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root/OpenMD/branches/development/src/brains/Snapshot.hpp
Revision: 1764
Committed: Tue Jul 3 18:32:27 2012 UTC (12 years, 10 months ago) by gezelter
File size: 11004 byte(s)
Log Message:
Refactored Snapshot and Stats to use the Accumulator classes.  Collected
a number of methods into Thermo that belonged 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, 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 #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 bool orthoRhombic; /**< is this an orthorhombic periodic box? */
66 RealType totalEnergy; /**< total energy of this frame */
67 RealType translationalKinetic; /**< translational kinetic energy of this frame */
68 RealType rotationalKinetic; /**< rotational kinetic energy of this frame */
69 RealType kineticEnergy; /**< kinetic energy of this frame */
70 RealType potentialEnergy; /**< potential energy of this frame */
71 RealType shortRangePotential; /**< short-range contributions to the potential*/
72 RealType longRangePotential; /**< long-range contributions to the potential */
73 RealType bondPotential; /**< bonded contribution to the potential */
74 RealType bendPotential; /**< angle-bending contribution to the potential */
75 RealType torsionPotential; /**< dihedral (torsion angle) contribution to the potential */
76 RealType inversionPotential; /**< inversion (planarity) contribution to the potential */
77 potVec lrPotentials; /**< breakdown of long-range potentials by family */
78 potVec excludedPotentials; /**< breakdown of excluded potentials by family */
79 RealType restraintPotential; /**< potential energy of restraints */
80 RealType rawPotential; /**< unrestrained potential energy (when restraints are applied) */
81 RealType volume; /**< total volume of this frame */
82 RealType pressure; /**< pressure of this frame */
83 RealType temperature; /**< temperature of this frame */
84 pair<RealType, RealType> thermostat; /**< thermostat variables */
85 RealType electronicTemperature; /**< temperature of the electronic degrees of freedom */
86 pair<RealType, RealType> electronicThermostat; /**< thermostat variables for electronic degrees of freedom */
87 Mat3x3d barostat; /**< barostat matrix */
88 Vector3d COM; /**< location of system center of mass */
89 Vector3d COMvel; /**< system center of mass velocity */
90 Vector3d COMw; /**< system center of mass angular velocity */
91 Mat3x3d inertiaTensor; /**< inertia tensor for entire system */
92 RealType gyrationalVolume; /**< gyrational volume for entire system */
93 RealType hullVolume; /**< hull volume for entire system */
94 Mat3x3d stressTensor; /**< stress tensor */
95 Mat3x3d pressureTensor; /**< pressure tensor */
96 Vector3d systemDipole; /**< total system dipole moment */
97 Vector3d conductiveHeatFlux; /**< heat flux vector (conductive only) */
98 Vector3d convectiveHeatFlux; /**< heat flux vector (convective only) */
99 RealType conservedQuantity; /**< anything conserved by the integrator */
100 };
101
102
103 /**
104 * @class Snapshot
105 * @brief The Snapshot class is a repository storing dynamic data during a
106 * Simulation. Every Snapshot contains FrameData (for global information)
107 * as well as DataStorage (one for Atoms, one for RigidBodies, and one for
108 * CutoffGroups).
109 */
110 class Snapshot {
111
112 public:
113 Snapshot(int nAtoms, int nRigidbodies, int nCutoffGroups);
114 Snapshot(int nAtoms, int nRigidbodies, int nCutoffGroups, int storageLayout);
115 /** Returns the id of this Snapshot */
116 int getID();
117 /** Sets the id of this Snapshot */
118 void setID(int id);
119
120 /** sets the state of the computed properties to false */
121 void clearDerivedProperties();
122
123 int getSize();
124 /** Returns the number of atoms */
125 int getNumberOfAtoms();
126 /** Returns the number of rigid bodies */
127 int getNumberOfRigidBodies();
128 /** Returns the number of rigid bodies */
129 int getNumberOfCutoffGroups();
130
131 /** Returns the H-Matrix */
132 Mat3x3d getHmat();
133 /** Sets the H-Matrix */
134 void setHmat(const Mat3x3d& m);
135 /** Returns the inverse H-Matrix */
136 Mat3x3d getInvHmat();
137
138 RealType getVolume();
139 void setVolume(const RealType vol);
140
141 /** Wrapping the vector according to periodic boundary condition*/
142 void wrapVector(Vector3d& v);
143
144 /** Scaling a vector to multiples of the periodic box */
145 Vector3d scaleVector(Vector3d &v);
146
147 void setCOM(const Vector3d &com);
148 void setCOMvel(const Vector3d &comVel);
149 void setCOMw(const Vector3d &comw);
150
151 Vector3d getCOM();
152 Vector3d getCOMvel();
153 Vector3d getCOMw();
154
155 RealType getTime();
156 void increaseTime(const RealType dt);
157 void setTime(const RealType time);
158
159 void setBondPotential(const RealType bp);
160 void setBendPotential(const RealType bp);
161 void setTorsionPotential(const RealType tp);
162 void setInversionPotential(const RealType ip);
163 RealType getBondPotential();
164 RealType getBendPotential();
165 RealType getTorsionPotential();
166 RealType getInversionPotential();
167
168 RealType getShortRangePotential();
169
170 void setLongRangePotential(const potVec lrPot);
171 RealType getLongRangePotential();
172 potVec getLongRangePotentials();
173
174 void setExcludedPotentials(const potVec exPot);
175 potVec getExcludedPotentials();
176
177 void setRestraintPotential(const RealType rp);
178 RealType getRestraintPotential();
179
180 void setRawPotential(const RealType rp);
181 RealType getRawPotential();
182
183 RealType getPotentialEnergy();
184 RealType getKineticEnergy();
185 RealType getTranslationalKineticEnergy();
186 RealType getRotationalKineticEnergy();
187 void setKineticEnergy(const RealType ke);
188 void setTranslationalKineticEnergy(const RealType tke);
189 void setRotationalKineticEnergy(const RealType rke);
190 RealType getTotalEnergy();
191 void setTotalEnergy(const RealType te);
192 RealType getConservedQuantity();
193 void setConservedQuantity(const RealType cq);
194 RealType getTemperature();
195 void setTemperature(const RealType temp);
196 RealType getElectronicTemperature();
197 void setElectronicTemperature(const RealType eTemp);
198 RealType getPressure();
199 void setPressure(const RealType pressure);
200
201 Mat3x3d getPressureTensor();
202 void setPressureTensor(const Mat3x3d& pressureTensor);
203
204 Mat3x3d getStressTensor();
205 void setStressTensor(const Mat3x3d& stressTensor);
206
207 Vector3d getConductiveHeatFlux();
208 void setConductiveHeatFlux(const Vector3d& chf);
209
210 Vector3d getConvectiveHeatFlux();
211 void setConvectiveHeatFlux(const Vector3d& chf);
212
213 Vector3d getHeatFlux();
214
215 Vector3d getSystemDipole();
216 void setSystemDipole(const Vector3d& bd);
217
218 pair<RealType, RealType> getThermostat();
219 void setThermostat(const pair<RealType, RealType>& thermostat);
220
221 pair<RealType, RealType> getElectronicThermostat();
222 void setElectronicThermostat(const pair<RealType, RealType>& eThermostat);
223
224 Mat3x3d getBarostat();
225 void setBarostat(const Mat3x3d& barostat);
226
227 Mat3x3d getInertiaTensor();
228 void setInertiaTensor(const Mat3x3d& inertiaTensor);
229
230 RealType getGyrationalVolume();
231 void setGyrationalVolume(const RealType gv);
232
233 RealType getHullVolume();
234 void setHullVolume(const RealType hv);
235
236 void setOrthoTolerance(RealType orthoTolerance);
237
238 DataStorage atomData;
239 DataStorage rigidbodyData;
240 DataStorage cgData;
241 FrameData frameData;
242
243 bool hasTotalEnergy;
244 bool hasTranslationalKineticEnergy;
245 bool hasRotationalKineticEnergy;
246 bool hasKineticEnergy;
247 bool hasShortRangePotential;
248 bool hasLongRangePotential;
249 bool hasPotentialEnergy;
250 bool hasVolume;
251 bool hasPressure;
252 bool hasTemperature;
253 bool hasElectronicTemperature;
254 bool hasCOM;
255 bool hasCOMvel;
256 bool hasCOMw;
257 bool hasPressureTensor;
258 bool hasSystemDipole;
259 bool hasConvectiveHeatFlux;
260 bool hasInertiaTensor;
261 bool hasGyrationalVolume;
262 bool hasHullVolume;
263 bool hasConservedQuantity;
264
265 private:
266 RealType orthoTolerance_;
267
268 };
269
270 typedef DataStorage (Snapshot::*DataStoragePointer);
271 }
272 #endif //BRAINS_SNAPSHOT_HPP

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