36 |
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* [1] Meineke, et al., J. Comp. Chem. 26, 252-271 (2005). |
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* [2] Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006). |
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* [3] Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008). |
39 |
< |
* [4] Vardeman & Gezelter, in progress (2009). |
39 |
> |
* [4] Kuang & Gezelter, J. Chem. Phys. 133, 164101 (2010). |
40 |
> |
* [5] Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011). |
41 |
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*/ |
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43 |
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/** |
51 |
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#include "integrators/VelocityVerletIntegrator.hpp" |
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#include "integrators/DLM.hpp" |
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#include "utils/StringUtils.hpp" |
54 |
+ |
#include "utils/ProgressBar.hpp" |
55 |
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|
56 |
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namespace OpenMD { |
57 |
< |
VelocityVerletIntegrator::VelocityVerletIntegrator(SimInfo *info) : Integrator(info), rotAlgo(NULL) { |
57 |
> |
VelocityVerletIntegrator::VelocityVerletIntegrator(SimInfo *info) : Integrator(info) { |
58 |
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dt2 = 0.5 * dt; |
57 |
– |
rotAlgo = new DLM(); |
58 |
– |
rattle = new Rattle(info); |
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} |
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|
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VelocityVerletIntegrator::~VelocityVerletIntegrator() { |
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– |
delete rotAlgo; |
63 |
– |
delete rattle; |
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} |
63 |
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|
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void VelocityVerletIntegrator::initialize(){ |
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|
66 |
< |
forceMan_->init(); |
66 |
> |
forceMan_->initialize(); |
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|
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// remove center of mass drift velocity (in case we passed in a |
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// configuration that was drifting) |
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velocitizer_->removeComDrift(); |
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+ |
|
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+ |
// find the initial fluctuating charges. |
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flucQ_->initialize(); |
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|
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// initialize the forces before the first step |
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< |
calcForce(true, true); |
76 |
> |
calcForce(); |
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|
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// execute the constraint algorithm to make sure that the system is |
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// constrained at the very beginning |
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if (info_->getNGlobalConstraints() > 0) { |
81 |
< |
rattle->constraintA(); |
82 |
< |
calcForce(true, true); |
83 |
< |
rattle->constraintB(); |
81 |
> |
rattle_->constraintA(); |
82 |
> |
calcForce(); |
83 |
> |
rattle_->constraintB(); |
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//copy the current snapshot to previous snapshot |
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info_->getSnapshotManager()->advance(); |
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} |
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|
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dumpWriter->writeDumpAndEor(); |
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|
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+ |
progressBar = new ProgressBar(); |
99 |
+ |
|
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//save statistics, before writeStat, we must save statistics |
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thermo.saveStat(); |
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saveConservedQuantity(); |
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needStress = false; |
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|
|
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} |
121 |
< |
|
121 |
> |
|
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void VelocityVerletIntegrator::doIntegrate() { |
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|
|
121 |
– |
|
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|
initialize(); |
125 |
|
|
126 |
< |
while (currentSnapshot_->getTime() < runTime) { |
127 |
< |
|
128 |
< |
preStep(); |
129 |
< |
|
130 |
< |
integrateStep(); |
129 |
< |
|
130 |
< |
postStep(); |
131 |
< |
|
132 |
< |
} |
133 |
< |
|
126 |
> |
while (currentSnapshot_->getTime() < runTime) { |
127 |
> |
preStep(); |
128 |
> |
integrateStep(); |
129 |
> |
postStep(); |
130 |
> |
} |
131 |
|
finalize(); |
135 |
– |
|
132 |
|
} |
133 |
|
|
134 |
|
|
156 |
|
} |
157 |
|
} |
158 |
|
if (useRNEMD) { |
163 |
– |
rnemd_->collectData(); |
159 |
|
if (currentSnapshot_->getTime() >= currRNEMD) { |
160 |
|
rnemd_->doRNEMD(); |
161 |
|
currRNEMD += RNEMD_exchangeTime; |
162 |
|
} |
163 |
+ |
rnemd_->collectData(); |
164 |
|
} |
165 |
|
|
166 |
|
if (currentSnapshot_->getTime() >= currSample) { |
179 |
|
} |
180 |
|
|
181 |
|
statWriter->writeStat(currentSnapshot_->statData); |
182 |
< |
|
182 |
> |
|
183 |
> |
progressBar->setStatus(currentSnapshot_->getTime(), runTime); |
184 |
> |
progressBar->update(); |
185 |
> |
|
186 |
|
needPotential = false; |
187 |
|
needStress = false; |
188 |
|
currStatus += statusTime; |
203 |
|
|
204 |
|
dumpWriter = NULL; |
205 |
|
statWriter = NULL; |
207 |
– |
|
206 |
|
} |
207 |
|
|
208 |
|
void VelocityVerletIntegrator::integrateStep() { |
209 |
|
|
210 |
|
moveA(); |
211 |
< |
calcForce(needPotential, needStress); |
211 |
> |
calcForce(); |
212 |
|
moveB(); |
213 |
|
} |
214 |
|
|
215 |
|
|
216 |
< |
void VelocityVerletIntegrator::calcForce(bool needPotential, |
217 |
< |
bool needStress) { |
218 |
< |
forceMan_->calcForces(needPotential, needStress); |
216 |
> |
void VelocityVerletIntegrator::calcForce() { |
217 |
> |
forceMan_->calcForces(); |
218 |
> |
flucQ_->applyConstraints(); |
219 |
|
} |
220 |
|
|
221 |
|
DumpWriter* VelocityVerletIntegrator::createDumpWriter() { |
258 |
|
mask.set(Stats::BOX_DIPOLE_Y); |
259 |
|
mask.set(Stats::BOX_DIPOLE_Z); |
260 |
|
} |
261 |
+ |
|
262 |
+ |
if (simParams->getPrintHeatFlux()) { |
263 |
+ |
mask.set(Stats::HEATFLUX_X); |
264 |
+ |
mask.set(Stats::HEATFLUX_Y); |
265 |
+ |
mask.set(Stats::HEATFLUX_Z); |
266 |
+ |
} |
267 |
|
|
268 |
|
if (simParams->haveTaggedAtomPair() && simParams->havePrintTaggedPairDistance()) { |
269 |
|
if (simParams->getPrintTaggedPairDistance()) { |