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root/OpenMD/branches/development/src/brains/Snapshot.hpp
Revision: 1858
Committed: Wed Apr 3 21:32:13 2013 UTC (12 years, 1 month ago) by gezelter
File size: 11518 byte(s)
Log Message:
Some bugfixes for cell-linked-list-style neighbor lists when the simulation
doesn't use periodic boundary conditions.   Cleaning up some of the Hull
stuff while we're in there.

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 #ifndef BRAINS_SNAPSHOT_HPP
44 #define BRAINS_SNAPSHOT_HPP
45
46 #include <vector>
47
48 #include "brains/DataStorage.hpp"
49 #include "nonbonded/NonBondedInteraction.hpp"
50 #include "brains/Stats.hpp"
51
52 using namespace std;
53 namespace OpenMD{
54
55 /**
56 * FrameData is a structure for holding system-wide dynamic data
57 * about the simulation.
58 */
59
60 struct FrameData {
61 int id; /**< identification number of the snapshot */
62 RealType currentTime; /**< current time */
63 Mat3x3d hmat; /**< axes of the periodic box in matrix form */
64 Mat3x3d invHmat; /**< the inverse of the Hmat matrix */
65 Mat3x3d bBox; /**< axes of a bounding box in matrix form */
66 Mat3x3d invBbox; /**< the inverse of the bounding box */
67 bool orthoRhombic; /**< is this an orthorhombic periodic box? */
68 RealType totalEnergy; /**< total energy of this frame */
69 RealType translationalKinetic; /**< translational kinetic energy of this frame */
70 RealType rotationalKinetic; /**< rotational kinetic energy of this frame */
71 RealType kineticEnergy; /**< kinetic energy of this frame */
72 RealType potentialEnergy; /**< potential energy of this frame */
73 RealType shortRangePotential; /**< short-range contributions to the potential*/
74 RealType longRangePotential; /**< long-range contributions to the potential */
75 RealType bondPotential; /**< bonded contribution to the potential */
76 RealType bendPotential; /**< angle-bending contribution to the potential */
77 RealType torsionPotential; /**< dihedral (torsion angle) contribution to the potential */
78 RealType inversionPotential; /**< inversion (planarity) contribution to the potential */
79 potVec lrPotentials; /**< breakdown of long-range potentials by family */
80 potVec excludedPotentials; /**< breakdown of excluded potentials by family */
81 RealType restraintPotential; /**< potential energy of restraints */
82 RealType rawPotential; /**< unrestrained potential energy (when restraints are applied) */
83 RealType xyArea; /**< XY area of this frame */
84 RealType volume; /**< total volume of this frame */
85 RealType pressure; /**< pressure of this frame */
86 RealType temperature; /**< temperature of this frame */
87 pair<RealType, RealType> thermostat; /**< thermostat variables */
88 RealType electronicTemperature; /**< temperature of the electronic degrees of freedom */
89 pair<RealType, RealType> electronicThermostat; /**< thermostat variables for electronic degrees of freedom */
90 Mat3x3d barostat; /**< barostat matrix */
91 Vector3d COM; /**< location of system center of mass */
92 Vector3d COMvel; /**< system center of mass velocity */
93 Vector3d COMw; /**< system center of mass angular velocity */
94 Mat3x3d inertiaTensor; /**< inertia tensor for entire system */
95 RealType gyrationalVolume; /**< gyrational volume for entire system */
96 RealType hullVolume; /**< hull volume for entire system */
97 Mat3x3d stressTensor; /**< stress tensor */
98 Mat3x3d pressureTensor; /**< pressure tensor */
99 Vector3d systemDipole; /**< total system dipole moment */
100 Vector3d conductiveHeatFlux; /**< heat flux vector (conductive only) */
101 Vector3d convectiveHeatFlux; /**< heat flux vector (convective only) */
102 RealType conservedQuantity; /**< anything conserved by the integrator */
103 };
104
105
106 /**
107 * @class Snapshot
108 * @brief The Snapshot class is a repository storing dynamic data during a
109 * Simulation. Every Snapshot contains FrameData (for global information)
110 * as well as DataStorage (one for Atoms, one for RigidBodies, and one for
111 * CutoffGroups).
112 */
113 class Snapshot {
114
115 public:
116 Snapshot(int nAtoms, int nRigidbodies, int nCutoffGroups);
117 Snapshot(int nAtoms, int nRigidbodies, int nCutoffGroups, int storageLayout);
118 /** Returns the id of this Snapshot */
119 int getID();
120 /** Sets the id of this Snapshot */
121 void setID(int id);
122
123 /** sets the state of the computed properties to false */
124 void clearDerivedProperties();
125
126 int getSize();
127 /** Returns the number of atoms */
128 int getNumberOfAtoms();
129 /** Returns the number of rigid bodies */
130 int getNumberOfRigidBodies();
131 /** Returns the number of rigid bodies */
132 int getNumberOfCutoffGroups();
133
134 /** Returns the H-Matrix */
135 Mat3x3d getHmat();
136 /** Sets the H-Matrix */
137 void setHmat(const Mat3x3d& m);
138 /** Returns the inverse H-Matrix */
139 Mat3x3d getInvHmat();
140
141 /** Returns the Bounding Box */
142 Mat3x3d getBoundingBox();
143 /** Sets the Bounding Box */
144 void setBoundingBox(const Mat3x3d& m);
145 /** Returns the inverse Bounding Box*/
146 Mat3x3d getInvBoundingBox();
147
148 RealType getVolume();
149 RealType getXYarea();
150 void setVolume(const RealType vol);
151
152 /** Wrapping the vector according to periodic boundary condition*/
153 void wrapVector(Vector3d& v);
154
155 /** Scaling a vector to multiples of the periodic box */
156 Vector3d scaleVector(Vector3d &v);
157
158 void setCOM(const Vector3d &com);
159 void setCOMvel(const Vector3d &comVel);
160 void setCOMw(const Vector3d &comw);
161
162 Vector3d getCOM();
163 Vector3d getCOMvel();
164 Vector3d getCOMw();
165
166 RealType getTime();
167 void increaseTime(const RealType dt);
168 void setTime(const RealType time);
169
170 void setBondPotential(const RealType bp);
171 void setBendPotential(const RealType bp);
172 void setTorsionPotential(const RealType tp);
173 void setInversionPotential(const RealType ip);
174 RealType getBondPotential();
175 RealType getBendPotential();
176 RealType getTorsionPotential();
177 RealType getInversionPotential();
178
179 RealType getShortRangePotential();
180
181 void setLongRangePotential(const potVec lrPot);
182 RealType getLongRangePotential();
183 potVec getLongRangePotentials();
184
185 void setExcludedPotentials(const potVec exPot);
186 potVec getExcludedPotentials();
187
188 void setRestraintPotential(const RealType rp);
189 RealType getRestraintPotential();
190
191 void setRawPotential(const RealType rp);
192 RealType getRawPotential();
193
194 RealType getPotentialEnergy();
195 RealType getKineticEnergy();
196 RealType getTranslationalKineticEnergy();
197 RealType getRotationalKineticEnergy();
198 void setKineticEnergy(const RealType ke);
199 void setTranslationalKineticEnergy(const RealType tke);
200 void setRotationalKineticEnergy(const RealType rke);
201 RealType getTotalEnergy();
202 void setTotalEnergy(const RealType te);
203 RealType getConservedQuantity();
204 void setConservedQuantity(const RealType cq);
205 RealType getTemperature();
206 void setTemperature(const RealType temp);
207 RealType getElectronicTemperature();
208 void setElectronicTemperature(const RealType eTemp);
209 RealType getPressure();
210 void setPressure(const RealType pressure);
211
212 Mat3x3d getPressureTensor();
213 void setPressureTensor(const Mat3x3d& pressureTensor);
214
215 Mat3x3d getStressTensor();
216 void setStressTensor(const Mat3x3d& stressTensor);
217
218 Vector3d getConductiveHeatFlux();
219 void setConductiveHeatFlux(const Vector3d& chf);
220
221 Vector3d getConvectiveHeatFlux();
222 void setConvectiveHeatFlux(const Vector3d& chf);
223
224 Vector3d getHeatFlux();
225
226 Vector3d getSystemDipole();
227 void setSystemDipole(const Vector3d& bd);
228
229 pair<RealType, RealType> getThermostat();
230 void setThermostat(const pair<RealType, RealType>& thermostat);
231
232 pair<RealType, RealType> getElectronicThermostat();
233 void setElectronicThermostat(const pair<RealType, RealType>& eThermostat);
234
235 Mat3x3d getBarostat();
236 void setBarostat(const Mat3x3d& barostat);
237
238 Mat3x3d getInertiaTensor();
239 void setInertiaTensor(const Mat3x3d& inertiaTensor);
240
241 RealType getGyrationalVolume();
242 void setGyrationalVolume(const RealType gv);
243
244 RealType getHullVolume();
245 void setHullVolume(const RealType hv);
246
247 void setOrthoTolerance(RealType orthoTolerance);
248
249 DataStorage atomData;
250 DataStorage rigidbodyData;
251 DataStorage cgData;
252 FrameData frameData;
253
254 bool hasTotalEnergy;
255 bool hasTranslationalKineticEnergy;
256 bool hasRotationalKineticEnergy;
257 bool hasKineticEnergy;
258 bool hasShortRangePotential;
259 bool hasLongRangePotential;
260 bool hasPotentialEnergy;
261 bool hasXYarea;
262 bool hasVolume;
263 bool hasPressure;
264 bool hasTemperature;
265 bool hasElectronicTemperature;
266 bool hasCOM;
267 bool hasCOMvel;
268 bool hasCOMw;
269 bool hasPressureTensor;
270 bool hasSystemDipole;
271 bool hasConvectiveHeatFlux;
272 bool hasInertiaTensor;
273 bool hasGyrationalVolume;
274 bool hasHullVolume;
275 bool hasConservedQuantity;
276 bool hasBoundingBox;
277
278 private:
279 RealType orthoTolerance_;
280
281 };
282
283 typedef DataStorage (Snapshot::*DataStoragePointer);
284 }
285 #endif //BRAINS_SNAPSHOT_HPP

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