| Geant4 Cross Reference |
1 //
2 // ********************************************************************
3 // * License and Disclaimer *
4 // * *
5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. *
10 // * *
11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitation of liability. *
17 // * *
18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Software license. *
24 // ********************************************************************
25 //
26 /*
27 * File: G4WendtFissionFragmentGenerator.hh
28 * Author: B. Wendt (wendbryc@isu.edu)
29 *
30 * Created on June 21, 2013, 13:58 MST
31 */
32
33 #include "G4WendtFissionFragmentGenerator.hh"
34
35 #include "G4FFGDebuggingMacros.hh"
36 #include "G4ParticleHPManager.hh"
37 #include "G4PhysicsModelCatalog.hh"
38
39 G4ThreadLocal G4WendtFissionFragmentGenerator* G4WendtFissionFragmentGenerator::instance = nullptr;
40
41 G4WendtFissionFragmentGenerator::G4WendtFissionFragmentGenerator()
42 {
43 // Set the default verbosity
44 Verbosity_ = G4FFGDefaultValues::Verbosity;
45
46 // Set the creator model ID
47 secID = G4PhysicsModelCatalog::GetModelID("model_NeutronHPFission");
48 }
49 /*
50 G4WendtFissionFragmentGenerator* G4WendtFissionFragmentGenerator::
51 GetInstance()
52 {
53 //static G4WendtFissionFragmentGenerator newMe;
54 //
55 //return &newMe;
56
57 if ( instance == NULL) instance = new G4WendtFissionFragmentGenerator();
58
59 return instance;
60 }
61 */
62 G4HadFinalState* G4WendtFissionFragmentGenerator::ApplyYourself(const G4HadProjectile& projectile,
63 G4int Z, G4int A)
64 {
65 G4FFG_FUNCTIONENTER__
66
67 G4HadFinalState* finalState = nullptr;
68 G4DynamicParticleVector* finalParticles = nullptr;
69 G4int isotope;
70 std::map<const G4int, G4FissionFragmentGenerator*>::iterator fissionGenerator;
71
72 // Look for the first available isomer since no M is provided for ApplyYourself()
73 for (unsigned int M = 0; M < 10; ++M) {
74 isotope = G4FissionFragmentGenerator::G4MakeIsotopeCode(Z, A, M);
75 fissionGenerator = fissionIsotopes.find(isotope);
76
77 if (fissionGenerator != fissionIsotopes.end()) {
78 // Only generate particles if the generator was constructed
79 if (fissionGenerator->second != nullptr) {
80 finalParticles = fissionGenerator->second->G4GenerateFission(projectile);
81 }
82
83 break;
84 }
85 }
86
87 if (finalParticles != nullptr) {
88 finalState = new G4HadFinalState();
89
90 for (auto& finalParticle : *finalParticles) {
91 finalState->AddSecondary(finalParticle, secID);
92 }
93 }
94
95 // TK modified 131108 add next line
96 // TK 160112 fix for coverity #53481
97 if (finalState != nullptr) finalState->SetStatusChange(stopAndKill);
98 G4FFG_FUNCTIONLEAVE__
99 return finalState;
100 }
101
102 void G4WendtFissionFragmentGenerator::InitializeANucleus(const G4int A, const G4int Z,
103 const G4int M,
104 const G4String& dataDirectory)
105 {
106 // G4FFG_FUNCTIONENTER__
107
108 const G4int isotope = G4FissionFragmentGenerator::G4MakeIsotopeCode(Z, A, M);
109 G4FFGEnumerations::MetaState metaState;
110 std::pair<std::map<const G4int, G4FissionFragmentGenerator*>::iterator, bool> newIsotope;
111
112 // Check to see if the isotope/isomer alread exists in the table
113 newIsotope =
114 fissionIsotopes.insert(std::make_pair(isotope, (G4FissionFragmentGenerator*)nullptr));
115
116 if (newIsotope.second || newIsotope.first->second == NULL) {
117 // Get the data file
118 G4bool flag;
119 G4ParticleHPDataUsed dataFile = fileNames.GetName(A, Z, M, dataDirectory, "FF", flag);
120 G4String dataFileName = dataFile.GetName();
121
122 // Check if the file exists, and do not create a fission object if it doesn't
123 // G4cout << "*** Z = " << Z << "\tA = " << A << "\t\t\t Directory: "<< dataDirectory << " DATA
124 // FILE: " << dataFileName << G4endl;
125 std::istringstream dataStream(std::ios::in);
126 G4ParticleHPManager::GetInstance()->GetDataStream(dataFileName, dataStream);
127 if (!dataStream) {
128 // G4FFG_FUNCTIONLEAVE__
129 // G4cerr << "*** Stream error" << G4endl;
130 return;
131 }
132
133 // Check the data file parameters
134 if (!flag
135 || (Z < 2.5
136 && ((G4double)abs(dataFile.GetZ() - Z) > 0.001
137 || (G4double)abs((G4int)dataFile.GetA() - A) > 0.0001)))
138 {
139 // G4cerr << "*** Something wrong with the data request.\tFlag :" << flag << G4endl;
140 // G4FFG_FUNCTIONLEAVE__
141 return;
142 }
143
144 auto const fissionGenerator = new G4FissionFragmentGenerator();
145 newIsotope.first->second = fissionGenerator;
146
147 switch (M) {
148 case 1:
149 metaState = G4FFGEnumerations::META_1;
150 break;
151
152 case 2:
153 metaState = G4FFGEnumerations::META_2;
154 break;
155
156 default:
157 // TODO Display a warning message here indicating that an invalid metastate was passed in
158 // Fall through to the ground state by default
159 case 0:
160 metaState = G4FFGEnumerations::GROUND_STATE;
161 break;
162 }
163
164 fissionGenerator->G4SetIsotope(isotope);
165 fissionGenerator->G4SetMetaState(metaState);
166 fissionGenerator->G4SetCause(G4FFGEnumerations::NEUTRON_INDUCED);
167 // TODO Load all the fission data and use the projectile energy instead
168 fissionGenerator->G4SetIncidentEnergy(G4FFGDefaultValues::ThermalNeutronEnergy);
169 fissionGenerator->G4SetYieldType(G4FFGEnumerations::INDEPENDENT);
170 fissionGenerator->G4SetSamplingScheme(G4FFGEnumerations::NORMAL);
171
172 // TODO Remove the need for forcing a load in the initialization phase,
173 // i.e. remove the ability to dynamically change the fission parameters
174 // that cause reload because a G4FissionFragmentGenerator class for
175 // each isotope should be loaded in the initialization phase
176 if (!fissionGenerator->InitializeFissionProductYieldClass(dataStream)) {
177 // Delete if the initialization fails
178 delete fissionGenerator;
179
180 fissionIsotopes.erase(newIsotope.first);
181 }
182 }
183
184 // G4FFG_FUNCTIONLEAVE__
185 }
186
187 G4WendtFissionFragmentGenerator::~G4WendtFissionFragmentGenerator()
188 {
189 std::map<const G4int, G4FissionFragmentGenerator*>::iterator fissionGenerator;
190
191 for (fissionGenerator = fissionIsotopes.begin(); fissionGenerator != fissionIsotopes.end();
192 ++fissionGenerator)
193 {
194 delete fissionGenerator->second;
195 }
196 }
197