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root/OpenMD/branches/heatflux/src/UseTheForce/EADM_FF.cpp
Revision: 1670
Committed: Fri Jan 27 19:07:19 2012 UTC (13 years, 11 months ago) by chuckv
File size: 7206 byte(s)
Log Message:
Adding experimental branch for calculation of the heatflux based on old version of OpenMD.
This will need to be ported to the development branch later.

File Contents

# Content
1 /*
2 * Copyright (c) 2005 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] Vardeman & Gezelter, in progress (2009).
40 */
41
42 #include "UseTheForce/EADM_FF.hpp"
43 #include "UseTheForce/DarkSide/eam_interface.h"
44 #include "UseTheForce/ForceFieldFactory.hpp"
45
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/MetalNonMetalInteractionsSectionParser.hpp"
53 #include "io/EAMAtomTypesSectionParser.hpp"
54 #include "io/OptionSectionParser.hpp"
55
56 #include "UseTheForce/ForceFieldCreator.hpp"
57 #include "utils/simError.h"
58 namespace OpenMD {
59
60 EADM_FF::EADM_FF(){
61
62 //set default force field filename
63 setForceFieldFileName("EADM.frc");
64
65 //the order of adding section parsers are important
66 //OptionSectionParser must come first to set options for other parsers
67
68 spMan_.push_back(new OptionSectionParser(forceFieldOptions_));
69 spMan_.push_back(new BaseAtomTypesSectionParser());
70 spMan_.push_back(new AtomTypesSectionParser());
71 spMan_.push_back(new DirectionalAtomTypesSectionParser(forceFieldOptions_));
72 spMan_.push_back(new ChargeAtomTypesSectionParser(forceFieldOptions_));
73 spMan_.push_back(new MultipoleAtomTypesSectionParser(forceFieldOptions_));
74 spMan_.push_back(new MetalNonMetalInteractionsSectionParser(forceFieldOptions_));
75 spMan_.push_back(new EAMAtomTypesSectionParser(forceFieldOptions_));
76
77 }
78
79 void EADM_FF::parse(const std::string& filename) {
80 ifstrstream* ffStream;
81 ffStream = openForceFieldFile(filename);
82
83 spMan_.parse(*ffStream, *this);
84
85 ForceField::AtomTypeContainer::MapTypeIterator i;
86 AtomType* at;
87 ForceField::AtomTypeContainer::MapTypeIterator j;
88 AtomType* at2;
89 ForceField::NonBondedInteractionTypeContainer::MapTypeIterator k;
90 NonBondedInteractionType* nbit;
91
92 for (at = atomTypeCont_.beginType(i); at != NULL; at = atomTypeCont_.nextType(i)) {
93 // useBase sets the responsibilities, and these have to be done
94 // after the atomTypes and Base types have all been scanned:
95
96 std::vector<AtomType*> ayb = at->allYourBase();
97 if (ayb.size() > 1) {
98 for (int j = ayb.size()-1; j > 0; j--) {
99
100 ayb[j-1]->useBase(ayb[j]);
101
102 }
103 }
104 at->makeFortranAtomType();
105 }
106
107 for( at = atomTypeCont_.beginType(i); at != NULL; at = atomTypeCont_.nextType(i)) {
108 at->complete();
109 }
110
111 hasEAMtypes_ = false;
112 for (at = atomTypeCont_.beginType(i); at != NULL;
113 at = atomTypeCont_.nextType(i)) {
114 if (at->isEAM())
115 hasEAMtypes_ = true;
116 }
117
118 /* to handle metal-nonmetal interactions, first we loop over
119 all atom types: */
120
121 for (at = atomTypeCont_.beginType(i); at != NULL;
122 at = atomTypeCont_.nextType(i)) {
123
124 /* if we find a metallic atom, we need to compare against
125 all other atom types */
126
127 if (at->isEAM()) {
128
129 /* loop over all other atom types */
130 for (at2 = atomTypeCont_.beginType(j); at2 != NULL;
131 at2 = atomTypeCont_.nextType(j)) {
132
133 /* if the other partner is not a metallic type, we need to
134 look for explicit non-bonded interactions */
135 if (!at2->isEAM()) {
136
137 /* get the name and ident of the metallic atom type */
138 std::string at1s = at->getName();
139 int atid1 = at->getIdent();
140
141 /* get the name and ident of the nonmetallic atom type */
142 std::string at2s = at2->getName();
143 int atid2 = at2->getIdent();
144
145
146 /* look for a match in the non-bonded interactions parsed
147 from the force field file */
148 nbit = getNonBondedInteractionType(at1s, at2s);
149
150 /* if we found a match (even a partial match), punt to the
151 interaction to poke our info down to fortran. */
152 if (nbit != NULL){
153 nbit->tellFortran(atid1, atid2);
154 }
155 }
156 }
157 }
158 }
159
160 delete ffStream;
161 }
162
163
164 RealType EADM_FF::getRcutFromAtomType(AtomType* at){
165 RealType rcut = 0.0;
166 if (at->isEAM()) {
167 GenericData* data = at->getPropertyByName("EAM");
168 if (data != NULL) {
169 EAMParamGenericData* eamData = dynamic_cast<EAMParamGenericData*>(data);
170
171 if (eamData != NULL) {
172
173 EAMParam& eamParam = eamData->getData();
174 rcut = eamParam.rcut;
175 } else {
176 sprintf( painCave.errMsg,
177 "Can not cast GenericData to EAMParam\n");
178 painCave.severity = OPENMD_ERROR;
179 painCave.isFatal = 1;
180 simError();
181 }
182 } else {
183 sprintf( painCave.errMsg, "Can not find EAM Parameters\n");
184 painCave.severity = OPENMD_ERROR;
185 painCave.isFatal = 1;
186 simError();
187 }
188 } else {
189 rcut = ForceField::getRcutFromAtomType(at);
190 }
191
192 return rcut;
193 }
194
195 EADM_FF::~EADM_FF(){
196 //We need to clean up the fortran side so we don't have bad things happen if
197 //we try to create a second EADM force field.
198 destroyEAMTypes();
199 }
200 } //end namespace OpenMD