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root/OpenMD/branches/development/src/UseTheForce/MnM_FF.cpp
Revision: 1665
Committed: Tue Nov 22 20:38:56 2011 UTC (13 years, 5 months ago) by gezelter
File size: 7799 byte(s)
Log Message:
updated copyright notices

File Contents

# Content
1 /*
2 * Copyright (c) 2007 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
44 #include "UseTheForce/MnM_FF.hpp"
45 #include "UseTheForce/ForceFieldFactory.hpp"
46 #include "io/DirectionalAtomTypesSectionParser.hpp"
47 #include "io/BaseAtomTypesSectionParser.hpp"
48 #include "io/AtomTypesSectionParser.hpp"
49 #include "io/LennardJonesAtomTypesSectionParser.hpp"
50 #include "io/ChargeAtomTypesSectionParser.hpp"
51 #include "io/MultipoleAtomTypesSectionParser.hpp"
52 #include "io/StickyAtomTypesSectionParser.hpp"
53 #include "io/StickyPowerAtomTypesSectionParser.hpp"
54 #include "io/GayBerneAtomTypesSectionParser.hpp"
55 #include "io/BondTypesSectionParser.hpp"
56 #include "io/BendTypesSectionParser.hpp"
57 #include "io/TorsionTypesSectionParser.hpp"
58 #include "io/NonBondedInteractionsSectionParser.hpp"
59 #include "io/EAMAtomTypesSectionParser.hpp"
60 #include "io/SCAtomTypesSectionParser.hpp"
61 #include "io/OptionSectionParser.hpp"
62 #include "UseTheForce/ForceFieldCreator.hpp"
63
64
65 namespace OpenMD {
66
67 MnM_FF::MnM_FF() {
68
69 //set default force field filename
70 setForceFieldFileName("MnM.frc");
71
72 //The order of adding section parsers is important.
73 //OptionSectionParser must come first to set options for other parsers
74 //DirectionalAtomTypesSectionParser should be added before
75 //AtomTypesSectionParser, and these two section parsers will actually
76 //create "real" AtomTypes (AtomTypesSectionParser will create AtomType and
77 //DirectionalAtomTypesSectionParser will create DirectionalAtomType, which
78 //is a subclass of AtomType and should come first). Other AtomTypes Section
79 //Parser will not create the "real" AtomType, they only add and set some
80 //attribute of the AtomType. Thus their order are not important.
81 //AtomTypesSectionParser should be added before other atom type section
82 //parsers. Make sure they are added after DirectionalAtomTypesSectionParser
83 //and AtomTypesSectionParser. The order of BondTypesSectionParser,
84 //BendTypesSectionParser and TorsionTypesSectionParser are not important.
85 spMan_.push_back(new OptionSectionParser(forceFieldOptions_));
86 spMan_.push_back(new BaseAtomTypesSectionParser());
87 spMan_.push_back(new AtomTypesSectionParser());
88 spMan_.push_back(new DirectionalAtomTypesSectionParser(forceFieldOptions_));
89 spMan_.push_back(new LennardJonesAtomTypesSectionParser(forceFieldOptions_));
90 spMan_.push_back(new ChargeAtomTypesSectionParser(forceFieldOptions_));
91 spMan_.push_back(new MultipoleAtomTypesSectionParser(forceFieldOptions_));
92 spMan_.push_back(new StickyAtomTypesSectionParser(forceFieldOptions_));
93 spMan_.push_back(new StickyPowerAtomTypesSectionParser(forceFieldOptions_));
94 spMan_.push_back(new GayBerneAtomTypesSectionParser(forceFieldOptions_));
95 spMan_.push_back(new BondTypesSectionParser(forceFieldOptions_));
96 spMan_.push_back(new BendTypesSectionParser(forceFieldOptions_));
97 spMan_.push_back(new NonBondedInteractionsSectionParser(forceFieldOptions_));
98 spMan_.push_back(new SCAtomTypesSectionParser(forceFieldOptions_));
99 spMan_.push_back(new EAMAtomTypesSectionParser(forceFieldOptions_));
100 spMan_.push_back(new TorsionTypesSectionParser(forceFieldOptions_));
101
102 }
103
104 void MnM_FF::parse(const std::string& filename) {
105 ifstrstream* ffStream;
106
107 ffStream = openForceFieldFile(filename);
108
109 spMan_.parse(*ffStream, *this);
110
111 ForceField::AtomTypeContainer::MapTypeIterator i;
112 AtomType* at;
113 ForceField::AtomTypeContainer::MapTypeIterator j;
114 AtomType* at2;
115 ForceField::NonBondedInteractionTypeContainer::MapTypeIterator k;
116 NonBondedInteractionType* nbit;
117
118 for (at = atomTypeCont_.beginType(i); at != NULL;
119 at = atomTypeCont_.nextType(i)) {
120 // useBase sets the responsibilities, and these have to be done
121 // after the atomTypes and Base types have all been scanned:
122
123 std::vector<AtomType*> ayb = at->allYourBase();
124 if (ayb.size() > 1) {
125 for (int j = ayb.size()-1; j > 0; j--) {
126 ayb[j-1]->useBase(ayb[j]);
127 }
128 }
129 }
130
131 hasSCtypes_ = false;
132 for (at = atomTypeCont_.beginType(i); at != NULL;
133 at = atomTypeCont_.nextType(i)) {
134 if (at->isSC())
135 hasSCtypes_ = true;
136 }
137
138 hasEAMtypes_ = false;
139 for (at = atomTypeCont_.beginType(i); at != NULL;
140 at = atomTypeCont_.nextType(i)) {
141 if (at->isEAM())
142 hasEAMtypes_ = true;
143 }
144
145 if (hasEAMtypes_ && hasSCtypes_) {
146 sprintf(painCave.errMsg,
147 "MnM_FF forcefield cannot use both EAM and Sutton-Chen at the same time\n");
148 painCave.severity = OPENMD_ERROR;
149 painCave.isFatal = 1;
150 simError();
151 }
152
153 delete ffStream;
154
155 }
156
157
158 RealType MnM_FF::getRcutFromAtomType(AtomType* at) {
159 RealType rcut = 0.0;
160 if (at->isEAM()) {
161 GenericData* data = at->getPropertyByName("EAM");
162 if (data != NULL) {
163 EAMParamGenericData* eamData = dynamic_cast<EAMParamGenericData*>(data);
164
165 if (eamData != NULL) {
166
167 EAMParam& eamParam = eamData->getData();
168 rcut = eamParam.rcut;
169 }
170 else {
171 sprintf(painCave.errMsg,
172 "Can not cast GenericData to EAMParam\n");
173 painCave.severity = OPENMD_ERROR;
174 painCave.isFatal = 1;
175 simError();
176 }
177 }
178 else {
179 sprintf(painCave.errMsg, "Can not find EAM Parameters\n");
180 painCave.severity = OPENMD_ERROR;
181 painCave.isFatal = 1;
182 simError();
183 }
184 }
185 else {
186 rcut = ForceField::getRcutFromAtomType(at);
187 }
188
189 return rcut;
190 }
191 } //end namespace OpenMD
192

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