| 1 | gezelter | 507 | /* | 
| 2 | gezelter | 246 | * 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 | gezelter | 1390 | * 1. Redistributions of source code must retain the above copyright | 
| 10 | gezelter | 246 | *    notice, this list of conditions and the following disclaimer. | 
| 11 |  |  | * | 
| 12 | gezelter | 1390 | * 2. Redistributions in binary form must reproduce the above copyright | 
| 13 | gezelter | 246 | *    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 | gezelter | 1390 | * | 
| 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 | gezelter | 246 | */ | 
| 41 |  |  |  | 
| 42 |  |  | #ifndef CONSTRAINTS_ZCONSTRAINTFORCEMANAGER_HPP | 
| 43 |  |  | #define CONSTRAINTS_ZCONSTRAINTFORCEMANAGER_HPP | 
| 44 |  |  | #include <list> | 
| 45 |  |  | #include <string> | 
| 46 |  |  | #include <vector> | 
| 47 |  |  | #include "brains/ForceManager.hpp" | 
| 48 |  |  | #include "constraints/ZconsStruct.hpp" | 
| 49 |  |  | #include "io/ZConsWriter.hpp" | 
| 50 | gezelter | 1390 | namespace OpenMD { | 
| 51 | gezelter | 246 |  | 
| 52 | gezelter | 507 | class ZconstraintForceManager : public ForceManager { | 
| 53 |  |  | public: | 
| 54 |  |  | ZconstraintForceManager(SimInfo* info); | 
| 55 |  |  | ~ZconstraintForceManager(); | 
| 56 | gezelter | 246 |  | 
| 57 | gezelter | 507 | virtual void calcForces(bool needPotential, bool needStress); | 
| 58 | gezelter | 246 |  | 
| 59 | tim | 963 | RealType getZConsTime() { return zconsTime_; } | 
| 60 | gezelter | 507 | std::string getZConsOutput() { return zconsOutput_; } | 
| 61 | gezelter | 246 |  | 
| 62 | gezelter | 507 | void update(); | 
| 63 |  |  | virtual void init(); | 
| 64 |  |  | private: | 
| 65 | gezelter | 246 |  | 
| 66 | gezelter | 507 | bool isZMol(Molecule* mol); | 
| 67 |  |  | void thermalize(void); | 
| 68 | gezelter | 246 |  | 
| 69 | gezelter | 507 | void zeroVelocity(); | 
| 70 |  |  | void doZconstraintForce(); | 
| 71 |  |  | void doHarmonic(); | 
| 72 |  |  | bool checkZConsState(); | 
| 73 |  |  | void updateZPos(); | 
| 74 |  |  | void updateCantPos(); | 
| 75 |  |  | void calcTotalMassMovingZMols(); | 
| 76 |  |  | bool haveMovingZMols(); | 
| 77 |  |  | bool haveFixedZMols(); | 
| 78 | tim | 963 | RealType getZTargetPos(int index); | 
| 79 |  |  | RealType getZFOfFixedZMols(Molecule* mol, StuntDouble* sd, RealType totalForce) ; | 
| 80 |  |  | RealType getZFOfMovingMols(Molecule* mol, RealType totalForce) ; | 
| 81 |  |  | RealType getHFOfFixedZMols(Molecule* mol, StuntDouble* sd, RealType totalForce); | 
| 82 |  |  | RealType getHFOfUnconsMols(Molecule* mol, RealType totalForce); | 
| 83 | gezelter | 246 |  | 
| 84 | gezelter | 507 | std::list<ZconstraintMol> movingZMols_;  /**<   moving zconstraint molecules*/ | 
| 85 |  |  | std::list<ZconstraintMol> fixedZMols_;      /**< fixed zconstraint molecules*/ | 
| 86 |  |  | std::vector<Molecule*> unzconsMols_;    /**< free molecules*/ | 
| 87 | gezelter | 246 |  | 
| 88 | tim | 963 | RealType zconsTime_; | 
| 89 | gezelter | 507 | std::string zconsOutput_; | 
| 90 | tim | 963 | RealType zconsTol_; | 
| 91 | gezelter | 507 | bool usingSMD_; | 
| 92 | tim | 963 | RealType zconsFixingTime_; | 
| 93 |  |  | RealType zconsGap_; | 
| 94 | gezelter | 507 | bool usingZconsGap_; | 
| 95 | tim | 963 | RealType dt_; | 
| 96 | gezelter | 246 |  | 
| 97 | gezelter | 507 | const static int whichDirection = 2; | 
| 98 | gezelter | 246 |  | 
| 99 | gezelter | 507 | std::map<int, ZconstraintParam> allZMolIndices_; | 
| 100 | gezelter | 246 |  | 
| 101 | gezelter | 507 | Snapshot* currSnapshot_; | 
| 102 | tim | 963 | RealType currZconsTime_; | 
| 103 | gezelter | 246 |  | 
| 104 | tim | 963 | RealType totMassMovingZMols_; | 
| 105 |  |  | RealType totMassUnconsMols_;  /**< mass of unconstraint molecules in the whole system (never change) */ | 
| 106 | gezelter | 246 |  | 
| 107 | gezelter | 507 | ZConsWriter* fzOut; | 
| 108 | tim | 963 | const RealType infiniteTime; | 
| 109 | gezelter | 507 | }; | 
| 110 | gezelter | 246 |  | 
| 111 |  |  | } | 
| 112 |  |  | #endif |