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25 //
26 /// \file biasing/B01/src/B01DetectorConstruction.cc
27 /// \brief Implementation of the B01DetectorConstruction class
28 //
29 //
30 //
31
32 #include "B01DetectorConstruction.hh"
33
34 #include "G4Box.hh"
35 #include "G4Colour.hh"
36 #include "G4LogicalVolume.hh"
37 #include "G4Material.hh"
38 #include "G4PVPlacement.hh"
39 #include "G4PhysicalConstants.hh"
40 #include "G4SystemOfUnits.hh"
41 #include "G4ThreeVector.hh"
42 #include "G4Tubs.hh"
43 #include "G4Types.hh"
44 #include "G4VisAttributes.hh"
45 #include "globals.hh"
46
47 #include <set>
48 #include <sstream>
49
50 // For Primitive Scorers
51 #include "G4MultiFunctionalDetector.hh"
52 #include "G4PSNofCollision.hh"
53 #include "G4PSPopulation.hh"
54 #include "G4PSTrackCounter.hh"
55 #include "G4PSTrackLength.hh"
56 #include "G4SDManager.hh"
57 #include "G4SDParticleFilter.hh"
58
59 // for importance biasing
60 #include "G4IStore.hh"
61
62 // for weight window technique
63 #include "G4WeightWindowStore.hh"
64
65 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
66
67 B01DetectorConstruction::B01DetectorConstruction()
68 : G4VUserDetectorConstruction(), fLogicalVolumeVector(), fPhysicalVolumeVector()
69 {
70 ;
71 }
72
73 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
74
75 B01DetectorConstruction::~B01DetectorConstruction()
76 {
77 fLogicalVolumeVector.clear();
78 fPhysicalVolumeVector.clear();
79 }
80
81 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
82
83 G4VPhysicalVolume* B01DetectorConstruction::Construct()
84 {
85 G4double pos_x;
86 G4double pos_y;
87 G4double pos_z;
88
89 G4double density, pressure, temperature;
90 G4double A;
91 G4int Z;
92
93 G4String name, symbol;
94 G4double z;
95 G4double fractionmass;
96
97 A = 1.01 * g / mole;
98 G4Element* elH = new G4Element(name = "Hydrogen", symbol = "H", Z = 1, A);
99
100 A = 12.01 * g / mole;
101 G4Element* elC = new G4Element(name = "Carbon", symbol = "C", Z = 6, A);
102
103 A = 16.00 * g / mole;
104 G4Element* elO = new G4Element(name = "Oxygen", symbol = "O", Z = 8, A);
105
106 A = 22.99 * g / mole;
107 G4Element* elNa = new G4Element(name = "Natrium", symbol = "Na", Z = 11, A);
108
109 A = 200.59 * g / mole;
110 G4Element* elHg = new G4Element(name = "Hg", symbol = "Hg", Z = 80, A);
111
112 A = 26.98 * g / mole;
113 G4Element* elAl = new G4Element(name = "Aluminium", symbol = "Al", Z = 13, A);
114
115 A = 28.09 * g / mole;
116 G4Element* elSi = new G4Element(name = "Silicon", symbol = "Si", Z = 14, A);
117
118 A = 39.1 * g / mole;
119 G4Element* elK = new G4Element(name = "K", symbol = "K", Z = 19, A);
120
121 A = 69.72 * g / mole;
122 G4Element* elCa = new G4Element(name = "Calzium", symbol = "Ca", Z = 31, A);
123
124 A = 55.85 * g / mole;
125 G4Element* elFe = new G4Element(name = "Iron", symbol = "Fe", Z = 26, A);
126
127 density = universe_mean_density; // from PhysicalConstants.h
128 pressure = 3.e-18 * pascal;
129 temperature = 2.73 * kelvin;
130 G4Material* Galactic = new G4Material(name = "Galactic", z = 1., A = 1.01 * g / mole, density,
131 kStateGas, temperature, pressure);
132
133 density = 2.03 * g / cm3;
134 G4Material* Concrete = new G4Material("Concrete", density, 10);
135 Concrete->AddElement(elH, fractionmass = 0.01);
136 Concrete->AddElement(elO, fractionmass = 0.529);
137 Concrete->AddElement(elNa, fractionmass = 0.016);
138 Concrete->AddElement(elHg, fractionmass = 0.002);
139 Concrete->AddElement(elAl, fractionmass = 0.034);
140 Concrete->AddElement(elSi, fractionmass = 0.337);
141 Concrete->AddElement(elK, fractionmass = 0.013);
142 Concrete->AddElement(elCa, fractionmass = 0.044);
143 Concrete->AddElement(elFe, fractionmass = 0.014);
144 Concrete->AddElement(elC, fractionmass = 0.001);
145
146 /////////////////////////////
147 // world cylinder volume
148 ////////////////////////////
149
150 // world solid
151
152 G4double innerRadiusCylinder = 0 * cm;
153 G4double outerRadiusCylinder = 100 * cm;
154 G4double heightCylinder = 100 * cm;
155 G4double startAngleCylinder = 0 * deg;
156 G4double spanningAngleCylinder = 360 * deg;
157
158 G4Tubs* worldCylinder = new G4Tubs("worldCylinder", innerRadiusCylinder, outerRadiusCylinder,
159 heightCylinder, startAngleCylinder, spanningAngleCylinder);
160
161 // logical world
162
163 G4LogicalVolume* worldCylinder_log =
164 new G4LogicalVolume(worldCylinder, Galactic, "worldCylinder_log");
165 fLogicalVolumeVector.push_back(worldCylinder_log);
166
167 name = "shieldWorld";
168 fWorldVolume = new G4PVPlacement(0, G4ThreeVector(0, 0, 0), worldCylinder_log, name, 0, false, 0);
169
170 fPhysicalVolumeVector.push_back(fWorldVolume);
171
172 // creating 18 slabs of 10 cm thick concrete
173
174 G4double innerRadiusShield = 0 * cm;
175 G4double outerRadiusShield = 100 * cm;
176 G4double heightShield = 5 * cm;
177 G4double startAngleShield = 0 * deg;
178 G4double spanningAngleShield = 360 * deg;
179
180 G4Tubs* aShield = new G4Tubs("aShield", innerRadiusShield, outerRadiusShield, heightShield,
181 startAngleShield, spanningAngleShield);
182
183 // logical shield
184
185 G4LogicalVolume* aShield_log = new G4LogicalVolume(aShield, Concrete, "aShield_log");
186 fLogicalVolumeVector.push_back(aShield_log);
187
188 G4VisAttributes* pShieldVis = new G4VisAttributes(G4Colour(0.0, 0.0, 1.0));
189 pShieldVis->SetForceSolid(true);
190 aShield_log->SetVisAttributes(pShieldVis);
191
192 // physical shields
193
194 G4int i;
195 G4double startz = -85 * cm;
196 for (i = 1; i <= 18; i++) {
197 name = GetCellName(i);
198 pos_x = 0 * cm;
199 pos_y = 0 * cm;
200 pos_z = startz + (i - 1) * (2 * heightShield);
201 G4VPhysicalVolume* pvol = new G4PVPlacement(0, G4ThreeVector(pos_x, pos_y, pos_z), aShield_log,
202 name, worldCylinder_log, false, i);
203 fPhysicalVolumeVector.push_back(pvol);
204 }
205
206 // filling the rest of the world volume behind the concrete with
207 // another slab which should get the same importance value
208 // or lower weight bound as the last slab
209 //
210 innerRadiusShield = 0 * cm;
211 outerRadiusShield = 100 * cm;
212 heightShield = 5 * cm;
213 startAngleShield = 0 * deg;
214 spanningAngleShield = 360 * deg;
215
216 G4Tubs* aRest = new G4Tubs("Rest", innerRadiusShield, outerRadiusShield, heightShield,
217 startAngleShield, spanningAngleShield);
218
219 G4LogicalVolume* aRest_log = new G4LogicalVolume(aRest, Galactic, "aRest_log");
220 fLogicalVolumeVector.push_back(aRest_log);
221 name = "rest";
222
223 pos_x = 0 * cm;
224 pos_y = 0 * cm;
225 pos_z = 95 * cm;
226 G4VPhysicalVolume* pvol_rest = new G4PVPlacement(0, G4ThreeVector(pos_x, pos_y, pos_z), aRest_log,
227 name, worldCylinder_log, false,
228 19); // i=19
229
230 fPhysicalVolumeVector.push_back(pvol_rest);
231
232 SetSensitive();
233 return fWorldVolume;
234 }
235
236 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
237
238 G4VIStore* B01DetectorConstruction::CreateImportanceStore()
239 {
240 G4cout << " B01DetectorConstruction:: Creating Importance Store " << G4endl;
241 if (!fPhysicalVolumeVector.size()) {
242 G4Exception("B01DetectorConstruction::CreateImportanceStore", "exampleB01_0001",
243 RunMustBeAborted, "no physical volumes created yet!");
244 }
245
246 fWorldVolume = fPhysicalVolumeVector[0];
247
248 // creating and filling the importance store
249
250 G4IStore* istore = G4IStore::GetInstance();
251
252 G4int n = 0;
253 G4double imp = 1;
254 istore->AddImportanceGeometryCell(1, *fWorldVolume);
255 for (std::vector<G4VPhysicalVolume*>::iterator it = fPhysicalVolumeVector.begin();
256 it != fPhysicalVolumeVector.end() - 1; it++)
257 {
258 if (*it != fWorldVolume) {
259 imp = std::pow(2., n++);
260 G4cout << "Going to assign importance: " << imp << ", to volume: " << (*it)->GetName()
261 << G4endl;
262 istore->AddImportanceGeometryCell(imp, *(*it), n);
263 }
264 }
265
266 // the remaining part pf the geometry (rest) gets the same
267 // importance as the last conrete cell
268 //
269 istore->AddImportanceGeometryCell(imp, *(fPhysicalVolumeVector[fPhysicalVolumeVector.size() - 1]),
270 ++n);
271
272 return istore;
273 }
274
275 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
276
277 G4VWeightWindowStore* B01DetectorConstruction::CreateWeightWindowStore()
278 {
279 if (!fPhysicalVolumeVector.size()) {
280 G4Exception("B01DetectorConstruction::CreateWeightWindowStore", "exampleB01_0002",
281 RunMustBeAborted, "no physical volumes created yet!");
282 }
283
284 fWorldVolume = fPhysicalVolumeVector[0];
285
286 // creating and filling the weight window store
287
288 G4WeightWindowStore* wwstore = G4WeightWindowStore::GetInstance();
289
290 // create one energy region covering the energies of the problem
291 //
292 std::set<G4double, std::less<G4double>> enBounds;
293 enBounds.insert(1 * GeV);
294 wwstore->SetGeneralUpperEnergyBounds(enBounds);
295
296 G4int n = 0;
297 G4double lowerWeight = 1;
298 std::vector<G4double> lowerWeights;
299
300 lowerWeights.push_back(1);
301 G4GeometryCell gWorldCell(*fWorldVolume, 0);
302 wwstore->AddLowerWeights(gWorldCell, lowerWeights);
303
304 for (std::vector<G4VPhysicalVolume*>::iterator it = fPhysicalVolumeVector.begin();
305 it != fPhysicalVolumeVector.end() - 1; it++)
306 {
307 if (*it != fWorldVolume) {
308 lowerWeight = 1. / std::pow(2., n++);
309 G4cout << "Going to assign lower weight: " << lowerWeight
310 << ", to volume: " << (*it)->GetName() << G4endl;
311 G4GeometryCell gCell(*(*it), n);
312 lowerWeights.clear();
313 lowerWeights.push_back(lowerWeight);
314 wwstore->AddLowerWeights(gCell, lowerWeights);
315 }
316 }
317
318 // the remaining part pf the geometry (rest) gets the same
319 // lower weight bound as the last conrete cell
320 //
321 G4GeometryCell gRestCell(*(fPhysicalVolumeVector[fPhysicalVolumeVector.size() - 1]), ++n);
322 wwstore->AddLowerWeights(gRestCell, lowerWeights);
323
324 return wwstore;
325 }
326
327 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
328
329 G4String B01DetectorConstruction::GetCellName(G4int i)
330 {
331 std::ostringstream os;
332 os << "cell_";
333 if (i < 10) {
334 os << "0";
335 }
336 os << i;
337 G4String name = os.str();
338 return name;
339 }
340
341 G4VPhysicalVolume* B01DetectorConstruction::GetWorldVolume()
342 {
343 return fWorldVolume;
344 }
345
346 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
347
348 void B01DetectorConstruction::SetSensitive()
349 {
350 // -------------------------------------------------
351 // The collection names of defined Primitives are
352 // 0 ConcreteSD/Collisions
353 // 1 ConcreteSD/CollWeight
354 // 2 ConcreteSD/Population
355 // 3 ConcreteSD/TrackEnter
356 // 4 ConcreteSD/SL
357 // 5 ConcreteSD/SLW
358 // 6 ConcreteSD/SLWE
359 // 7 ConcreteSD/SLW_V
360 // 8 ConcreteSD/SLWE_V
361 // -------------------------------------------------
362
363 // moved to ConstructSDandField() for MT compliance
364 }
365
366 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
367
368 void B01DetectorConstruction::ConstructSDandField()
369 {
370 // Sensitive Detector Manager.
371 G4SDManager* SDman = G4SDManager::GetSDMpointer();
372 // Sensitive Detector Name
373 G4String concreteSDname = "ConcreteSD";
374
375 //------------------------
376 // MultiFunctionalDetector
377 //------------------------
378 //
379 // Define MultiFunctionalDetector with name.
380 G4MultiFunctionalDetector* MFDet = new G4MultiFunctionalDetector(concreteSDname);
381 SDman->AddNewDetector(MFDet); // Register SD to SDManager
382
383 G4String fltName, particleName;
384 G4SDParticleFilter* neutronFilter =
385 new G4SDParticleFilter(fltName = "neutronFilter", particleName = "neutron");
386
387 MFDet->SetFilter(neutronFilter);
388
389 for (std::vector<G4LogicalVolume*>::iterator it = fLogicalVolumeVector.begin();
390 it != fLogicalVolumeVector.end(); it++)
391 {
392 // (*it)->SetSensitiveDetector(MFDet);
393 SetSensitiveDetector((*it)->GetName(), MFDet);
394 }
395
396 G4String psName;
397 G4PSNofCollision* scorer0 = new G4PSNofCollision(psName = "Collisions");
398 MFDet->RegisterPrimitive(scorer0);
399
400 G4PSNofCollision* scorer1 = new G4PSNofCollision(psName = "CollWeight");
401 scorer1->Weighted(true);
402 MFDet->RegisterPrimitive(scorer1);
403
404 G4PSPopulation* scorer2 = new G4PSPopulation(psName = "Population");
405 MFDet->RegisterPrimitive(scorer2);
406
407 G4PSTrackCounter* scorer3 = new G4PSTrackCounter(psName = "TrackEnter", fCurrent_In);
408 MFDet->RegisterPrimitive(scorer3);
409
410 G4PSTrackLength* scorer4 = new G4PSTrackLength(psName = "SL");
411 MFDet->RegisterPrimitive(scorer4);
412
413 G4PSTrackLength* scorer5 = new G4PSTrackLength(psName = "SLW");
414 scorer5->Weighted(true);
415 MFDet->RegisterPrimitive(scorer5);
416
417 G4PSTrackLength* scorer6 = new G4PSTrackLength(psName = "SLWE");
418 scorer6->Weighted(true);
419 scorer6->MultiplyKineticEnergy(true);
420 MFDet->RegisterPrimitive(scorer6);
421
422 G4PSTrackLength* scorer7 = new G4PSTrackLength(psName = "SLW_V");
423 scorer7->Weighted(true);
424 scorer7->DivideByVelocity(true);
425 MFDet->RegisterPrimitive(scorer7);
426
427 G4PSTrackLength* scorer8 = new G4PSTrackLength(psName = "SLWE_V");
428 scorer8->Weighted(true);
429 scorer8->MultiplyKineticEnergy(true);
430 scorer8->DivideByVelocity(true);
431 MFDet->RegisterPrimitive(scorer8);
432 }
433
434 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
435