| 1 | /* | 
| 2 | * Copyright (c) 2005 The University of Notre Dame. All Rights Reserved. | 
| 3 | * | 
| 4 | * The University of Notre Dame grants you ("Licensee") a | 
| 5 | * non-exclusive, royalty free, license to use, modify and | 
| 6 | * redistribute this software in source and binary code form, provided | 
| 7 | * that the following conditions are met: | 
| 8 | * | 
| 9 | * 1. Redistributions of source code must retain the above copyright | 
| 10 | *    notice, this list of conditions and the following disclaimer. | 
| 11 | * | 
| 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. | 
| 16 | * | 
| 17 | * This software is provided "AS IS," without a warranty of any | 
| 18 | * kind. All express or implied conditions, representations and | 
| 19 | * warranties, including any implied warranty of merchantability, | 
| 20 | * fitness for a particular purpose or non-infringement, are hereby | 
| 21 | * excluded.  The University of Notre Dame and its licensors shall not | 
| 22 | * be liable for any damages suffered by licensee as a result of | 
| 23 | * using, modifying or distributing the software or its | 
| 24 | * derivatives. In no event will the University of Notre Dame or its | 
| 25 | * licensors be liable for any lost revenue, profit or data, or for | 
| 26 | * direct, indirect, special, consequential, incidental or punitive | 
| 27 | * damages, however caused and regardless of the theory of liability, | 
| 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]  Kuang & Gezelter,  J. Chem. Phys. 133, 164101 (2010). | 
| 40 | * [5]  Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011). | 
| 41 | */ | 
| 42 |  | 
| 43 | /** | 
| 44 | * @file ForceManager.hpp | 
| 45 | * @author tlin | 
| 46 | * @date 11/09/2004 | 
| 47 | * @time 10:36am | 
| 48 | * @version 1.0 | 
| 49 | */ | 
| 50 |  | 
| 51 | #ifndef BRAINS_FORCEMANAGER_HPP | 
| 52 | #define BRAINS_FORCEMANAGER_HPP | 
| 53 |  | 
| 54 | #include "brains/SimInfo.hpp" | 
| 55 | #include "primitives/Molecule.hpp" | 
| 56 | #include "nonbonded/Cutoffs.hpp" | 
| 57 | #include "nonbonded/SwitchingFunction.hpp" | 
| 58 | #include "nonbonded/InteractionManager.hpp" | 
| 59 | #include "perturbations/Perturbation.hpp" | 
| 60 | #include "parallel/ForceDecomposition.hpp" | 
| 61 |  | 
| 62 | #define PREPAIR_LOOP 0 | 
| 63 | #define PAIR_LOOP 1 | 
| 64 |  | 
| 65 | using namespace std; | 
| 66 | namespace OpenMD { | 
| 67 | /** | 
| 68 | * @class ForceManager ForceManager.hpp "brains/ForceManager.hpp" | 
| 69 | * ForceManager is responsible for calculating both the short range | 
| 70 | * (bonded) interactions and long range (non-bonded) interactions. | 
| 71 | * | 
| 72 | * @note the reason we delay some of the setup is that | 
| 73 | * initialization must wait until after the force field has been | 
| 74 | * parsed so that the atom types are known. | 
| 75 | */ | 
| 76 | class ForceManager { | 
| 77 |  | 
| 78 | public: | 
| 79 | ForceManager(SimInfo * info); | 
| 80 | virtual ~ForceManager() {} | 
| 81 | virtual void calcForces(); | 
| 82 | void initialize(); | 
| 83 |  | 
| 84 | protected: | 
| 85 | bool initialized_; | 
| 86 | bool doParticlePot_; | 
| 87 | bool doHeatFlux_; | 
| 88 |  | 
| 89 | virtual void setupCutoffs(); | 
| 90 | virtual void preCalculation(); | 
| 91 | virtual void shortRangeInteractions(); | 
| 92 | virtual void longRangeInteractions(); | 
| 93 | virtual void postCalculation(); | 
| 94 |  | 
| 95 | SimInfo* info_; | 
| 96 | ForceField* forceField_; | 
| 97 | InteractionManager* interactionMan_; | 
| 98 | ForceDecomposition* fDecomp_; | 
| 99 | SwitchingFunction* switcher_; | 
| 100 |  | 
| 101 | SwitchingFunctionType sft_;/**< Type of switching function in use */ | 
| 102 | RealType rCut_;            /**< cutoff radius for non-bonded interactions */ | 
| 103 | RealType rSwitch_;         /**< inner radius of switching function */ | 
| 104 | CutoffMethod cutoffMethod_;/**< Cutoff Method for most non-bonded interactions */ | 
| 105 | CutoffPolicy cutoffPolicy_;/**< Cutoff Policy for non-bonded interactions */ | 
| 106 |  | 
| 107 | map<Bend*, BendDataSet> bendDataSets; | 
| 108 | map<Torsion*, TorsionDataSet> torsionDataSets; | 
| 109 | map<Inversion*, InversionDataSet> inversionDataSets; | 
| 110 | vector<pair<int, int> > neighborList; | 
| 111 |  | 
| 112 | vector<RealType> vdwScale_; | 
| 113 | vector<RealType> electrostaticScale_; | 
| 114 |  | 
| 115 | Mat3x3d stressTensor; | 
| 116 |  | 
| 117 | vector<Perturbation*> perturbations_; | 
| 118 | }; | 
| 119 | } | 
| 120 | #endif //BRAINS_FORCEMANAGER_HPP |