| 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. Acknowledgement of the program authors must be made in any | 
| 10 | *    publication of scientific results based in part on use of the | 
| 11 | *    program.  An acceptable form of acknowledgement is citation of | 
| 12 | *    the article in which the program was described (Matthew | 
| 13 | *    A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher | 
| 14 | *    J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented | 
| 15 | *    Parallel Simulation Engine for Molecular Dynamics," | 
| 16 | *    J. Comput. Chem. 26, pp. 252-271 (2005)) | 
| 17 | * | 
| 18 | * 2. Redistributions of source code must retain the above copyright | 
| 19 | *    notice, this list of conditions and the following disclaimer. | 
| 20 | * | 
| 21 | * 3. Redistributions in binary form must reproduce the above copyright | 
| 22 | *    notice, this list of conditions and the following disclaimer in the | 
| 23 | *    documentation and/or other materials provided with the | 
| 24 | *    distribution. | 
| 25 | * | 
| 26 | * This software is provided "AS IS," without a warranty of any | 
| 27 | * kind. All express or implied conditions, representations and | 
| 28 | * warranties, including any implied warranty of merchantability, | 
| 29 | * fitness for a particular purpose or non-infringement, are hereby | 
| 30 | * excluded.  The University of Notre Dame and its licensors shall not | 
| 31 | * be liable for any damages suffered by licensee as a result of | 
| 32 | * using, modifying or distributing the software or its | 
| 33 | * derivatives. In no event will the University of Notre Dame or its | 
| 34 | * licensors be liable for any lost revenue, profit or data, or for | 
| 35 | * direct, indirect, special, consequential, incidental or punitive | 
| 36 | * damages, however caused and regardless of the theory of liability, | 
| 37 | * arising out of the use of or inability to use software, even if the | 
| 38 | * University of Notre Dame has been advised of the possibility of | 
| 39 | * such damages. | 
| 40 | */ | 
| 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 | namespace oopse { | 
| 51 |  | 
| 52 | class ZconstraintForceManager : public ForceManager { | 
| 53 | public: | 
| 54 | ZconstraintForceManager(SimInfo* info); | 
| 55 | ~ZconstraintForceManager(); | 
| 56 |  | 
| 57 | virtual void calcForces(bool needPotential, bool needStress); | 
| 58 |  | 
| 59 | RealType getZConsTime() { return zconsTime_; } | 
| 60 | std::string getZConsOutput() { return zconsOutput_; } | 
| 61 |  | 
| 62 | void update(); | 
| 63 | virtual void init(); | 
| 64 | private: | 
| 65 |  | 
| 66 | bool isZMol(Molecule* mol); | 
| 67 | void thermalize(void); | 
| 68 |  | 
| 69 | 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 | 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 |  | 
| 84 | std::list<ZconstraintMol> movingZMols_;  /**<   moving zconstraint molecules*/ | 
| 85 | std::list<ZconstraintMol> fixedZMols_;      /**< fixed zconstraint molecules*/ | 
| 86 | std::vector<Molecule*> unzconsMols_;    /**< free molecules*/ | 
| 87 |  | 
| 88 | RealType zconsTime_; | 
| 89 | std::string zconsOutput_; | 
| 90 | RealType zconsTol_; | 
| 91 | bool usingSMD_; | 
| 92 | RealType zconsFixingTime_; | 
| 93 | RealType zconsGap_; | 
| 94 | bool usingZconsGap_; | 
| 95 | RealType dt_; | 
| 96 |  | 
| 97 | const static int whichDirection = 2; | 
| 98 |  | 
| 99 | std::map<int, ZconstraintParam> allZMolIndices_; | 
| 100 |  | 
| 101 | Snapshot* currSnapshot_; | 
| 102 | RealType currZconsTime_; | 
| 103 |  | 
| 104 | RealType totMassMovingZMols_; | 
| 105 | RealType totMassUnconsMols_;  /**< mass of unconstraint molecules in the whole system (never change) */ | 
| 106 |  | 
| 107 | ZConsWriter* fzOut; | 
| 108 | const RealType infiniteTime; | 
| 109 | }; | 
| 110 |  | 
| 111 | } | 
| 112 | #endif |