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root/OpenMD/trunk/src/applications/nanoparticleBuilder/nanoparticleBuilder.cpp
Revision: 1077
Committed: Wed Oct 18 19:35:07 2006 UTC (18 years, 6 months ago) by gezelter
File size: 15122 byte(s)
Log Message:
bug fixes for vacancies

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