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root/OpenMD/branches/development/src/primitives/Molecule.cpp
Revision: 1715
Committed: Tue May 22 21:55:31 2012 UTC (12 years, 11 months ago) by gezelter
File size: 9876 byte(s)
Log Message:
Adding more support structure for 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, 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 /**
44 * @file Molecule.cpp
45 * @author tlin
46 * @date 10/28/2004
47 * @version 1.0
48 */
49
50 #include <algorithm>
51 #include <set>
52
53 #include "primitives/Molecule.hpp"
54 #include "utils/MemoryUtils.hpp"
55 #include "utils/simError.h"
56
57 namespace OpenMD {
58 Molecule::Molecule(int stampId, int globalIndex, const std::string& molName)
59 : stampId_(stampId), globalIndex_(globalIndex), moleculeName_(molName) {
60 }
61
62 Molecule::~Molecule() {
63
64 MemoryUtils::deletePointers(atoms_);
65 MemoryUtils::deletePointers(bonds_);
66 MemoryUtils::deletePointers(bends_);
67 MemoryUtils::deletePointers(torsions_);
68 MemoryUtils::deletePointers(inversions_);
69 MemoryUtils::deletePointers(rigidBodies_);
70 MemoryUtils::deletePointers(cutoffGroups_);
71 MemoryUtils::deletePointers(constraintPairs_);
72 MemoryUtils::deletePointers(constraintElems_);
73
74 // integrableObjects_ don't own the objects
75 integrableObjects_.clear();
76 fluctuatingCharges_.clear();
77
78 }
79
80 void Molecule::addAtom(Atom* atom) {
81 if (std::find(atoms_.begin(), atoms_.end(), atom) == atoms_.end()) {
82 atoms_.push_back(atom);
83 }
84 }
85
86 void Molecule::addBond(Bond* bond) {
87 if (std::find(bonds_.begin(), bonds_.end(), bond) == bonds_.end()) {
88 bonds_.push_back(bond);
89 }
90 }
91
92 void Molecule::addBend(Bend* bend) {
93 if (std::find(bends_.begin(), bends_.end(), bend) == bends_.end()) {
94 bends_.push_back(bend);
95 }
96 }
97
98 void Molecule::addTorsion(Torsion* torsion) {
99 if (std::find(torsions_.begin(), torsions_.end(), torsion) ==
100 torsions_.end()) {
101 torsions_.push_back(torsion);
102 }
103 }
104
105 void Molecule::addInversion(Inversion* inversion) {
106 if (std::find(inversions_.begin(), inversions_.end(), inversion) ==
107 inversions_.end()) {
108 inversions_.push_back(inversion);
109 }
110 }
111
112 void Molecule::addRigidBody(RigidBody *rb) {
113 if (std::find(rigidBodies_.begin(), rigidBodies_.end(), rb) ==
114 rigidBodies_.end()) {
115 rigidBodies_.push_back(rb);
116 }
117 }
118
119 void Molecule::addCutoffGroup(CutoffGroup* cp) {
120 if (std::find(cutoffGroups_.begin(), cutoffGroups_.end(), cp) ==
121 cutoffGroups_.end()) {
122 cutoffGroups_.push_back(cp);
123 }
124 }
125
126 void Molecule::addConstraintPair(ConstraintPair* cp) {
127 if (std::find(constraintPairs_.begin(), constraintPairs_.end(), cp) ==
128 constraintPairs_.end()) {
129 constraintPairs_.push_back(cp);
130 }
131 }
132
133 void Molecule::addConstraintElem(ConstraintElem* cp) {
134 if (std::find(constraintElems_.begin(), constraintElems_.end(), cp) ==
135 constraintElems_.end()) {
136 constraintElems_.push_back(cp);
137 }
138 }
139
140 void Molecule::complete() {
141
142 std::set<Atom*> rigidAtoms;
143 Atom* atom;
144 AtomIterator ai;
145 RigidBody* rb;
146 RigidBodyIterator rbIter;
147
148 // Get list of all the atoms that are part of rigid bodies
149
150 for (rb = beginRigidBody(rbIter); rb != NULL; rb = nextRigidBody(rbIter)) {
151 rigidAtoms.insert(rb->getBeginAtomIter(), rb->getEndAtomIter());
152 }
153
154 // add any atom that wasn't part of a rigid body to the list of integrableObjects
155
156 for (atom = beginAtom(ai); atom != NULL; atom = nextAtom(ai)) {
157
158 if (rigidAtoms.find(atom) == rigidAtoms.end()) {
159
160 // If an atom does not belong to a rigid body, it is an
161 // integrable object
162
163 integrableObjects_.push_back(atom);
164 }
165 }
166
167 // then add the rigid bodies themselves to the integrableObjects
168
169 for (rb = beginRigidBody(rbIter); rb != NULL; rb = nextRigidBody(rbIter)) {
170 integrableObjects_.push_back(rb);
171 }
172
173 // find the atoms that are fluctuating charges and add them to the
174 // fluctuatingCharges_ vector
175
176 for (atom = beginAtom(ai); atom != NULL; atom = nextAtom(ai)) {
177 if ( atom->isFluctuatingCharge() )
178 fluctuatingCharges_.push_back( atom );
179 }
180
181 }
182
183 RealType Molecule::getMass() {
184 StuntDouble* sd;
185 std::vector<StuntDouble*>::iterator i;
186 RealType mass = 0.0;
187
188 for (sd = beginIntegrableObject(i); sd != NULL; sd =
189 nextIntegrableObject(i)){
190 mass += sd->getMass();
191 }
192
193 return mass;
194 }
195
196 Vector3d Molecule::getCom() {
197 StuntDouble* sd;
198 std::vector<StuntDouble*>::iterator i;
199 Vector3d com;
200 RealType totalMass = 0;
201 RealType mass;
202
203 for (sd = beginIntegrableObject(i); sd != NULL; sd =
204 nextIntegrableObject(i)){
205 mass = sd->getMass();
206 totalMass += mass;
207 com += sd->getPos() * mass;
208 }
209
210 com /= totalMass;
211
212 return com;
213 }
214
215 void Molecule::moveCom(const Vector3d& delta) {
216 StuntDouble* sd;
217 std::vector<StuntDouble*>::iterator i;
218
219 for (sd = beginIntegrableObject(i); sd != NULL; sd =
220 nextIntegrableObject(i)){
221 sd->setPos(sd->getPos() + delta);
222 }
223 }
224
225 Vector3d Molecule::getComVel() {
226 StuntDouble* sd;
227 std::vector<StuntDouble*>::iterator i;
228 Vector3d velCom;
229 RealType totalMass = 0;
230 RealType mass;
231
232 for (sd = beginIntegrableObject(i); sd != NULL; sd =
233 nextIntegrableObject(i)){
234 mass = sd->getMass();
235 totalMass += mass;
236 velCom += sd->getVel() * mass;
237 }
238
239 velCom /= totalMass;
240
241 return velCom;
242 }
243
244 RealType Molecule::getPotential() {
245
246 Bond* bond;
247 Bend* bend;
248 Torsion* torsion;
249 Inversion* inversion;
250 Molecule::BondIterator bondIter;;
251 Molecule::BendIterator bendIter;
252 Molecule::TorsionIterator torsionIter;
253 Molecule::InversionIterator inversionIter;
254
255 RealType potential = 0.0;
256
257 for (bond = beginBond(bondIter); bond != NULL; bond = nextBond(bondIter)) {
258 potential += bond->getPotential();
259 }
260
261 for (bend = beginBend(bendIter); bend != NULL; bend = nextBend(bendIter)) {
262 potential += bend->getPotential();
263 }
264
265 for (torsion = beginTorsion(torsionIter); torsion != NULL; torsion =
266 nextTorsion(torsionIter)) {
267 potential += torsion->getPotential();
268 }
269
270 for (inversion = beginInversion(inversionIter); torsion != NULL;
271 inversion = nextInversion(inversionIter)) {
272 potential += inversion->getPotential();
273 }
274
275 return potential;
276
277 }
278
279 void Molecule::addProperty(GenericData* genData) {
280 properties_.addProperty(genData);
281 }
282
283 void Molecule::removeProperty(const std::string& propName) {
284 properties_.removeProperty(propName);
285 }
286
287 void Molecule::clearProperties() {
288 properties_.clearProperties();
289 }
290
291 std::vector<std::string> Molecule::getPropertyNames() {
292 return properties_.getPropertyNames();
293 }
294
295 std::vector<GenericData*> Molecule::getProperties() {
296 return properties_.getProperties();
297 }
298
299 GenericData* Molecule::getPropertyByName(const std::string& propName) {
300 return properties_.getPropertyByName(propName);
301 }
302
303 std::ostream& operator <<(std::ostream& o, Molecule& mol) {
304 o << std::endl;
305 o << "Molecule " << mol.getGlobalIndex() << "has: " << std::endl;
306 o << mol.getNAtoms() << " atoms" << std::endl;
307 o << mol.getNBonds() << " bonds" << std::endl;
308 o << mol.getNBends() << " bends" << std::endl;
309 o << mol.getNTorsions() << " torsions" << std::endl;
310 o << mol.getNInversions() << " inversions" << std::endl;
311 o << mol.getNRigidBodies() << " rigid bodies" << std::endl;
312 o << mol.getNIntegrableObjects() << " integrable objects" << std::endl;
313 o << mol.getNCutoffGroups() << " cutoff groups" << std::endl;
314 o << mol.getNConstraintPairs() << " constraint pairs" << std::endl;
315 o << mol.getNFluctuatingCharges() << " fluctuating charges" << std::endl;
316 return o;
317 }
318
319 }//end namespace OpenMD

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