| 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]  Vardeman & Gezelter, in progress (2009). | 
| 40 | */ | 
| 41 |  | 
| 42 | /** | 
| 43 | * @file RNEMD.hpp | 
| 44 | * @author gezelter | 
| 45 | * @date 03/13/2009 | 
| 46 | * @time 15:56pm | 
| 47 | * @version 1.0 | 
| 48 | */ | 
| 49 |  | 
| 50 | #ifndef INTEGRATORS_RNEMD_HPP | 
| 51 | #define INTEGRATORS_RNEMD_HPP | 
| 52 | #include "brains/SimInfo.hpp" | 
| 53 | #include "math/RandNumGen.hpp" | 
| 54 | #include "selection/SelectionEvaluator.hpp" | 
| 55 | #include "selection/SelectionManager.hpp" | 
| 56 | #include <iostream> | 
| 57 |  | 
| 58 | using namespace std; | 
| 59 | namespace OpenMD { | 
| 60 |  | 
| 61 | /** | 
| 62 | * @class RNEMD RNEMD.hpp "integrators/RNEMD.hpp" | 
| 63 | * @todo document | 
| 64 | */ | 
| 65 | class RNEMD { | 
| 66 | public: | 
| 67 | RNEMD(SimInfo* info); | 
| 68 | virtual ~RNEMD(); | 
| 69 |  | 
| 70 | void doRNEMD(); | 
| 71 | void doSwap(); | 
| 72 | void doScale(); | 
| 73 | void collectData(); | 
| 74 | void getStarted(); | 
| 75 | void getStatus(); | 
| 76 | void set_RNEMD_exchange_time(RealType exchangeTime) { | 
| 77 | exchangeTime_ = exchangeTime; | 
| 78 | } | 
| 79 | void set_RNEMD_nBins(int nbins) { nBins_ = nbins; } | 
| 80 | void set_RNEMD_logWidth(int logWidth) { rnemdLogWidth_ = logWidth; } | 
| 81 | void set_RNEMD_exchange_total(RealType et) { exchangeSum_ = et; } | 
| 82 | void set_RNEMD_target_flux(RealType targetFlux) {targetFlux_ = targetFlux;} | 
| 83 | RealType get_RNEMD_exchange_total() { return exchangeSum_; } | 
| 84 |  | 
| 85 | private: | 
| 86 |  | 
| 87 | enum RNEMDTypeEnum { | 
| 88 | rnemdKineticSwap, | 
| 89 | rnemdKineticScale, | 
| 90 | rnemdPxScale, | 
| 91 | rnemdPyScale, | 
| 92 | rnemdPzScale, | 
| 93 | rnemdPx, | 
| 94 | rnemdPy, | 
| 95 | rnemdPz, | 
| 96 | rnemdUnknown | 
| 97 | }; | 
| 98 |  | 
| 99 | SimInfo* info_; | 
| 100 | RandNumGen* randNumGen_; | 
| 101 | map<string, RNEMDTypeEnum> stringToEnumMap_; | 
| 102 | RNEMDTypeEnum rnemdType_; | 
| 103 | string rnemdObjectSelection_; | 
| 104 | SelectionEvaluator evaluator_; | 
| 105 | SelectionManager seleMan_; | 
| 106 | bool usePeriodicBoundaryConditions_; | 
| 107 | bool output3DTemp_; | 
| 108 | int nBins_; /**< The number of bins to divide the simulation box into.  */ | 
| 109 | /*! | 
| 110 | The middle bin for the RNEMD method. midBin_ = nBins_/2; | 
| 111 | Depending on the setting of the flux, this box should contain the minimum energy (temperature) | 
| 112 | within the simulation. | 
| 113 | */ | 
| 114 | int midBin_; | 
| 115 | int rnemdLogWidth_; /**< Number of elements to print out in logs */ | 
| 116 | RealType zShift_; | 
| 117 | RealType exchangeTime_; | 
| 118 | RealType targetFlux_; | 
| 119 | RealType exchangeSum_; | 
| 120 | int failTrialCount_; | 
| 121 | int failRootCount_; | 
| 122 | ofstream rnemdLog_; | 
| 123 | // keeps track of what's being averaged | 
| 124 | vector<RealType> valueHist_; | 
| 125 | vector<int> valueCount_, xyzTempCount_; | 
| 126 | // keeps track of the number of degrees of freedom being averaged | 
| 127 | vector<RealType> xTempHist_, yTempHist_, zTempHist_; | 
| 128 | ofstream xTempLog_, yTempLog_, zTempLog_; | 
| 129 | }; | 
| 130 |  | 
| 131 | } | 
| 132 | #endif //INTEGRATORS_RNEMD_HPP |