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root/OpenMD/branches/development/src/applications/nanoparticleBuilder/nanoparticleBuilder.cpp
Revision: 1704
Committed: Tue Apr 24 20:40:04 2012 UTC (13 years ago) by gezelter
File size: 15236 byte(s)
Log Message:
qhull modifications for compilation 


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, 24107 (2008).
39 * [4] Kuang & Gezelter, J. Chem. Phys. 133, 164101 (2010).
40 * [5] Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011).
41 */
42
43 #include <cstdlib>
44 #include <cstdio>
45 #include <cstring>
46 #include <cmath>
47 #include <iostream>
48 #include <string>
49 #include <map>
50 #include <fstream>
51 #include <algorithm>
52
53 #include "config.h"
54 #include "shapedLatticeSpherical.hpp"
55 #include "nanoparticleBuilderCmd.h"
56 #include "lattice/LatticeFactory.hpp"
57 #include "utils/MoLocator.hpp"
58 #include "lattice/Lattice.hpp"
59 #include "brains/Register.hpp"
60 #include "brains/SimInfo.hpp"
61 #include "brains/SimCreator.hpp"
62 #include "io/DumpWriter.hpp"
63 #include "math/Vector3.hpp"
64 #include "math/SquareMatrix3.hpp"
65 #include "utils/StringUtils.hpp"
66
67 using namespace std;
68 using namespace OpenMD;
69 void createMdFile(const std::string&oldMdFileName,
70 const std::string&newMdFileName,
71 std::vector<int> numMol);
72
73 int main(int argc, char *argv []) {
74
75 //register force fields
76 registerForceFields();
77 registerLattice();
78
79 gengetopt_args_info args_info;
80 std::string latticeType;
81 std::string inputFileName;
82 std::string outputFileName;
83
84 MoLocator* locator;
85 int nComponents;
86 double latticeConstant;
87 std::vector<double> lc;
88
89 RealType particleRadius;
90
91 Mat3x3d hmat;
92 std::vector<Vector3d> latticePos;
93 std::vector<Vector3d> latticeOrt;
94
95 DumpWriter *writer;
96
97 // Parse Command Line Arguments
98 if (cmdline_parser(argc, argv, &args_info) != 0)
99 exit(1);
100
101 /* get lattice type */
102 latticeType = "FCC";
103
104 /* get input file name */
105 if (args_info.inputs_num)
106 inputFileName = args_info.inputs[0];
107 else {
108 sprintf(painCave.errMsg, "No input .md file name was specified "
109 "on the command line");
110 painCave.isFatal = 1;
111 cmdline_parser_print_help();
112 simError();
113 }
114
115 /* parse md file and set up the system */
116 SimCreator oldCreator;
117 SimInfo* oldInfo = oldCreator.createSim(inputFileName, false);
118
119 latticeConstant = args_info.latticeConstant_arg;
120 particleRadius = args_info.radius_arg;
121 Globals* simParams = oldInfo->getSimParams();
122
123 /* Create nanoparticle */
124 shapedLatticeSpherical nanoParticle(latticeConstant, latticeType,
125 particleRadius);
126
127 /* Build a lattice and get lattice points for this lattice constant */
128 vector<Vector3d> sites = nanoParticle.getSites();
129 vector<Vector3d> orientations = nanoParticle.getOrientations();
130
131
132 std::vector<int> vacancyTargets;
133 vector<bool> isVacancy;
134
135 Vector3d myLoc;
136 RealType myR;
137
138 for (int i = 0; i < sites.size(); i++)
139 isVacancy.push_back(false);
140
141 if (args_info.vacancyPercent_given) {
142 if (args_info.vacancyPercent_arg < 0.0 || args_info.vacancyPercent_arg > 100.0) {
143 sprintf(painCave.errMsg, "vacancyPercent was set to a non-sensical value.");
144 painCave.isFatal = 1;
145 simError();
146 } else {
147 RealType vF = args_info.vacancyPercent_arg / 100.0;
148 RealType vIR;
149 RealType vOR;
150 if (args_info.vacancyInnerRadius_given) {
151 vIR = args_info.vacancyInnerRadius_arg;
152 } else {
153 vIR = 0.0;
154 }
155 if (args_info.vacancyOuterRadius_given) {
156 vOR = args_info.vacancyOuterRadius_arg;
157 } else {
158 vOR = particleRadius;
159 }
160 if (vIR >= 0.0 && vOR <= particleRadius && vOR >= vIR) {
161
162 for (int i = 0; i < sites.size(); i++) {
163 myLoc = sites[i];
164 myR = myLoc.length();
165 if (myR >= vIR && myR <= vOR) {
166 vacancyTargets.push_back(i);
167 }
168 }
169 std::random_shuffle(vacancyTargets.begin(), vacancyTargets.end());
170
171 int nTargets = vacancyTargets.size();
172 vacancyTargets.resize((int)(vF * nTargets));
173
174
175 sprintf(painCave.errMsg, "Removing %d atoms from randomly-selected\n"
176 "\tsites between %lf and %lf.", (int) vacancyTargets.size(),
177 vIR, vOR);
178 painCave.isFatal = 0;
179 simError();
180
181 isVacancy.clear();
182 for (int i = 0; i < sites.size(); i++) {
183 bool vac = false;
184 for (int j = 0; j < vacancyTargets.size(); j++) {
185 if (i == vacancyTargets[j]) vac = true;
186 }
187 isVacancy.push_back(vac);
188 }
189
190 } else {
191 sprintf(painCave.errMsg, "Something is strange about the vacancy\n"
192 "\tinner or outer radii. Check their values.");
193 painCave.isFatal = 1;
194 simError();
195 }
196 }
197 }
198
199 /* Get number of lattice sites */
200 int nSites = sites.size() - vacancyTargets.size();
201
202 std::vector<Component*> components = simParams->getComponents();
203 std::vector<RealType> molFractions;
204 std::vector<RealType> shellRadii;
205 std::vector<RealType> molecularMasses;
206 std::vector<int> nMol;
207 std::map<int, int> componentFromSite;
208 nComponents = components.size();
209
210 if (args_info.molFraction_given && args_info.shellRadius_given) {
211 sprintf(painCave.errMsg, "Specify either molFraction or shellRadius "
212 "arguments, but not both!");
213 painCave.isFatal = 1;
214 simError();
215 }
216
217 if (nComponents == 1) {
218 molFractions.push_back(1.0);
219 shellRadii.push_back(particleRadius);
220 } else if (args_info.molFraction_given) {
221 if ((int)args_info.molFraction_given == nComponents) {
222 for (int i = 0; i < nComponents; i++) {
223 molFractions.push_back(args_info.molFraction_arg[i]);
224 }
225 } else if ((int)args_info.molFraction_given == nComponents-1) {
226 RealType remainingFraction = 1.0;
227 for (int i = 0; i < nComponents-1; i++) {
228 molFractions.push_back(args_info.molFraction_arg[i]);
229 remainingFraction -= molFractions[i];
230 }
231 molFractions.push_back(remainingFraction);
232 } else {
233 sprintf(painCave.errMsg, "nanoparticleBuilder can't figure out molFractions "
234 "for all of the components in the <MetaData> block.");
235 painCave.isFatal = 1;
236 simError();
237 }
238 } else if ((int)args_info.shellRadius_given) {
239 if ((int)args_info.shellRadius_given == nComponents) {
240 for (int i = 0; i < nComponents; i++) {
241 shellRadii.push_back(args_info.shellRadius_arg[i]);
242 }
243 } else if ((int)args_info.shellRadius_given == nComponents-1) {
244 for (int i = 0; i < nComponents-1; i++) {
245 shellRadii.push_back(args_info.shellRadius_arg[i]);
246 }
247 shellRadii.push_back(particleRadius);
248 } else {
249 sprintf(painCave.errMsg, "nanoparticleBuilder can't figure out the\n"
250 "\tshell radii for all of the components in the <MetaData> block.");
251 painCave.isFatal = 1;
252 simError();
253 }
254 } else {
255 sprintf(painCave.errMsg, "You have a multi-component <MetaData> block,\n"
256 "\tbut have not specified either molFraction or shellRadius arguments.");
257 painCave.isFatal = 1;
258 simError();
259 }
260
261 if (args_info.molFraction_given) {
262 RealType totalFraction = 0.0;
263
264 /* Do some simple sanity checking*/
265
266 for (int i = 0; i < nComponents; i++) {
267 if (molFractions.at(i) < 0.0) {
268 sprintf(painCave.errMsg, "One of the requested molFractions was"
269 " less than zero!");
270 painCave.isFatal = 1;
271 simError();
272 }
273 if (molFractions.at(i) > 1.0) {
274 sprintf(painCave.errMsg, "One of the requested molFractions was"
275 " greater than one!");
276 painCave.isFatal = 1;
277 simError();
278 }
279 totalFraction += molFractions.at(i);
280 }
281 if (abs(totalFraction - 1.0) > 1e-6) {
282 sprintf(painCave.errMsg, "The sum of molFractions was not close enough to 1.0");
283 painCave.isFatal = 1;
284 simError();
285 }
286
287 int remaining = nSites;
288 for (int i=0; i < nComponents-1; i++) {
289 nMol.push_back(int((RealType)nSites * molFractions.at(i)));
290 remaining -= nMol.at(i);
291 }
292 nMol.push_back(remaining);
293
294 // recompute actual mol fractions and perform final sanity check:
295
296 int totalMolecules = 0;
297 for (int i=0; i < nComponents; i++) {
298 molFractions[i] = (RealType)(nMol.at(i))/(RealType)nSites;
299 totalMolecules += nMol.at(i);
300 }
301
302 if (totalMolecules != nSites) {
303 sprintf(painCave.errMsg, "Computed total number of molecules is not equal "
304 "to the number of lattice sites!");
305 painCave.isFatal = 1;
306 simError();
307 }
308 } else {
309
310 for (int i = 0; i < shellRadii.size(); i++) {
311 if (shellRadii.at(i) > particleRadius + 1e-6 ) {
312 sprintf(painCave.errMsg, "One of the shellRadius values exceeds the particle Radius.");
313 painCave.isFatal = 1;
314 simError();
315 }
316 if (shellRadii.at(i) <= 0.0 ) {
317 sprintf(painCave.errMsg, "One of the shellRadius values is smaller than zero!");
318 painCave.isFatal = 1;
319 simError();
320 }
321 }
322 }
323
324 vector<int> ids;
325 if ((int)args_info.molFraction_given){
326 sprintf(painCave.errMsg, "Creating a randomized spherical nanoparticle.");
327 painCave.isFatal = 0;
328 simError();
329 /* Random particle is the default case*/
330
331 for (int i = 0; i < sites.size(); i++)
332 if (!isVacancy[i]) ids.push_back(i);
333
334 std::random_shuffle(ids.begin(), ids.end());
335
336 } else{
337 sprintf(painCave.errMsg, "Creating a core-shell spherical nanoparticle.");
338 painCave.isFatal = 0;
339 simError();
340
341 RealType smallestSoFar;
342 int myComponent = -1;
343 nMol.clear();
344 nMol.resize(nComponents);
345
346 for (int i = 0; i < sites.size(); i++) {
347 myLoc = sites[i];
348 myR = myLoc.length();
349 smallestSoFar = particleRadius;
350 if (!isVacancy[i]) {
351 for (int j = 0; j < nComponents; j++) {
352 if (myR <= shellRadii[j]) {
353 if (shellRadii[j] <= smallestSoFar) {
354 smallestSoFar = shellRadii[j];
355 myComponent = j;
356 }
357 }
358 }
359 componentFromSite[i] = myComponent;
360 nMol[myComponent]++;
361 }
362 }
363 }
364
365 outputFileName = args_info.output_arg;
366
367 //creat new .md file on fly which corrects the number of molecule
368 createMdFile(inputFileName, outputFileName, nMol);
369
370 if (oldInfo != NULL)
371 delete oldInfo;
372
373 SimCreator newCreator;
374 SimInfo* NewInfo = newCreator.createSim(outputFileName, false);
375
376 // Place molecules
377 Molecule* mol;
378 SimInfo::MoleculeIterator mi;
379 mol = NewInfo->beginMolecule(mi);
380
381 int l = 0;
382 int whichSite = 0;
383
384 for (int i = 0; i < nComponents; i++){
385 locator = new MoLocator(NewInfo->getMoleculeStamp(i),
386 NewInfo->getForceField());
387
388 if (!args_info.molFraction_given) {
389 for (int n = 0; n < sites.size(); n++) {
390 if (!isVacancy[n]) {
391 if (componentFromSite[n] == i) {
392 mol = NewInfo->getMoleculeByGlobalIndex(l);
393 locator->placeMol(sites[n], orientations[n], mol);
394 l++;
395 }
396 }
397 }
398 } else {
399 for (int n = 0; n < nMol.at(i); n++) {
400 mol = NewInfo->getMoleculeByGlobalIndex(l);
401 locator->placeMol(sites[ids[l]], orientations[ids[l]], mol);
402 l++;
403 }
404 }
405 }
406
407 //fill Hmat
408 hmat(0, 0)= 10.0*particleRadius;
409 hmat(0, 1) = 0.0;
410 hmat(0, 2) = 0.0;
411
412 hmat(1, 0) = 0.0;
413 hmat(1, 1) = 10.0*particleRadius;
414 hmat(1, 2) = 0.0;
415
416 hmat(2, 0) = 0.0;
417 hmat(2, 1) = 0.0;
418 hmat(2, 2) = 10.0*particleRadius;
419
420 //set Hmat
421 NewInfo->getSnapshotManager()->getCurrentSnapshot()->setHmat(hmat);
422
423
424 //create dumpwriter and write out the coordinates
425 writer = new DumpWriter(NewInfo, outputFileName);
426
427 if (writer == NULL) {
428 sprintf(painCave.errMsg, "Error in creating dumpwriter object ");
429 painCave.isFatal = 1;
430 simError();
431 }
432
433 writer->writeDump();
434
435 // deleting the writer will put the closing at the end of the dump file
436
437 delete writer;
438
439 // cleanup a by calling sim error.....
440 sprintf(painCave.errMsg, "A new OpenMD file called \"%s\" has been "
441 "generated.\n", outputFileName.c_str());
442 painCave.isFatal = 0;
443 simError();
444 return 0;
445 }
446
447 void createMdFile(const std::string&oldMdFileName,
448 const std::string&newMdFileName,
449 std::vector<int> nMol) {
450 ifstream oldMdFile;
451 ofstream newMdFile;
452 const int MAXLEN = 65535;
453 char buffer[MAXLEN];
454
455 //create new .md file based on old .md file
456 oldMdFile.open(oldMdFileName.c_str());
457 newMdFile.open(newMdFileName.c_str());
458 oldMdFile.getline(buffer, MAXLEN);
459
460 int i = 0;
461 while (!oldMdFile.eof()) {
462
463 //correct molecule number
464 if (strstr(buffer, "nMol") != NULL) {
465 if(i<nMol.size()){
466 sprintf(buffer, "\tnMol = %i;", nMol.at(i));
467 newMdFile << buffer << std::endl;
468 i++;
469 }
470 } else
471 newMdFile << buffer << std::endl;
472
473 oldMdFile.getline(buffer, MAXLEN);
474 }
475
476 oldMdFile.close();
477 newMdFile.close();
478
479 if (i != nMol.size()) {
480 sprintf(painCave.errMsg, "Couldn't replace the correct number of nMol\n"
481 "\tstatements in component blocks. Make sure that all\n"
482 "\tcomponents in the template file have nMol=1");
483 painCave.isFatal = 1;
484 simError();
485 }
486
487 }
488

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