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* redistribute this software in source and binary code form, provided |
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* that the following conditions are met: |
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* |
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* 1. Acknowledgement of the program authors must be made in any |
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* publication of scientific results based in part on use of the |
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* program. An acceptable form of acknowledgement is citation of |
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* the article in which the program was described (Matthew |
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* A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher |
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* J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented |
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* Parallel Simulation Engine for Molecular Dynamics," |
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* J. Comput. Chem. 26, pp. 252-271 (2005)) |
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* |
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* 2. Redistributions of source code must retain the above copyright |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 3. Redistributions in binary form must reproduce the above copyright |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the |
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* distribution. |
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* arising out of the use of or inability to use software, even if the |
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* University of Notre Dame has been advised of the possibility of |
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* such damages. |
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* |
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* SUPPORT OPEN SCIENCE! If you use OpenMD or its source code in your |
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* research, please cite the appropriate papers when you publish your |
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* work. Good starting points are: |
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* |
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* [1] Meineke, et al., J. Comp. Chem. 26, 252-271 (2005). |
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* [2] Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006). |
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* [3] Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008). |
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* [4] Vardeman & Gezelter, in progress (2009). |
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*/ |
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|
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/** |
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#include "brains/ForceManager.hpp" |
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#include "primitives/Molecule.hpp" |
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#include "UseTheForce/doForces_interface.h" |
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#define __C |
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#define __OPENMD_C |
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#include "UseTheForce/DarkSide/fInteractionMap.h" |
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#include "utils/simError.h" |
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#include "primitives/Bond.hpp" |
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#include "primitives/Bend.hpp" |
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namespace oopse { |
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#include "primitives/Torsion.hpp" |
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#include "primitives/Inversion.hpp" |
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namespace OpenMD { |
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|
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void ForceManager::calcForces(bool needPotential, bool needStress) { |
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|
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Bond* bond; |
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Bend* bend; |
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Torsion* torsion; |
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Inversion* inversion; |
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SimInfo::MoleculeIterator mi; |
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Molecule::RigidBodyIterator rbIter; |
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Molecule::BondIterator bondIter;; |
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Molecule::BendIterator bendIter; |
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Molecule::TorsionIterator torsionIter; |
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Molecule::InversionIterator inversionIter; |
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RealType bondPotential = 0.0; |
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RealType bendPotential = 0.0; |
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RealType torsionPotential = 0.0; |
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RealType inversionPotential = 0.0; |
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|
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//calculate short range interactions |
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for (mol = info_->beginMolecule(mi); mol != NULL; |
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RealType angle; |
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bend->calcForce(angle); |
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RealType currBendPot = bend->getPotential(); |
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|
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bendPotential += bend->getPotential(); |
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std::map<Bend*, BendDataSet>::iterator i = bendDataSets.find(bend); |
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if (i == bendDataSets.end()) { |
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i->second.prev.potential); |
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} |
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} |
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|
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for (inversion = mol->beginInversion(inversionIter); |
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inversion != NULL; |
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inversion = mol->nextInversion(inversionIter)) { |
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RealType angle; |
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inversion->calcForce(angle); |
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RealType currInversionPot = inversion->getPotential(); |
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inversionPotential += inversion->getPotential(); |
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std::map<Inversion*, InversionDataSet>::iterator i = inversionDataSets.find(inversion); |
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if (i == inversionDataSets.end()) { |
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InversionDataSet dataSet; |
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dataSet.prev.angle = dataSet.curr.angle = angle; |
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dataSet.prev.potential = dataSet.curr.potential = currInversionPot; |
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dataSet.deltaV = 0.0; |
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inversionDataSets.insert(std::map<Inversion*, InversionDataSet>::value_type(inversion, dataSet)); |
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}else { |
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i->second.prev.angle = i->second.curr.angle; |
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i->second.prev.potential = i->second.curr.potential; |
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i->second.curr.angle = angle; |
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i->second.curr.potential = currInversionPot; |
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i->second.deltaV = fabs(i->second.curr.potential - |
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i->second.prev.potential); |
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} |
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} |
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} |
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|
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RealType shortRangePotential = bondPotential + bendPotential + |
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torsionPotential; |
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torsionPotential + inversionPotential; |
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Snapshot* curSnapshot = info_->getSnapshotManager()->getCurrentSnapshot(); |
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curSnapshot->statData[Stats::SHORT_RANGE_POTENTIAL] = shortRangePotential; |
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curSnapshot->statData[Stats::BOND_POTENTIAL] = bondPotential; |
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curSnapshot->statData[Stats::BEND_POTENTIAL] = bendPotential; |
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curSnapshot->statData[Stats::DIHEDRAL_POTENTIAL] = torsionPotential; |
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curSnapshot->statData[Stats::INVERSION_POTENTIAL] = inversionPotential; |
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|
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} |
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|
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} |
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} |
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|
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} //end namespace oopse |
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} //end namespace OpenMD |