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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

# Content
1 /*
2 * 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. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
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
18 * kind. All express or implied conditions, representations and
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
22 * be liable for any damages suffered by licensee as a result of
23 * using, modifying or distributing the software or its
24 * derivatives. In no event will the University of Notre Dame or its
25 * licensors be liable for any lost revenue, profit or data, or for
26 * direct, indirect, special, consequential, incidental or punitive
27 * damages, however caused and regardless of the theory of liability,
28 * arising out of the use of or inability to use software, even if the
29 * University of Notre Dame has been advised of the possibility of
30 * such damages.
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

Name Value
svn:eol-style native