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). |
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 |
|
*/ |
67 |
|
using namespace std; |
68 |
|
namespace OpenMD { |
69 |
|
|
70 |
< |
ForceManager::ForceManager(SimInfo * info) : info_(info) { |
70 |
> |
ForceManager::ForceManager(SimInfo * info) : info_(info), switcher_(NULL), |
71 |
> |
initialized_(false) { |
72 |
|
forceField_ = info_->getForceField(); |
73 |
|
interactionMan_ = new InteractionManager(); |
74 |
|
fDecomp_ = new ForceMatrixDecomposition(info_, interactionMan_); |
75 |
+ |
thermo = new Thermo(info_); |
76 |
|
} |
77 |
|
|
78 |
+ |
ForceManager::~ForceManager() { |
79 |
+ |
perturbations_.clear(); |
80 |
+ |
|
81 |
+ |
delete switcher_; |
82 |
+ |
delete interactionMan_; |
83 |
+ |
delete fDecomp_; |
84 |
+ |
delete thermo; |
85 |
+ |
} |
86 |
+ |
|
87 |
|
/** |
88 |
|
* setupCutoffs |
89 |
|
* |
98 |
|
* simulation for suggested cutoff values (e.g. 2.5 * sigma). |
99 |
|
* Use the maximum suggested value that was found. |
100 |
|
* |
101 |
< |
* cutoffMethod : (one of HARD, SWITCHED, SHIFTED_FORCE, |
101 |
> |
* cutoffMethod : (one of HARD, SWITCHED, SHIFTED_FORCE, TAYLOR_SHIFTED, |
102 |
|
* or SHIFTED_POTENTIAL) |
103 |
|
* If cutoffMethod was explicitly set, use that choice. |
104 |
|
* If cutoffMethod was not explicitly set, use SHIFTED_FORCE |
171 |
|
stringToCutoffMethod["SWITCHED"] = SWITCHED; |
172 |
|
stringToCutoffMethod["SHIFTED_POTENTIAL"] = SHIFTED_POTENTIAL; |
173 |
|
stringToCutoffMethod["SHIFTED_FORCE"] = SHIFTED_FORCE; |
174 |
+ |
stringToCutoffMethod["TAYLOR_SHIFTED"] = TAYLOR_SHIFTED; |
175 |
|
|
176 |
|
if (simParams_->haveCutoffMethod()) { |
177 |
|
string cutMeth = toUpperCopy(simParams_->getCutoffMethod()); |
181 |
|
sprintf(painCave.errMsg, |
182 |
|
"ForceManager::setupCutoffs: Could not find chosen cutoffMethod %s\n" |
183 |
|
"\tShould be one of: " |
184 |
< |
"HARD, SWITCHED, SHIFTED_POTENTIAL, or SHIFTED_FORCE\n", |
184 |
> |
"HARD, SWITCHED, SHIFTED_POTENTIAL, TAYLOR_SHIFTED,\n" |
185 |
> |
"\tor SHIFTED_FORCE\n", |
186 |
|
cutMeth.c_str()); |
187 |
|
painCave.isFatal = 1; |
188 |
|
painCave.severity = OPENMD_ERROR; |
226 |
|
cutoffMethod_ = SHIFTED_POTENTIAL; |
227 |
|
} else if (myMethod == "SHIFTED_FORCE") { |
228 |
|
cutoffMethod_ = SHIFTED_FORCE; |
229 |
+ |
} else if (myMethod == "TAYLOR_SHIFTED") { |
230 |
+ |
cutoffMethod_ = TAYLOR_SHIFTED; |
231 |
|
} |
232 |
|
|
233 |
|
if (simParams_->haveSwitchingRadius()) |
234 |
|
rSwitch_ = simParams_->getSwitchingRadius(); |
235 |
|
|
236 |
< |
if (myMethod == "SHIFTED_POTENTIAL" || myMethod == "SHIFTED_FORCE") { |
236 |
> |
if (myMethod == "SHIFTED_POTENTIAL" || myMethod == "SHIFTED_FORCE" || |
237 |
> |
myMethod == "TAYLOR_SHIFTED") { |
238 |
|
if (simParams_->haveSwitchingRadius()){ |
239 |
|
sprintf(painCave.errMsg, |
240 |
|
"ForceManager::setupCutoffs : DEPRECATED ERROR MESSAGE\n" |
449 |
|
perturbations_.push_back(eField); |
450 |
|
} |
451 |
|
|
452 |
+ |
usePeriodicBoundaryConditions_ = info_->getSimParams()->getUsePeriodicBoundaryConditions(); |
453 |
+ |
|
454 |
|
fDecomp_->distributeInitialData(); |
455 |
< |
|
455 |
> |
|
456 |
|
initialized_ = true; |
457 |
< |
|
457 |
> |
|
458 |
|
} |
459 |
< |
|
459 |
> |
|
460 |
|
void ForceManager::calcForces() { |
461 |
|
|
462 |
|
if (!initialized_) initialize(); |
463 |
< |
|
463 |
> |
|
464 |
|
preCalculation(); |
465 |
|
shortRangeInteractions(); |
466 |
|
longRangeInteractions(); |
659 |
|
|
660 |
|
void ForceManager::longRangeInteractions() { |
661 |
|
|
644 |
– |
|
662 |
|
Snapshot* curSnapshot = info_->getSnapshotManager()->getCurrentSnapshot(); |
663 |
|
DataStorage* config = &(curSnapshot->atomData); |
664 |
|
DataStorage* cgConfig = &(curSnapshot->cgData); |
698 |
|
RealType rCutSq; |
699 |
|
bool in_switching_region; |
700 |
|
RealType sw, dswdr, swderiv; |
701 |
< |
vector<int> atomListColumn, atomListRow, atomListLocal; |
701 |
> |
vector<int> atomListColumn, atomListRow; |
702 |
|
InteractionData idat; |
703 |
|
SelfData sdat; |
704 |
|
RealType mf; |
728 |
|
idat.f1 = &f1; |
729 |
|
idat.sw = &sw; |
730 |
|
idat.shiftedPot = (cutoffMethod_ == SHIFTED_POTENTIAL) ? true : false; |
731 |
< |
idat.shiftedForce = (cutoffMethod_ == SHIFTED_FORCE) ? true : false; |
731 |
> |
idat.shiftedForce = (cutoffMethod_ == SHIFTED_FORCE || cutoffMethod_ == TAYLOR_SHIFTED) ? true : false; |
732 |
|
idat.doParticlePot = doParticlePot_; |
733 |
|
idat.doElectricField = doElectricField_; |
734 |
|
sdat.doParticlePot = doParticlePot_; |
743 |
|
|
744 |
|
if (iLoop == loopStart) { |
745 |
|
bool update_nlist = fDecomp_->checkNeighborList(); |
746 |
< |
if (update_nlist) |
746 |
> |
if (update_nlist) { |
747 |
> |
if (!usePeriodicBoundaryConditions_) |
748 |
> |
Mat3x3d bbox = thermo->getBoundingBox(); |
749 |
|
neighborList = fDecomp_->buildNeighborList(); |
750 |
< |
} |
750 |
> |
} |
751 |
> |
} |
752 |
|
|
753 |
|
for (vector<pair<int, int> >::iterator it = neighborList.begin(); |
754 |
|
it != neighborList.end(); ++it) { |
768 |
|
idat.rcut = &cuts.first; |
769 |
|
if (iLoop == PAIR_LOOP) { |
770 |
|
vij = 0.0; |
771 |
< |
fij = V3Zero; |
772 |
< |
eField1 = V3Zero; |
773 |
< |
eField2 = V3Zero; |
771 |
> |
fij.zero(); |
772 |
> |
eField1.zero(); |
773 |
> |
eField2.zero(); |
774 |
|
} |
775 |
|
|
776 |
|
in_switching_region = switcher_->getSwitch(rgrpsq, sw, dswdr, |
795 |
|
vpair = 0.0; |
796 |
|
workPot = 0.0; |
797 |
|
exPot = 0.0; |
798 |
< |
f1 = V3Zero; |
798 |
> |
f1.zero(); |
799 |
|
dVdFQ1 = 0.0; |
800 |
|
dVdFQ2 = 0.0; |
801 |
|
|