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Comparing branches/development/src/nonbonded/InteractionManager.cpp (file contents):
Revision 1586 by gezelter, Tue Jun 21 06:34:35 2011 UTC vs.
Revision 1787 by gezelter, Wed Aug 29 18:13:11 2012 UTC

# Line 36 | Line 36
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).                        
39 > * [4]  Kuang & Gezelter,  J. Chem. Phys. 133, 164101 (2010).
40 > * [5]  Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011).
41   */
42  
43   #include "nonbonded/InteractionManager.hpp"
# Line 51 | Line 52 | namespace OpenMD {
52      gb_ = new GB();
53      sticky_ = new Sticky();
54      morse_ = new Morse();
55 +    repulsivePower_ = new RepulsivePower();
56      eam_ = new EAM();
57      sc_ = new SC();
58      electrostatic_ = new Electrostatic();
# Line 58 | Line 60 | namespace OpenMD {
60    }
61  
62    void InteractionManager::initialize() {
63 <    
63 >
64 >    if (initialized_) return;
65 >
66      ForceField* forceField_ = info_->getForceField();
67      
68      lj_->setForceField(forceField_);
# Line 70 | Line 74 | namespace OpenMD {
74      electrostatic_->setSimInfo(info_);
75      electrostatic_->setForceField(forceField_);
76      maw_->setForceField(forceField_);
77 +    repulsivePower_->setForceField(forceField_);
78  
79      ForceField::AtomTypeContainer* atomTypes = forceField_->getAtomTypes();
80      ForceField::AtomTypeContainer::MapTypeIterator i1, i2;
# Line 82 | Line 87 | namespace OpenMD {
87           atype1 = atomTypes->nextType(i1)) {
88        
89        // add it to the map:
85      AtomTypeProperties atp = atype1->getATP();    
90        
91        pair<map<int,AtomType*>::iterator,bool> ret;    
92 <      ret = typeMap_.insert( pair<int, AtomType*>(atp.ident, atype1) );
92 >      ret = typeMap_.insert( pair<int, AtomType*>(atype1->getIdent(), atype1) );
93        if (ret.second == false) {
94          sprintf( painCave.errMsg,
95                   "InteractionManager already had a previous entry with ident %d\n",
96 <                 atp.ident);
96 >                 atype1->getIdent());
97          painCave.severity = OPENMD_INFO;
98          painCave.isFatal = 0;
99          simError();                
# Line 178 | Line 182 | namespace OpenMD {
182              interactions_[key].insert(morse_);
183              vdwExplicit = true;
184            }
185 +
186 +          if (nbiType->isRepulsivePower()) {
187 +            if (vdwExplicit) {
188 +              sprintf( painCave.errMsg,
189 +                       "InteractionManager::initialize found more than one "
190 +                       "explicit \n"
191 +                       "\tvan der Waals interaction for atom types %s - %s\n",
192 +                       atype1->getName().c_str(), atype2->getName().c_str());
193 +              painCave.severity = OPENMD_ERROR;
194 +              painCave.isFatal = 1;
195 +              simError();
196 +            }
197 +            // We found an explicit RepulsivePower interaction.  
198 +            // override all other vdw entries for this pair of atom types:
199 +            set<NonBondedInteraction*>::iterator it;
200 +            for (it = interactions_[key].begin();
201 +                 it != interactions_[key].end(); ++it) {
202 +              InteractionFamily ifam = (*it)->getFamily();
203 +              if (ifam == VANDERWAALS_FAMILY) interactions_[key].erase(*it);
204 +            }
205 +            interactions_[key].insert(repulsivePower_);
206 +            vdwExplicit = true;
207 +          }
208            
209 +          
210            if (nbiType->isEAM()) {
211              // We found an explicit EAM interaction.  
212              // override all other metallic entries for this pair of atom types:
# Line 271 | Line 299 | namespace OpenMD {
299    }
300  
301    void InteractionManager::setCutoffRadius(RealType rcut) {
302 +    
303      electrostatic_->setCutoffRadius(rcut);
304      eam_->setCutoffRadius(rcut);
305    }
306  
278  void InteractionManager::setSwitchingRadius(RealType rswitch) {
279    electrostatic_->setSwitchingRadius(rswitch);
280  }
281  
307    void InteractionManager::doPrePair(InteractionData idat){
308      
309      if (!initialized_) initialize();
310          
311 +    // excluded interaction, so just return
312 +    if (idat.excluded) return;
313 +
314      set<NonBondedInteraction*>::iterator it;
315  
316      for (it = interactions_[ idat.atypes ].begin();
# Line 314 | Line 342 | namespace OpenMD {
342    void InteractionManager::doPair(InteractionData idat){
343      
344      if (!initialized_) initialize();
345 <  
345 >
346      set<NonBondedInteraction*>::iterator it;
347  
348      for (it = interactions_[ idat.atypes ].begin();
349 <         it != interactions_[ idat.atypes ].end(); ++it)
322 <      (*it)->calcForce(idat);
323 <    
324 <    return;    
325 <  }
349 >         it != interactions_[ idat.atypes ].end(); ++it) {
350  
351 <  void InteractionManager::doSkipCorrection(InteractionData idat){
351 >      // electrostatics still has to worry about indirect
352 >      // contributions from excluded pairs of atoms:
353  
354 <    if (!initialized_) initialize();  
355 <
331 <    set<NonBondedInteraction*>::iterator it;
332 <
333 <    for (it = interactions_[ idat.atypes ].begin();
334 <         it != interactions_[ idat.atypes ].end(); ++it){
335 <      if ((*it)->getFamily() == ELECTROSTATIC_FAMILY) {
336 <        dynamic_cast<ElectrostaticInteraction*>(*it)->calcSkipCorrection(idat);
354 >      if (!idat.excluded || (*it)->getFamily() == ELECTROSTATIC_FAMILY) {
355 >        (*it)->calcForce(idat);
356        }
357      }
358      
# Line 358 | Line 377 | namespace OpenMD {
377  
378    RealType InteractionManager::getSuggestedCutoffRadius(int *atid) {
379      if (!initialized_) initialize();
380 <    
380 >
381      AtomType* atype = typeMap_[*atid];
382  
383      pair<AtomType*, AtomType*> key = make_pair(atype, atype);

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