| 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, 234107 (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 RNEMD.hpp | 
| 45 | * @author gezelter | 
| 46 | * @date 03/13/2009 | 
| 47 | * @time 15:56pm | 
| 48 | * @version 1.0 | 
| 49 | */ | 
| 50 |  | 
| 51 | #ifndef INTEGRATORS_RNEMD_HPP | 
| 52 | #define INTEGRATORS_RNEMD_HPP | 
| 53 | #include "brains/SimInfo.hpp" | 
| 54 | #include "math/RandNumGen.hpp" | 
| 55 | #include "selection/SelectionEvaluator.hpp" | 
| 56 | #include "selection/SelectionManager.hpp" | 
| 57 | #include <iostream> | 
| 58 |  | 
| 59 | using namespace std; | 
| 60 | namespace OpenMD { | 
| 61 |  | 
| 62 | class RNEMD { | 
| 63 | public: | 
| 64 | RNEMD(SimInfo* info); | 
| 65 | virtual ~RNEMD(); | 
| 66 |  | 
| 67 | void doRNEMD(); | 
| 68 | void doSwap(); | 
| 69 | void doNIVS(); | 
| 70 | void doVSS(); | 
| 71 | void collectData(); | 
| 72 | void getStarted(); | 
| 73 | bool inSlabA(Vector3d pos); | 
| 74 | bool inSlabB(Vector3d pos); | 
| 75 | void parseOutputFileFormat(const std::string& format); | 
| 76 | void writeOutputFile(); | 
| 77 | void writeReal(int index, unsigned int bin); | 
| 78 | void writeVector(int index, unsigned int bin); | 
| 79 | void writeRealStdDev(int index, unsigned int bin); | 
| 80 | void writeVectorStdDev(int index, unsigned int bin); | 
| 81 |  | 
| 82 | private: | 
| 83 |  | 
| 84 | enum RNEMDMethod { | 
| 85 | rnemdSwap, | 
| 86 | rnemdNIVS, | 
| 87 | rnemdVSS, | 
| 88 | rnemdUnkownMethod | 
| 89 | }; | 
| 90 | enum RNEMDFluxType { | 
| 91 | rnemdKE,       // translational kinetic energy flux | 
| 92 | rnemdRotKE,    // rotational kinetic energy flux | 
| 93 | rnemdFullKE,   // full kinetic energy flux | 
| 94 | rnemdPx,       // flux of momentum along x axis | 
| 95 | rnemdPy,       // flux of momentum along y axis | 
| 96 | rnemdPz,       // flux of momentum along z axis | 
| 97 | rnemdPvector,  // flux of momentum vector | 
| 98 | rnemdKePx,     // flux of translational KE and x-momentum | 
| 99 | rnemdKePy,     // flux of translational KE and y-momentum | 
| 100 | rnemdKePvector, // full combo platter | 
| 101 | rnemdUnknownFluxType | 
| 102 | }; | 
| 103 |  | 
| 104 | enum OutputFields { | 
| 105 | BEGININDEX = 0, | 
| 106 | Z = BEGININDEX, | 
| 107 | TEMPERATURE, | 
| 108 | VELOCITY, | 
| 109 | DENSITY, | 
| 110 | ENDINDEX | 
| 111 | }; | 
| 112 |  | 
| 113 | struct OutputData { | 
| 114 | string title; | 
| 115 | string units; | 
| 116 | string dataType; | 
| 117 | vector<BaseAccumulator*> accumulator; | 
| 118 | }; | 
| 119 |  | 
| 120 | typedef bitset<ENDINDEX-BEGININDEX> OutputBitSet; | 
| 121 | typedef map<string, OutputFields> OutputMapType; | 
| 122 |  | 
| 123 | SimInfo* info_; | 
| 124 |  | 
| 125 | map<string, RNEMDMethod> stringToMethod_; | 
| 126 | map<string, RNEMDFluxType> stringToFluxType_; | 
| 127 | RNEMDMethod rnemdMethod_; | 
| 128 | RNEMDFluxType rnemdFluxType_; | 
| 129 | string rnemdObjectSelection_; | 
| 130 | SelectionEvaluator evaluator_; | 
| 131 | SelectionManager seleMan_; | 
| 132 | bool usePeriodicBoundaryConditions_; | 
| 133 | int nBins_; | 
| 134 | RealType slabWidth_; | 
| 135 | RealType slabACenter_; | 
| 136 | RealType slabBCenter_; | 
| 137 |  | 
| 138 | RealType kineticFlux_;        // target or desired *flux* | 
| 139 | Vector3d momentumFluxVector_; // target or desired *flux* | 
| 140 |  | 
| 141 | RealType kineticTarget_;     // target or desired one-time exchange energy | 
| 142 | Vector3d momentumTarget_;    // target or desired one-time exchange momentum | 
| 143 |  | 
| 144 | RealType kineticExchange_;    // actual exchange energy (running total) | 
| 145 | Vector3d momentumExchange_;   // actual exchange momentum (running total) | 
| 146 |  | 
| 147 | RealType exchangeTime_; | 
| 148 |  | 
| 149 | RealType targetJzpz2_; | 
| 150 |  | 
| 151 | unsigned int trialCount_; | 
| 152 | unsigned int failTrialCount_; | 
| 153 | unsigned int failRootCount_; | 
| 154 |  | 
| 155 | string rnemdFileName_; | 
| 156 | ofstream rnemdFile_; | 
| 157 |  | 
| 158 | RealType runTime_, statusTime_; | 
| 159 |  | 
| 160 | vector<OutputData> data_; | 
| 161 | OutputBitSet outputMask_; | 
| 162 | OutputMapType outputMap_; | 
| 163 | Accumulator* areaAccumulator_; | 
| 164 | bool doRNEMD_; | 
| 165 |  | 
| 166 | }; | 
| 167 | } | 
| 168 | #endif //INTEGRATORS_RNEMD_HPP |