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root/group/trunk/OOPSE-4/src/UseTheForce/MnM_FF.cpp
Revision: 3407
Committed: Thu Jun 5 15:53:59 2008 UTC (16 years, 10 months ago) by chuckv
File size: 9229 byte(s)
Log Message:
Fixed typo in LJinteraction types. LJ-metal appears to work now.

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