| 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 | 
  | 
/** | 
| 60 | 
  | 
#include "math/Vector3.hpp" | 
| 61 | 
  | 
#include "math/SquareMatrix3.hpp" | 
| 62 | 
  | 
#include "types/MoleculeStamp.hpp" | 
| 63 | 
< | 
#include "UseTheForce/ForceField.hpp" | 
| 63 | 
> | 
#include "brains/ForceField.hpp" | 
| 64 | 
  | 
#include "utils/PropertyMap.hpp" | 
| 65 | 
  | 
#include "utils/LocalIndexManager.hpp" | 
| 66 | 
+ | 
#include "nonbonded/SwitchingFunction.hpp" | 
| 67 | 
  | 
 | 
| 66 | 
– | 
//another nonsense macro declaration | 
| 67 | 
– | 
#define __OPENMD_C | 
| 68 | 
– | 
#include "brains/fSimulation.h" | 
| 69 | 
– | 
 | 
| 68 | 
  | 
using namespace std; | 
| 69 | 
  | 
namespace OpenMD{ | 
| 70 | 
< | 
 | 
| 73 | 
< | 
  enum CutoffMethod { | 
| 74 | 
< | 
    HARD, | 
| 75 | 
< | 
    SWITCHING_FUNCTION, | 
| 76 | 
< | 
    SHIFTED_POTENTIAL, | 
| 77 | 
< | 
    SHIFTED_FORCE | 
| 78 | 
< | 
  }; | 
| 79 | 
< | 
 | 
| 80 | 
< | 
  //forward decalration  | 
| 70 | 
> | 
  //forward declaration  | 
| 71 | 
  | 
  class SnapshotManager; | 
| 72 | 
  | 
  class Molecule; | 
| 73 | 
  | 
  class SelectionManager; | 
| 167 | 
  | 
      return nAtoms_; | 
| 168 | 
  | 
    } | 
| 169 | 
  | 
 | 
| 170 | 
+ | 
    /** Returns the number of effective cutoff groups on local processor */ | 
| 171 | 
+ | 
    unsigned int getNLocalCutoffGroups(); | 
| 172 | 
+ | 
 | 
| 173 | 
  | 
    /** Returns the number of local bonds */         | 
| 174 | 
  | 
    unsigned int getNBonds(){ | 
| 175 | 
  | 
      return nBonds_; | 
| 223 | 
  | 
     */ | 
| 224 | 
  | 
    Molecule* nextMolecule(MoleculeIterator& i); | 
| 225 | 
  | 
 | 
| 226 | 
+ | 
    /** Returns the total number of fluctuating charges that are present */ | 
| 227 | 
+ | 
    int getNFluctuatingCharges() { | 
| 228 | 
+ | 
      return nGlobalFluctuatingCharges_; | 
| 229 | 
+ | 
    } | 
| 230 | 
+ | 
 | 
| 231 | 
  | 
    /** Returns the number of degrees of freedom */ | 
| 232 | 
  | 
    int getNdf() { | 
| 233 | 
  | 
      return ndf_ - getFdf(); | 
| 304 | 
  | 
    /** Overloaded version of gyrational volume that also returns | 
| 305 | 
  | 
        det(I) so dV/dr can be calculated*/ | 
| 306 | 
  | 
    void getGyrationalVolume(RealType &vol, RealType &detI); | 
| 307 | 
< | 
    /** main driver function to interact with fortran during the | 
| 310 | 
< | 
        initialization and molecule migration */ | 
| 307 | 
> | 
 | 
| 308 | 
  | 
    void update(); | 
| 309 | 
+ | 
    /** | 
| 310 | 
+ | 
     * Do final bookkeeping before Force managers need their data. | 
| 311 | 
+ | 
     */ | 
| 312 | 
+ | 
    void prepareTopology(); | 
| 313 | 
  | 
 | 
| 314 | 
+ | 
 | 
| 315 | 
  | 
    /** Returns the local index manager */ | 
| 316 | 
  | 
    LocalIndexManager* getLocalIndexManager() { | 
| 317 | 
  | 
      return &localIndexMan_; | 
| 347 | 
  | 
      return globalMolMembership_[id]; | 
| 348 | 
  | 
    } | 
| 349 | 
  | 
 | 
| 350 | 
< | 
    RealType getCutoffRadius() { | 
| 351 | 
< | 
      return cutoffRadius_; | 
| 352 | 
< | 
    } | 
| 350 | 
> | 
    /**  | 
| 351 | 
> | 
     * returns a vector which maps the local atom index on this | 
| 352 | 
> | 
     * processor to the global atom index.  With only one processor, | 
| 353 | 
> | 
     * these should be identical. | 
| 354 | 
> | 
     */ | 
| 355 | 
> | 
    vector<int> getGlobalAtomIndices(); | 
| 356 | 
  | 
 | 
| 357 | 
< | 
    RealType getSwitchingRadius() { | 
| 358 | 
< | 
      return switchingRadius_; | 
| 359 | 
< | 
    } | 
| 357 | 
> | 
    /**  | 
| 358 | 
> | 
     * returns a vector which maps the local cutoff group index on | 
| 359 | 
> | 
     * this processor to the global cutoff group index.  With only one | 
| 360 | 
> | 
     * processor, these should be identical. | 
| 361 | 
> | 
     */ | 
| 362 | 
> | 
    vector<int> getGlobalGroupIndices(); | 
| 363 | 
  | 
 | 
| 356 | 
– | 
    RealType getListRadius() { | 
| 357 | 
– | 
      return listRadius_; | 
| 358 | 
– | 
    } | 
| 364 | 
  | 
         | 
| 365 | 
  | 
    string getFinalConfigFileName() { | 
| 366 | 
  | 
      return finalConfigFileName_; | 
| 420 | 
  | 
    } | 
| 421 | 
  | 
 | 
| 422 | 
  | 
 | 
| 423 | 
< | 
    bool isFortranInitialized() { | 
| 424 | 
< | 
      return fortranInitialized_; | 
| 423 | 
> | 
    bool isTopologyDone() { | 
| 424 | 
> | 
      return topologyDone_; | 
| 425 | 
  | 
    } | 
| 426 | 
  | 
         | 
| 427 | 
  | 
    bool getCalcBoxDipole() { | 
| 481 | 
  | 
     */ | 
| 482 | 
  | 
    void removeInteractionPairs(Molecule* mol); | 
| 483 | 
  | 
 | 
| 479 | 
– | 
 | 
| 480 | 
– | 
    /** Returns the unique atom types of local processor in an array */ | 
| 481 | 
– | 
    set<AtomType*> getUniqueAtomTypes(); | 
| 482 | 
– | 
 | 
| 484 | 
  | 
    /** Returns the set of atom types present in this simulation */ | 
| 485 | 
  | 
    set<AtomType*> getSimulatedAtomTypes(); | 
| 486 | 
  | 
         | 
| 490 | 
  | 
         | 
| 491 | 
  | 
  private: | 
| 492 | 
  | 
 | 
| 493 | 
< | 
    /** fill up the simtype struct*/ | 
| 494 | 
< | 
    void setupSimType(); | 
| 493 | 
> | 
    /** fill up the simtype struct and other simulation-related variables */ | 
| 494 | 
> | 
    void setupSimVariables(); | 
| 495 | 
  | 
 | 
| 495 | 
– | 
    /** | 
| 496 | 
– | 
     * Setup Fortran Simulation | 
| 497 | 
– | 
     * @see #setupFortranParallel | 
| 498 | 
– | 
     */ | 
| 499 | 
– | 
    void setupFortranSim(); | 
| 496 | 
  | 
 | 
| 501 | 
– | 
    /** Figure out the cutoff radius */ | 
| 502 | 
– | 
    void setupCutoffRadius(); | 
| 503 | 
– | 
    /** Figure out the cutoff method */ | 
| 504 | 
– | 
    void setupCutoffMethod(); | 
| 505 | 
– | 
    /** Figure out the switching radius */ | 
| 506 | 
– | 
    void setupSwitchingRadius(); | 
| 507 | 
– | 
    /** Figure out the neighbor list skin thickness */ | 
| 508 | 
– | 
    void setupSkinThickness(); | 
| 509 | 
– | 
    /** Figure out which polynomial type to use for the switching function */ | 
| 510 | 
– | 
    void setupSwitchingFunction(); | 
| 511 | 
– | 
 | 
| 497 | 
  | 
    /** Determine if we need to accumulate the simulation box dipole */ | 
| 498 | 
  | 
    void setupAccumulateBoxDipole(); | 
| 499 | 
  | 
 | 
| 522 | 
  | 
    int nIntegrableObjects_;  /**< number of integrable objects in local processor */ | 
| 523 | 
  | 
    int nCutoffGroups_;       /**< number of cutoff groups in local processor */ | 
| 524 | 
  | 
    int nConstraints_;        /**< number of constraints in local processors */ | 
| 525 | 
+ | 
    int nFluctuatingCharges_; /**< number of fluctuating charges in local processor */ | 
| 526 | 
  | 
         | 
| 527 | 
  | 
    /// Counts of global objects | 
| 528 | 
  | 
    int nGlobalMols_;              /**< number of molecules in the system (GLOBAL) */ | 
| 530 | 
  | 
    int nGlobalCutoffGroups_;      /**< number of cutoff groups in this system (GLOBAL) */ | 
| 531 | 
  | 
    int nGlobalIntegrableObjects_; /**< number of integrable objects in this system */ | 
| 532 | 
  | 
    int nGlobalRigidBodies_;       /**< number of rigid bodies in this system (GLOBAL) */ | 
| 533 | 
+ | 
    int nGlobalFluctuatingCharges_;/**< number of fluctuating charges in this system (GLOBAL) */ | 
| 534 | 
+ | 
     | 
| 535 | 
  | 
        | 
| 536 | 
  | 
    /// Degress of freedom | 
| 537 | 
  | 
    int ndf_;          /**< number of degress of freedom (excludes constraints) (LOCAL) */ | 
| 546 | 
  | 
    bool usesDirectionalAtoms_;   /**< are there atoms with position AND orientation? */ | 
| 547 | 
  | 
    bool usesMetallicAtoms_;      /**< are there transition metal atoms? */ | 
| 548 | 
  | 
    bool usesElectrostaticAtoms_; /**< are there electrostatic atoms? */ | 
| 549 | 
+ | 
    bool usesFluctuatingCharges_; /**< are there fluctuating charges? */ | 
| 550 | 
  | 
    bool usesAtomicVirial_;       /**< are we computing atomic virials? */ | 
| 551 | 
  | 
    bool requiresPrepair_;        /**< does this simulation require a pre-pair loop? */ | 
| 552 | 
  | 
    bool requiresSkipCorrection_; /**< does this simulation require a skip-correction? */ | 
| 553 | 
  | 
    bool requiresSelfCorrection_; /**< does this simulation require a self-correction? */ | 
| 554 | 
  | 
 | 
| 555 | 
+ | 
  public: | 
| 556 | 
+ | 
    bool usesElectrostaticAtoms() { return usesElectrostaticAtoms_; } | 
| 557 | 
+ | 
    bool usesDirectionalAtoms() { return usesDirectionalAtoms_; } | 
| 558 | 
+ | 
    bool usesFluctuatingCharges() { return usesFluctuatingCharges_; } | 
| 559 | 
+ | 
    bool usesAtomicVirial() { return usesAtomicVirial_; } | 
| 560 | 
+ | 
    bool requiresPrepair() { return requiresPrepair_; } | 
| 561 | 
+ | 
    bool requiresSkipCorrection() { return requiresSkipCorrection_;} | 
| 562 | 
+ | 
    bool requiresSelfCorrection() { return requiresSelfCorrection_;} | 
| 563 | 
+ | 
 | 
| 564 | 
+ | 
  private: | 
| 565 | 
  | 
    /// Data structures holding primary simulation objects | 
| 566 | 
  | 
    map<int, Molecule*>  molecules_;  /**< map holding pointers to LOCAL molecules */ | 
| 567 | 
< | 
    simtype fInfo_;                   /**< A dual struct shared by C++ | 
| 569 | 
< | 
                                         and Fortran to pass | 
| 570 | 
< | 
                                         information about what types | 
| 571 | 
< | 
                                         of calculation are | 
| 572 | 
< | 
                                         required */ | 
| 573 | 
< | 
     | 
| 567 | 
> | 
 | 
| 568 | 
  | 
    /// Stamps are templates for objects that are then used to create | 
| 569 | 
  | 
    /// groups of objects.  For example, a molecule stamp contains | 
| 570 | 
  | 
    /// information on how to build that molecule (i.e. the topology, | 
| 580 | 
  | 
     * the simulation.  It should be nGlobalAtoms_ in size. | 
| 581 | 
  | 
     */ | 
| 582 | 
  | 
    vector<int> globalGroupMembership_;  | 
| 583 | 
+ | 
  public: | 
| 584 | 
+ | 
    vector<int> getGlobalGroupMembership() { return globalGroupMembership_; } | 
| 585 | 
+ | 
  private: | 
| 586 | 
  | 
 | 
| 587 | 
  | 
    /** | 
| 588 | 
  | 
     * A vector that maps between the global index of an atom and the | 
| 590 | 
  | 
     * by SimCreator once and only once, since it is never changed | 
| 591 | 
  | 
     * during the simulation. It shoudl be nGlobalAtoms_ in size. | 
| 592 | 
  | 
     */ | 
| 593 | 
< | 
    vector<int> globalMolMembership_;         | 
| 593 | 
> | 
    vector<int> globalMolMembership_;  | 
| 594 | 
> | 
 | 
| 595 | 
> | 
    /**  | 
| 596 | 
> | 
     * A vector that maps between the local index of an atom and the | 
| 597 | 
> | 
     * index of the AtomType. | 
| 598 | 
> | 
     */ | 
| 599 | 
> | 
    vector<int> identArray_; | 
| 600 | 
> | 
  public: | 
| 601 | 
> | 
    vector<int> getIdentArray() { return identArray_; } | 
| 602 | 
> | 
  private: | 
| 603 | 
> | 
     | 
| 604 | 
> | 
    /**  | 
| 605 | 
> | 
     * A vector which contains the fractional contribution of an | 
| 606 | 
> | 
     * atom's mass to the total mass of the cutoffGroup that atom | 
| 607 | 
> | 
     * belongs to.  In the case of single atom cutoff groups, the mass | 
| 608 | 
> | 
     * factor for that atom is 1.  For massless atoms, the factor is | 
| 609 | 
> | 
     * also 1. | 
| 610 | 
> | 
     */ | 
| 611 | 
> | 
    vector<RealType> massFactors_; | 
| 612 | 
> | 
  public: | 
| 613 | 
> | 
    vector<RealType> getMassFactors() { return massFactors_; } | 
| 614 | 
> | 
 | 
| 615 | 
> | 
    PairList* getExcludedInteractions() { return &excludedInteractions_; } | 
| 616 | 
> | 
    PairList* getOneTwoInteractions() { return &oneTwoInteractions_; } | 
| 617 | 
> | 
    PairList* getOneThreeInteractions() { return &oneThreeInteractions_; } | 
| 618 | 
> | 
    PairList* getOneFourInteractions() { return &oneFourInteractions_; } | 
| 619 | 
> | 
 | 
| 620 | 
> | 
  private: | 
| 621 | 
  | 
                | 
| 622 | 
  | 
    /// lists to handle atoms needing special treatment in the non-bonded interactions | 
| 623 | 
  | 
    PairList excludedInteractions_;  /**< atoms excluded from interacting with each other */ | 
| 647 | 
  | 
    string statFileName_; | 
| 648 | 
  | 
    string restFileName_; | 
| 649 | 
  | 
         | 
| 626 | 
– | 
    RealType cutoffRadius_;         /**< cutoff radius for non-bonded interactions */ | 
| 627 | 
– | 
    RealType switchingRadius_;      /**< inner radius of switching function */ | 
| 628 | 
– | 
    RealType listRadius_;           /**< Verlet neighbor list radius */ | 
| 629 | 
– | 
    RealType skinThickness_;        /**< Verlet neighbor list skin thickness */     | 
| 630 | 
– | 
    CutoffMethod cutoffMethod_;     /**< Cutoff Method for most non-bonded interactions */ | 
| 650 | 
  | 
 | 
| 651 | 
< | 
    bool fortranInitialized_; /** flag to indicate whether the fortran side is initialized */ | 
| 651 | 
> | 
    bool topologyDone_;  /** flag to indicate whether the topology has | 
| 652 | 
> | 
                             been scanned and all the relevant | 
| 653 | 
> | 
                             bookkeeping has been done*/ | 
| 654 | 
  | 
     | 
| 655 | 
  | 
    bool calcBoxDipole_; /**< flag to indicate whether or not we calculate  | 
| 656 | 
  | 
                            the simulation box dipole moment */ | 
| 691 | 
  | 
    } | 
| 692 | 
  | 
         | 
| 693 | 
  | 
  private: | 
| 673 | 
– | 
 | 
| 674 | 
– | 
    void setupFortranParallel(); | 
| 694 | 
  | 
         | 
| 695 | 
  | 
    /**  | 
| 696 | 
  | 
     * The size of molToProcMap_ is equal to total number of molecules |