ViewVC Help
View File | Revision Log | Show Annotations | View Changeset | Root Listing
root/OpenMD/branches/development/src/UseTheForce/EAM_FF.cpp
Revision: 1703
Committed: Mon Apr 23 21:08:08 2012 UTC (13 years ago) by jmichalk
File size: 5170 byte(s)
Log Message:
JRM Added additional section parsers to EAM_FF.cpp

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] Kuang & Gezelter, J. Chem. Phys. 133, 164101 (2010).
40 * [5] Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011).
41 */
42
43 #include "UseTheForce/EAM_FF.hpp"
44 #include "UseTheForce/ForceFieldFactory.hpp"
45 #include "io/BaseAtomTypesSectionParser.hpp"
46 #include "io/AtomTypesSectionParser.hpp"
47 #include "io/LennardJonesAtomTypesSectionParser.hpp"
48 #include "io/BondTypesSectionParser.hpp"
49 #include "io/ChargeAtomTypesSectionParser.hpp"
50 #include "io/MultipoleAtomTypesSectionParser.hpp"
51 #include "io/NonBondedInteractionsSectionParser.hpp"
52 #include "io/EAMAtomTypesSectionParser.hpp"
53 #include "io/OptionSectionParser.hpp"
54 #include "UseTheForce/ForceFieldCreator.hpp"
55 #include "utils/simError.h"
56 namespace OpenMD {
57
58 EAM_FF::EAM_FF(){
59
60 //set default force field filename
61 setForceFieldFileName("EAM.frc");
62
63 //the order of adding section parsers are important
64 //OptionSectionParser must come first to set options for other parsers
65 spMan_.push_back(new OptionSectionParser(forceFieldOptions_));
66 spMan_.push_back(new BaseAtomTypesSectionParser());
67 spMan_.push_back(new AtomTypesSectionParser());
68 spMan_.push_back(new ChargeAtomTypesSectionParser(forceFieldOptions_));
69 spMan_.push_back(new LennardJonesAtomTypesSectionParser(forceFieldOptions_));
70 spMan_.push_back(new MultipoleAtomTypesSectionParser(forceFieldOptions_));
71 spMan_.push_back(new NonBondedInteractionsSectionParser(forceFieldOptions_));
72 spMan_.push_back(new BondTypesSectionParser(forceFieldOptions_));
73 spMan_.push_back(new EAMAtomTypesSectionParser(forceFieldOptions_));
74 }
75
76 void EAM_FF::parse(const std::string& filename) {
77 ifstrstream* ffStream;
78 ffStream = openForceFieldFile(filename);
79
80 spMan_.parse(*ffStream, *this);
81
82 ForceField::AtomTypeContainer::MapTypeIterator i;
83 AtomType* at;
84
85 for (at = atomTypeCont_.beginType(i); at != NULL; at = atomTypeCont_.nextType(i)) {
86 // useBase sets the responsibilities, and these have to be done
87 // after the atomTypes and Base types have all been scanned:
88
89 std::vector<AtomType*> ayb = at->allYourBase();
90 if (ayb.size() > 1) {
91 for (int j = ayb.size()-1; j > 0; j--) {
92
93 ayb[j-1]->useBase(ayb[j]);
94
95 }
96 }
97 }
98
99 delete ffStream;
100 }
101
102
103 RealType EAM_FF::getRcutFromAtomType(AtomType* at){
104 RealType rcut = 0.0;
105 if (at->isEAM()) {
106 GenericData* data = at->getPropertyByName("EAM");
107 if (data != NULL) {
108 EAMParamGenericData* eamData = dynamic_cast<EAMParamGenericData*>(data);
109
110 if (eamData != NULL) {
111
112 EAMParam& eamParam = eamData->getData();
113 rcut = eamParam.rcut;
114 } else {
115 sprintf( painCave.errMsg,
116 "Can not cast GenericData to EAMParam\n");
117 painCave.severity = OPENMD_ERROR;
118 painCave.isFatal = 1;
119 simError();
120 }
121 } else {
122 sprintf( painCave.errMsg, "Can not find EAM Parameters\n");
123 painCave.severity = OPENMD_ERROR;
124 painCave.isFatal = 1;
125 simError();
126 }
127 } else {
128 rcut = ForceField::getRcutFromAtomType(at);
129 }
130
131 return rcut;
132 }
133
134 } //end namespace OpenMD

Properties

Name Value
svn:keywords Author Id Revision Date