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root/OpenMD/trunk/src/integrators/RNEMD.cpp
Revision: 1331
Committed: Thu Apr 2 16:04:52 2009 UTC (16 years, 1 month ago) by gezelter
File size: 4770 byte(s)
Log Message:
Adding options to RNEMD for selecting particular StuntDoubles

File Contents

# Content
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 #include "integrators/RNEMD.hpp"
43 #include "math/SquareMatrix3.hpp"
44 #include "primitives/Molecule.hpp"
45 #include "primitives/StuntDouble.hpp"
46
47 #ifndef IS_MPI
48 #include "math/SeqRandNumGen.hpp"
49 #else
50 #include "math/ParallelRandNumGen.hpp"
51 #endif
52
53 /* Remove me after testing*/
54 /*
55 #include <cstdio>
56 #include <iostream>
57 */
58 /*End remove me*/
59
60 namespace oopse {
61
62 RNEMD::RNEMD(SimInfo* info) : info_(info), evaluator_(info), seleMan_(info) {
63
64 int seedValue;
65 Globals * simParams = info->getSimParams();
66
67 stringToEnumMap_["Kinetic"] = rnemdKinetic;
68 stringToEnumMap_["Px"] = rnemdPx;
69 stringToEnumMap_["Py"] = rnemdPy;
70 stringToEnumMap_["Pz"] = rnemdPz;
71 stringToEnumMap_["Unknown"] = rnemdUnknown;
72
73 rnemdObjectSelection_ = simParams->getRNEMD_objectSelection();
74
75 std::cerr << "calling evaluator with " << rnemdObjectSelection_ << "\n";
76 evaluator_.loadScriptString(rnemdObjectSelection_);
77 std::cerr << "done";
78
79 const std::string st = simParams->getRNEMD_swapType();
80
81 std::map<std::string, RNEMDTypeEnum>::iterator i;
82 i = stringToEnumMap_.find(st);
83 rnemdType_ = (i == stringToEnumMap_.end()) ? RNEMD::rnemdUnknown : i->second;
84
85 set_RNEMD_swapTime(simParams->getRNEMD_swapTime());
86 set_RNEMD_nBins(simParams->getRNEMD_nBins());
87 exchangeSum_ = 0.0;
88
89 #ifndef IS_MPI
90 if (simParams->haveSeed()) {
91 seedValue = simParams->getSeed();
92 randNumGen_ = new SeqRandNumGen(seedValue);
93 }else {
94 randNumGen_ = new SeqRandNumGen();
95 }
96 #else
97 if (simParams->haveSeed()) {
98 seedValue = simParams->getSeed();
99 randNumGen_ = new ParallelRandNumGen(seedValue);
100 }else {
101 randNumGen_ = new ParallelRandNumGen();
102 }
103 #endif
104 }
105
106 RNEMD::~RNEMD() {
107 delete randNumGen_;
108 }
109
110 void RNEMD::doSwap() {
111 std::cerr << "in RNEMD!\n";
112 std::cerr << "nBins = " << nBins_ << "\n";
113 std::cerr << "swapTime = " << swapTime_ << "\n";
114 std::cerr << "exchangeSum = " << exchangeSum_ << "\n";
115 std::cerr << "swapType = " << rnemdType_ << "\n";
116 std::cerr << "selection = " << rnemdObjectSelection_ << "\n";
117
118 seleMan_.setSelectionSet(evaluator_.evaluate());
119
120 std::cerr << "selectionCount = " << seleMan_.getSelectionCount() << "\n\n";
121
122 int i;
123 StuntDouble* sd;
124
125 for (sd = seleMan_.beginSelected(i); sd != NULL; sd = seleMan_.nextSelected(i)) {
126 Vector3d pos = sd->getPos();
127 //wrap the stuntdoubles into a cell
128 if (usePeriodicBoundaryConditions_)
129 info_->getSnapshotManager()->getCurrentSnapshot()->wrapVector(pos);
130 int binNo = int(nBins_ * (pos.z()) / hmat(2,2));
131 sliceSDLists_[binNo].push_back(sd);
132 }
133
134 }
135 }