| 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 | ~RNEMD(); | 
| 66 |  | 
| 67 | void doRNEMD(); | 
| 68 | void doSwap(SelectionManager& smanA, SelectionManager& smanB); | 
| 69 | void doNIVS(SelectionManager& smanA, SelectionManager& smanB); | 
| 70 | void doVSS(SelectionManager& smanA, SelectionManager& smanB); | 
| 71 | RealType getDividingArea(); | 
| 72 | void collectData(); | 
| 73 | void getStarted(); | 
| 74 | void parseOutputFileFormat(const std::string& format); | 
| 75 | void writeOutputFile(); | 
| 76 | void writeReal(int index, unsigned int bin); | 
| 77 | void writeVector(int index, unsigned int bin); | 
| 78 | void writeRealErrorBars(int index, unsigned int bin); | 
| 79 | void writeVectorErrorBars(int index, unsigned int bin); | 
| 80 |  | 
| 81 | private: | 
| 82 |  | 
| 83 | enum RNEMDMethod { | 
| 84 | rnemdSwap, | 
| 85 | rnemdNIVS, | 
| 86 | rnemdVSS, | 
| 87 | rnemdUnkownMethod | 
| 88 | }; | 
| 89 | enum RNEMDFluxType { | 
| 90 | rnemdKE,       // translational kinetic energy flux | 
| 91 | rnemdRotKE,    // rotational kinetic energy flux | 
| 92 | rnemdFullKE,   // full kinetic energy flux | 
| 93 | rnemdPx,       // flux of momentum along x axis | 
| 94 | rnemdPy,       // flux of momentum along y axis | 
| 95 | rnemdPz,       // flux of momentum along z axis | 
| 96 | rnemdPvector,  // flux of momentum vector | 
| 97 | rnemdLx,       // flux of angular momentum along x axis | 
| 98 | rnemdLy,       // flux of angular momentum along y axis | 
| 99 | rnemdLz,       // flux of angular momentum along z axis | 
| 100 | rnemdLvector,  // flux of angular momentum vector | 
| 101 | rnemdKePx,     // flux of translational KE and x-momentum | 
| 102 | rnemdKePy,     // flux of translational KE and y-momentum | 
| 103 | rnemdKePvector, // full combo flying platter | 
| 104 | rnemdKeLx,     // flux of translational KE and x-angular momentum | 
| 105 | rnemdKeLy,     // flux of translational KE and y-angular momentum | 
| 106 | rnemdKeLz,     // flux of translational KE and z-angular momentum | 
| 107 | rnemdKeLvector, // full combo spinning platter | 
| 108 | rnemdUnknownFluxType | 
| 109 | }; | 
| 110 |  | 
| 111 | enum OutputFields { | 
| 112 | BEGININDEX = 0, | 
| 113 | Z = BEGININDEX, | 
| 114 | R, | 
| 115 | TEMPERATURE, | 
| 116 | VELOCITY, | 
| 117 | ANGULARVELOCITY, | 
| 118 | DENSITY, | 
| 119 | ENDINDEX | 
| 120 | }; | 
| 121 |  | 
| 122 | struct OutputData { | 
| 123 | string title; | 
| 124 | string units; | 
| 125 | string dataType; | 
| 126 | vector<BaseAccumulator*> accumulator; | 
| 127 | }; | 
| 128 |  | 
| 129 | typedef bitset<ENDINDEX-BEGININDEX> OutputBitSet; | 
| 130 | typedef map<string, OutputFields> OutputMapType; | 
| 131 |  | 
| 132 | SimInfo* info_; | 
| 133 |  | 
| 134 | map<string, RNEMDMethod> stringToMethod_; | 
| 135 | map<string, RNEMDFluxType> stringToFluxType_; | 
| 136 | RNEMDMethod rnemdMethod_; | 
| 137 | RNEMDFluxType rnemdFluxType_; | 
| 138 |  | 
| 139 | // object selection for specifying a particular species: | 
| 140 | string rnemdObjectSelection_; | 
| 141 | SelectionEvaluator evaluator_; | 
| 142 | SelectionManager seleMan_; | 
| 143 |  | 
| 144 | // Geometric selections for the two regions for the exchange: | 
| 145 | string selectionA_; | 
| 146 | SelectionEvaluator evaluatorA_; | 
| 147 | SelectionManager seleManA_; | 
| 148 | string selectionB_; | 
| 149 | SelectionEvaluator evaluatorB_; | 
| 150 | SelectionManager seleManB_; | 
| 151 | SelectionManager commonA_; | 
| 152 | SelectionManager commonB_; | 
| 153 | bool hasSelectionA_; | 
| 154 | bool hasSelectionB_; | 
| 155 | bool hasSphereBRadius_; | 
| 156 |  | 
| 157 | bool usePeriodicBoundaryConditions_; | 
| 158 | bool hasDividingArea_; | 
| 159 | RealType dividingArea_; | 
| 160 |  | 
| 161 | int nBins_; | 
| 162 | RealType binWidth_; | 
| 163 | RealType slabWidth_; | 
| 164 | RealType slabACenter_; | 
| 165 | RealType slabBCenter_; | 
| 166 | RealType sphereARadius_; | 
| 167 | RealType sphereBRadius_; | 
| 168 | RealType areaA_; | 
| 169 | bool AisHull_; | 
| 170 | RealType areaB_; | 
| 171 | bool BisHull_; | 
| 172 |  | 
| 173 | Vector3d coordinateOrigin_; | 
| 174 |  | 
| 175 | RealType kineticFlux_;        // target or desired *flux* | 
| 176 | Vector3d momentumFluxVector_; // target or desired *flux* | 
| 177 | Vector3d angularMomentumFluxVector_; // target or desired *flux* | 
| 178 |  | 
| 179 | RealType kineticTarget_;     // target or desired one-time exchange energy | 
| 180 | Vector3d momentumTarget_;    // target or desired one-time exchange momentum | 
| 181 | Vector3d angularMomentumTarget_; // target or desired one-time | 
| 182 | // exchange angular momentum | 
| 183 |  | 
| 184 | RealType kineticExchange_;    // actual exchange energy (running total) | 
| 185 | Vector3d momentumExchange_;   // actual exchange momentum (running total) | 
| 186 | Vector3d angularMomentumExchange_; // actual exchange momentum | 
| 187 | // (running total) | 
| 188 | RealType exchangeTime_; | 
| 189 |  | 
| 190 | RealType targetJzpz2_; | 
| 191 |  | 
| 192 | unsigned int trialCount_; | 
| 193 | unsigned int failTrialCount_; | 
| 194 | unsigned int failRootCount_; | 
| 195 |  | 
| 196 | string rnemdFileName_; | 
| 197 | ofstream rnemdFile_; | 
| 198 |  | 
| 199 | RealType runTime_, statusTime_; | 
| 200 |  | 
| 201 | vector<OutputData> data_; | 
| 202 | OutputBitSet outputMask_; | 
| 203 | OutputMapType outputMap_; | 
| 204 | Accumulator* areaAccumulator_; | 
| 205 | bool doRNEMD_; | 
| 206 | bool hasData_; | 
| 207 |  | 
| 208 | }; | 
| 209 | } | 
| 210 | #endif //INTEGRATORS_RNEMD_HPP |