1 |
< |
/* |
1 |
> |
/* |
2 |
|
* Copyright (c) 2005 The University of Notre Dame. All Rights Reserved. |
3 |
|
* |
4 |
|
* The University of Notre Dame grants you ("Licensee") a |
42 |
|
#include <math.h> |
43 |
|
#include "primitives/RigidBody.hpp" |
44 |
|
#include "utils/simError.h" |
45 |
+ |
#include "utils/NumericConstant.hpp" |
46 |
|
namespace oopse { |
47 |
|
|
48 |
< |
RigidBody::RigidBody() : StuntDouble(otRigidBody, &Snapshot::rigidbodyData), inertiaTensor_(0.0){ |
48 |
> |
RigidBody::RigidBody() : StuntDouble(otRigidBody, &Snapshot::rigidbodyData), inertiaTensor_(0.0){ |
49 |
|
|
50 |
< |
} |
50 |
> |
} |
51 |
|
|
52 |
< |
void RigidBody::setPrevA(const RotMat3x3d& a) { |
52 |
> |
void RigidBody::setPrevA(const RotMat3x3d& a) { |
53 |
|
((snapshotMan_->getPrevSnapshot())->*storage_).aMat[localIndex_] = a; |
53 |
– |
//((snapshotMan_->getPrevSnapshot())->*storage_).electroFrame[localIndex_] = a.transpose() * sU_; |
54 |
|
|
55 |
|
for (int i =0 ; i < atoms_.size(); ++i){ |
56 |
< |
if (atoms_[i]->isDirectional()) { |
57 |
< |
atoms_[i]->setPrevA(a * refOrients_[i]); |
58 |
< |
} |
56 |
> |
if (atoms_[i]->isDirectional()) { |
57 |
> |
atoms_[i]->setPrevA(refOrients_[i].transpose() * a); |
58 |
> |
} |
59 |
|
} |
60 |
|
|
61 |
< |
} |
61 |
> |
} |
62 |
|
|
63 |
|
|
64 |
< |
void RigidBody::setA(const RotMat3x3d& a) { |
64 |
> |
void RigidBody::setA(const RotMat3x3d& a) { |
65 |
|
((snapshotMan_->getCurrentSnapshot())->*storage_).aMat[localIndex_] = a; |
66 |
– |
//((snapshotMan_->getCurrentSnapshot())->*storage_).electroFrame[localIndex_] = a.transpose() * sU_; |
66 |
|
|
67 |
|
for (int i =0 ; i < atoms_.size(); ++i){ |
68 |
< |
if (atoms_[i]->isDirectional()) { |
69 |
< |
atoms_[i]->setA(a * refOrients_[i]); |
70 |
< |
} |
68 |
> |
if (atoms_[i]->isDirectional()) { |
69 |
> |
atoms_[i]->setA(refOrients_[i].transpose() * a); |
70 |
> |
} |
71 |
|
} |
72 |
< |
} |
72 |
> |
} |
73 |
|
|
74 |
< |
void RigidBody::setA(const RotMat3x3d& a, int snapshotNo) { |
74 |
> |
void RigidBody::setA(const RotMat3x3d& a, int snapshotNo) { |
75 |
|
((snapshotMan_->getSnapshot(snapshotNo))->*storage_).aMat[localIndex_] = a; |
76 |
|
//((snapshotMan_->getSnapshot(snapshotNo))->*storage_).electroFrame[localIndex_] = a.transpose() * sU_; |
77 |
|
|
78 |
|
for (int i =0 ; i < atoms_.size(); ++i){ |
79 |
< |
if (atoms_[i]->isDirectional()) { |
80 |
< |
atoms_[i]->setA(a * refOrients_[i], snapshotNo); |
81 |
< |
} |
79 |
> |
if (atoms_[i]->isDirectional()) { |
80 |
> |
atoms_[i]->setA(refOrients_[i].transpose() * a, snapshotNo); |
81 |
> |
} |
82 |
|
} |
83 |
|
|
84 |
< |
} |
84 |
> |
} |
85 |
|
|
86 |
< |
Mat3x3d RigidBody::getI() { |
86 |
> |
Mat3x3d RigidBody::getI() { |
87 |
|
return inertiaTensor_; |
88 |
< |
} |
88 |
> |
} |
89 |
|
|
90 |
< |
std::vector<double> RigidBody::getGrad() { |
91 |
< |
std::vector<double> grad(6, 0.0); |
90 |
> |
std::vector<RealType> RigidBody::getGrad() { |
91 |
> |
std::vector<RealType> grad(6, 0.0); |
92 |
|
Vector3d force; |
93 |
|
Vector3d torque; |
94 |
|
Vector3d myEuler; |
95 |
< |
double phi, theta, psi; |
96 |
< |
double cphi, sphi, ctheta, stheta; |
95 |
> |
RealType phi, theta, psi; |
96 |
> |
RealType cphi, sphi, ctheta, stheta; |
97 |
|
Vector3d ephi; |
98 |
|
Vector3d etheta; |
99 |
|
Vector3d epsi; |
127 |
|
|
128 |
|
//gradient is equal to -force |
129 |
|
for (int j = 0 ; j<3; j++) |
130 |
< |
grad[j] = -force[j]; |
130 |
> |
grad[j] = -force[j]; |
131 |
|
|
132 |
|
for (int j = 0; j < 3; j++ ) { |
133 |
|
|
134 |
< |
grad[3] += torque[j]*ephi[j]; |
135 |
< |
grad[4] += torque[j]*etheta[j]; |
136 |
< |
grad[5] += torque[j]*epsi[j]; |
134 |
> |
grad[3] += torque[j]*ephi[j]; |
135 |
> |
grad[4] += torque[j]*etheta[j]; |
136 |
> |
grad[5] += torque[j]*epsi[j]; |
137 |
|
|
138 |
|
} |
139 |
|
|
140 |
|
return grad; |
141 |
< |
} |
141 |
> |
} |
142 |
|
|
143 |
< |
void RigidBody::accept(BaseVisitor* v) { |
143 |
> |
void RigidBody::accept(BaseVisitor* v) { |
144 |
|
v->visit(this); |
145 |
< |
} |
145 |
> |
} |
146 |
|
|
147 |
< |
/**@todo need modification */ |
148 |
< |
void RigidBody::calcRefCoords() { |
149 |
< |
double mtmp; |
147 |
> |
/**@todo need modification */ |
148 |
> |
void RigidBody::calcRefCoords() { |
149 |
> |
RealType mtmp; |
150 |
|
Vector3d refCOM(0.0); |
151 |
|
mass_ = 0.0; |
152 |
|
for (std::size_t i = 0; i < atoms_.size(); ++i) { |
153 |
< |
mtmp = atoms_[i]->getMass(); |
154 |
< |
mass_ += mtmp; |
155 |
< |
refCOM += refCoords_[i]*mtmp; |
153 |
> |
mtmp = atoms_[i]->getMass(); |
154 |
> |
mass_ += mtmp; |
155 |
> |
refCOM += refCoords_[i]*mtmp; |
156 |
|
} |
157 |
|
refCOM /= mass_; |
158 |
|
|
159 |
|
// Next, move the origin of the reference coordinate system to the COM: |
160 |
|
for (std::size_t i = 0; i < atoms_.size(); ++i) { |
161 |
< |
refCoords_[i] -= refCOM; |
161 |
> |
refCoords_[i] -= refCOM; |
162 |
|
} |
163 |
|
|
164 |
< |
// Moment of Inertia calculation |
165 |
< |
Mat3x3d Itmp(0.0); |
167 |
< |
|
164 |
> |
// Moment of Inertia calculation |
165 |
> |
Mat3x3d Itmp(0.0); |
166 |
|
for (std::size_t i = 0; i < atoms_.size(); i++) { |
167 |
< |
mtmp = atoms_[i]->getMass(); |
168 |
< |
Itmp -= outProduct(refCoords_[i], refCoords_[i]) * mtmp; |
169 |
< |
double r2 = refCoords_[i].lengthSquare(); |
170 |
< |
Itmp(0, 0) += mtmp * r2; |
171 |
< |
Itmp(1, 1) += mtmp * r2; |
172 |
< |
Itmp(2, 2) += mtmp * r2; |
173 |
< |
} |
167 |
> |
Mat3x3d IAtom(0.0); |
168 |
> |
mtmp = atoms_[i]->getMass(); |
169 |
> |
IAtom -= outProduct(refCoords_[i], refCoords_[i]) * mtmp; |
170 |
> |
RealType r2 = refCoords_[i].lengthSquare(); |
171 |
> |
IAtom(0, 0) += mtmp * r2; |
172 |
> |
IAtom(1, 1) += mtmp * r2; |
173 |
> |
IAtom(2, 2) += mtmp * r2; |
174 |
> |
Itmp += IAtom; |
175 |
|
|
176 |
< |
//project the inertial moment of directional atoms into this rigid body |
177 |
< |
for (std::size_t i = 0; i < atoms_.size(); i++) { |
178 |
< |
if (atoms_[i]->isDirectional()) { |
179 |
< |
RectMatrix<double, 3, 3> Iproject = refOrients_[i].transpose() * atoms_[i]->getI(); |
181 |
< |
Itmp(0, 0) += Iproject(0, 0); |
182 |
< |
Itmp(1, 1) += Iproject(1, 1); |
183 |
< |
Itmp(2, 2) += Iproject(2, 2); |
184 |
< |
} |
176 |
> |
//project the inertial moment of directional atoms into this rigid body |
177 |
> |
if (atoms_[i]->isDirectional()) { |
178 |
> |
Itmp += refOrients_[i].transpose() * atoms_[i]->getI() * refOrients_[i]; |
179 |
> |
} |
180 |
|
} |
181 |
|
|
182 |
+ |
// std::cout << Itmp << std::endl; |
183 |
+ |
|
184 |
|
//diagonalize |
185 |
|
Vector3d evals; |
186 |
|
Mat3x3d::diagonalize(Itmp, evals, sU_); |
192 |
|
|
193 |
|
int nLinearAxis = 0; |
194 |
|
for (int i = 0; i < 3; i++) { |
195 |
< |
if (fabs(evals[i]) < oopse::epsilon) { |
196 |
< |
linear_ = true; |
197 |
< |
linearAxis_ = i; |
198 |
< |
++ nLinearAxis; |
199 |
< |
} |
195 |
> |
if (fabs(evals[i]) < oopse::epsilon) { |
196 |
> |
linear_ = true; |
197 |
> |
linearAxis_ = i; |
198 |
> |
++ nLinearAxis; |
199 |
> |
} |
200 |
|
} |
201 |
|
|
202 |
|
if (nLinearAxis > 1) { |
203 |
< |
sprintf( painCave.errMsg, |
204 |
< |
"RigidBody error.\n" |
205 |
< |
"\tOOPSE found more than one axis in this rigid body with a vanishing \n" |
206 |
< |
"\tmoment of inertia. This can happen in one of three ways:\n" |
207 |
< |
"\t 1) Only one atom was specified, or \n" |
208 |
< |
"\t 2) All atoms were specified at the same location, or\n" |
209 |
< |
"\t 3) The programmers did something stupid.\n" |
210 |
< |
"\tIt is silly to use a rigid body to describe this situation. Be smarter.\n" |
211 |
< |
); |
212 |
< |
painCave.isFatal = 1; |
213 |
< |
simError(); |
203 |
> |
sprintf( painCave.errMsg, |
204 |
> |
"RigidBody error.\n" |
205 |
> |
"\tOOPSE found more than one axis in this rigid body with a vanishing \n" |
206 |
> |
"\tmoment of inertia. This can happen in one of three ways:\n" |
207 |
> |
"\t 1) Only one atom was specified, or \n" |
208 |
> |
"\t 2) All atoms were specified at the same location, or\n" |
209 |
> |
"\t 3) The programmers did something stupid.\n" |
210 |
> |
"\tIt is silly to use a rigid body to describe this situation. Be smarter.\n" |
211 |
> |
); |
212 |
> |
painCave.isFatal = 1; |
213 |
> |
simError(); |
214 |
|
} |
215 |
|
|
216 |
< |
} |
216 |
> |
} |
217 |
|
|
218 |
< |
void RigidBody::calcForcesAndTorques() { |
218 |
> |
void RigidBody::calcForcesAndTorques() { |
219 |
|
Vector3d afrc; |
220 |
|
Vector3d atrq; |
221 |
|
Vector3d apos; |
222 |
|
Vector3d rpos; |
223 |
|
Vector3d frc(0.0); |
224 |
< |
Vector3d trq(0.0); |
224 |
> |
Vector3d trq(0.0); |
225 |
|
Vector3d pos = this->getPos(); |
226 |
|
for (int i = 0; i < atoms_.size(); i++) { |
227 |
|
|
228 |
< |
afrc = atoms_[i]->getFrc(); |
229 |
< |
apos = atoms_[i]->getPos(); |
230 |
< |
rpos = apos - pos; |
228 |
> |
afrc = atoms_[i]->getFrc(); |
229 |
> |
apos = atoms_[i]->getPos(); |
230 |
> |
rpos = apos - pos; |
231 |
|
|
232 |
< |
frc += afrc; |
232 |
> |
frc += afrc; |
233 |
|
|
234 |
< |
trq[0] += rpos[1]*afrc[2] - rpos[2]*afrc[1]; |
235 |
< |
trq[1] += rpos[2]*afrc[0] - rpos[0]*afrc[2]; |
236 |
< |
trq[2] += rpos[0]*afrc[1] - rpos[1]*afrc[0]; |
234 |
> |
trq[0] += rpos[1]*afrc[2] - rpos[2]*afrc[1]; |
235 |
> |
trq[1] += rpos[2]*afrc[0] - rpos[0]*afrc[2]; |
236 |
> |
trq[2] += rpos[0]*afrc[1] - rpos[1]*afrc[0]; |
237 |
|
|
238 |
< |
// If the atom has a torque associated with it, then we also need to |
239 |
< |
// migrate the torques onto the center of mass: |
238 |
> |
// If the atom has a torque associated with it, then we also need to |
239 |
> |
// migrate the torques onto the center of mass: |
240 |
|
|
241 |
< |
if (atoms_[i]->isDirectional()) { |
242 |
< |
atrq = atoms_[i]->getTrq(); |
243 |
< |
trq += atrq; |
244 |
< |
} |
241 |
> |
if (atoms_[i]->isDirectional()) { |
242 |
> |
atrq = atoms_[i]->getTrq(); |
243 |
> |
trq += atrq; |
244 |
> |
} |
245 |
> |
} |
246 |
> |
addFrc(frc); |
247 |
> |
addTrq(trq); |
248 |
> |
} |
249 |
> |
|
250 |
> |
Mat3x3d RigidBody::calcForcesAndTorquesAndVirial() { |
251 |
> |
Vector3d afrc; |
252 |
> |
Vector3d atrq; |
253 |
> |
Vector3d apos; |
254 |
> |
Vector3d rpos; |
255 |
> |
Vector3d frc(0.0); |
256 |
> |
Vector3d trq(0.0); |
257 |
> |
Vector3d pos = this->getPos(); |
258 |
> |
Mat3x3d tau_(0.0); |
259 |
> |
|
260 |
> |
for (int i = 0; i < atoms_.size(); i++) { |
261 |
> |
|
262 |
> |
afrc = atoms_[i]->getFrc(); |
263 |
> |
apos = atoms_[i]->getPos(); |
264 |
> |
rpos = apos - pos; |
265 |
|
|
266 |
< |
} |
250 |
< |
|
251 |
< |
setFrc(frc); |
252 |
< |
setTrq(trq); |
253 |
< |
|
254 |
< |
} |
266 |
> |
frc += afrc; |
267 |
|
|
268 |
< |
void RigidBody::updateAtoms() { |
268 |
> |
trq[0] += rpos[1]*afrc[2] - rpos[2]*afrc[1]; |
269 |
> |
trq[1] += rpos[2]*afrc[0] - rpos[0]*afrc[2]; |
270 |
> |
trq[2] += rpos[0]*afrc[1] - rpos[1]*afrc[0]; |
271 |
> |
|
272 |
> |
// If the atom has a torque associated with it, then we also need to |
273 |
> |
// migrate the torques onto the center of mass: |
274 |
> |
|
275 |
> |
if (atoms_[i]->isDirectional()) { |
276 |
> |
atrq = atoms_[i]->getTrq(); |
277 |
> |
trq += atrq; |
278 |
> |
} |
279 |
> |
|
280 |
> |
tau_(0,0) -= rpos[0]*afrc[0]; |
281 |
> |
tau_(0,1) -= rpos[0]*afrc[1]; |
282 |
> |
tau_(0,2) -= rpos[0]*afrc[2]; |
283 |
> |
tau_(1,0) -= rpos[1]*afrc[0]; |
284 |
> |
tau_(1,1) -= rpos[1]*afrc[1]; |
285 |
> |
tau_(1,2) -= rpos[1]*afrc[2]; |
286 |
> |
tau_(2,0) -= rpos[2]*afrc[0]; |
287 |
> |
tau_(2,1) -= rpos[2]*afrc[1]; |
288 |
> |
tau_(2,2) -= rpos[2]*afrc[2]; |
289 |
> |
|
290 |
> |
} |
291 |
> |
addFrc(frc); |
292 |
> |
addTrq(trq); |
293 |
> |
return tau_; |
294 |
> |
} |
295 |
> |
|
296 |
> |
void RigidBody::updateAtoms() { |
297 |
|
unsigned int i; |
298 |
|
Vector3d ref; |
299 |
|
Vector3d apos; |
303 |
|
|
304 |
|
for (i = 0; i < atoms_.size(); i++) { |
305 |
|
|
306 |
< |
ref = body2Lab(refCoords_[i]); |
306 |
> |
ref = body2Lab(refCoords_[i]); |
307 |
|
|
308 |
< |
apos = pos + ref; |
308 |
> |
apos = pos + ref; |
309 |
|
|
310 |
< |
atoms_[i]->setPos(apos); |
310 |
> |
atoms_[i]->setPos(apos); |
311 |
|
|
312 |
< |
if (atoms_[i]->isDirectional()) { |
312 |
> |
if (atoms_[i]->isDirectional()) { |
313 |
|
|
314 |
< |
dAtom = (DirectionalAtom *) atoms_[i]; |
315 |
< |
dAtom->setA(a * refOrients_[i]); |
316 |
< |
//dAtom->rotateBy( A ); |
277 |
< |
} |
314 |
> |
dAtom = (DirectionalAtom *) atoms_[i]; |
315 |
> |
dAtom->setA(refOrients_[i].transpose() * a); |
316 |
> |
} |
317 |
|
|
318 |
|
} |
319 |
|
|
320 |
< |
} |
320 |
> |
} |
321 |
|
|
322 |
|
|
323 |
< |
void RigidBody::updateAtoms(int frame) { |
323 |
> |
void RigidBody::updateAtoms(int frame) { |
324 |
|
unsigned int i; |
325 |
|
Vector3d ref; |
326 |
|
Vector3d apos; |
330 |
|
|
331 |
|
for (i = 0; i < atoms_.size(); i++) { |
332 |
|
|
333 |
< |
ref = body2Lab(refCoords_[i], frame); |
333 |
> |
ref = body2Lab(refCoords_[i], frame); |
334 |
|
|
335 |
< |
apos = pos + ref; |
335 |
> |
apos = pos + ref; |
336 |
|
|
337 |
< |
atoms_[i]->setPos(apos, frame); |
337 |
> |
atoms_[i]->setPos(apos, frame); |
338 |
|
|
339 |
< |
if (atoms_[i]->isDirectional()) { |
339 |
> |
if (atoms_[i]->isDirectional()) { |
340 |
|
|
341 |
< |
dAtom = (DirectionalAtom *) atoms_[i]; |
342 |
< |
dAtom->setA(a * refOrients_[i], frame); |
343 |
< |
} |
341 |
> |
dAtom = (DirectionalAtom *) atoms_[i]; |
342 |
> |
dAtom->setA(refOrients_[i].transpose() * a, frame); |
343 |
> |
} |
344 |
|
|
345 |
|
} |
346 |
|
|
347 |
< |
} |
347 |
> |
} |
348 |
|
|
349 |
< |
void RigidBody::updateAtomVel() { |
349 |
> |
void RigidBody::updateAtomVel() { |
350 |
|
Mat3x3d skewMat;; |
351 |
|
|
352 |
|
Vector3d ji = getJ(); |
370 |
|
|
371 |
|
Vector3d velRot; |
372 |
|
for (int i =0 ; i < refCoords_.size(); ++i) { |
373 |
< |
atoms_[i]->setVel(rbVel + mat * refCoords_[i]); |
373 |
> |
atoms_[i]->setVel(rbVel + mat * refCoords_[i]); |
374 |
|
} |
375 |
|
|
376 |
< |
} |
376 |
> |
} |
377 |
|
|
378 |
< |
void RigidBody::updateAtomVel(int frame) { |
378 |
> |
void RigidBody::updateAtomVel(int frame) { |
379 |
|
Mat3x3d skewMat;; |
380 |
|
|
381 |
|
Vector3d ji = getJ(frame); |
399 |
|
|
400 |
|
Vector3d velRot; |
401 |
|
for (int i =0 ; i < refCoords_.size(); ++i) { |
402 |
< |
atoms_[i]->setVel(rbVel + mat * refCoords_[i], frame); |
402 |
> |
atoms_[i]->setVel(rbVel + mat * refCoords_[i], frame); |
403 |
|
} |
404 |
|
|
405 |
< |
} |
405 |
> |
} |
406 |
|
|
407 |
|
|
408 |
|
|
409 |
< |
bool RigidBody::getAtomPos(Vector3d& pos, unsigned int index) { |
409 |
> |
bool RigidBody::getAtomPos(Vector3d& pos, unsigned int index) { |
410 |
|
if (index < atoms_.size()) { |
411 |
|
|
412 |
< |
Vector3d ref = body2Lab(refCoords_[index]); |
413 |
< |
pos = getPos() + ref; |
414 |
< |
return true; |
412 |
> |
Vector3d ref = body2Lab(refCoords_[index]); |
413 |
> |
pos = getPos() + ref; |
414 |
> |
return true; |
415 |
|
} else { |
416 |
< |
std::cerr << index << " is an invalid index, current rigid body contains " |
417 |
< |
<< atoms_.size() << "atoms" << std::endl; |
418 |
< |
return false; |
416 |
> |
std::cerr << index << " is an invalid index, current rigid body contains " |
417 |
> |
<< atoms_.size() << "atoms" << std::endl; |
418 |
> |
return false; |
419 |
|
} |
420 |
< |
} |
420 |
> |
} |
421 |
|
|
422 |
< |
bool RigidBody::getAtomPos(Vector3d& pos, Atom* atom) { |
422 |
> |
bool RigidBody::getAtomPos(Vector3d& pos, Atom* atom) { |
423 |
|
std::vector<Atom*>::iterator i; |
424 |
|
i = std::find(atoms_.begin(), atoms_.end(), atom); |
425 |
|
if (i != atoms_.end()) { |
426 |
< |
//RigidBody class makes sure refCoords_ and atoms_ match each other |
427 |
< |
Vector3d ref = body2Lab(refCoords_[i - atoms_.begin()]); |
428 |
< |
pos = getPos() + ref; |
429 |
< |
return true; |
426 |
> |
//RigidBody class makes sure refCoords_ and atoms_ match each other |
427 |
> |
Vector3d ref = body2Lab(refCoords_[i - atoms_.begin()]); |
428 |
> |
pos = getPos() + ref; |
429 |
> |
return true; |
430 |
|
} else { |
431 |
< |
std::cerr << "Atom " << atom->getGlobalIndex() |
432 |
< |
<<" does not belong to Rigid body "<< getGlobalIndex() << std::endl; |
433 |
< |
return false; |
431 |
> |
std::cerr << "Atom " << atom->getGlobalIndex() |
432 |
> |
<<" does not belong to Rigid body "<< getGlobalIndex() << std::endl; |
433 |
> |
return false; |
434 |
|
} |
435 |
< |
} |
436 |
< |
bool RigidBody::getAtomVel(Vector3d& vel, unsigned int index) { |
435 |
> |
} |
436 |
> |
bool RigidBody::getAtomVel(Vector3d& vel, unsigned int index) { |
437 |
|
|
438 |
|
//velRot = $(A\cdot skew(I^{-1}j))^{T}refCoor$ |
439 |
|
|
440 |
|
if (index < atoms_.size()) { |
441 |
|
|
442 |
< |
Vector3d velRot; |
443 |
< |
Mat3x3d skewMat;; |
444 |
< |
Vector3d ref = refCoords_[index]; |
445 |
< |
Vector3d ji = getJ(); |
446 |
< |
Mat3x3d I = getI(); |
442 |
> |
Vector3d velRot; |
443 |
> |
Mat3x3d skewMat;; |
444 |
> |
Vector3d ref = refCoords_[index]; |
445 |
> |
Vector3d ji = getJ(); |
446 |
> |
Mat3x3d I = getI(); |
447 |
|
|
448 |
< |
skewMat(0, 0) =0; |
449 |
< |
skewMat(0, 1) = ji[2] /I(2, 2); |
450 |
< |
skewMat(0, 2) = -ji[1] /I(1, 1); |
448 |
> |
skewMat(0, 0) =0; |
449 |
> |
skewMat(0, 1) = ji[2] /I(2, 2); |
450 |
> |
skewMat(0, 2) = -ji[1] /I(1, 1); |
451 |
|
|
452 |
< |
skewMat(1, 0) = -ji[2] /I(2, 2); |
453 |
< |
skewMat(1, 1) = 0; |
454 |
< |
skewMat(1, 2) = ji[0]/I(0, 0); |
452 |
> |
skewMat(1, 0) = -ji[2] /I(2, 2); |
453 |
> |
skewMat(1, 1) = 0; |
454 |
> |
skewMat(1, 2) = ji[0]/I(0, 0); |
455 |
|
|
456 |
< |
skewMat(2, 0) =ji[1] /I(1, 1); |
457 |
< |
skewMat(2, 1) = -ji[0]/I(0, 0); |
458 |
< |
skewMat(2, 2) = 0; |
456 |
> |
skewMat(2, 0) =ji[1] /I(1, 1); |
457 |
> |
skewMat(2, 1) = -ji[0]/I(0, 0); |
458 |
> |
skewMat(2, 2) = 0; |
459 |
|
|
460 |
< |
velRot = (getA() * skewMat).transpose() * ref; |
460 |
> |
velRot = (getA() * skewMat).transpose() * ref; |
461 |
|
|
462 |
< |
vel =getVel() + velRot; |
463 |
< |
return true; |
462 |
> |
vel =getVel() + velRot; |
463 |
> |
return true; |
464 |
|
|
465 |
|
} else { |
466 |
< |
std::cerr << index << " is an invalid index, current rigid body contains " |
467 |
< |
<< atoms_.size() << "atoms" << std::endl; |
468 |
< |
return false; |
466 |
> |
std::cerr << index << " is an invalid index, current rigid body contains " |
467 |
> |
<< atoms_.size() << "atoms" << std::endl; |
468 |
> |
return false; |
469 |
|
} |
470 |
< |
} |
470 |
> |
} |
471 |
|
|
472 |
< |
bool RigidBody::getAtomVel(Vector3d& vel, Atom* atom) { |
472 |
> |
bool RigidBody::getAtomVel(Vector3d& vel, Atom* atom) { |
473 |
|
|
474 |
|
std::vector<Atom*>::iterator i; |
475 |
|
i = std::find(atoms_.begin(), atoms_.end(), atom); |
476 |
|
if (i != atoms_.end()) { |
477 |
< |
return getAtomVel(vel, i - atoms_.begin()); |
477 |
> |
return getAtomVel(vel, i - atoms_.begin()); |
478 |
|
} else { |
479 |
< |
std::cerr << "Atom " << atom->getGlobalIndex() |
480 |
< |
<<" does not belong to Rigid body "<< getGlobalIndex() << std::endl; |
481 |
< |
return false; |
479 |
> |
std::cerr << "Atom " << atom->getGlobalIndex() |
480 |
> |
<<" does not belong to Rigid body "<< getGlobalIndex() << std::endl; |
481 |
> |
return false; |
482 |
|
} |
483 |
< |
} |
483 |
> |
} |
484 |
|
|
485 |
< |
bool RigidBody::getAtomRefCoor(Vector3d& coor, unsigned int index) { |
485 |
> |
bool RigidBody::getAtomRefCoor(Vector3d& coor, unsigned int index) { |
486 |
|
if (index < atoms_.size()) { |
487 |
|
|
488 |
< |
coor = refCoords_[index]; |
489 |
< |
return true; |
488 |
> |
coor = refCoords_[index]; |
489 |
> |
return true; |
490 |
|
} else { |
491 |
< |
std::cerr << index << " is an invalid index, current rigid body contains " |
492 |
< |
<< atoms_.size() << "atoms" << std::endl; |
493 |
< |
return false; |
491 |
> |
std::cerr << index << " is an invalid index, current rigid body contains " |
492 |
> |
<< atoms_.size() << "atoms" << std::endl; |
493 |
> |
return false; |
494 |
|
} |
495 |
|
|
496 |
< |
} |
496 |
> |
} |
497 |
|
|
498 |
< |
bool RigidBody::getAtomRefCoor(Vector3d& coor, Atom* atom) { |
498 |
> |
bool RigidBody::getAtomRefCoor(Vector3d& coor, Atom* atom) { |
499 |
|
std::vector<Atom*>::iterator i; |
500 |
|
i = std::find(atoms_.begin(), atoms_.end(), atom); |
501 |
|
if (i != atoms_.end()) { |
502 |
< |
//RigidBody class makes sure refCoords_ and atoms_ match each other |
503 |
< |
coor = refCoords_[i - atoms_.begin()]; |
504 |
< |
return true; |
502 |
> |
//RigidBody class makes sure refCoords_ and atoms_ match each other |
503 |
> |
coor = refCoords_[i - atoms_.begin()]; |
504 |
> |
return true; |
505 |
|
} else { |
506 |
< |
std::cerr << "Atom " << atom->getGlobalIndex() |
507 |
< |
<<" does not belong to Rigid body "<< getGlobalIndex() << std::endl; |
508 |
< |
return false; |
506 |
> |
std::cerr << "Atom " << atom->getGlobalIndex() |
507 |
> |
<<" does not belong to Rigid body "<< getGlobalIndex() << std::endl; |
508 |
> |
return false; |
509 |
|
} |
510 |
|
|
511 |
< |
} |
511 |
> |
} |
512 |
|
|
513 |
|
|
514 |
< |
void RigidBody::addAtom(Atom* at, AtomStamp* ats) { |
514 |
> |
void RigidBody::addAtom(Atom* at, AtomStamp* ats) { |
515 |
|
|
516 |
< |
Vector3d coords; |
517 |
< |
Vector3d euler; |
516 |
> |
Vector3d coords; |
517 |
> |
Vector3d euler; |
518 |
|
|
519 |
|
|
520 |
< |
atoms_.push_back(at); |
520 |
> |
atoms_.push_back(at); |
521 |
|
|
522 |
< |
if( !ats->havePosition() ){ |
523 |
< |
sprintf( painCave.errMsg, |
524 |
< |
"RigidBody error.\n" |
525 |
< |
"\tAtom %s does not have a position specified.\n" |
526 |
< |
"\tThis means RigidBody cannot set up reference coordinates.\n", |
527 |
< |
ats->getType() ); |
528 |
< |
painCave.isFatal = 1; |
529 |
< |
simError(); |
530 |
< |
} |
522 |
> |
if( !ats->havePosition() ){ |
523 |
> |
sprintf( painCave.errMsg, |
524 |
> |
"RigidBody error.\n" |
525 |
> |
"\tAtom %s does not have a position specified.\n" |
526 |
> |
"\tThis means RigidBody cannot set up reference coordinates.\n", |
527 |
> |
ats->getType().c_str() ); |
528 |
> |
painCave.isFatal = 1; |
529 |
> |
simError(); |
530 |
> |
} |
531 |
|
|
532 |
< |
coords[0] = ats->getPosX(); |
533 |
< |
coords[1] = ats->getPosY(); |
534 |
< |
coords[2] = ats->getPosZ(); |
532 |
> |
coords[0] = ats->getPosX(); |
533 |
> |
coords[1] = ats->getPosY(); |
534 |
> |
coords[2] = ats->getPosZ(); |
535 |
|
|
536 |
< |
refCoords_.push_back(coords); |
536 |
> |
refCoords_.push_back(coords); |
537 |
|
|
538 |
< |
RotMat3x3d identMat = RotMat3x3d::identity(); |
538 |
> |
RotMat3x3d identMat = RotMat3x3d::identity(); |
539 |
|
|
540 |
< |
if (at->isDirectional()) { |
540 |
> |
if (at->isDirectional()) { |
541 |
|
|
542 |
< |
if( !ats->haveOrientation() ){ |
543 |
< |
sprintf( painCave.errMsg, |
544 |
< |
"RigidBody error.\n" |
545 |
< |
"\tAtom %s does not have an orientation specified.\n" |
546 |
< |
"\tThis means RigidBody cannot set up reference orientations.\n", |
547 |
< |
ats->getType() ); |
548 |
< |
painCave.isFatal = 1; |
549 |
< |
simError(); |
550 |
< |
} |
542 |
> |
if( !ats->haveOrientation() ){ |
543 |
> |
sprintf( painCave.errMsg, |
544 |
> |
"RigidBody error.\n" |
545 |
> |
"\tAtom %s does not have an orientation specified.\n" |
546 |
> |
"\tThis means RigidBody cannot set up reference orientations.\n", |
547 |
> |
ats->getType().c_str() ); |
548 |
> |
painCave.isFatal = 1; |
549 |
> |
simError(); |
550 |
> |
} |
551 |
|
|
552 |
< |
euler[0] = ats->getEulerPhi(); |
553 |
< |
euler[1] = ats->getEulerTheta(); |
554 |
< |
euler[2] = ats->getEulerPsi(); |
552 |
> |
euler[0] = ats->getEulerPhi() * NumericConstant::PI /180.0; |
553 |
> |
euler[1] = ats->getEulerTheta() * NumericConstant::PI /180.0; |
554 |
> |
euler[2] = ats->getEulerPsi() * NumericConstant::PI /180.0; |
555 |
|
|
556 |
< |
RotMat3x3d Atmp(euler); |
557 |
< |
refOrients_.push_back(Atmp); |
556 |
> |
RotMat3x3d Atmp(euler); |
557 |
> |
refOrients_.push_back(Atmp); |
558 |
|
|
559 |
< |
}else { |
560 |
< |
refOrients_.push_back(identMat); |
561 |
< |
} |
559 |
> |
}else { |
560 |
> |
refOrients_.push_back(identMat); |
561 |
> |
} |
562 |
|
|
563 |
|
|
564 |
< |
} |
564 |
> |
} |
565 |
|
|
566 |
|
} |
567 |
|
|