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] Vardeman & Gezelter, in progress (2009). |
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 |
|
#include <fstream> |
43 |
|
#include <iostream> |
47 |
|
#include "hydrodynamics/Sphere.hpp" |
48 |
|
#include "hydrodynamics/Ellipsoid.hpp" |
49 |
|
#include "utils/ElementsTable.hpp" |
50 |
+ |
#include "types/LennardJonesAdapter.hpp" |
51 |
+ |
#include "types/GayBerneAdapter.hpp" |
52 |
|
|
53 |
|
namespace OpenMD { |
54 |
|
|
55 |
< |
LDForceManager::LDForceManager(SimInfo* info) : ForceManager(info), forceTolerance_(1e-6), maxIterNum_(4) { |
55 |
> |
LDForceManager::LDForceManager(SimInfo* info) : ForceManager(info), |
56 |
> |
maxIterNum_(4), |
57 |
> |
forceTolerance_(1e-6) { |
58 |
|
simParams = info->getSimParams(); |
59 |
|
veloMunge = new Velocitizer(info); |
60 |
|
|
97 |
|
std::map<std::string, HydroProp*> hydroPropMap; |
98 |
|
|
99 |
|
Molecule* mol; |
100 |
< |
StuntDouble* integrableObject; |
100 |
> |
StuntDouble* sd; |
101 |
|
SimInfo::MoleculeIterator i; |
102 |
|
Molecule::IntegrableObjectIterator j; |
103 |
|
bool needHydroPropFile = false; |
104 |
|
|
105 |
|
for (mol = info->beginMolecule(i); mol != NULL; |
106 |
|
mol = info->nextMolecule(i)) { |
107 |
< |
for (integrableObject = mol->beginIntegrableObject(j); |
108 |
< |
integrableObject != NULL; |
109 |
< |
integrableObject = mol->nextIntegrableObject(j)) { |
107 |
> |
|
108 |
> |
for (sd = mol->beginIntegrableObject(j); sd != NULL; |
109 |
> |
sd = mol->nextIntegrableObject(j)) { |
110 |
|
|
111 |
< |
if (integrableObject->isRigidBody()) { |
112 |
< |
RigidBody* rb = static_cast<RigidBody*>(integrableObject); |
111 |
> |
if (sd->isRigidBody()) { |
112 |
> |
RigidBody* rb = static_cast<RigidBody*>(sd); |
113 |
|
if (rb->getNumAtoms() > 1) needHydroPropFile = true; |
114 |
|
} |
115 |
|
|
132 |
|
|
133 |
|
for (mol = info->beginMolecule(i); mol != NULL; |
134 |
|
mol = info->nextMolecule(i)) { |
130 |
– |
for (integrableObject = mol->beginIntegrableObject(j); |
131 |
– |
integrableObject != NULL; |
132 |
– |
integrableObject = mol->nextIntegrableObject(j)) { |
135 |
|
|
136 |
< |
std::map<std::string, HydroProp*>::iterator iter = hydroPropMap.find(integrableObject->getType()); |
136 |
> |
for (sd = mol->beginIntegrableObject(j); sd != NULL; |
137 |
> |
sd = mol->nextIntegrableObject(j)) { |
138 |
> |
|
139 |
> |
std::map<std::string, HydroProp*>::iterator iter = hydroPropMap.find(sd->getType()); |
140 |
|
if (iter != hydroPropMap.end()) { |
141 |
|
hydroProps_.push_back(iter->second); |
142 |
|
} else { |
143 |
|
sprintf( painCave.errMsg, |
144 |
< |
"Can not find resistance tensor for atom [%s]\n", integrableObject->getType().c_str()); |
144 |
> |
"Can not find resistance tensor for atom [%s]\n", sd->getType().c_str()); |
145 |
|
painCave.severity = OPENMD_ERROR; |
146 |
|
painCave.isFatal = 1; |
147 |
|
simError(); |
153 |
|
std::map<std::string, HydroProp*> hydroPropMap; |
154 |
|
for (mol = info->beginMolecule(i); mol != NULL; |
155 |
|
mol = info->nextMolecule(i)) { |
156 |
< |
for (integrableObject = mol->beginIntegrableObject(j); |
157 |
< |
integrableObject != NULL; |
158 |
< |
integrableObject = mol->nextIntegrableObject(j)) { |
156 |
> |
|
157 |
> |
for (sd = mol->beginIntegrableObject(j); sd != NULL; |
158 |
> |
sd = mol->nextIntegrableObject(j)) { |
159 |
> |
|
160 |
|
Shape* currShape = NULL; |
161 |
|
|
162 |
< |
if (integrableObject->isAtom()){ |
163 |
< |
Atom* atom = static_cast<Atom*>(integrableObject); |
162 |
> |
if (sd->isAtom()){ |
163 |
> |
Atom* atom = static_cast<Atom*>(sd); |
164 |
|
AtomType* atomType = atom->getAtomType(); |
165 |
< |
if (atomType->isGayBerne()) { |
166 |
< |
DirectionalAtomType* dAtomType = dynamic_cast<DirectionalAtomType*>(atomType); |
167 |
< |
GenericData* data = dAtomType->getPropertyByName("GayBerne"); |
168 |
< |
if (data != NULL) { |
169 |
< |
GayBerneParamGenericData* gayBerneData = dynamic_cast<GayBerneParamGenericData*>(data); |
164 |
< |
|
165 |
< |
if (gayBerneData != NULL) { |
166 |
< |
GayBerneParam gayBerneParam = gayBerneData->getData(); |
167 |
< |
currShape = new Ellipsoid(V3Zero, |
168 |
< |
gayBerneParam.GB_l / 2.0, |
169 |
< |
gayBerneParam.GB_d / 2.0, |
170 |
< |
Mat3x3d::identity()); |
171 |
< |
} else { |
172 |
< |
sprintf( painCave.errMsg, |
173 |
< |
"Can not cast GenericData to GayBerneParam\n"); |
174 |
< |
painCave.severity = OPENMD_ERROR; |
175 |
< |
painCave.isFatal = 1; |
176 |
< |
simError(); |
177 |
< |
} |
178 |
< |
} else { |
179 |
< |
sprintf( painCave.errMsg, "Can not find Parameters for GayBerne\n"); |
180 |
< |
painCave.severity = OPENMD_ERROR; |
181 |
< |
painCave.isFatal = 1; |
182 |
< |
simError(); |
183 |
< |
} |
165 |
> |
GayBerneAdapter gba = GayBerneAdapter(atomType); |
166 |
> |
if (gba.isGayBerne()) { |
167 |
> |
currShape = new Ellipsoid(V3Zero, gba.getL() / 2.0, |
168 |
> |
gba.getD() / 2.0, |
169 |
> |
Mat3x3d::identity()); |
170 |
|
} else { |
171 |
< |
if (atomType->isLennardJones()){ |
172 |
< |
GenericData* data = atomType->getPropertyByName("LennardJones"); |
173 |
< |
if (data != NULL) { |
188 |
< |
LJParamGenericData* ljData = dynamic_cast<LJParamGenericData*>(data); |
189 |
< |
if (ljData != NULL) { |
190 |
< |
LJParam ljParam = ljData->getData(); |
191 |
< |
currShape = new Sphere(atom->getPos(), ljParam.sigma/2.0); |
192 |
< |
} else { |
193 |
< |
sprintf( painCave.errMsg, |
194 |
< |
"Can not cast GenericData to LJParam\n"); |
195 |
< |
painCave.severity = OPENMD_ERROR; |
196 |
< |
painCave.isFatal = 1; |
197 |
< |
simError(); |
198 |
< |
} |
199 |
< |
} |
171 |
> |
LennardJonesAdapter lja = LennardJonesAdapter(atomType); |
172 |
> |
if (lja.isLennardJones()){ |
173 |
> |
currShape = new Sphere(atom->getPos(), lja.getSigma()/2.0); |
174 |
|
} else { |
175 |
|
int aNum = etab.GetAtomicNum((atom->getType()).c_str()); |
176 |
|
if (aNum != 0) { |
200 |
|
simError(); |
201 |
|
} |
202 |
|
|
229 |
– |
HydroProp* currHydroProp = currShape->getHydroProp(simParams->getViscosity(),simParams->getTargetTemp()); |
203 |
|
|
204 |
< |
std::map<std::string, HydroProp*>::iterator iter = hydroPropMap.find(integrableObject->getType()); |
204 |
> |
HydroProp* currHydroProp = currShape->getHydroProp(simParams->getViscosity(),simParams->getTargetTemp()); |
205 |
> |
std::map<std::string, HydroProp*>::iterator iter = hydroPropMap.find(sd->getType()); |
206 |
|
if (iter != hydroPropMap.end()) |
207 |
|
hydroProps_.push_back(iter->second); |
208 |
|
else { |
209 |
|
currHydroProp->complete(); |
210 |
< |
hydroPropMap.insert(std::map<std::string, HydroProp*>::value_type(integrableObject->getType(), currHydroProp)); |
210 |
> |
hydroPropMap.insert(std::map<std::string, HydroProp*>::value_type(sd->getType(), currHydroProp)); |
211 |
|
hydroProps_.push_back(currHydroProp); |
212 |
|
} |
213 |
+ |
delete currShape; |
214 |
|
} |
215 |
|
} |
216 |
|
} |
238 |
|
SimInfo::MoleculeIterator i; |
239 |
|
Molecule::IntegrableObjectIterator j; |
240 |
|
Molecule* mol; |
241 |
< |
StuntDouble* integrableObject; |
241 |
> |
StuntDouble* sd; |
242 |
|
RealType mass; |
243 |
|
Vector3d pos; |
244 |
|
Vector3d frc; |
275 |
|
} |
276 |
|
} |
277 |
|
|
278 |
< |
for (integrableObject = mol->beginIntegrableObject(j); integrableObject != NULL; |
279 |
< |
integrableObject = mol->nextIntegrableObject(j)) { |
278 |
> |
for (sd = mol->beginIntegrableObject(j); sd != NULL; |
279 |
> |
sd = mol->nextIntegrableObject(j)) { |
280 |
|
|
281 |
|
if (freezeMolecule) |
282 |
< |
fdf += integrableObject->freeze(); |
282 |
> |
fdf += sd->freeze(); |
283 |
|
|
284 |
|
if (doLangevinForces) { |
285 |
< |
mass = integrableObject->getMass(); |
286 |
< |
if (integrableObject->isDirectional()){ |
285 |
> |
mass = sd->getMass(); |
286 |
> |
if (sd->isDirectional()){ |
287 |
|
|
288 |
|
// preliminaries for directional objects: |
289 |
|
|
290 |
< |
A = integrableObject->getA(); |
290 |
> |
A = sd->getA(); |
291 |
|
Atrans = A.transpose(); |
292 |
|
Vector3d rcrLab = Atrans * hydroProps_[index]->getCOR(); |
293 |
|
|
298 |
|
genRandomForceAndTorque(randomForceBody, randomTorqueBody, index, variance_); |
299 |
|
Vector3d randomForceLab = Atrans * randomForceBody; |
300 |
|
Vector3d randomTorqueLab = Atrans * randomTorqueBody; |
301 |
+ |
sd->addFrc(randomForceLab); |
302 |
+ |
sd->addTrq(randomTorqueLab + cross(rcrLab, randomForceLab )); |
303 |
|
|
304 |
< |
integrableObject->addFrc(randomForceLab); |
328 |
< |
integrableObject->addTrq(randomTorqueLab + cross(rcrLab, randomForceLab )); |
329 |
< |
|
330 |
< |
Mat3x3d I = integrableObject->getI(); |
304 |
> |
Mat3x3d I = sd->getI(); |
305 |
|
Vector3d omegaBody; |
306 |
|
|
307 |
|
// What remains contains velocity explicitly, but the velocity required |
311 |
|
|
312 |
|
// this is the velocity at the half-step: |
313 |
|
|
314 |
< |
Vector3d vel =integrableObject->getVel(); |
315 |
< |
Vector3d angMom = integrableObject->getJ(); |
314 |
> |
Vector3d vel =sd->getVel(); |
315 |
> |
Vector3d angMom = sd->getJ(); |
316 |
|
|
317 |
|
//estimate velocity at full-step using everything but friction forces: |
318 |
|
|
319 |
< |
frc = integrableObject->getFrc(); |
319 |
> |
frc = sd->getFrc(); |
320 |
|
Vector3d velStep = vel + (dt2_ /mass * PhysicalConstants::energyConvert) * frc; |
321 |
|
|
322 |
< |
Tb = integrableObject->lab2Body(integrableObject->getTrq()); |
322 |
> |
Tb = sd->lab2Body(sd->getTrq()); |
323 |
|
Vector3d angMomStep = angMom + (dt2_ * PhysicalConstants::energyConvert) * Tb; |
324 |
|
|
325 |
|
Vector3d omegaLab; |
338 |
|
|
339 |
|
for (int k = 0; k < maxIterNum_; k++) { |
340 |
|
|
341 |
< |
if (integrableObject->isLinear()) { |
342 |
< |
int linearAxis = integrableObject->linearAxis(); |
341 |
> |
if (sd->isLinear()) { |
342 |
> |
int linearAxis = sd->linearAxis(); |
343 |
|
int l = (linearAxis +1 )%3; |
344 |
|
int m = (linearAxis +2 )%3; |
345 |
|
omegaBody[l] = angMomStep[l] /I(l, l); |
378 |
|
break; // iteration ends here |
379 |
|
} |
380 |
|
|
381 |
< |
integrableObject->addFrc(frictionForceLab); |
382 |
< |
integrableObject->addTrq(frictionTorqueLab + cross(rcrLab, frictionForceLab)); |
381 |
> |
sd->addFrc(frictionForceLab); |
382 |
> |
sd->addTrq(frictionTorqueLab + cross(rcrLab, frictionForceLab)); |
383 |
|
|
384 |
|
|
385 |
|
} else { |
388 |
|
Vector3d randomForce; |
389 |
|
Vector3d randomTorque; |
390 |
|
genRandomForceAndTorque(randomForce, randomTorque, index, variance_); |
391 |
< |
integrableObject->addFrc(randomForce); |
391 |
> |
sd->addFrc(randomForce); |
392 |
|
|
393 |
|
// What remains contains velocity explicitly, but the velocity required |
394 |
|
// is at the full step: v(t + h), while we have initially the velocity |
397 |
|
|
398 |
|
// this is the velocity at the half-step: |
399 |
|
|
400 |
< |
Vector3d vel =integrableObject->getVel(); |
400 |
> |
Vector3d vel =sd->getVel(); |
401 |
|
|
402 |
|
//estimate velocity at full-step using everything but friction forces: |
403 |
|
|
404 |
< |
frc = integrableObject->getFrc(); |
404 |
> |
frc = sd->getFrc(); |
405 |
|
Vector3d velStep = vel + (dt2_ / mass * PhysicalConstants::energyConvert) * frc; |
406 |
|
|
407 |
|
Vector3d frictionForce(0.0); |
427 |
|
break; // iteration ends here |
428 |
|
} |
429 |
|
|
430 |
< |
integrableObject->addFrc(frictionForce); |
430 |
> |
sd->addFrc(frictionForce); |
431 |
|
|
432 |
|
} |
433 |
|
} |