1 |
gezelter |
1629 |
/* |
2 |
|
|
* Copyright (c) 2008, 2010 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 |
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 |
|
|
|