ViewVC Help
View File | Revision Log | Show Annotations | View Changeset | Root Listing
root/OpenMD/branches/development/src/UseTheForce/EAM_FF.cpp
Revision: 1280
Committed: Wed Jul 16 02:07:09 2008 UTC (16 years, 9 months ago) by gezelter
Original Path: trunk/src/UseTheForce/EAM_FF.cpp
File size: 6108 byte(s)
Log Message:
All your base are belong to us!

File Contents

# User Rev Content
1 gezelter 507 /*
2 gezelter 366 * 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. 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     #include "UseTheForce/EAM_FF.hpp"
43 chuckv 472 #include "UseTheForce/DarkSide/eam_interface.h"
44 gezelter 366 #include "UseTheForce/DarkSide/lj_interface.h"
45     #include "UseTheForce/DarkSide/sticky_interface.h"
46     #include "UseTheForce/ForceFieldFactory.hpp"
47     #include "io/DirectionalAtomTypesSectionParser.hpp"
48 gezelter 1280 #include "io/BaseAtomTypesSectionParser.hpp"
49 gezelter 366 #include "io/AtomTypesSectionParser.hpp"
50     #include "io/LennardJonesAtomTypesSectionParser.hpp"
51 tim 414 #include "io/ChargeAtomTypesSectionParser.hpp"
52     #include "io/MultipoleAtomTypesSectionParser.hpp"
53 gezelter 366 #include "io/EAMAtomTypesSectionParser.hpp"
54     #include "io/StickyAtomTypesSectionParser.hpp"
55     #include "io/BondTypesSectionParser.hpp"
56     #include "io/BendTypesSectionParser.hpp"
57     #include "io/TorsionTypesSectionParser.hpp"
58 chuckv 801 #include "io/OptionSectionParser.hpp"
59 gezelter 366 #include "UseTheForce/ForceFieldCreator.hpp"
60     #include "utils/simError.h"
61     namespace oopse {
62    
63 gezelter 507 EAM_FF::EAM_FF(){
64 gezelter 366
65     //set default force field filename
66     setForceFieldFileName("EAM.frc");
67    
68     //the order of adding section parsers are important
69 chuckv 802 //OptionSectionParser must come first to set options for other parsers
70 gezelter 366 //DirectionalAtomTypesSectionParser should be added before AtomTypesSectionParser Since
71     //These two section parsers will actually create "real" AtomTypes (AtomTypesSectionParser will create
72     //AtomType and DirectionalAtomTypesSectionParser will creat DirectionalAtomType which is a subclass
73     //of AtomType, therefore it should come first). Other AtomTypes Section Parser will not create the
74     //"real" AtomType, they only add and set some attribute of the AtomType. Thus their order are not
75     //important. AtomTypesSectionParser should be added before other atom type section parsers.
76     //Make sure they are added after DirectionalAtomTypesSectionParser and AtomTypesSectionParser.
77     //The order of BondTypesSectionParser, BendTypesSectionParser and TorsionTypesSectionParser are
78     //not important.
79 chuckv 801 spMan_.push_back(new OptionSectionParser(forceFieldOptions_));
80 gezelter 1280 spMan_.push_back(new BaseAtomTypesSectionParser());
81 gezelter 366 spMan_.push_back(new AtomTypesSectionParser());
82 chuckv 802 spMan_.push_back(new EAMAtomTypesSectionParser(forceFieldOptions_));
83 chuckv 801
84 gezelter 366
85 gezelter 507 }
86 gezelter 366
87 gezelter 507 void EAM_FF::parse(const std::string& filename) {
88 gezelter 366 ifstrstream* ffStream;
89     ffStream = openForceFieldFile(filename);
90    
91     spMan_.parse(*ffStream, *this);
92    
93     ForceField::AtomTypeContainer::MapTypeIterator i;
94     AtomType* at;
95    
96     for (at = atomTypeCont_.beginType(i); at != NULL; at = atomTypeCont_.nextType(i)) {
97 gezelter 1280 // useBase sets the responsibilities, and these have to be done
98     // after the atomTypes and Base types have all been scanned:
99    
100     std::vector<AtomType*> ayb = at->allYourBase();
101     if (ayb.size() > 1) {
102     for (int j = ayb.size()-1; j > 0; j--) {
103    
104     ayb[j-1]->useBase(ayb[j]);
105    
106     }
107     }
108 gezelter 507 at->makeFortranAtomType();
109 gezelter 366 }
110    
111     for (at = atomTypeCont_.beginType(i); at != NULL; at = atomTypeCont_.nextType(i)) {
112 gezelter 507 at->complete();
113 gezelter 366 }
114 tim 425
115     delete ffStream;
116 gezelter 507 }
117 gezelter 366
118    
119 tim 963 RealType EAM_FF::getRcutFromAtomType(AtomType* at){
120     RealType rcut = 0.0;
121 gezelter 366 if (at->isEAM()) {
122 gezelter 507 GenericData* data = at->getPropertyByName("EAM");
123     if (data != NULL) {
124     EAMParamGenericData* eamData = dynamic_cast<EAMParamGenericData*>(data);
125 gezelter 366
126 gezelter 507 if (eamData != NULL) {
127 gezelter 366
128 gezelter 507 EAMParam& eamParam = eamData->getData();
129     rcut = eamParam.rcut;
130     } else {
131     sprintf( painCave.errMsg,
132     "Can not cast GenericData to EAMParam\n");
133     painCave.severity = OOPSE_ERROR;
134     painCave.isFatal = 1;
135     simError();
136     }
137     } else {
138     sprintf( painCave.errMsg, "Can not find EAM Parameters\n");
139     painCave.severity = OOPSE_ERROR;
140     painCave.isFatal = 1;
141     simError();
142     }
143 gezelter 366 } else {
144 gezelter 507 rcut = ForceField::getRcutFromAtomType(at);
145 gezelter 366 }
146    
147     return rcut;
148 gezelter 507 }
149 gezelter 366
150 chuckv 472 EAM_FF::~EAM_FF(){
151     // We need to clean up the fortran side so we don't have bad things happen if
152     // we try to create a second EAM force field.
153     destroyEAMTypes();
154     }
155 gezelter 366 } //end namespace oopse