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root/OpenMD/branches/development/src/applications/openmd/openmd.cpp
Revision: 1744
Committed: Tue Jun 5 18:07:08 2012 UTC (12 years, 10 months ago) by gezelter
File size: 8898 byte(s)
Log Message:
Fixes for minimization

File Contents

# Content
1 /*
2 * Copyright (c) 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 * [3] Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008).
39 * [4] Kuang & Gezelter, J. Chem. Phys. 133, 164101 (2010).
40 * [5] Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011).
41 */
42
43 #ifdef IS_MPI
44 #include <mpi.h>
45 #endif
46
47 #include <fstream>
48 #include "utils/simError.h"
49 #include "utils/CaseConversion.hpp"
50 #include "brains/Register.hpp"
51 #include "brains/SimCreator.hpp"
52 #include "brains/SimInfo.hpp"
53 #include "constraints/ZconstraintForceManager.hpp"
54 #include "restraints/RestraintForceManager.hpp"
55 #include "integrators/IntegratorFactory.hpp"
56 #include "integrators/Integrator.hpp"
57 #include "optimization/OptimizationFactory.hpp"
58 #include "optimization/Method.hpp"
59 #include "optimization/Constraint.hpp"
60 #include "optimization/Problem.hpp"
61 #include "optimization/PotentialEnergyObjectiveFunction.hpp"
62 #include "restraints/ThermoIntegrationForceManager.hpp"
63
64 using namespace OpenMD;
65 using namespace QuantLib;
66
67 int main(int argc,char* argv[]){
68
69 // first things first, all of the initializations
70
71 #ifdef IS_MPI
72 MPI_Init( &argc, &argv ); // the MPI communicators
73 #endif
74
75 initSimError(); // the error handler
76 srand48( 1337 ); // the random number generator.
77
78 std::string svnrev;
79 //convert a macro from compiler to a string in c++
80 STR_DEFINE(svnrev, SVN_REV );
81
82 std::string revision;
83
84 if (!svnrev.empty()) {
85 revision.assign(" Revision: " + svnrev);
86 }
87
88 revision.resize(19,' ');
89
90 #ifdef IS_MPI
91 if( worldRank == 0 ){
92 #endif
93 std::cerr <<
94 " +--------------------------------------------------------------------------+\n"<<
95 " | ____ __ ___ ____ |\n"<<
96 " | / __ \\____ ___ ____ / |/ // __ \\ The Open Molecular Dynamics |\n"<<
97 " | / / / / __ \\/ _ \\/ __ \\ / /|_/ // / / / Engine (formerly OOPSE). |\n"<<
98 " | / /_/ / /_/ / __/ / / // / / // /_/ / |\n"<<
99 " | \\____/ .___/\\___/_/ /_//_/ /_//_____/ Copyright 2004-2012 by the |\n"<<
100 " | /_/ University of Notre Dame. |\n"<<
101 " | |\n"<<
102 " | version " <<
103 OPENMD_VERSION_MAJOR << "." << OPENMD_VERSION_MINOR << revision <<
104 " http://www.openmd.net |\n"<<
105 " | |\n"<<
106 " | OpenMD is an OpenScience project. All source code is available for any |\n"<<
107 " | use whatsoever under a BSD-style license. |\n"<<
108 " | |\n"<<
109 " | Support OpenScience! If you use OpenMD or its source code in your |\n"<<
110 " | research, please cite the appropriate papers when you publish your work |\n"<<
111 " | Good starting points are: |\n"<<
112 " | |\n"<<
113 " | [1] Meineke, et al., J. Comp. Chem. 26, 252-271 (2005). |\n"<<
114 " | [2] Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006). |\n"<<
115 " | [3] Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008). |\n"<<
116 " | [4] Kuang & Gezelter, J. Chem. Phys. 133, 164101 (2010). |\n"<<
117 " | [5] Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011). |\n"<<
118 " | [6] Kuang & Gezelter, Mol. Phys., in press (2012). |\n"<<
119 " +--------------------------------------------------------------------------+\n"<<
120 "\n";
121
122 if( argc < 2 ){
123 strcpy( painCave.errMsg, "Error, a meta-data file is needed to run.\n" );
124 painCave.isFatal = 1;
125 simError();
126 }
127 #ifdef IS_MPI
128 }
129 #endif
130
131 strcpy( checkPointMsg, "Successful number of arguments" );
132 errorCheckPoint();
133
134 //register forcefields, integrators and minimizers
135 registerAll();
136
137 //create simulation model
138 SimCreator creator;
139 SimInfo* info = creator.createSim(argv[1]);
140
141 Globals* simParams = info->getSimParams();
142
143 if (simParams->haveMinimizer() && simParams->haveEnsemble()) {
144 sprintf(painCave.errMsg, "Minimizer keyword and Ensemble keyword can not exist together\n");
145 painCave.isFatal = 1;
146 simError();
147 }
148
149
150 if (simParams->haveMinimizer()) {
151 //create minimizer
152 OptimizationMethod* myMinimizer =OptimizationFactory::getInstance()->createOptimization(toUpperCopy(simParams->getMinimizer()), info);
153
154 if (myMinimizer == NULL) {
155 sprintf(painCave.errMsg, "Optimization Factory can not create %s OptimizationMethod\n",
156 simParams->getMinimizer().c_str());
157 painCave.isFatal = 1;
158 simError();
159 }
160
161 ForceManager* fman = new ForceManager(info);
162 fman->initialize();
163
164 PotentialEnergyObjectiveFunction potObjf(info, fman);
165 DumpStatusFunction dsf(info);
166 DynamicVector<RealType> initCoords = potObjf.setInitialCoords();
167 Problem problem(potObjf, *(new NoConstraint()), dsf, initCoords);
168 EndCriteria endCriteria(1000, 100, 1e-5, 1e-5, 1e-5);
169
170 myMinimizer->minimize(problem, endCriteria);
171
172 delete myMinimizer;
173 } else if (simParams->haveEnsemble()) {
174 //create Integrator
175
176 Integrator* myIntegrator = IntegratorFactory::getInstance()->createIntegrator(toUpperCopy(simParams->getEnsemble()), info);
177
178 if (myIntegrator == NULL) {
179 sprintf(painCave.errMsg, "Integrator Factory can not create %s Integrator\n",
180 simParams->getEnsemble().c_str());
181 painCave.isFatal = 1;
182 simError();
183 }
184
185 //Thermodynamic Integration Method
186 //set the force manager for thermodynamic integration if specified
187 if (simParams->getUseThermodynamicIntegration()){
188 ForceManager* fman = new ThermoIntegrationForceManager(info);
189 myIntegrator->setForceManager(fman);
190 }
191
192 // Restraints
193 if (simParams->getUseRestraints() && !simParams->getUseThermodynamicIntegration()) {
194 ForceManager* fman = new RestraintForceManager(info);
195 myIntegrator->setForceManager(fman);
196 }
197
198 //Zconstraint-Method
199 if (simParams->getNZconsStamps() > 0) {
200 info->setNZconstraint(simParams->getNZconsStamps());
201 ForceManager* fman = new ZconstraintForceManager(info);
202 myIntegrator->setForceManager(fman);
203 }
204
205 myIntegrator->integrate();
206 delete myIntegrator;
207 }else {
208 sprintf(painCave.errMsg, "Integrator Factory can not create %s Integrator\n",
209 simParams->getEnsemble().c_str());
210 painCave.isFatal = 1;
211 simError();
212 }
213
214 delete info;
215
216
217 strcpy( checkPointMsg, "Great googly moogly! It worked!" );
218 errorCheckPoint();
219
220 #ifdef IS_MPI
221 MPI_Finalize();
222 #endif
223
224 return 0 ;
225 }

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