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root/OpenMD/branches/development/src/UseTheForce/MnM_FF.cpp
Revision: 1485
Committed: Wed Jul 28 19:52:00 2010 UTC (14 years, 9 months ago) by gezelter
File size: 9484 byte(s)
Log Message:
Converting Sticky over to C++

File Contents

# User Rev Content
1 chuckv 1152 /*
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 gezelter 1390 * 1. Redistributions of source code must retain the above copyright
10 chuckv 1152 * notice, this list of conditions and the following disclaimer.
11     *
12 gezelter 1390 * 2. Redistributions in binary form must reproduce the above copyright
13 chuckv 1152 * 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 gezelter 1390 *
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] Vardeman & Gezelter, in progress (2009).
40 chuckv 1152 */
41    
42    
43     #include "UseTheForce/MnM_FF.hpp"
44     #include "UseTheForce/DarkSide/suttonchen_interface.h"
45     #include "UseTheForce/ForceFieldFactory.hpp"
46     #include "io/DirectionalAtomTypesSectionParser.hpp"
47 gezelter 1280 #include "io/BaseAtomTypesSectionParser.hpp"
48 chuckv 1152 #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/MetalNonMetalInteractionsSectionParser.hpp"
59     #include "io/EAMAtomTypesSectionParser.hpp"
60     #include "io/SCAtomTypesSectionParser.hpp"
61     #include "io/OptionSectionParser.hpp"
62     #include "UseTheForce/ForceFieldCreator.hpp"
63    
64    
65 gezelter 1390 namespace OpenMD {
66 gezelter 1238
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 gezelter 1280 spMan_.push_back(new BaseAtomTypesSectionParser());
87 gezelter 1282 spMan_.push_back(new AtomTypesSectionParser());
88 gezelter 1238 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 MetalNonMetalInteractionsSectionParser(forceFieldOptions_));
98     spMan_.push_back(new SCAtomTypesSectionParser(forceFieldOptions_));
99     spMan_.push_back(new EAMAtomTypesSectionParser(forceFieldOptions_));
100     spMan_.push_back(new TorsionTypesSectionParser(forceFieldOptions_));
101    
102 chuckv 1162 }
103    
104 gezelter 1238 void MnM_FF::parse(const std::string& filename) {
105     ifstrstream* ffStream;
106    
107     ffStream = openForceFieldFile(filename);
108 chuckv 1152
109 gezelter 1238 spMan_.parse(*ffStream, *this);
110 chuckv 1162
111 gezelter 1238 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 gezelter 1280 // 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    
127     ayb[j-1]->useBase(ayb[j]);
128    
129     }
130     }
131 gezelter 1238 at->makeFortranAtomType();
132     }
133    
134     for (at = atomTypeCont_.beginType(i); at != NULL;
135     at = atomTypeCont_.nextType(i)) {
136     at->complete();
137     }
138    
139     hasSCtypes_ = false;
140     for (at = atomTypeCont_.beginType(i); at != NULL;
141     at = atomTypeCont_.nextType(i)) {
142     if (at->isSC())
143     hasSCtypes_ = true;
144     }
145    
146     hasEAMtypes_ = false;
147     for (at = atomTypeCont_.beginType(i); at != NULL;
148     at = atomTypeCont_.nextType(i)) {
149     if (at->isEAM())
150     hasEAMtypes_ = true;
151     }
152    
153     if (hasEAMtypes_ && hasSCtypes_) {
154     sprintf(painCave.errMsg,
155     "MnM_FF forcefield cannot use both EAM and Sutton-Chen at the same time\n");
156 gezelter 1390 painCave.severity = OPENMD_ERROR;
157 gezelter 1238 painCave.isFatal = 1;
158     simError();
159     }
160    
161     /* to handle metal-nonmetal interactions, first we loop over
162     all atom types: */
163    
164     for (at = atomTypeCont_.beginType(i); at != NULL;
165     at = atomTypeCont_.nextType(i)) {
166 chuckv 1162
167 gezelter 1238 /* if we find a metallic atom, we need to compare against
168     all other atom types */
169    
170     if (at->isEAM() || at->isSC()) {
171    
172     /* loop over all other atom types */
173     for (at2 = atomTypeCont_.beginType(j); at2 != NULL;
174     at2 = atomTypeCont_.nextType(j)) {
175    
176     /* if the other partner is not a metallic type, we need to
177     look for explicit non-bonded interactions */
178     if (!at2->isEAM() && !at2->isSC()) {
179 chuckv 1162
180 gezelter 1238 /* get the name and ident of the metallic atom type */
181     std::string at1s = at->getName();
182     int atid1 = at->getIdent();
183 chuckv 1162
184 gezelter 1238 /* get the name and ident of the nonmetallic atom type */
185     std::string at2s = at2->getName();
186     int atid2 = at2->getIdent();
187 chuckv 1162
188 gezelter 1238 /* look for a match in the non-bonded interactions parsed
189     from the force field file */
190     nbit = getNonBondedInteractionType(at1s, at2s);
191 chuckv 1252
192 gezelter 1238 /* if we found a match (even a partial match), punt to the
193     interaction to poke our info down to fortran. */
194     if (nbit != NULL) nbit->tellFortran(atid1, atid2);
195     }
196     }
197 chuckv 1162 }
198 chuckv 1152 }
199 gezelter 1238
200     delete ffStream;
201    
202 chuckv 1152 }
203 chuckv 1162
204    
205 gezelter 1238 RealType MnM_FF::getRcutFromAtomType(AtomType* at) {
206     RealType rcut = 0.0;
207     if (at->isEAM()) {
208     GenericData* data = at->getPropertyByName("EAM");
209     if (data != NULL) {
210     EAMParamGenericData* eamData = dynamic_cast<EAMParamGenericData*>(data);
211    
212     if (eamData != NULL) {
213    
214     EAMParam& eamParam = eamData->getData();
215     rcut = eamParam.rcut;
216     }
217     else {
218     sprintf(painCave.errMsg,
219     "Can not cast GenericData to EAMParam\n");
220 gezelter 1390 painCave.severity = OPENMD_ERROR;
221 gezelter 1238 painCave.isFatal = 1;
222     simError();
223     }
224     }
225     else {
226     sprintf(painCave.errMsg, "Can not find EAM Parameters\n");
227 gezelter 1390 painCave.severity = OPENMD_ERROR;
228 gezelter 1238 painCave.isFatal = 1;
229     simError();
230     }
231     }
232     else {
233     rcut = ForceField::getRcutFromAtomType(at);
234     }
235    
236     return rcut;
237     }
238    
239     MnM_FF::~MnM_FF() {
240     if (hasSCtypes_) destroySCTypes();
241     }
242 gezelter 1390 } //end namespace OpenMD
243 chuckv 1162

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