sd->getJ();
171     Mat3x3d I = sd->getI();
172     if (sd->isLinear()) {
173     int i = sd->linearAxis();
174     int j = (i + 1) % 3;
175     int k = (i + 2) % 3;
176     KE += 0.5 * (angMom[j] * angMom[j] / I(j, j) +
177     angMom[k] * angMom[k] / I(k, k));
178     dof += 2;
179     } else {
180     KE += 0.5 * (angMom[0] * angMom[0] / I(0, 0) +
181     angMom[1] * angMom[1] / I(1, 1) +
182     angMom[2] * angMom[2] / I(2, 2));
183     dof += 3;
184     }
185     }
186    
187     RealType temp = 2.0 * KE / (dof * PhysicalConstants::kb *
188     PhysicalConstants::energyConvert);
189    
190     RealType rinner = (RealType)bin * binWidth_;
191     RealType router = (RealType)(bin+1) * binWidth_;
192     RealType den = mass * 3.0 * PhysicalConstants::densityConvert
193     / (4.0 * M_PI * (pow(router,3) - pow(rinner,3)));
194    
195     dynamic_cast<Accumulator *>(temperature->accumulator[bin])->add(temp);
196     dynamic_cast<VectorAccumulator *>(angularVelocity->accumulator[bin])->add(aVel);
197     dynamic_cast<Accumulator *>(density->accumulator[bin])->add(den);
198    
199     }
200     }
201    

Properties

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svn:eol-style native