geometry description for cavern background
DESCRIPTION
Geometry Description for Cavern Background. Archil Surmava Besik Kekelia Georgian CAD/CAM Engineer Center, GTU. SCSWT’2010 South Caucasus Software / Computing Workshop & Tutorial Oct 25, 2010. Outline. ATLAS Detector Simulation GAP Region between Barrel and Endcap - PowerPoint PPT PresentationTRANSCRIPT
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Geometry Description for Cavern Background
Archil Surmava Besik Kekelia
Georgian CAD/CAM Engineer Center, GTU
SCSWT’2010South Caucasus Software / Computing Workshop & Tutorial
Oct 25, 2010
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Outline
ATLAS Detector Simulation GAP Region between Barrel and Endcap Models from Local and SmarTeam database for
GAP Region Modification of CATIA V5 models Integration of geometry from CATIA V5 model to
Geant4 code Compare Atlas CATIA geometry and CavernBkg
Geant4 geometry
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ATLAS Detector Simulation
GAP Region
Low-energy neutrons and photons have come out and hit the barrel muon chambers
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GAP Region Layout
GAP Region Zmin=~2.25 m Zmax=~4 m
Tile EndCap Cal.
LArg EndCap Cal.
Tile Barrel Cal.
LArg Barrel Cal.
There was fixed Gap region size and shape between Barrel and Endcap
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Local and SmarTeam database
GCCEC Local database
Atlas Upgrade
Atlas 2009SmarTeam database
Local database
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Local and SmarTeam database
GCCEC Local database
Atlas Upgrade
Atlas 2009SmarTeam database
Local database
~ 240 models
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Calorimeter Layout
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Calorimeter Layout
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ID TRT, SCT
Detector Components in GAP Region
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ID TRT, SCT
Inner Detector outer plates
Detector Components in GAP Region
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ID TRT, SCT
Inner Detector outer plates
ELECTRONIC BOXES
Detector Components in GAP Region
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ID TRT, SCT
Inner Detector outer plates
ELECTRONIC BOXES
SCINTILLATOR
Detector Components in GAP Region
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Detector Components in GAP Region
ID TRT, SCT
Inner Detector outer plates
ELECTRONIC BOXES
SCINTILLATOR
JM SHIELDING DISK
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Services in GAP Region
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Services in GAP Region
Inner Services
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Services in GAP Region
Middle Services
Inner Services
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Services in GAP Region
Middle Services
Outer Services
Inner Services
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Modification of CATIA V5 models
Search of Detailed information
Creation detail model
Calculation of geometry Volume
Simplified of geometry
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Larg Drain Line
Tile EndCap Cal. Tile Barrel Cal.
LArg Barrel Cal.
Larg Drain line
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Modification of CATIA V5 models
Search of Detailed information
CDD (CERN Drawings Directory)
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Modification of CATIA V5 models
Search of Detailed information
Catalogs
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Modification of CATIA V5 models
Creation detail model in CATIA V5
Larg Drainline Assemby
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Modification of CATIA V5 models
Calculation of geometry Volume
Stainless Steel
Polycarbonate
Vacuum
Liquid Argon
~9443cm3
Materials Volumes
~596cm3
~ 48139cm3
~2856cm3
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Modification of CATIA V5 models
Simplified of geometry
DetailedVolume: ~61034cm3
SimplifiedVolume: ~61032cm3
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Integration of geometry from CATIA V5 model to Geant4 code
Geant4 code Clash checking Geant4 geometries Compare checking CATIA V5 and Geant4
geometries
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// DrainLine Solid r_inner = 119*mm; r_outer = 127*mm; z_half = 243.75*mm; G4Tubs* DrainLineBody1 = new G4Tubs("DrainLineBody1",r_inner, r_outer, z_half, phi0, dphi); r_inner = 158*mm; r_outer = 169*mm; r_inner2 = 119*mm; r_outer2 = 130*mm; z_half = 50*mm; G4Cons* DrainLineBody2 = new G4Cons("DrainLineBody2",r_inner, r_outer, r_inner2, r_outer2, z_half, phi0, dphi); r_inner = 158*mm; r_outer = 169*mm; z_half = 145*mm; G4Tubs* DrainLineBody3 = new G4Tubs("DrainLineBody3",r_inner, r_outer, z_half, phi0, dphi); r_inner = 58*mm; r_outer = 169*mm; z_half = 4*mm; G4Tubs* DrainLineBody4 = new G4Tubs("DrainLineBody4",r_inner, r_outer, z_half, phi0, dphi); r_inner = 52*mm; r_outer = 58*mm; z_half = 100*mm; G4Tubs* DrainLineBody5 = new G4Tubs("DrainLineBody5",r_inner, r_outer, z_half, phi0, dphi); G4VSolid* DrainLineBody_Union1= new G4UnionSolid("DrainLineBody_Union1", DrainLineBody1, DrainLineBody2, 0, G4ThreeVector(0, 0, -293.75*mm)); G4VSolid* DrainLineBody_Union2= new G4UnionSolid("DrainLineBody_Union2", DrainLineBody_Union1, DrainLineBody3, 0,G4ThreeVector(0, 0, -488.75*mm)); G4VSolid* DrainLineBody_Union3= new G4UnionSolid("DrainLineBody_Union3", DrainLineBody_Union2, DrainLineBody4, 0,G4ThreeVector(0, 0, -637.75*mm)); G4VSolid* DrainLineBody_Union4= new G4UnionSolid("DrainLineBody_Union4", DrainLineBody_Union3, DrainLineBody5, 0,G4ThreeVector(0, 0, -737.75*mm)); G4LogicalVolume* DrainLineBody_log = new G4LogicalVolume(DrainLineBody_Union4, GCalorMaterials::GetMat("SSTEEL"), "DL_log", 0, 0, 0); DrainLineBody_log->SetVisAttributes(SSVisAtt); new G4PVPlacement(0, G4ThreeVector(0, 0, 243.75*mm), DrainLineBody_log, "DL_phys", SpaceLDL_log, true, 0);
Geant4 code of DrainLine body
DrainLine body
Integration of geometry from CATIA V5 model to Geant4 code
Geant4 code of DrainLine
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// Insulation Washer //-----------------------------------------------------------------material Polycarbonate r_inner = 132*mm; r_outer = 148.88*mm; z_half = 20*mm; G4Tubs* InsulationWasher = new G4Tubs("InsulationWasher",r_inner, r_outer, z_half, phi0, dphi); G4LogicalVolume* InsulationWasher_log = new G4LogicalVolume(InsulationWasher, POLYCARBONATE, "IW_log1", 0, 0, 0); InsulationWasher_log->SetVisAttributes(PolyVisAtt); new G4PVPlacement(0, G4ThreeVector(0,0,120*mm), InsulationWasher_log, "IW_phys1", SpaceLDL_log, true, 0);
Geant4 code of LiquidArgon
Insulation Washer
Integration of geometry from CATIA V5 model to Geant4 code
Geant4 code of DrainLine
// LiquidArgon Volume r_inner = 0.; r_outer = 28.36*mm; z_half = 565*mm; G4Tubs* Liquidargon = new G4Tubs("Liquidargon",r_inner, r_outer, z_half, phi0, dphi); G4LogicalVolume* Liquidargon_log = new G4LogicalVolume(Liquidargon, GCalorMaterials::GetMat("LIQ_ARGON"), "LA_log1", 0, 0, 0);
Liquidargon_log->SetVisAttributes(LiqAVisAtt); new G4PVPlacement(0,G4ThreeVector(0, 0, -519*mm), Liquidargon_log, "LA_phys1", SpaceLDL_log, false, 0);
Liquid Argon
Geant4 code of Insulation Washer
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// Vacuum Volume r_inner = 0*mm; r_outer = 117*mm; z_half = 243.75*mm; G4Tubs* Vacuum1 = new G4Tubs("Vacuum1", r_inner, r_outer, z_half, phi0, dphi); r_inner = 0*mm; r_outer = 156*mm; r_inner2 = 0*mm; r_outer2 = 117*mm; z_half = 50*mm; G4Cons* Vacuum2=new G4Cons("Vacuum2", r_inner, r_outer, r_inner2, r_outer2, z_half, phi0, dphi); r_inner = 0*mm; r_outer = 156*mm; z_half = 140*mm; G4Tubs* Vacuum3 = new G4Tubs("Vacuum3", r_inner, r_outer, z_half, phi0, dphi); r_inner = 0*mm; r_outer = 50*mm; z_half = 105*mm; G4Tubs* Vacuum4 = new G4Tubs("Vacuum4", r_inner, r_outer, z_half, phi0, dphi); r_inner = 0*mm; r_outer = 30*mm; z_half = 330*mm; G4Tubs* Vacuum5 = new G4Tubs("Vacuum5", r_inner, r_outer, z_half, phi0, dphi); G4VSolid* Vacuum_Union1= new G4UnionSolid("Vacuum_Union1", Vacuum1, Vacuum2, 0, G4ThreeVector(0, 0, -293.75*mm)); G4VSolid* Vacuum_Union2= new G4UnionSolid("Vacuum_Union2", Vacuum_Union1, Vacuum3, 0, G4ThreeVector(0, 0, -483.75*mm)); G4VSolid* Vacuum_Union3= new G4UnionSolid("Vacuum_Union3", Vacuum_Union2, Vacuum4, 0, G4ThreeVector(0, 0, -728.75*mm)); G4VSolid* Vacuum_Subtraction1= new G4SubtractionSolid("Vacuum_Subtraction1", Vacuum_Union3, Vacuum5, 0, G4ThreeVector(0, 0, -526.5*mm)); G4LogicalVolume* Vacuum_log = new G4LogicalVolume(Vacuum_Subtraction1, GCalorMaterials::GetMat("VACUUM"), "VA_log1", 0, 0, 0); Vacuum_log->SetVisAttributes(VacuVisAtt); new G4PVPlacement(0, G4ThreeVector( 0, 0, 243.75*mm), Vacuum_log, "VA_phys1", SpaceLDL_log, false, 0);
Geant4 code of Vacuum
Vacuum
Integration of geometry from CATIA V5 model to Geant4 code
Geant4 code of DrainLine
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We have only contacts. Clash didn’t fixed
1 Contact 2 Contact
Integration of geometry from CATIA V5 model to Geant4 code
Clash checking Geant4 geometries
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AddedMaterial = Catia + Geant4 RemovedMaterial = Catia - Geant4
Catia model Geant4 model
Integration of geometry from CATIA V5 model to Geant4 code
Compare checking CATIA V5 and Geant4 geometries
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AddedMaterial = Catia + Geant4 RemovedMaterial = Catia - Geant4
AddedMaterial and RemovedMaterial are due to computational inaccuracy
Catia model Geant4 model
Integration of geometry from CATIA V5 model to Geant4 code
Compare checking CATIA V5 and Geant4 geometries
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Compare Atlas CATIA geometry and CavernBkg Geant4 geometry (Extend Tile Calorimeter)
Extend Cal.
Barrel Cal.
Services
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Compare Atlas CATIA geometry and CavernBkg Geant4 geometry (Extend Tile Calorimeter)
Catia ModelGeant4 Model
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Compare Atlas CATIA geometry and CavernBkg Geant4 geometry (Extend Tile Calorimeter)
AddedMaterial = Catia + Geant4 RemovedMaterial = Catia - Geant4 Volume:Catia model -104.432m3Geant4 model - 99.303m3
Difference - 5.129 m3
Catia Model Geant4 Model
Mass:Catia model - 820.837TGeant4 model - 780.519T
Difference - 40.318T
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Compare Atlas CATIA geometry and CavernBkg Geant4 geometry (Extend Tile Calorimeter)
Geant4 model
Catia model
Catia Model
AddedMaterial
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Compare Atlas CATIA geometry and CavernBkg Geant4 geometry (Extend Tile Calorimeter)
Geant4 model
Catia modelCatia Model
AddedMaterial
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Compare Atlas CATIA geometry and CavernBkg Geant4 geometry (Extend Tile Calorimeter)
AddedMaterial
4.004cm
1.955cm
Geant4 Model
Catia Model
Catia Model
Geant4 Model
RemovedMaterial
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Compare Atlas CATIA geometry and CavernBkg Geant4 geometry (Extend Tile Calorimeter)
Geant4 Model
Catia Model