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root/group/trunk/OOPSE-4/src/UseTheForce/MnM_FF.cpp
Revision: 3164
Committed: Thu Jul 12 23:21:00 2007 UTC (16 years, 11 months ago) by chuckv
File size: 8668 byte(s)
Log Message:
More changes to MnM.

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. 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
43 #include "UseTheForce/MnM_FF.hpp"
44 #include "UseTheForce/DarkSide/lj_interface.h"
45 #include "UseTheForce/DarkSide/sticky_interface.h"
46 #include "UseTheForce/DarkSide/eam_interface.h"
47 #include "UseTheForce/DarkSide/suttonchen_interface.h"
48 #include "UseTheForce/ForceFieldFactory.hpp"
49 #include "io/DirectionalAtomTypesSectionParser.hpp"
50 #include "io/AtomTypesSectionParser.hpp"
51 #include "io/LennardJonesAtomTypesSectionParser.hpp"
52 #include "io/ChargeAtomTypesSectionParser.hpp"
53 #include "io/MultipoleAtomTypesSectionParser.hpp"
54 #include "io/StickyAtomTypesSectionParser.hpp"
55 #include "io/StickyPowerAtomTypesSectionParser.hpp"
56 #include "io/GayBerneAtomTypesSectionParser.hpp"
57 #include "io/BondTypesSectionParser.hpp"
58 #include "io/BendTypesSectionParser.hpp"
59 #include "io/TorsionTypesSectionParser.hpp"
60 #include "io/MetalNonMetalInteractionsSectionParser.hpp"
61 #include "io/EAMAtomTypesSectionParser.hpp"
62 #include "io/SCAtomTypesSectionParser.hpp"
63 #include "io/OptionSectionParser.hpp"
64 #include "UseTheForce/ForceFieldCreator.hpp"
65
66
67 namespace oopse
68 {
69
70 MnM_FF::MnM_FF()
71 {
72
73 //set default force field filename
74 setForceFieldFileName("MnM.frc");
75
76 //The order of adding section parsers is important.
77 //OptionSectionParser must come first to set options for other parsers
78 //DirectionalAtomTypesSectionParser should be added before
79 //AtomTypesSectionParser, and these two section parsers will actually
80 //create "real" AtomTypes (AtomTypesSectionParser will create AtomType and
81 //DirectionalAtomTypesSectionParser will create DirectionalAtomType, which
82 //is a subclass of AtomType and should come first). Other AtomTypes Section
83 //Parser will not create the "real" AtomType, they only add and set some
84 //attribute of the AtomType. Thus their order are not important.
85 //AtomTypesSectionParser should be added before other atom type section
86 //parsers. Make sure they are added after DirectionalAtomTypesSectionParser
87 //and AtomTypesSectionParser. The order of BondTypesSectionParser,
88 //BendTypesSectionParser and TorsionTypesSectionParser are not important.
89 spMan_.push_back(new OptionSectionParser(forceFieldOptions_));
90 spMan_.push_back(new DirectionalAtomTypesSectionParser(forceFieldOptions_));
91 spMan_.push_back(new AtomTypesSectionParser());
92 spMan_.push_back(new LennardJonesAtomTypesSectionParser(forceFieldOptions_));
93 spMan_.push_back(new ChargeAtomTypesSectionParser(forceFieldOptions_));
94 spMan_.push_back(new MultipoleAtomTypesSectionParser(forceFieldOptions_));
95 spMan_.push_back(new StickyAtomTypesSectionParser(forceFieldOptions_));
96 spMan_.push_back(new StickyPowerAtomTypesSectionParser(forceFieldOptions_));
97 spMan_.push_back(new GayBerneAtomTypesSectionParser(forceFieldOptions_));
98 spMan_.push_back(new BondTypesSectionParser(forceFieldOptions_));
99 spMan_.push_back(new BendTypesSectionParser(forceFieldOptions_));
100 spMan_.push_back(new MetalNonMetalInteractionsSectionParser(forceFieldOptions_));
101 spMan_.push_back(new SCAtomTypesSectionParser(forceFieldOptions_));
102 spMan_.push_back(new EAMAtomTypesSectionParser(forceFieldOptions_));
103 spMan_.push_back(new TorsionTypesSectionParser(forceFieldOptions_));
104
105 }
106
107 void MnM_FF::parse(const std::string& filename) {
108 ifstrstream* ffStream;
109
110
111 ffStream = openForceFieldFile(filename);
112
113 spMan_.parse(*ffStream, *this);
114
115 ForceField::AtomTypeContainer::MapTypeIterator i;
116 AtomType* at;
117 ForceField::AtomTypeContainer::MapTypeIterator j;
118 AtomType* at2;
119 ForceField::NonBondedInteractionTypeContainer::MapTypeIterator k;
120 NonBondedInteractionType* nbit;
121
122 for (at = atomTypeCont_.beginType(i); at != NULL;
123 at = atomTypeCont_.nextType(i)) {
124 at->makeFortranAtomType();
125 }
126
127 for (at = atomTypeCont_.beginType(i); at != NULL;
128 at = atomTypeCont_.nextType(i)) {
129 at->complete();
130 }
131
132 hasSCtypes_ = false;
133 for (at = atomTypeCont_.beginType(i); at != NULL;
134 at = atomTypeCont_.nextType(i)) {
135 if (at->isSC())
136 hasSCtypes_ = true;
137 }
138
139 hasEAMtypes_ = false;
140 for (at = atomTypeCont_.beginType(i); at != NULL;
141 at = atomTypeCont_.nextType(i)) {
142 if (at->isEAM())
143 hasEAMtypes_ = true;
144 }
145
146 if (hasEAMtypes_ && hasSCtypes_) {
147 sprintf(painCave.errMsg,
148 "MnM_FF forcefield cannot use both EAM and Sutton-Chen at the same time\n");
149 painCave.severity = OOPSE_ERROR;
150 painCave.isFatal = 1;
151 simError();
152 }
153
154 /* to handle metal-nonmetal interactions, first we loop over
155 all atom types: */
156
157 for (at = atomTypeCont_.beginType(i); at != NULL;
158 at = atomTypeCont_.nextType(i)) {
159
160 /* if we find a metallic atom, we need to compare against
161 all other atom types */
162
163 if (at->isEAM() || at->isSC()) {
164
165 /* loop over all other atom types */
166 for (at2 = atomTypeCont_.beginType(j); at2 != NULL;
167 at2 = atomTypeCont_.nextType(j)) {
168
169 /* if the other partner is not a metallic type, we need to
170 look for explicit non-bonded interactions */
171 if (!at2->isEAM() && !at2->isSC()) {
172
173 /* get the name and ident of the metallic atom type */
174 std::string at1s = at->getName();
175 int atid1 = at->getIdent();
176
177 /* get the name and ident of the nonmetallic atom type */
178 std::string at2s = at2->getName();
179 int atid2 = at2->getIdent();
180
181 /* look for a match in the non-bonded interactions parsed
182 from the force field file */
183 nbit = getNonBondedInteractionType(at1s, at2s);
184
185 /* if we found a match (even a partial match), punt to the
186 interaction to poke our info down to fortran. */
187 if (nbit != NULL) nbit->tellFortran(atid1, atid2);
188 }
189 }
190 }
191 }
192
193 delete ffStream;
194
195 }
196
197
198 RealType MnM_FF::getRcutFromAtomType(AtomType* at) {
199 RealType rcut = 0.0;
200 if (at->isEAM()) {
201 GenericData* data = at->getPropertyByName("EAM");
202 if (data != NULL) {
203 EAMParamGenericData* eamData = dynamic_cast<EAMParamGenericData*>(data);
204
205 if (eamData != NULL) {
206
207 EAMParam& eamParam = eamData->getData();
208 rcut = eamParam.rcut;
209 }
210 else {
211 sprintf(painCave.errMsg,
212 "Can not cast GenericData to EAMParam\n");
213 painCave.severity = OOPSE_ERROR;
214 painCave.isFatal = 1;
215 simError();
216 }
217 }
218 else {
219 sprintf(painCave.errMsg, "Can not find EAM Parameters\n");
220 painCave.severity = OOPSE_ERROR;
221 painCave.isFatal = 1;
222 simError();
223 }
224 }
225 else {
226 rcut = ForceField::getRcutFromAtomType(at);
227 }
228
229 return rcut;
230 }
231
232
233
234
235
236
237 MnM_FF::~MnM_FF() {
238 destroyLJTypes();
239 destroyStickyTypes();
240 if (hasEAMtypes_) destroyEAMTypes();
241 if (hasSCtypes_) destroySCTypes();
242 }
243 } //end namespace oopse
244