B01/src/B01DetectorConstruction.cc

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0025 //
0026 /// \file B01DetectorConstruction.cc
0027 /// \brief Implementation of the B01DetectorConstruction class
0028
0029 #include "B01DetectorConstruction.hh"
0030
0031 #include "G4Box.hh"
0032 #include "G4Colour.hh"
0033 #include "G4LogicalVolume.hh"
0034 #include "G4Material.hh"
0035 #include "G4PVPlacement.hh"
0036 #include "G4PhysicalConstants.hh"
0037 #include "G4SystemOfUnits.hh"
0038 #include "G4ThreeVector.hh"
0039 #include "G4Tubs.hh"
0040 #include "G4Types.hh"
0041 #include "G4VisAttributes.hh"
0042 #include "globals.hh"
0043
0044 #include <set>
0045 #include <sstream>
0046
0047 // For Primitive Scorers
0048 #include "G4MultiFunctionalDetector.hh"
0049 #include "G4PSNofCollision.hh"
0050 #include "G4PSPopulation.hh"
0051 #include "G4PSTrackCounter.hh"
0052 #include "G4PSTrackLength.hh"
0053 #include "G4SDManager.hh"
0054 #include "G4SDParticleFilter.hh"
0055
0056 // for importance biasing
0057 #include "G4IStore.hh"
0058
0059 // for weight window technique
0060 #include "G4WeightWindowStore.hh"
0061
0062 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0063
0064 B01DetectorConstruction::B01DetectorConstruction()
0065   : G4VUserDetectorConstruction(), fLogicalVolumeVector(), fPhysicalVolumeVector()
0066 {
0067   ;
0068 }
0069
0070 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0071
0072 B01DetectorConstruction::~B01DetectorConstruction()
0073 {
0074   fLogicalVolumeVector.clear();
0075   fPhysicalVolumeVector.clear();
0076 }
0077
0078 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0079
0080 G4VPhysicalVolume* B01DetectorConstruction::Construct()
0081 {
0082   G4double pos_x;
0083   G4double pos_y;
0084   G4double pos_z;
0085
0086   G4double density, pressure, temperature;
0087   G4double A;
0088   G4int Z;
0089
0090   G4String name, symbol;
0091   G4double z;
0092   G4double fractionmass;
0093
0094   A = 1.01 * g / mole;
0095   G4Element* elH = new G4Element(name = "Hydrogen", symbol = "H", Z = 1, A);
0096
0097   A = 12.01 * g / mole;
0098   G4Element* elC = new G4Element(name = "Carbon", symbol = "C", Z = 6, A);
0099
0100   A = 16.00 * g / mole;
0101   G4Element* elO = new G4Element(name = "Oxygen", symbol = "O", Z = 8, A);
0102
0103   A = 22.99 * g / mole;
0104   G4Element* elNa = new G4Element(name = "Natrium", symbol = "Na", Z = 11, A);
0105
0106   A = 200.59 * g / mole;
0107   G4Element* elHg = new G4Element(name = "Hg", symbol = "Hg", Z = 80, A);
0108
0109   A = 26.98 * g / mole;
0110   G4Element* elAl = new G4Element(name = "Aluminium", symbol = "Al", Z = 13, A);
0111
0112   A = 28.09 * g / mole;
0113   G4Element* elSi = new G4Element(name = "Silicon", symbol = "Si", Z = 14, A);
0114
0115   A = 39.1 * g / mole;
0116   G4Element* elK = new G4Element(name = "K", symbol = "K", Z = 19, A);
0117
0118   A = 69.72 * g / mole;
0119   G4Element* elCa = new G4Element(name = "Calzium", symbol = "Ca", Z = 31, A);
0120
0121   A = 55.85 * g / mole;
0122   G4Element* elFe = new G4Element(name = "Iron", symbol = "Fe", Z = 26, A);
0123
0124   density = universe_mean_density;  // from PhysicalConstants.h
0125   pressure = 3.e-18 * pascal;
0126   temperature = 2.73 * kelvin;
0127   G4Material* Galactic = new G4Material(name = "Galactic", z = 1., A = 1.01 * g / mole, density,
0128                                         kStateGas, temperature, pressure);
0129
0130   density = 2.03 * g / cm3;
0131   G4Material* Concrete = new G4Material("Concrete", density, 10);
0132   Concrete->AddElement(elH, fractionmass = 0.01);
0133   Concrete->AddElement(elO, fractionmass = 0.529);
0134   Concrete->AddElement(elNa, fractionmass = 0.016);
0135   Concrete->AddElement(elHg, fractionmass = 0.002);
0136   Concrete->AddElement(elAl, fractionmass = 0.034);
0137   Concrete->AddElement(elSi, fractionmass = 0.337);
0138   Concrete->AddElement(elK, fractionmass = 0.013);
0139   Concrete->AddElement(elCa, fractionmass = 0.044);
0140   Concrete->AddElement(elFe, fractionmass = 0.014);
0141   Concrete->AddElement(elC, fractionmass = 0.001);
0142
0143   /////////////////////////////
0144   // world cylinder volume
0145   ////////////////////////////
0146
0147   // world solid
0148
0149   G4double innerRadiusCylinder = 0 * cm;
0150   G4double outerRadiusCylinder = 100 * cm;
0151   G4double heightCylinder = 100 * cm;
0152   G4double startAngleCylinder = 0 * deg;
0153   G4double spanningAngleCylinder = 360 * deg;
0154
0155   G4Tubs* worldCylinder = new G4Tubs("worldCylinder", innerRadiusCylinder, outerRadiusCylinder,
0156                                      heightCylinder, startAngleCylinder, spanningAngleCylinder);
0157
0158   // logical world
0159
0160   G4LogicalVolume* worldCylinder_log =
0161     new G4LogicalVolume(worldCylinder, Galactic, "worldCylinder_log");
0162   fLogicalVolumeVector.push_back(worldCylinder_log);
0163
0164   name = "shieldWorld";
0165   fWorldVolume = new G4PVPlacement(0, G4ThreeVector(0, 0, 0), worldCylinder_log, name, 0, false, 0);
0166
0167   fPhysicalVolumeVector.push_back(fWorldVolume);
0168
0169   // creating 18 slabs of 10 cm thick concrete
0170
0171   G4double innerRadiusShield = 0 * cm;
0172   G4double outerRadiusShield = 100 * cm;
0173   G4double heightShield = 5 * cm;
0174   G4double startAngleShield = 0 * deg;
0175   G4double spanningAngleShield = 360 * deg;
0176
0177   G4Tubs* aShield = new G4Tubs("aShield", innerRadiusShield, outerRadiusShield, heightShield,
0178                                startAngleShield, spanningAngleShield);
0179
0180   // logical shield
0181
0182   G4LogicalVolume* aShield_log = new G4LogicalVolume(aShield, Concrete, "aShield_log");
0183   fLogicalVolumeVector.push_back(aShield_log);
0184
0185   G4VisAttributes* pShieldVis = new G4VisAttributes(G4Colour(0.0, 0.0, 1.0));
0186   pShieldVis->SetForceSolid(true);
0187   aShield_log->SetVisAttributes(pShieldVis);
0188
0189   // physical shields
0190
0191   G4int i;
0192   G4double startz = -85 * cm;
0193   for (i = 1; i <= 18; i++) {
0194     name = GetCellName(i);
0195     pos_x = 0 * cm;
0196     pos_y = 0 * cm;
0197     pos_z = startz + (i - 1) * (2 * heightShield);
0198     G4VPhysicalVolume* pvol = new G4PVPlacement(0, G4ThreeVector(pos_x, pos_y, pos_z), aShield_log,
0199                                                 name, worldCylinder_log, false, i);
0200     fPhysicalVolumeVector.push_back(pvol);
0201   }
0202
0203   // filling the rest of the world volume behind the concrete with
0204   // another slab which should get the same importance value
0205   // or lower weight bound as the last slab
0206   //
0207   innerRadiusShield = 0 * cm;
0208   outerRadiusShield = 100 * cm;
0209   heightShield = 5 * cm;
0210   startAngleShield = 0 * deg;
0211   spanningAngleShield = 360 * deg;
0212
0213   G4Tubs* aRest = new G4Tubs("Rest", innerRadiusShield, outerRadiusShield, heightShield,
0214                              startAngleShield, spanningAngleShield);
0215
0216   G4LogicalVolume* aRest_log = new G4LogicalVolume(aRest, Galactic, "aRest_log");
0217   fLogicalVolumeVector.push_back(aRest_log);
0218   name = "rest";
0219
0220   pos_x = 0 * cm;
0221   pos_y = 0 * cm;
0222   pos_z = 95 * cm;
0223   G4VPhysicalVolume* pvol_rest = new G4PVPlacement(0, G4ThreeVector(pos_x, pos_y, pos_z), aRest_log,
0224                                                    name, worldCylinder_log, false,
0225                                                    19);  // i=19
0226
0227   fPhysicalVolumeVector.push_back(pvol_rest);
0228
0229   SetSensitive();
0230   return fWorldVolume;
0231 }
0232
0233 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0234
0235 G4VIStore* B01DetectorConstruction::CreateImportanceStore()
0236 {
0237   G4cout << " B01DetectorConstruction:: Creating Importance Store " << G4endl;
0238   if (!fPhysicalVolumeVector.size()) {
0239     G4Exception("B01DetectorConstruction::CreateImportanceStore", "exampleB01_0001",
0240                 RunMustBeAborted, "no physical volumes created yet!");
0241   }
0242
0243   fWorldVolume = fPhysicalVolumeVector[0];
0244
0245   // creating and filling the importance store
0246
0247   G4IStore* istore = G4IStore::GetInstance();
0248
0249   G4int n = 0;
0250   G4double imp = 1;
0251   istore->AddImportanceGeometryCell(1, *fWorldVolume);
0252   for (std::vector<G4VPhysicalVolume*>::iterator it = fPhysicalVolumeVector.begin();
0253        it != fPhysicalVolumeVector.end() - 1; it++)
0254   {
0255     if (*it != fWorldVolume) {
0256       imp = std::pow(2., n++);
0257       G4cout << "Going to assign importance: " << imp << ", to volume: " << (*it)->GetName()
0258              << G4endl;
0259       istore->AddImportanceGeometryCell(imp, *(*it), n);
0260     }
0261   }
0262
0263   // the remaining part pf the geometry (rest) gets the same
0264   // importance as the last conrete cell
0265   //
0266   istore->AddImportanceGeometryCell(imp, *(fPhysicalVolumeVector[fPhysicalVolumeVector.size() - 1]),
0267                                     ++n);
0268
0269   return istore;
0270 }
0271
0272 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0273
0274 G4VWeightWindowStore* B01DetectorConstruction::CreateWeightWindowStore()
0275 {
0276   if (!fPhysicalVolumeVector.size()) {
0277     G4Exception("B01DetectorConstruction::CreateWeightWindowStore", "exampleB01_0002",
0278                 RunMustBeAborted, "no physical volumes created yet!");
0279   }
0280
0281   fWorldVolume = fPhysicalVolumeVector[0];
0282
0283   // creating and filling the weight window store
0284
0285   G4WeightWindowStore* wwstore = G4WeightWindowStore::GetInstance();
0286
0287   // create one energy region covering the energies of the problem
0288   //
0289   std::set<G4double, std::less<G4double>> enBounds;
0290   enBounds.insert(1 * GeV);
0291   wwstore->SetGeneralUpperEnergyBounds(enBounds);
0292
0293   G4int n = 0;
0294   G4double lowerWeight = 1;
0295   std::vector<G4double> lowerWeights;
0296
0297   lowerWeights.push_back(1);
0298   G4GeometryCell gWorldCell(*fWorldVolume, 0);
0299   wwstore->AddLowerWeights(gWorldCell, lowerWeights);
0300
0301   for (std::vector<G4VPhysicalVolume*>::iterator it = fPhysicalVolumeVector.begin();
0302        it != fPhysicalVolumeVector.end() - 1; it++)
0303   {
0304     if (*it != fWorldVolume) {
0305       lowerWeight = 1. / std::pow(2., n++);
0306       G4cout << "Going to assign lower weight: " << lowerWeight
0307              << ", to volume: " << (*it)->GetName() << G4endl;
0308       G4GeometryCell gCell(*(*it), n);
0309       lowerWeights.clear();
0310       lowerWeights.push_back(lowerWeight);
0311       wwstore->AddLowerWeights(gCell, lowerWeights);
0312     }
0313   }
0314
0315   // the remaining part pf the geometry (rest) gets the same
0316   // lower weight bound  as the last conrete cell
0317   //
0318   G4GeometryCell gRestCell(*(fPhysicalVolumeVector[fPhysicalVolumeVector.size() - 1]), ++n);
0319   wwstore->AddLowerWeights(gRestCell, lowerWeights);
0320
0321   return wwstore;
0322 }
0323
0324 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0325
0326 G4String B01DetectorConstruction::GetCellName(G4int i)
0327 {
0328   std::ostringstream os;
0329   os << "cell_";
0330   if (i < 10) {
0331     os << "0";
0332   }
0333   os << i;
0334   G4String name = os.str();
0335   return name;
0336 }
0337
0338 G4VPhysicalVolume* B01DetectorConstruction::GetWorldVolume()
0339 {
0340   return fWorldVolume;
0341 }
0342
0343 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0344
0345 void B01DetectorConstruction::SetSensitive()
0346 {
0347   //  -------------------------------------------------
0348   //   The collection names of defined Primitives are
0349   //   0       ConcreteSD/Collisions
0350   //   1       ConcreteSD/CollWeight
0351   //   2       ConcreteSD/Population
0352   //   3       ConcreteSD/TrackEnter
0353   //   4       ConcreteSD/SL
0354   //   5       ConcreteSD/SLW
0355   //   6       ConcreteSD/SLWE
0356   //   7       ConcreteSD/SLW_V
0357   //   8       ConcreteSD/SLWE_V
0358   //  -------------------------------------------------
0359
0360   // moved to ConstructSDandField() for MT compliance
0361 }
0362
0363 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0364
0365 void B01DetectorConstruction::ConstructSDandField()
0366 {
0367   //  Sensitive Detector Manager.
0368   G4SDManager* SDman = G4SDManager::GetSDMpointer();
0369   // Sensitive Detector Name
0370   G4String concreteSDname = "ConcreteSD";
0371
0372   //------------------------
0373   // MultiFunctionalDetector
0374   //------------------------
0375   //
0376   // Define MultiFunctionalDetector with name.
0377   G4MultiFunctionalDetector* MFDet = new G4MultiFunctionalDetector(concreteSDname);
0378   SDman->AddNewDetector(MFDet);  // Register SD to SDManager
0379
0380   G4String fltName, particleName;
0381   G4SDParticleFilter* neutronFilter =
0382     new G4SDParticleFilter(fltName = "neutronFilter", particleName = "neutron");
0383
0384   MFDet->SetFilter(neutronFilter);
0385
0386   for (std::vector<G4LogicalVolume*>::iterator it = fLogicalVolumeVector.begin();
0387        it != fLogicalVolumeVector.end(); it++)
0388   {
0389     //      (*it)->SetSensitiveDetector(MFDet);
0390     SetSensitiveDetector((*it)->GetName(), MFDet);
0391   }
0392
0393   G4String psName;
0394   G4PSNofCollision* scorer0 = new G4PSNofCollision(psName = "Collisions");
0395   MFDet->RegisterPrimitive(scorer0);
0396
0397   G4PSNofCollision* scorer1 = new G4PSNofCollision(psName = "CollWeight");
0398   scorer1->Weighted(true);
0399   MFDet->RegisterPrimitive(scorer1);
0400
0401   G4PSPopulation* scorer2 = new G4PSPopulation(psName = "Population");
0402   MFDet->RegisterPrimitive(scorer2);
0403
0404   G4PSTrackCounter* scorer3 = new G4PSTrackCounter(psName = "TrackEnter", fCurrent_In);
0405   MFDet->RegisterPrimitive(scorer3);
0406
0407   G4PSTrackLength* scorer4 = new G4PSTrackLength(psName = "SL");
0408   MFDet->RegisterPrimitive(scorer4);
0409
0410   G4PSTrackLength* scorer5 = new G4PSTrackLength(psName = "SLW");
0411   scorer5->Weighted(true);
0412   MFDet->RegisterPrimitive(scorer5);
0413
0414   G4PSTrackLength* scorer6 = new G4PSTrackLength(psName = "SLWE");
0415   scorer6->Weighted(true);
0416   scorer6->MultiplyKineticEnergy(true);
0417   MFDet->RegisterPrimitive(scorer6);
0418
0419   G4PSTrackLength* scorer7 = new G4PSTrackLength(psName = "SLW_V");
0420   scorer7->Weighted(true);
0421   scorer7->DivideByVelocity(true);
0422   MFDet->RegisterPrimitive(scorer7);
0423
0424   G4PSTrackLength* scorer8 = new G4PSTrackLength(psName = "SLWE_V");
0425   scorer8->Weighted(true);
0426   scorer8->MultiplyKineticEnergy(true);
0427   scorer8->DivideByVelocity(true);
0428   MFDet->RegisterPrimitive(scorer8);
0429 }
0430
0431 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......