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Comparing:
trunk/src/brains/ForceManager.cpp (file contents), Revision 246 by gezelter, Wed Jan 12 22:41:40 2005 UTC vs.
branches/heatflux/src/brains/ForceManager.cpp (file contents), Revision 1682 by chuckv, Tue Feb 28 23:11:22 2012 UTC

# Line 1 | Line 1
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
# Line 6 | Line 6
6   * redistribute this software in source and binary code form, provided
7   * that the following conditions are met:
8   *
9 < * 1. Acknowledgement of the program authors must be made in any
10 < *    publication of scientific results based in part on use of the
11 < *    program.  An acceptable form of acknowledgement is citation of
12 < *    the article in which the program was described (Matthew
13 < *    A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher
14 < *    J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented
15 < *    Parallel Simulation Engine for Molecular Dynamics,"
16 < *    J. Comput. Chem. 26, pp. 252-271 (2005))
17 < *
18 < * 2. Redistributions of source code must retain the above copyright
9 > * 1. Redistributions of source code must retain the above copyright
10   *    notice, this list of conditions and the following disclaimer.
11   *
12 < * 3. Redistributions in binary form must reproduce the above copyright
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.
# Line 37 | Line 28
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]  Vardeman & Gezelter, in progress (2009).
40   */
41
42 /**
43  * @file ForceManager.cpp
44  * @author tlin
45  * @date 11/09/2004
46  * @time 10:39am
47  * @version 1.0
48  */
41  
42 + /**
43 + * @file ForceManager.cpp
44 + * @author tlin
45 + * @date 11/09/2004
46 + * @time 10:39am
47 + * @version 1.0
48 + */
49 +
50   #include "brains/ForceManager.hpp"
51   #include "primitives/Molecule.hpp"
52   #include "UseTheForce/doForces_interface.h"
53 + #define __OPENMD_C
54 + #include "UseTheForce/DarkSide/fInteractionMap.h"
55   #include "utils/simError.h"
56 < namespace oopse {
56 > #include "primitives/Bond.hpp"
57 > #include "primitives/Bend.hpp"
58 > #include "primitives/Torsion.hpp"
59 > #include "primitives/Inversion.hpp"
60 > namespace OpenMD {
61  
62 < void ForceManager::calcForces(bool needPotential, bool needStress) {
62 >  void ForceManager::calcForces() {
63  
64      if (!info_->isFortranInitialized()) {
65 <        info_->update();
65 >      info_->update();
66      }
67  
68      preCalculation();
69 <    
69 >
70      calcShortRangeInteraction();
71  
72 <    calcLongRangeInteraction(needPotential, needStress);
72 >    calcLongRangeInteraction();
73  
74      postCalculation();
69        
70 }
75  
76 < void ForceManager::preCalculation() {
76 >  }
77 >
78 >  void ForceManager::preCalculation() {
79      SimInfo::MoleculeIterator mi;
80      Molecule* mol;
81      Molecule::AtomIterator ai;
82      Atom* atom;
83      Molecule::RigidBodyIterator rbIter;
84      RigidBody* rb;
85 <    
85 >
86      // forces are zeroed here, before any are accumulated.
87      // NOTE: do not rezero the forces in Fortran.
88 <    for (mol = info_->beginMolecule(mi); mol != NULL; mol = info_->nextMolecule(mi)) {
89 <        for(atom = mol->beginAtom(ai); atom != NULL; atom = mol->nextAtom(ai)) {
90 <            atom->zeroForcesAndTorques();
91 <        }
92 <        
93 <        //change the positions of atoms which belong to the rigidbodies
94 <        for (rb = mol->beginRigidBody(rbIter); rb != NULL; rb = mol->nextRigidBody(rbIter)) {
95 <            rb->zeroForcesAndTorques();
96 <        }        
88 >
89 >    for (mol = info_->beginMolecule(mi); mol != NULL;
90 >         mol = info_->nextMolecule(mi)) {
91 >      for(atom = mol->beginAtom(ai); atom != NULL; atom = mol->nextAtom(ai)) {
92 >  atom->zeroForcesAndTorques();
93 >      }
94 >
95 >      //change the positions of atoms which belong to the rigidbodies
96 >      for (rb = mol->beginRigidBody(rbIter); rb != NULL;
97 >           rb = mol->nextRigidBody(rbIter)) {
98 >  rb->zeroForcesAndTorques();
99 >      }
100 >
101      }
92    
93 }
102  
103 < void ForceManager::calcShortRangeInteraction() {
103 >    // Zero out the stress tensor
104 >    tau *= 0.0;
105 >
106 >  }
107 >
108 >  void ForceManager::calcShortRangeInteraction() {
109      Molecule* mol;
110      RigidBody* rb;
111      Bond* bond;
112      Bend* bend;
113      Torsion* torsion;
114 +    Inversion* inversion;
115      SimInfo::MoleculeIterator mi;
116      Molecule::RigidBodyIterator rbIter;
117      Molecule::BondIterator bondIter;;
118      Molecule::BendIterator  bendIter;
119      Molecule::TorsionIterator  torsionIter;
120 +    Molecule::InversionIterator  inversionIter;
121 +    RealType bondPotential = 0.0;
122 +    RealType bendPotential = 0.0;
123 +    RealType torsionPotential = 0.0;
124 +    RealType inversionPotential = 0.0;
125  
126 <    //calculate short range interactions    
127 <    for (mol = info_->beginMolecule(mi); mol != NULL; mol = info_->nextMolecule(mi)) {
126 >    //calculate short range interactions
127 >    for (mol = info_->beginMolecule(mi); mol != NULL;
128 >         mol = info_->nextMolecule(mi)) {
129  
130 <        //change the positions of atoms which belong to the rigidbodies
131 <        for (rb = mol->beginRigidBody(rbIter); rb != NULL; rb = mol->nextRigidBody(rbIter)) {
132 <            rb->updateAtoms();
133 <        }
130 >      //change the positions of atoms which belong to the rigidbodies
131 >      for (rb = mol->beginRigidBody(rbIter); rb != NULL;
132 >           rb = mol->nextRigidBody(rbIter)) {
133 >        rb->updateAtoms();
134 >      }
135  
136 <        for (bond = mol->beginBond(bondIter); bond != NULL; bond = mol->nextBond(bondIter)) {
137 <            bond->calcForce();
138 <        }
136 >      for (bond = mol->beginBond(bondIter); bond != NULL;
137 >           bond = mol->nextBond(bondIter)) {
138 >        bond->calcForce();
139 >        bondPotential += bond->getPotential();
140 >      }
141  
142 <        for (bend = mol->beginBend(bendIter); bend != NULL; bend = mol->nextBend(bendIter)) {
143 <            bend->calcForce();
142 >      for (bend = mol->beginBend(bendIter); bend != NULL;
143 >           bend = mol->nextBend(bendIter)) {
144 >
145 >        RealType angle;
146 >        bend->calcForce(angle);
147 >        RealType currBendPot = bend->getPotential();
148 >
149 >        bendPotential += bend->getPotential();
150 >        std::map<Bend*, BendDataSet>::iterator i = bendDataSets.find(bend);
151 >        if (i == bendDataSets.end()) {
152 >          BendDataSet dataSet;
153 >          dataSet.prev.angle = dataSet.curr.angle = angle;
154 >          dataSet.prev.potential = dataSet.curr.potential = currBendPot;
155 >          dataSet.deltaV = 0.0;
156 >          bendDataSets.insert(std::map<Bend*, BendDataSet>::value_type(bend, dataSet));
157 >        }else {
158 >          i->second.prev.angle = i->second.curr.angle;
159 >          i->second.prev.potential = i->second.curr.potential;
160 >          i->second.curr.angle = angle;
161 >          i->second.curr.potential = currBendPot;
162 >          i->second.deltaV =  fabs(i->second.curr.potential -
163 >                                   i->second.prev.potential);
164          }
165 +      }
166  
167 <        for (torsion = mol->beginTorsion(torsionIter); torsion != NULL; torsion = mol->nextTorsion(torsionIter)) {
168 <            torsion->calcForce();
167 >      for (torsion = mol->beginTorsion(torsionIter); torsion != NULL;
168 >           torsion = mol->nextTorsion(torsionIter)) {
169 >        RealType angle;
170 >        torsion->calcForce(angle);
171 >        RealType currTorsionPot = torsion->getPotential();
172 >        torsionPotential += torsion->getPotential();
173 >        std::map<Torsion*, TorsionDataSet>::iterator i = torsionDataSets.find(torsion);
174 >        if (i == torsionDataSets.end()) {
175 >          TorsionDataSet dataSet;
176 >          dataSet.prev.angle = dataSet.curr.angle = angle;
177 >          dataSet.prev.potential = dataSet.curr.potential = currTorsionPot;
178 >          dataSet.deltaV = 0.0;
179 >          torsionDataSets.insert(std::map<Torsion*, TorsionDataSet>::value_type(torsion, dataSet));
180 >        }else {
181 >          i->second.prev.angle = i->second.curr.angle;
182 >          i->second.prev.potential = i->second.curr.potential;
183 >          i->second.curr.angle = angle;
184 >          i->second.curr.potential = currTorsionPot;
185 >          i->second.deltaV =  fabs(i->second.curr.potential -
186 >                                   i->second.prev.potential);
187          }
188 +      }
189  
190 <    }
191 <    
192 <    double  shortRangePotential = 0.0;
193 <    for (mol = info_->beginMolecule(mi); mol != NULL; mol = info_->nextMolecule(mi)) {
194 <        shortRangePotential += mol->getPotential();
190 >      for (inversion = mol->beginInversion(inversionIter);
191 >     inversion != NULL;
192 >           inversion = mol->nextInversion(inversionIter)) {
193 >        RealType angle;
194 >        inversion->calcForce(angle);
195 >        RealType currInversionPot = inversion->getPotential();
196 >        inversionPotential += inversion->getPotential();
197 >        std::map<Inversion*, InversionDataSet>::iterator i = inversionDataSets.find(inversion);
198 >        if (i == inversionDataSets.end()) {
199 >          InversionDataSet dataSet;
200 >          dataSet.prev.angle = dataSet.curr.angle = angle;
201 >          dataSet.prev.potential = dataSet.curr.potential = currInversionPot;
202 >          dataSet.deltaV = 0.0;
203 >          inversionDataSets.insert(std::map<Inversion*, InversionDataSet>::value_type(inversion, dataSet));
204 >        }else {
205 >          i->second.prev.angle = i->second.curr.angle;
206 >          i->second.prev.potential = i->second.curr.potential;
207 >          i->second.curr.angle = angle;
208 >          i->second.curr.potential = currInversionPot;
209 >          i->second.deltaV =  fabs(i->second.curr.potential -
210 >                                   i->second.prev.potential);
211 >        }
212 >      }
213      }
214  
215 +    RealType  shortRangePotential = bondPotential + bendPotential +
216 +      torsionPotential +  inversionPotential;
217      Snapshot* curSnapshot = info_->getSnapshotManager()->getCurrentSnapshot();
218      curSnapshot->statData[Stats::SHORT_RANGE_POTENTIAL] = shortRangePotential;
219 < }
219 >    curSnapshot->statData[Stats::BOND_POTENTIAL] = bondPotential;
220 >    curSnapshot->statData[Stats::BEND_POTENTIAL] = bendPotential;
221 >    curSnapshot->statData[Stats::DIHEDRAL_POTENTIAL] = torsionPotential;
222 >    curSnapshot->statData[Stats::INVERSION_POTENTIAL] = inversionPotential;
223  
224 < void ForceManager::calcLongRangeInteraction(bool needPotential, bool needStress) {
224 >  }
225 >
226 >  void ForceManager::calcLongRangeInteraction() {
227      Snapshot* curSnapshot;
228      DataStorage* config;
229 <    double* frc;
230 <    double* pos;
231 <    double* trq;
232 <    double* A;
233 <    double* electroFrame;
234 <    double* rc;
235 <    
229 >    RealType* frc;
230 >    RealType* pos;
231 >    RealType* vel;
232 >    RealType* trq;
233 >    RealType* A;
234 >    RealType* electroFrame;
235 >    RealType* rc;
236 >    RealType* vc;
237 >    RealType* particlePot;
238 >
239      //get current snapshot from SimInfo
240      curSnapshot = info_->getSnapshotManager()->getCurrentSnapshot();
241  
# Line 152 | Line 243 | void ForceManager::calcLongRangeInteraction(bool needP
243      config = &(curSnapshot->atomData);
244      frc = config->getArrayPointer(DataStorage::dslForce);
245      pos = config->getArrayPointer(DataStorage::dslPosition);
246 +    vel = config->getArrayPointer(DataStorage::dslVelocity);
247      trq = config->getArrayPointer(DataStorage::dslTorque);
248      A   = config->getArrayPointer(DataStorage::dslAmat);
249      electroFrame = config->getArrayPointer(DataStorage::dslElectroFrame);
250 +    particlePot = config->getArrayPointer(DataStorage::dslParticlePot);
251  
252      //calculate the center of mass of cutoff group
253      SimInfo::MoleculeIterator mi;
# Line 162 | Line 255 | void ForceManager::calcLongRangeInteraction(bool needP
255      Molecule::CutoffGroupIterator ci;
256      CutoffGroup* cg;
257      Vector3d com;
258 +    Vector3d comv;
259      std::vector<Vector3d> rcGroup;
260 <    
260 >    std::vector<Vector3d> vcGroup;
261 >
262      if(info_->getNCutoffGroups() > 0){
263  
264 <    for (mol = info_->beginMolecule(mi); mol != NULL; mol = info_->nextMolecule(mi)) {
265 <        for(cg = mol->beginCutoffGroup(ci); cg != NULL; cg = mol->nextCutoffGroup(ci)) {
266 <            cg->getCOM(com);
267 <            rcGroup.push_back(com);
264 >      for (mol = info_->beginMolecule(mi); mol != NULL;
265 >           mol = info_->nextMolecule(mi)) {
266 >        for(cg = mol->beginCutoffGroup(ci); cg != NULL;
267 >            cg = mol->nextCutoffGroup(ci)) {
268 >              cg->getCOM(com);
269 >              cg->getCOMV(comv);
270 >              rcGroup.push_back(com);
271 >              vcGroup.push_back(comv);
272          }
273 <    }// end for (mol)
274 <      
275 <        rc = rcGroup[0].getArrayPointer();
273 >      }// end for (mol)
274 >
275 >      rc = rcGroup[0].getArrayPointer();
276 >      vc = vcGroup[0].getArrayPointer();
277      } else {
278 <        // center of mass of the group is the same as position of the atom  if cutoff group does not exist
279 <        rc = pos;
278 >      // center of mass of the group is the same as position of the atom
279 >      // if cutoff group does not exist
280 >      rc = pos;
281 >      vc = vel;
282      }
283 <  
283 >
284      //initialize data before passing to fortran
285 <    double longRangePotential = 0.0;
286 <    Mat3x3d tau;
287 <    short int passedCalcPot = needPotential;
288 <    short int passedCalcStress = needStress;
285 >    RealType longRangePotential[LR_POT_TYPES];
286 >    RealType lrPot = 0.0;
287 >    Vector3d totalDipole;
288 >    Jv_ = 0.0;
289 >
290 >    
291 >    
292      int isError = 0;
293  
294 <    doForceLoop( pos,
295 <            rc,
296 <            A,
192 <            electroFrame,
193 <            frc,
194 <            trq,
195 <            tau.getArrayPointer(),
196 <            &longRangePotential,
197 <            &passedCalcPot,
198 <            &passedCalcStress,
199 <            &isError );
294 >    for (int i=0; i<LR_POT_TYPES;i++){
295 >      longRangePotential[i]=0.0; //Initialize array
296 >    }
297  
298 +    doForceLoop(pos,
299 +                vel,
300 +                rc,
301 +                vc,
302 +                A,
303 +                electroFrame,
304 +                frc,
305 +                trq,
306 +                tau.getArrayPointer(),
307 +                Jv_.getArrayPointer(),
308 +                longRangePotential,
309 +                particlePot,
310 +                &isError );
311 +
312      if( isError ){
313 <        sprintf( painCave.errMsg,
314 <             "Error returned from the fortran force calculation.\n" );
315 <        painCave.isFatal = 1;
316 <        simError();
313 >      sprintf( painCave.errMsg,
314 >         "Error returned from the fortran force calculation.\n" );
315 >      painCave.isFatal = 1;
316 >      simError();
317      }
318 +    for (int i=0; i<LR_POT_TYPES;i++){
319 +      lrPot += longRangePotential[i]; //Quick hack
320 +    }
321  
322 <    //store the tau and long range potential    
323 <    curSnapshot->statData[Stats::LONG_RANGE_POTENTIAL] = longRangePotential;
324 <    curSnapshot->statData.setTau(tau);
211 < }
322 >    // grab the simulation box dipole moment if specified
323 >    if (info_->getCalcBoxDipole()){
324 >      getAccumulatedBoxDipole(totalDipole.getArrayPointer());
325  
326 +      curSnapshot->statData[Stats::BOX_DIPOLE_X] = totalDipole(0);
327 +      curSnapshot->statData[Stats::BOX_DIPOLE_Y] = totalDipole(1);
328 +      curSnapshot->statData[Stats::BOX_DIPOLE_Z] = totalDipole(2);
329 +    }
330  
331 < void ForceManager::postCalculation() {
331 >    //store the tau and long range potential
332 >    curSnapshot->statData[Stats::LONG_RANGE_POTENTIAL] = lrPot;
333 >    curSnapshot->statData[Stats::VANDERWAALS_POTENTIAL] = longRangePotential[VDW_POT];
334 >    curSnapshot->statData[Stats::ELECTROSTATIC_POTENTIAL] = longRangePotential[ELECTROSTATIC_POT];
335 >  }
336 >
337 >
338 >  void ForceManager::postCalculation() {
339      SimInfo::MoleculeIterator mi;
340      Molecule* mol;
341      Molecule::RigidBodyIterator rbIter;
342      RigidBody* rb;
343 <    
343 >    Snapshot* curSnapshot = info_->getSnapshotManager()->getCurrentSnapshot();
344 >
345      // collect the atomic forces onto rigid bodies
346 <    for (mol = info_->beginMolecule(mi); mol != NULL; mol = info_->nextMolecule(mi)) {
347 <        for (rb = mol->beginRigidBody(rbIter); rb != NULL; rb = mol->nextRigidBody(rbIter)) {
348 <            rb->calcForcesAndTorques();
349 <        }
346 >
347 >    for (mol = info_->beginMolecule(mi); mol != NULL;
348 >         mol = info_->nextMolecule(mi)) {
349 >      for (rb = mol->beginRigidBody(rbIter); rb != NULL;
350 >           rb = mol->nextRigidBody(rbIter)) {
351 >        Mat3x3d rbTau = rb->calcForcesAndTorquesAndVirial();
352 >        tau += rbTau;
353 >      }
354      }
355  
356 < }
356 > #ifdef IS_MPI
357 >    Mat3x3d tmpTau(tau);
358 >    MPI_Allreduce(tmpTau.getArrayPointer(), tau.getArrayPointer(),
359 >                  9, MPI_REALTYPE, MPI_SUM, MPI_COMM_WORLD);
360 > #endif
361 >    curSnapshot->statData.setTau(tau);
362 >    curSnapshot->statData.setJv(Jv_);
363 >  }
364  
365 < } //end namespace oopse
365 > } //end namespace OpenMD

Comparing:
trunk/src/brains/ForceManager.cpp (property svn:keywords), Revision 246 by gezelter, Wed Jan 12 22:41:40 2005 UTC vs.
branches/heatflux/src/brains/ForceManager.cpp (property svn:keywords), Revision 1682 by chuckv, Tue Feb 28 23:11:22 2012 UTC

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