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root/OpenMD/branches/development/src/applications/nanoparticleBuilder/icosahedralBuilder.cpp
Revision: 1860
Committed: Tue Apr 9 16:14:15 2013 UTC (12 years ago) by gezelter
File size: 12692 byte(s)
Log Message:
Added a new icosahedralBuilder for single-component Mackay Icosahedron nanoparticles.

File Contents

# Content
1 /*
2 * Copyright (c) 2013 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 * [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 "icosahedralBuilderCmd.h"
55 #include "utils/MoLocator.hpp"
56 #include "utils/Tuple.hpp"
57 #include "brains/Register.hpp"
58 #include "brains/SimInfo.hpp"
59 #include "brains/SimCreator.hpp"
60 #include "io/DumpWriter.hpp"
61 #include "math/Vector3.hpp"
62 #include "math/SquareMatrix3.hpp"
63 #include "utils/StringUtils.hpp"
64
65 using namespace OpenMD;
66 using namespace std;
67
68 //
69 // Create Mackay icosaheron structure.
70 //
71 // Heavily modified from a code created by: Yanting Wang 07/21/2003
72 //
73
74 vector<Vector3d> Points;
75 vector<std::pair<int, int> > Edges;
76 vector<tuple3<int, int, int> > Facets;
77 vector<Vector3d> Basis; // Basis vectors of the edges
78
79 //
80 // function np
81 //
82 // Calculate number of particles on the nth layer.
83 //
84
85 int np( int n ) {
86 if( n<0 ) return -1;
87 else if( n==0 ) return 1;
88 else if( n==1 ) return 12;
89 else if( n==2 ) return 42;
90 else {
91 int count = 0;
92 count += 12; // edge particles
93 count += (n-1)*30; // side particles
94 for( int i = 1; i <= n-2; i++ ) count += i*20; // body particles
95 return count;
96 }
97 }
98
99 //
100 // function init
101 //
102 // Initialize some constants.
103 //
104
105 void init() {
106
107 Basis.clear();
108 Edges.clear();
109 Facets.clear();
110 Points.clear();
111
112 //
113 // Initialize Basis vectors.
114 //
115 const RealType HT = ( sqrt(5.0) + 1.0 ) / 4.0; // half Tau
116
117 Basis.push_back( Vector3d( HT, 0.0, 0.5 ));
118 Basis.push_back( Vector3d( HT, 0.0, -0.5 ));
119 Basis.push_back( Vector3d( 0.5, HT, 0.0 ));
120 Basis.push_back( Vector3d( -0.5, HT, 0.0 ));
121 Basis.push_back( Vector3d( 0.0, 0.5, HT ));
122 Basis.push_back( Vector3d( 0.0, -0.5, HT ));
123 Basis.push_back( Vector3d( 0.5, -HT, 0.0 ));
124 Basis.push_back( Vector3d( 0.0, 0.5, -HT ));
125 Basis.push_back( Vector3d( -HT, 0.0, 0.5 ));
126 Basis.push_back( Vector3d( 0.0, -0.5, -HT ));
127 Basis.push_back( Vector3d( -HT, 0.0, -0.5 ));
128 Basis.push_back( Vector3d( -0.5, -HT, 0.0 ));
129
130 //
131 // Initialize 30 edges
132 //
133
134 Edges.push_back(std::make_pair(0, 1));
135 Edges.push_back(std::make_pair(0, 2));
136 Edges.push_back(std::make_pair(0, 4));
137 Edges.push_back(std::make_pair(0, 5));
138 Edges.push_back(std::make_pair(0, 6));
139
140 Edges.push_back(std::make_pair(10, 3));
141 Edges.push_back(std::make_pair(10, 7));
142 Edges.push_back(std::make_pair(10, 8));
143 Edges.push_back(std::make_pair(10, 9));
144 Edges.push_back(std::make_pair(10, 11));
145
146 Edges.push_back(std::make_pair(1, 2));
147 Edges.push_back(std::make_pair(1, 6));
148 Edges.push_back(std::make_pair(1, 7));
149 Edges.push_back(std::make_pair(1, 9));
150
151 Edges.push_back(std::make_pair(8, 3));
152 Edges.push_back(std::make_pair(8, 4));
153 Edges.push_back(std::make_pair(8, 5));
154 Edges.push_back(std::make_pair(8, 11));
155
156 Edges.push_back(std::make_pair(2, 3));
157 Edges.push_back(std::make_pair(2, 4));
158 Edges.push_back(std::make_pair(2, 7));
159
160 Edges.push_back(std::make_pair(11, 5));
161 Edges.push_back(std::make_pair(11, 6));
162 Edges.push_back(std::make_pair(11, 9));
163
164 Edges.push_back(std::make_pair(6, 5));
165 Edges.push_back(std::make_pair(6, 9));
166
167 Edges.push_back(std::make_pair(3, 4));
168 Edges.push_back(std::make_pair(3, 7));
169
170 Edges.push_back(std::make_pair(7, 9));
171
172 Edges.push_back(std::make_pair(5, 4));
173
174 //
175 // Initialize 20 facets
176 //
177
178 Facets.push_back(make_tuple3(0, 1, 2));
179 Facets.push_back(make_tuple3(0, 2, 4));
180 Facets.push_back(make_tuple3(0, 4, 5));
181 Facets.push_back(make_tuple3(0, 5, 6));
182 Facets.push_back(make_tuple3(0, 1, 6));
183
184 Facets.push_back(make_tuple3(10, 3, 7));
185 Facets.push_back(make_tuple3(10, 3, 8));
186 Facets.push_back(make_tuple3(10, 8, 11));
187 Facets.push_back(make_tuple3(10, 9, 11));
188 Facets.push_back(make_tuple3(10, 7, 9));
189
190 Facets.push_back(make_tuple3(1, 2, 7));
191 Facets.push_back(make_tuple3(1, 7, 9));
192 Facets.push_back(make_tuple3(1, 6, 9));
193
194 Facets.push_back(make_tuple3(8, 5, 11));
195 Facets.push_back(make_tuple3(8, 4, 5));
196 Facets.push_back(make_tuple3(8, 3, 4));
197
198 Facets.push_back(make_tuple3(2, 3, 7));
199 Facets.push_back(make_tuple3(2, 3, 4));
200
201 Facets.push_back(make_tuple3(11, 5, 6));
202 Facets.push_back(make_tuple3(11, 6, 9));
203 }
204
205 //
206 // function ih
207 //
208 // Create nth layer particles.
209 // The distance between nearest neighbors has the unit length of 1.
210
211 vector<Vector3d> ih( int n ) {
212
213 if( n < 0 ) return Points;
214
215 if( n==0 ) {
216 // center particle only
217 Points.push_back(Vector3d( 0.0, 0.0, 0.0 ));
218 return Points;
219 }
220
221 //
222 // Generate edge particles
223 //
224 for( vector<Vector3d>::iterator i = Basis.begin(); i != Basis.end(); ++i ) {
225
226 Points.push_back( (*i) * RealType(n) );
227 }
228
229 //
230 // Generate side particles
231 //
232
233 if( n<2 ) return Points;
234
235 for( vector<pair<int,int> >::iterator i=Edges.begin();
236 i != Edges.end(); ++i ) {
237
238 Vector3d e1 = Basis[ (*i).first ] * RealType(n);
239 Vector3d e2 = Basis[ (*i).second ] * RealType(n);
240
241 for( int j = 1; j <= n-1; j++ ) {
242 Points.push_back( e1 + (e2-e1) * RealType(j) / RealType(n));
243 }
244 }
245
246 //
247 // Generate body particles
248 //
249
250 if( n<3 ) return Points;
251
252 for( vector<tuple3<int,int,int> >::iterator i = Facets.begin();
253 i != Facets.end(); ++i) {
254
255 Vector3d e1 = Basis[ (*i).first ] * RealType(n);
256 Vector3d e2 = Basis[ (*i).second ] * RealType(n);
257 Vector3d e3 = Basis[ (*i).third ] * RealType(n);
258
259 for( int j=1; j<=n-2; j++ ) {
260
261 Vector3d v1 = e1 + (e2-e1) * RealType(j+1) / RealType(n);
262 Vector3d v2 = e1 + (e3-e1) * RealType(j+1) / RealType(n);
263
264 for( int k=1; k<=j; k++ ) {
265 Points.push_back(v1 + (v2-v1) * RealType(k) / RealType(j+1));
266 }
267 }
268 }
269 return Points;
270 }
271
272
273 void createMdFile(const std::string&oldMdFileName,
274 const std::string&newMdFileName,
275 int nMol) {
276 ifstream oldMdFile;
277 ofstream newMdFile;
278 const int MAXLEN = 65535;
279 char buffer[MAXLEN];
280
281 //create new .md file based on old .md file
282 oldMdFile.open(oldMdFileName.c_str());
283 newMdFile.open(newMdFileName.c_str());
284 oldMdFile.getline(buffer, MAXLEN);
285
286 unsigned int i = 0;
287 while (!oldMdFile.eof()) {
288
289 //correct molecule number
290 if (strstr(buffer, "nMol") != NULL) {
291 sprintf(buffer, "\tnMol = %i;", nMol);
292 newMdFile << buffer << std::endl;
293 } else {
294 newMdFile << buffer << std::endl;
295 }
296
297 oldMdFile.getline(buffer, MAXLEN);
298 }
299
300 oldMdFile.close();
301 newMdFile.close();
302 }
303
304 int main(int argc, char *argv []) {
305
306 gengetopt_args_info args_info;
307 std::string inputFileName;
308 std::string outputFileName;
309
310 MoLocator* locator;
311 RealType latticeConstant;
312 int nShells;
313
314 DumpWriter *writer;
315
316 init();
317
318 // Parse Command Line Arguments
319 if (cmdline_parser(argc, argv, &args_info) != 0)
320 exit(1);
321
322 /* get input file name */
323 if (args_info.inputs_num)
324 inputFileName = args_info.inputs[0];
325 else {
326 sprintf(painCave.errMsg, "No input .md file name was specified "
327 "on the command line");
328 painCave.isFatal = 1;
329 cmdline_parser_print_help();
330 simError();
331 }
332
333 if (args_info.shells_given) {
334 nShells = args_info.shells_arg;
335 if( nShells < 0 ) {
336 sprintf(painCave.errMsg, "icosahedralBuilder: The number of shells\n"
337 "\tmust be greater than or equal to zero.");
338 painCave.isFatal = 1;
339 cmdline_parser_print_help();
340 simError();
341 }
342 } else {
343 sprintf(painCave.errMsg, "icosahedralBuilder: The number of shells\n"
344 "\tis required to build a Mackay Icosahedron.");
345 painCave.isFatal = 1;
346 cmdline_parser_print_help();
347 simError();
348 }
349
350 if (args_info.latticeConstant_given) {
351 latticeConstant = args_info.latticeConstant_arg;
352 } else {
353
354 int count=0;
355 for( int i = 0; i <= nShells; i++ ) count += np( i );
356 sprintf(painCave.errMsg, "icosahedralBuilder: No lattice constant\n"
357 "\tgiven. Total number of atoms in a Mackay Icosahedron with\n"
358 "\t%d shells is %d.", nShells, count);
359 painCave.isFatal = 1;
360 cmdline_parser_print_help();
361 simError();
362 }
363
364 /* parse md file and set up the system */
365 SimCreator oldCreator;
366 SimInfo* oldInfo = oldCreator.createSim(inputFileName, false);
367
368 Globals* simParams = oldInfo->getSimParams();
369
370 //generate the coordinates
371 for( int i = 0; i <= nShells; i++ ) ih( i );
372
373 outputFileName = args_info.output_arg;
374
375 //creat new .md file on fly which corrects the number of molecule
376
377 createMdFile(inputFileName, outputFileName, Points.size());
378
379 if (oldInfo != NULL)
380 delete oldInfo;
381
382 SimCreator newCreator;
383 SimInfo* NewInfo = newCreator.createSim(outputFileName, false);
384
385 // Place molecules
386 Molecule* mol;
387 SimInfo::MoleculeIterator mi;
388 mol = NewInfo->beginMolecule(mi);
389
390 int l = 0;
391
392 locator = new MoLocator(NewInfo->getMoleculeStamp(0),
393 NewInfo->getForceField());
394
395 Vector3d boxMax;
396 Vector3d boxMin;
397
398 for (int n = 0; n < Points.size(); n++) {
399 mol = NewInfo->getMoleculeByGlobalIndex(l);
400 Vector3d location = Points[n] * latticeConstant;
401 Vector3d orientation = Vector3d(0, 0, 1.0);
402
403 if (n == 0) {
404 boxMax = location;
405 boxMin = location;
406 } else {
407 for (int i = 0; i < 3; i++) {
408 boxMax[i] = max(boxMax[i], location[i]);
409 boxMin[i] = min(boxMin[i], location[i]);
410 }
411 }
412
413 locator->placeMol(location, orientation, mol);
414 l++;
415 }
416
417 Mat3x3d boundingBox;
418 boundingBox(0,0) = 10.0*(boxMax[0] - boxMin[0]);
419 boundingBox(1,1) = 10.0*(boxMax[1] - boxMin[1]);
420 boundingBox(2,2) = 10.0*(boxMax[2] - boxMin[2]);
421
422 //set Hmat
423 NewInfo->getSnapshotManager()->getCurrentSnapshot()->setHmat( boundingBox );
424
425 //create dumpwriter and write out the coordinates
426 writer = new DumpWriter(NewInfo, outputFileName);
427
428 if (writer == NULL) {
429 sprintf(painCave.errMsg, "Error in creating dumpwriter object ");
430 painCave.isFatal = 1;
431 simError();
432 }
433
434 writer->writeDump();
435
436 // deleting the writer will put the closing at the end of the dump file
437
438 delete writer;
439
440 // cleanup a by calling sim error.....
441 sprintf(painCave.errMsg, "A new OpenMD file called \"%s\" has been "
442 "generated.\n", outputFileName.c_str());
443 painCave.isFatal = 0;
444 painCave.severity = OPENMD_INFO;
445 simError();
446 return 0;
447 }

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