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root/OpenMD/trunk/src/applications/staticProps/RNEMDStats.cpp
Revision: 1892
Committed: Wed Jun 19 14:14:56 2013 UTC (11 years, 10 months ago) by gezelter
File size: 11257 byte(s)
Log Message:
Made RNEMD stats exactly the same as in the RNEMD module.

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 "primitives/Molecule.hpp"
47 #include "utils/PhysicalConstants.hpp"
48
49 namespace OpenMD {
50
51 RNEMDZ::RNEMDZ(SimInfo* info, const std::string& filename,
52 const std::string& sele, int nzbins)
53 : SlabStatistics(info, filename, sele, nzbins) {
54
55 setOutputName(getPrefix(filename) + ".rnemdZ");
56
57 temperature = new OutputData;
58 temperature->units = "K";
59 temperature->title = "Temperature";
60 temperature->dataType = odtReal;
61 temperature->dataHandling = odhAverage;
62 temperature->accumulator.reserve(nBins_);
63 for (int i = 0; i < nBins_; i++)
64 temperature->accumulator.push_back( new Accumulator() );
65 data_.push_back(temperature);
66
67 velocity = new OutputData;
68 velocity->units = "angstroms/fs";
69 velocity->title = "Velocity";
70 velocity->dataType = odtVector3;
71 velocity->dataHandling = odhAverage;
72 velocity->accumulator.reserve(nBins_);
73 for (int i = 0; i < nBins_; i++)
74 velocity->accumulator.push_back( new VectorAccumulator() );
75 data_.push_back(velocity);
76
77 density = new OutputData;
78 density->units = "g cm^-3";
79 density->title = "Density";
80 density->dataType = odtReal;
81 density->dataHandling = odhAverage;
82 density->accumulator.reserve(nBins_);
83 for (int i = 0; i < nBins_; i++)
84 density->accumulator.push_back( new Accumulator() );
85 data_.push_back(density);
86 }
87
88 void RNEMDZ::processFrame(int istep) {
89 RealType z;
90
91 hmat_ = currentSnapshot_->getHmat();
92 for (int i = 0; i < nBins_; i++) {
93 z = (((RealType)i + 0.5) / (RealType)nBins_) * hmat_(2,2);
94 dynamic_cast<Accumulator*>(z_->accumulator[i])->add(z);
95 }
96 volume_ = currentSnapshot_->getVolume();
97
98
99 Molecule* mol;
100 RigidBody* rb;
101 StuntDouble* sd;
102 SimInfo::MoleculeIterator mi;
103 Molecule::RigidBodyIterator rbIter;
104 int i;
105
106 vector<RealType> binMass(nBins_, 0.0);
107 vector<RealType> binPx(nBins_, 0.0);
108 vector<RealType> binPy(nBins_, 0.0);
109 vector<RealType> binPz(nBins_, 0.0);
110 vector<RealType> binKE(nBins_, 0.0);
111 vector<unsigned int> binDof(nBins_, 0);
112 vector<unsigned int> binCount(nBins_, 0);
113
114
115 for (mol = info_->beginMolecule(mi); mol != NULL;
116 mol = info_->nextMolecule(mi)) {
117
118 // change the positions of atoms which belong to the rigidbodies
119
120 for (rb = mol->beginRigidBody(rbIter); rb != NULL;
121 rb = mol->nextRigidBody(rbIter)) {
122 rb->updateAtomVel();
123 }
124 }
125
126 if (evaluator_.isDynamic()) {
127 seleMan_.setSelectionSet(evaluator_.evaluate());
128 }
129
130 // loop over the selected atoms:
131
132 for (sd = seleMan_.beginSelected(i); sd != NULL;
133 sd = seleMan_.nextSelected(i)) {
134
135 // figure out where that object is:
136 Vector3d pos = sd->getPos();
137 Vector3d vel = sd->getVel();
138 RealType m = sd->getMass();
139
140 int bin = getBin(pos);
141
142 binCount[bin] += 1;
143
144 binMass[bin] += m;
145 binPx[bin] += m * vel.x();
146 binPy[bin] += m * vel.y();
147 binPz[bin] += m * vel.z();
148 binKE[bin] += 0.5 * (m * vel.lengthSquare());
149 binDof[bin] += 3;
150
151 if (sd->isDirectional()) {
152 Vector3d angMom = sd->getJ();
153 Mat3x3d I = sd->getI();
154 if (sd->isLinear()) {
155 int i = sd->linearAxis();
156 int j = (i + 1) % 3;
157 int k = (i + 2) % 3;
158 binKE[bin] += 0.5 * (angMom[j] * angMom[j] / I(j, j) +
159 angMom[k] * angMom[k] / I(k, k));
160 binDof[bin] += 2;
161 } else {
162 binKE[bin] += 0.5 * (angMom[0] * angMom[0] / I(0, 0) +
163 angMom[1] * angMom[1] / I(1, 1) +
164 angMom[2] * angMom[2] / I(2, 2));
165 binDof[bin] += 3;
166 }
167 }
168 }
169
170 for (unsigned int i = 0; i < nBins_; i++) {
171
172 if (binDof[i] > 0) {
173 RealType temp = 2.0 * binKE[i] / (binDof[i] * PhysicalConstants::kb *
174 PhysicalConstants::energyConvert);
175 RealType den = binMass[i] * nBins_ * PhysicalConstants::densityConvert
176 / volume_;
177 Vector3d vel;
178 vel.x() = binPx[i] / binMass[i];
179 vel.y() = binPy[i] / binMass[i];
180 vel.z() = binPz[i] / binMass[i];
181
182 dynamic_cast<Accumulator *>(temperature->accumulator[i])->add(temp);
183 dynamic_cast<VectorAccumulator *>(velocity->accumulator[i])->add(vel);
184 dynamic_cast<Accumulator *>(density->accumulator[i])->add(den);
185 dynamic_cast<Accumulator *>(counts_->accumulator[i])->add(1);
186 }
187 }
188 }
189
190 void RNEMDZ::processStuntDouble(StuntDouble* sd, int bin) {
191 }
192
193 RNEMDR::RNEMDR(SimInfo* info, const std::string& filename,
194 const std::string& sele, int nrbins)
195 : ShellStatistics(info, filename, sele, nrbins) {
196
197
198 setOutputName(getPrefix(filename) + ".rnemdR");
199
200 temperature = new OutputData;
201 temperature->units = "K";
202 temperature->title = "Temperature";
203 temperature->dataType = odtReal;
204 temperature->dataHandling = odhAverage;
205 temperature->accumulator.reserve(nBins_);
206 for (int i = 0; i < nBins_; i++)
207 temperature->accumulator.push_back( new Accumulator() );
208 data_.push_back(temperature);
209
210 angularVelocity = new OutputData;
211 angularVelocity->units = "angstroms^2/fs";
212 angularVelocity->title = "Velocity";
213 angularVelocity->dataType = odtVector3;
214 angularVelocity->dataHandling = odhAverage;
215 angularVelocity->accumulator.reserve(nBins_);
216 for (int i = 0; i < nBins_; i++)
217 angularVelocity->accumulator.push_back( new VectorAccumulator() );
218 data_.push_back(angularVelocity);
219
220 density = new OutputData;
221 density->units = "g cm^-3";
222 density->title = "Density";
223 density->dataType = odtReal;
224 density->dataHandling = odhAverage;
225 density->accumulator.reserve(nBins_);
226 for (int i = 0; i < nBins_; i++)
227 density->accumulator.push_back( new Accumulator() );
228 data_.push_back(density);
229 }
230
231
232 void RNEMDR::processFrame(int istep) {
233
234 Molecule* mol;
235 RigidBody* rb;
236 StuntDouble* sd;
237 SimInfo::MoleculeIterator mi;
238 Molecule::RigidBodyIterator rbIter;
239 int i;
240
241 vector<RealType> binMass(nBins_, 0.0);
242 vector<Vector3d> binaVel(nBins_, V3Zero);
243 vector<RealType> binKE(nBins_, 0.0);
244 vector<unsigned int> binDof(nBins_, 0);
245 vector<unsigned int> binCount(nBins_, 0);
246
247 for (mol = info_->beginMolecule(mi); mol != NULL;
248 mol = info_->nextMolecule(mi)) {
249
250 // change the positions of atoms which belong to the rigidbodies
251
252 for (rb = mol->beginRigidBody(rbIter); rb != NULL;
253 rb = mol->nextRigidBody(rbIter)) {
254 rb->updateAtomVel();
255 }
256 }
257
258 if (evaluator_.isDynamic()) {
259 seleMan_.setSelectionSet(evaluator_.evaluate());
260 }
261
262 // loop over the selected atoms:
263
264 for (sd = seleMan_.beginSelected(i); sd != NULL;
265 sd = seleMan_.nextSelected(i)) {
266
267 // figure out where that object is:
268
269 Vector3d rPos = sd->getPos() - coordinateOrigin_;
270 Vector3d vel = sd->getVel();
271 Vector3d aVel = cross(rPos, vel);
272 RealType m = sd->getMass();
273
274 int bin = getBin(rPos);
275
276 binCount[bin] += 1;
277
278 binMass[bin] += m;
279 binaVel[bin] += aVel;
280 binKE[bin] += 0.5 * (m * vel.lengthSquare());
281 binDof[bin] += 3;
282
283 if (sd->isDirectional()) {
284 Vector3d angMom = sd->getJ();
285 Mat3x3d I = sd->getI();
286 if (sd->isLinear()) {
287 int i = sd->linearAxis();
288 int j = (i + 1) % 3;
289 int k = (i + 2) % 3;
290 binKE[bin] += 0.5 * (angMom[j] * angMom[j] / I(j, j) +
291 angMom[k] * angMom[k] / I(k, k));
292 binDof[bin] += 2;
293 } else {
294 binKE[bin] += 0.5 * (angMom[0] * angMom[0] / I(0, 0) +
295 angMom[1] * angMom[1] / I(1, 1) +
296 angMom[2] * angMom[2] / I(2, 2));
297 binDof[bin] += 3;
298 }
299 }
300 }
301
302 for (unsigned int i = 0; i < nBins_; i++) {
303 RealType rinner = (RealType)i * binWidth_;
304 RealType router = (RealType)(i+1) * binWidth_;
305 if (binDof[i] > 0) {
306 RealType temp = 2.0 * binKE[i] / (binDof[i] * PhysicalConstants::kb *
307 PhysicalConstants::energyConvert);
308 RealType den = binMass[i] * 3.0 * PhysicalConstants::densityConvert
309 / (4.0 * M_PI * (pow(router,3) - pow(rinner,3)));
310 Vector3d aVel = binaVel[i] / RealType(binCount[i]);
311 dynamic_cast<Accumulator *>(temperature->accumulator[i])->add(temp);
312 dynamic_cast<VectorAccumulator *>(angularVelocity->accumulator[i])->add(aVel);
313 dynamic_cast<Accumulator *>(density->accumulator[i])->add(den);
314 dynamic_cast<Accumulator *>(counts_->accumulator[i])->add(1);
315 }
316 }
317 }
318
319
320 void RNEMDR::processStuntDouble(StuntDouble* sd, int bin) {
321 }
322 }
323

Properties

Name Value
svn:eol-style native