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root/OpenMD/trunk/src/primitives/Molecule.hpp
Revision: 1908
Committed: Fri Jul 19 21:25:45 2013 UTC (11 years, 9 months ago) by gezelter
File size: 13069 byte(s)
Log Message:
Added infrastructure for region-constrained fluctuating charges.

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 * [5] Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011).
41 */
42
43 /**
44 * @file Molecule.hpp
45 * @author tlin
46 * @date 10/25/2004
47 * @version 1.0
48 */
49
50 #ifndef PRIMITIVES_MOLECULE_HPP
51 #define PRIMITIVES_MOLECULE_HPP
52 #include <vector>
53 #include <iostream>
54
55 #include "constraints/ConstraintPair.hpp"
56 #include "math/Vector3.hpp"
57 #include "primitives/Atom.hpp"
58 #include "primitives/RigidBody.hpp"
59 #include "primitives/Bond.hpp"
60 #include "primitives/Bend.hpp"
61 #include "primitives/Torsion.hpp"
62 #include "primitives/Inversion.hpp"
63 #include "primitives/CutoffGroup.hpp"
64 #include "utils/PropertyMap.hpp"
65
66 namespace OpenMD{
67
68 class Constraint;
69
70 /**
71 * @class Molecule Molecule.hpp "primitives/Molecule.hpp"
72 * @brief
73 */
74 class Molecule {
75 public:
76
77 typedef std::vector<Atom*>::iterator AtomIterator;
78 typedef std::vector<Bond*>::iterator BondIterator;
79 typedef std::vector<Bend*>::iterator BendIterator;
80 typedef std::vector<Torsion*>::iterator TorsionIterator;
81 typedef std::vector<Inversion*>::iterator InversionIterator;
82 typedef std::vector<RigidBody*>::iterator RigidBodyIterator;
83 typedef std::vector<CutoffGroup*>::iterator CutoffGroupIterator;
84 typedef std::vector<StuntDouble*>::iterator IntegrableObjectIterator;
85 typedef std::vector<ConstraintPair*>::iterator ConstraintPairIterator;
86 typedef std::vector<ConstraintElem*>::iterator ConstraintElemIterator;
87 typedef std::vector<Atom*>::iterator FluctuatingChargeIterator;
88
89 Molecule(int stampId, int globalIndex, const std::string& molName, int region);
90 virtual ~Molecule();
91
92 /**
93 * Returns the global index of this molecule.
94 * @return the global index of this molecule
95 */
96 int getGlobalIndex() {
97 return globalIndex_;
98 }
99
100 /**
101 * Returns the stamp id of this molecule
102 * @note Ideally, every molecule should keep a pointer of its
103 * molecule stamp instead of its stamp id. However, the pointer
104 * will become invalid, if the molecule migrate to other
105 * processor.
106 */
107 int getStampId() {
108 return stampId_;
109 }
110 int getRegion() {
111 return region_;
112 }
113
114 /** Returns the name of the molecule */
115 std::string getType() {
116 return moleculeName_;
117 }
118
119 /**
120 * Sets the global index of this molecule.
121 * @param index new global index to be set
122 */
123 void setGlobalIndex(int index) {
124 globalIndex_ = index;
125 }
126
127 void setConstrainTotalCharge(bool ctc) {
128 constrainTotalCharge_ = ctc;
129 }
130
131 bool constrainTotalCharge() {
132 return constrainTotalCharge_;
133 }
134
135 /** add an atom into this molecule */
136 void addAtom(Atom* atom);
137
138 /** add a bond into this molecule */
139 void addBond(Bond* bond);
140
141 /** add a bend into this molecule */
142 void addBend(Bend* bend);
143
144 /** add a torsion into this molecule*/
145 void addTorsion(Torsion* torsion);
146
147 /** add an improper torsion into this molecule*/
148 void addInversion(Inversion* inversion);
149
150 /** add a rigidbody into this molecule */
151 void addRigidBody(RigidBody *rb);
152
153 /** add a cutoff group into this molecule */
154 void addCutoffGroup(CutoffGroup* cp);
155
156 void addConstraintPair(ConstraintPair* consPair);
157
158 void addConstraintElem(ConstraintElem* consElem);
159
160 /** */
161 void complete();
162
163 /** Returns the total number of atoms in this molecule */
164 unsigned int getNAtoms() {
165 return atoms_.size();
166 }
167
168 /** Returns the total number of bonds in this molecule */
169 unsigned int getNBonds(){
170 return bonds_.size();
171 }
172
173 /** Returns the total number of bends in this molecule */
174 unsigned int getNBends() {
175 return bends_.size();
176 }
177
178 /** Returns the total number of torsions in this molecule */
179 unsigned int getNTorsions() {
180 return torsions_.size();
181 }
182
183 /** Returns the total number of improper torsions in this molecule */
184 unsigned int getNInversions() {
185 return inversions_.size();
186 }
187
188 /** Returns the total number of rigid bodies in this molecule */
189 unsigned int getNRigidBodies() {
190 return rigidBodies_.size();
191 }
192
193 /** Returns the total number of integrable objects in this molecule */
194 unsigned int getNIntegrableObjects() {
195 return integrableObjects_.size();
196 }
197
198 /** Returns the total number of cutoff groups in this molecule */
199 unsigned int getNCutoffGroups() {
200 return cutoffGroups_.size();
201 }
202
203 /** Returns the total number of constraints in this molecule */
204 unsigned int getNConstraintPairs() {
205 return constraintPairs_.size();
206 }
207
208 /** Returns the total number of fluctuating charges in this molecule */
209 unsigned int getNFluctuatingCharges() {
210 return fluctuatingCharges_.size();
211 }
212
213 Atom* getAtomAt(unsigned int i) {
214 assert(i < atoms_.size());
215 return atoms_[i];
216 }
217
218 RigidBody* getRigidBodyAt(unsigned int i) {
219 assert(i < rigidBodies_.size());
220 return rigidBodies_[i];
221 }
222
223 Atom* beginAtom(std::vector<Atom*>::iterator& i) {
224 i = atoms_.begin();
225 return (i == atoms_.end()) ? NULL : *i;
226 }
227
228 Atom* nextAtom(std::vector<Atom*>::iterator& i) {
229 ++i;
230 return (i == atoms_.end()) ? NULL : *i;
231 }
232
233 Bond* beginBond(std::vector<Bond*>::iterator& i) {
234 i = bonds_.begin();
235 return (i == bonds_.end()) ? NULL : *i;
236 }
237
238 Bond* nextBond(std::vector<Bond*>::iterator& i) {
239 ++i;
240 return (i == bonds_.end()) ? NULL : *i;
241
242 }
243
244 Bend* beginBend(std::vector<Bend*>::iterator& i) {
245 i = bends_.begin();
246 return (i == bends_.end()) ? NULL : *i;
247 }
248
249 Bend* nextBend(std::vector<Bend*>::iterator& i) {
250 ++i;
251 return (i == bends_.end()) ? NULL : *i;
252 }
253
254 Torsion* beginTorsion(std::vector<Torsion*>::iterator& i) {
255 i = torsions_.begin();
256 return (i == torsions_.end()) ? NULL : *i;
257 }
258
259 Torsion* nextTorsion(std::vector<Torsion*>::iterator& i) {
260 ++i;
261 return (i == torsions_.end()) ? NULL : *i;
262 }
263
264 Inversion* beginInversion(std::vector<Inversion*>::iterator& i) {
265 i = inversions_.begin();
266 return (i == inversions_.end()) ? NULL : *i;
267 }
268
269 Inversion* nextInversion(std::vector<Inversion*>::iterator& i) {
270 ++i;
271 return (i == inversions_.end()) ? NULL : *i;
272 }
273
274 RigidBody* beginRigidBody(std::vector<RigidBody*>::iterator& i) {
275 i = rigidBodies_.begin();
276 return (i == rigidBodies_.end()) ? NULL : *i;
277 }
278
279 RigidBody* nextRigidBody(std::vector<RigidBody*>::iterator& i) {
280 ++i;
281 return (i == rigidBodies_.end()) ? NULL : *i;
282 }
283
284 StuntDouble* beginIntegrableObject(std::vector<StuntDouble*>::iterator& i) {
285 i = integrableObjects_.begin();
286 return (i == integrableObjects_.end()) ? NULL : *i;
287 }
288
289 StuntDouble* nextIntegrableObject(std::vector<StuntDouble*>::iterator& i) {
290 ++i;
291 return (i == integrableObjects_.end()) ? NULL : *i;
292 }
293
294 CutoffGroup* beginCutoffGroup(std::vector<CutoffGroup*>::iterator& i) {
295 i = cutoffGroups_.begin();
296 return (i == cutoffGroups_.end()) ? NULL : *i;
297 }
298
299 CutoffGroup* nextCutoffGroup(std::vector<CutoffGroup*>::iterator& i) {
300 ++i;
301 return (i == cutoffGroups_.end()) ? NULL : *i;
302 }
303
304 ConstraintPair* beginConstraintPair(std::vector<ConstraintPair*>::iterator& i) {
305 i = constraintPairs_.begin();
306 return (i == constraintPairs_.end()) ? NULL : *i;
307 }
308
309 ConstraintPair* nextConstraintPair(std::vector<ConstraintPair*>::iterator& i) {
310 ++i;
311 return (i == constraintPairs_.end()) ? NULL : *i;
312 }
313
314 ConstraintElem* beginConstraintElem(std::vector<ConstraintElem*>::iterator& i) {
315 i = constraintElems_.begin();
316 return (i == constraintElems_.end()) ? NULL : *i;
317 }
318
319 ConstraintElem* nextConstraintElem(std::vector<ConstraintElem*>::iterator& i) {
320 ++i;
321 return (i == constraintElems_.end()) ? NULL : *i;
322 }
323
324 Atom* beginFluctuatingCharge(std::vector<Atom*>::iterator& i) {
325 i = fluctuatingCharges_.begin();
326 return (i == fluctuatingCharges_.end()) ? NULL : *i;
327 }
328
329 Atom* nextFluctuatingCharge(std::vector<Atom*>::iterator& i) {
330 ++i;
331 return (i == fluctuatingCharges_.end()) ? NULL : *i;
332 }
333
334
335 /**
336 * Returns the total potential energy of short range interaction
337 * of this molecule
338 */
339 RealType getPotential();
340
341 /** get total mass of this molecule */
342 RealType getMass();
343
344 /** return the center of mass of this molecule */
345 Vector3d getCom();
346
347 /** Moves the center of this molecule */
348 void moveCom(const Vector3d& delta);
349
350 /** Returns the velocity of center of mass of this molecule */
351 Vector3d getComVel();
352
353 std::string getMoleculeName() {
354 return moleculeName_;
355 }
356
357 friend std::ostream& operator <<(std::ostream& o, Molecule& mol);
358
359 //below functions are just forward functions
360 /**
361 * Adds property into property map
362 * @param genData GenericData to be added into PropertyMap
363 */
364 void addProperty(GenericData* genData);
365
366 /**
367 * Removes property from PropertyMap by name
368 * @param propName the name of property to be removed
369 */
370 void removeProperty(const std::string& propName);
371
372 /**
373 * clear all of the properties
374 */
375 void clearProperties();
376
377 /**
378 * Returns all names of properties
379 * @return all names of properties
380 */
381 std::vector<std::string> getPropertyNames();
382
383 /**
384 * Returns all of the properties in PropertyMap
385 * @return all of the properties in PropertyMap
386 */
387 std::vector<GenericData*> getProperties();
388
389 /**
390 * Returns property
391 * @param propName name of property
392 * @return a pointer point to property with propName. If no property named propName
393 * exists, return NULL
394 */
395 GenericData* getPropertyByName(const std::string& propName);
396
397 private:
398
399 int globalIndex_;
400
401 std::vector<Atom*> atoms_;
402 std::vector<Bond*> bonds_;
403 std::vector<Bend*> bends_;
404 std::vector<Torsion*> torsions_;
405 std::vector<Inversion*> inversions_;
406 std::vector<RigidBody*> rigidBodies_;
407 std::vector<StuntDouble*> integrableObjects_;
408 std::vector<CutoffGroup*> cutoffGroups_;
409 std::vector<ConstraintPair*> constraintPairs_;
410 std::vector<ConstraintElem*> constraintElems_;
411 std::vector<Atom*> fluctuatingCharges_;
412 int stampId_;
413 int region_;
414 std::string moleculeName_;
415 PropertyMap properties_;
416 bool constrainTotalCharge_;
417
418 };
419
420 } //namespace OpenMD
421 #endif //

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