| 1 | gezelter | 1629 | /* | 
| 2 |  |  | * Copyright (c) 2008, 2010 The University of Notre Dame. All Rights Reserved. | 
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| 9 |  |  | * 1. Redistributions of source code must retain the above copyright | 
| 10 |  |  | *    notice, this list of conditions and the following disclaimer. | 
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| 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. | 
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| 17 |  |  | * This software is provided "AS IS," without a warranty of any | 
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| 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 | gezelter | 1850 | * [3]  Sun, Lin & Gezelter, J. Chem. Phys. 128, 234107 (2008). | 
| 39 | gezelter | 1665 | * [4]  Kuang & Gezelter,  J. Chem. Phys. 133, 164101 (2010). | 
| 40 |  |  | * [5]  Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011). | 
| 41 | gezelter | 1629 | */ | 
| 42 |  |  |  | 
| 43 |  |  | #ifndef INTEGRATOR_LANGEVINHULLFORCEMANAGER_HPP | 
| 44 |  |  | #define INTEGRATOR_LANGEVINHULLFORCEMANAGER_HPP | 
| 45 |  |  |  | 
| 46 |  |  | #include "brains/ForceManager.hpp" | 
| 47 |  |  | #include "brains/Thermo.hpp" | 
| 48 |  |  | #include "primitives/Molecule.hpp" | 
| 49 |  |  | #include "integrators/Velocitizer.hpp" | 
| 50 |  |  | #include "math/Hull.hpp" | 
| 51 |  |  | #include "math/Triangle.hpp" | 
| 52 |  |  | #include "math/SeqRandNumGen.hpp" | 
| 53 |  |  |  | 
| 54 | gezelter | 1858 | using namespace std; | 
| 55 | gezelter | 1629 | namespace OpenMD { | 
| 56 |  |  |  | 
| 57 |  |  | /** | 
| 58 |  |  | * @class LangevinHullForceManager | 
| 59 | gezelter | 1858 | * Force manager for NPT Langevin Hull Dynamics applying friction | 
| 60 |  |  | * and random forces as well as torques.  Stochastic force is | 
| 61 |  |  | * determined by the area of surface triangles on the convex hull. | 
| 62 |  |  | * See: Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011), | 
| 63 |  |  | *      and Kohanoff et al. CHEMPHYSCHEM 6, 1848-1852 (2005). | 
| 64 | gezelter | 1629 | */ | 
| 65 |  |  | class LangevinHullForceManager : public ForceManager{ | 
| 66 |  |  |  | 
| 67 |  |  | public: | 
| 68 |  |  | LangevinHullForceManager(SimInfo * info); | 
| 69 | gezelter | 1868 | virtual ~LangevinHullForceManager(); | 
| 70 | gezelter | 1629 |  | 
| 71 |  |  | protected: | 
| 72 |  |  | virtual void postCalculation(); | 
| 73 |  |  |  | 
| 74 |  |  | private: | 
| 75 | gezelter | 1858 | vector<Vector3d> genTriangleForces(int nTriangles, RealType variance); | 
| 76 |  |  |  | 
| 77 | gezelter | 1629 | Globals* simParams; | 
| 78 |  |  | SeqRandNumGen randNumGen_; | 
| 79 |  |  | Velocitizer* veloMunge; | 
| 80 | gezelter | 1858 |  | 
| 81 | gezelter | 1629 | RealType dt_; | 
| 82 |  |  | RealType targetTemp_; | 
| 83 |  |  | RealType targetPressure_; | 
| 84 |  |  | RealType viscosity_; | 
| 85 | gezelter | 1858 |  | 
| 86 | gezelter | 1629 | RealType variance_; | 
| 87 | gezelter | 1858 |  | 
| 88 |  |  | enum HullTypeEnum { | 
| 89 | gezelter | 1629 | hullConvex, | 
| 90 |  |  | hullAlphaShape, | 
| 91 |  |  | hullUnknown | 
| 92 |  |  | }; | 
| 93 |  |  |  | 
| 94 | gezelter | 1858 | map<string, HullTypeEnum> stringToEnumMap_; | 
| 95 | gezelter | 1629 | HullTypeEnum hullType_; | 
| 96 | gezelter | 1858 |  | 
| 97 | gezelter | 1855 | bool doThermalCoupling_; | 
| 98 | gezelter | 1858 | bool doPressureCoupling_; | 
| 99 | gezelter | 1629 |  | 
| 100 |  |  | Hull* surfaceMesh_; | 
| 101 | gezelter | 1858 | vector<StuntDouble*> localSites_; | 
| 102 | gezelter | 1629 | }; | 
| 103 |  |  |  | 
| 104 |  |  | } //end namespace OpenMD | 
| 105 |  |  | #endif //LANGEVINHULL_FORCEMANAGER | 
| 106 |  |  |  |