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root/OpenMD/trunk/src/UseTheForce/EAM_FF.cpp
Revision: 1442
Committed: Mon May 10 17:28:26 2010 UTC (14 years, 11 months ago) by gezelter
File size: 4947 byte(s)
Log Message:
Adding property set to svn entries

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/EAM_FF.hpp"
43 #include "UseTheForce/DarkSide/eam_interface.h"
44 #include "UseTheForce/DarkSide/lj_interface.h"
45 #include "UseTheForce/DarkSide/sticky_interface.h"
46 #include "UseTheForce/ForceFieldFactory.hpp"
47 #include "io/BaseAtomTypesSectionParser.hpp"
48 #include "io/AtomTypesSectionParser.hpp"
49 #include "io/EAMAtomTypesSectionParser.hpp"
50 #include "io/OptionSectionParser.hpp"
51 #include "UseTheForce/ForceFieldCreator.hpp"
52 #include "utils/simError.h"
53 namespace OpenMD {
54
55 EAM_FF::EAM_FF(){
56
57 //set default force field filename
58 setForceFieldFileName("EAM.frc");
59
60 //the order of adding section parsers are important
61 //OptionSectionParser must come first to set options for other parsers
62 spMan_.push_back(new OptionSectionParser(forceFieldOptions_));
63 spMan_.push_back(new BaseAtomTypesSectionParser());
64 spMan_.push_back(new AtomTypesSectionParser());
65 spMan_.push_back(new EAMAtomTypesSectionParser(forceFieldOptions_));
66 }
67
68 void EAM_FF::parse(const std::string& filename) {
69 ifstrstream* ffStream;
70 ffStream = openForceFieldFile(filename);
71
72 spMan_.parse(*ffStream, *this);
73
74 ForceField::AtomTypeContainer::MapTypeIterator i;
75 AtomType* at;
76
77 for (at = atomTypeCont_.beginType(i); at != NULL; at = atomTypeCont_.nextType(i)) {
78 // useBase sets the responsibilities, and these have to be done
79 // after the atomTypes and Base types have all been scanned:
80
81 std::vector<AtomType*> ayb = at->allYourBase();
82 if (ayb.size() > 1) {
83 for (int j = ayb.size()-1; j > 0; j--) {
84
85 ayb[j-1]->useBase(ayb[j]);
86
87 }
88 }
89 at->makeFortranAtomType();
90 }
91
92 for (at = atomTypeCont_.beginType(i); at != NULL; at = atomTypeCont_.nextType(i)) {
93 at->complete();
94 }
95
96 delete ffStream;
97 }
98
99
100 RealType EAM_FF::getRcutFromAtomType(AtomType* at){
101 RealType rcut = 0.0;
102 if (at->isEAM()) {
103 GenericData* data = at->getPropertyByName("EAM");
104 if (data != NULL) {
105 EAMParamGenericData* eamData = dynamic_cast<EAMParamGenericData*>(data);
106
107 if (eamData != NULL) {
108
109 EAMParam& eamParam = eamData->getData();
110 rcut = eamParam.rcut;
111 } else {
112 sprintf( painCave.errMsg,
113 "Can not cast GenericData to EAMParam\n");
114 painCave.severity = OPENMD_ERROR;
115 painCave.isFatal = 1;
116 simError();
117 }
118 } else {
119 sprintf( painCave.errMsg, "Can not find EAM Parameters\n");
120 painCave.severity = OPENMD_ERROR;
121 painCave.isFatal = 1;
122 simError();
123 }
124 } else {
125 rcut = ForceField::getRcutFromAtomType(at);
126 }
127
128 return rcut;
129 }
130
131 EAM_FF::~EAM_FF(){
132 // We need to clean up the fortran side so we don't have bad things happen if
133 // we try to create a second EAM force field.
134 destroyEAMTypes();
135 }
136 } //end namespace OpenMD

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