| 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 |
|
/** |
| 52 |
|
#include "UseTheForce/ForceField.hpp" |
| 53 |
|
#include "utils/simError.h" |
| 54 |
|
#include "utils/Tuple.hpp" |
| 55 |
+ |
#include "types/LennardJonesAdapter.hpp" |
| 56 |
+ |
|
| 57 |
|
namespace OpenMD { |
| 58 |
|
|
| 59 |
|
ForceField::ForceField() { |
| 69 |
|
} |
| 70 |
|
} |
| 71 |
|
|
| 72 |
+ |
/** |
| 73 |
+ |
* getAtomType by string |
| 74 |
+ |
* |
| 75 |
+ |
* finds the requested atom type in this force field using the string |
| 76 |
+ |
* name of the atom type. |
| 77 |
+ |
*/ |
| 78 |
|
AtomType* ForceField::getAtomType(const std::string &at) { |
| 79 |
|
std::vector<std::string> keys; |
| 80 |
|
keys.push_back(at); |
| 81 |
|
return atomTypeCont_.find(keys); |
| 82 |
+ |
} |
| 83 |
+ |
|
| 84 |
+ |
/** |
| 85 |
+ |
* getAtomType by ident |
| 86 |
+ |
* |
| 87 |
+ |
* finds the requested atom type in this force field using the |
| 88 |
+ |
* integer ident instead of the string name of the atom type. |
| 89 |
+ |
*/ |
| 90 |
+ |
AtomType* ForceField::getAtomType(int ident) { |
| 91 |
+ |
std::string at = atypeIdentToName.find(ident)->second; |
| 92 |
+ |
return getAtomType(at); |
| 93 |
|
} |
| 94 |
|
|
| 95 |
|
BondType* ForceField::getBondType(const std::string &at1, |
| 451 |
|
} |
| 452 |
|
|
| 453 |
|
NonBondedInteractionType* ForceField::getNonBondedInteractionType(const std::string &at1, const std::string &at2) { |
| 454 |
+ |
|
| 455 |
|
std::vector<std::string> keys; |
| 456 |
|
keys.push_back(at1); |
| 457 |
|
keys.push_back(at2); |
| 461 |
|
if (nbiType) { |
| 462 |
|
return nbiType; |
| 463 |
|
} else { |
| 464 |
< |
//if no exact match found, try wild card match |
| 465 |
< |
return nonBondedInteractionTypeCont_.find(keys, wildCardAtomTypeName_); |
| 466 |
< |
} |
| 464 |
> |
AtomType* atype1; |
| 465 |
> |
AtomType* atype2; |
| 466 |
> |
std::vector<std::string> at1key; |
| 467 |
> |
at1key.push_back(at1); |
| 468 |
> |
atype1 = atomTypeCont_.find(at1key); |
| 469 |
> |
|
| 470 |
> |
std::vector<std::string> at2key; |
| 471 |
> |
at2key.push_back(at2); |
| 472 |
> |
atype2 = atomTypeCont_.find(at2key); |
| 473 |
> |
|
| 474 |
> |
// query atom types for their chains of responsibility |
| 475 |
> |
std::vector<AtomType*> at1Chain = atype1->allYourBase(); |
| 476 |
> |
std::vector<AtomType*> at2Chain = atype2->allYourBase(); |
| 477 |
> |
|
| 478 |
> |
std::vector<AtomType*>::iterator i; |
| 479 |
> |
std::vector<AtomType*>::iterator j; |
| 480 |
> |
|
| 481 |
> |
int ii = 0; |
| 482 |
> |
int jj = 0; |
| 483 |
> |
int nbiTypeScore; |
| 484 |
> |
|
| 485 |
> |
std::vector<std::pair<int, std::vector<std::string> > > foundNBI; |
| 486 |
> |
|
| 487 |
> |
for (i = at1Chain.begin(); i != at1Chain.end(); i++) { |
| 488 |
> |
jj = 0; |
| 489 |
> |
for (j = at2Chain.begin(); j != at2Chain.end(); j++) { |
| 490 |
> |
|
| 491 |
> |
nbiTypeScore = ii + jj; |
| 492 |
> |
|
| 493 |
> |
std::vector<std::string> myKeys; |
| 494 |
> |
myKeys.push_back((*i)->getName()); |
| 495 |
> |
myKeys.push_back((*j)->getName()); |
| 496 |
> |
|
| 497 |
> |
NonBondedInteractionType* nbiType = nonBondedInteractionTypeCont_.find(myKeys); |
| 498 |
> |
if (nbiType) { |
| 499 |
> |
foundNBI.push_back(std::make_pair(nbiTypeScore, myKeys)); |
| 500 |
> |
} |
| 501 |
> |
jj++; |
| 502 |
> |
} |
| 503 |
> |
ii++; |
| 504 |
> |
} |
| 505 |
> |
|
| 506 |
> |
|
| 507 |
> |
if (foundNBI.size() > 0) { |
| 508 |
> |
// sort the foundNBI by the score: |
| 509 |
> |
std::sort(foundNBI.begin(), foundNBI.end()); |
| 510 |
> |
|
| 511 |
> |
int bestScore = foundNBI[0].first; |
| 512 |
> |
std::vector<std::string> theKeys = foundNBI[0].second; |
| 513 |
> |
|
| 514 |
> |
NonBondedInteractionType* bestType = nonBondedInteractionTypeCont_.find(theKeys); |
| 515 |
> |
return bestType; |
| 516 |
> |
} else { |
| 517 |
> |
//if no exact match found, try wild card match |
| 518 |
> |
return nonBondedInteractionTypeCont_.find(keys, wildCardAtomTypeName_); |
| 519 |
> |
} |
| 520 |
> |
} |
| 521 |
|
} |
| 522 |
|
|
| 523 |
|
BondType* ForceField::getExactBondType(const std::string &at1, |
| 573 |
|
bool ForceField::addAtomType(const std::string &at, AtomType* atomType) { |
| 574 |
|
std::vector<std::string> keys; |
| 575 |
|
keys.push_back(at); |
| 576 |
+ |
atypeIdentToName[atomType->getIdent()] = at; |
| 577 |
|
return atomTypeCont_.add(keys, atomType); |
| 578 |
|
} |
| 579 |
|
|
| 580 |
|
bool ForceField::replaceAtomType(const std::string &at, AtomType* atomType) { |
| 581 |
|
std::vector<std::string> keys; |
| 582 |
|
keys.push_back(at); |
| 583 |
+ |
atypeIdentToName[atomType->getIdent()] = at; |
| 584 |
|
return atomTypeCont_.replace(keys, atomType); |
| 585 |
|
} |
| 586 |
|
|
| 637 |
|
} |
| 638 |
|
|
| 639 |
|
RealType ForceField::getRcutFromAtomType(AtomType* at) { |
| 563 |
– |
/**@todo */ |
| 564 |
– |
GenericData* data; |
| 640 |
|
RealType rcut = 0.0; |
| 641 |
|
|
| 642 |
< |
if (at->isLennardJones()) { |
| 643 |
< |
data = at->getPropertyByName("LennardJones"); |
| 644 |
< |
if (data != NULL) { |
| 570 |
< |
LJParamGenericData* ljData = dynamic_cast<LJParamGenericData*>(data); |
| 571 |
< |
|
| 572 |
< |
if (ljData != NULL) { |
| 573 |
< |
LJParam ljParam = ljData->getData(); |
| 574 |
< |
|
| 575 |
< |
//by default use 2.5*sigma as cutoff radius |
| 576 |
< |
rcut = 2.5 * ljParam.sigma; |
| 577 |
< |
|
| 578 |
< |
} else { |
| 579 |
< |
sprintf( painCave.errMsg, |
| 580 |
< |
"Can not cast GenericData to LJParam\n"); |
| 581 |
< |
painCave.severity = OPENMD_ERROR; |
| 582 |
< |
painCave.isFatal = 1; |
| 583 |
< |
simError(); |
| 584 |
< |
} |
| 585 |
< |
} else { |
| 586 |
< |
sprintf( painCave.errMsg, "Can not find Parameters for LennardJones\n"); |
| 587 |
< |
painCave.severity = OPENMD_ERROR; |
| 588 |
< |
painCave.isFatal = 1; |
| 589 |
< |
simError(); |
| 590 |
< |
} |
| 642 |
> |
LennardJonesAdapter lja = LennardJonesAdapter(at); |
| 643 |
> |
if (lja.isLennardJones()) { |
| 644 |
> |
rcut = 2.5 * lja.getSigma(); |
| 645 |
|
} |
| 646 |
|
return rcut; |
| 647 |
|
} |
