1 M. CARTY, D. ATTIE, P. COLAS, M. RIALLOT (CEA Saclay) Preliminary Mechanical Analysis of the ILC TPC DESY - September 22, 2009 September 22, 2009 M.

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1 M. CARTY, D. ATTIE, P. COLAS, M. RIALLOT (CEA Saclay) Preliminary Mechanical Analysis of the ILC TPC DESY - September 22, 2009 September 22, 2009 M. CARTY - PMA of the ILC TPC

Outline September 22, M. CARTY - PMA of the ILC TPC Structure Configuration PCB Analysis TPC Analysis Perspectives

4,6 m Ø 3,6 m Structure September 22, M. CARTY - PMA of the ILC TPC Version 1 (2 x 84 PCB) - 2 x 12 x PCB1 - 2 x 18 x PCB2 - 2 x 24 x PCB3 - 2 x 30 x PCB4 Version 2 (2 x 65 PCB) - 2 x 15 x PCB1 - 2 x 20 x PCB2 - 2 x 30 x PCB3

PCB Analysis - Hypothesis September 22, M. CARTY - PMA of the ILC TPC α Re Ri e p QtRi (mm)Re (mm)α (deg)e (mm) t (mm) (Epaisseur) p (mbar) PCB ,530153,2010 PCB218731,51066,520153,2010 PCB ,51402,515 3,2010 PCB , ,2010 QtRi (mm)Re (mm)α (deg)e (mm) t (mm) (Epaisseur) p (mbar) PCB ,524153,2010 PCB620843,51290,518153,2010 PCB , ,2010 Loads : ∆P = 10 mbar Material : G11 (TBC) E = MPa ρ = kg/m 3 ν = 0.15 Version 1 – 4 wheel Version wheel

PCB Analysis - Results September 22, M. CARTY - PMA of the ILC TPC PCB1PCB2PCB3PCB4 Deflection (mm)0,120,140,150,16 Sigma VM (Mpa)2,092,242,292,34 PCB5PCB6PCB7 Deflection (mm)0,110,260,22 Sigma VM (Mpa)2,13,273,03 Version 1 – 4 wheel Version 2 – 3 wheel Better from mechanical (deformation) point of view

TPC Analysis - Hypothesis September 22, M. CARTY - PMA of the ILC TPC Size : Ø3,6m x 4,6m Weigth : WEB V1 => 2 x 370 kg (for Aluminium) WEB V2 => 2 x 345 kg (for Aluminium) PCB => 2 x 44 kg (TBC) Cage => 265 kg (TBD) Loads : Standard Earth Gravity Case 1 => ∆P = 0 mbar Case 2 => ∆P = 10 mbar (TBC) Material : WEB => Aluminium Alloy (TBC) E = MPa ρ = kg/m 3 ν = 0.33 TPC => Composite (TBD) E = ??? MPa ρ = ??? kg/m 3 ν = ??? 4,6 m Ø 3,6 m

Evaluation of the TPC Material September 22, M. CARTY - PMA of the ILC TPC Ep/uEp/c%E (Mpa)% EE equ (Mpa)Rho (kg/m3)% RhoRho equ (kg/m3) Cu % Kapton % Cu % Epoxy % GRP % Epoxy % Nomex % TBD 46 Epoxy % GRP % Epoxy % Kapton % Epoxy % Cu % Kapton % Cu % TPC => Composite (TBD) Ep = 25 mm E = MPa ρ = 172 kg/m 3 ν = 0.3

TPC Support September 22, M. CARTY - PMA of the ILC TPC 4 possible configurations Case 1 Case 3 Case 2 Case 4

TPC V1 - ∆P= 0 – Results September 22, M. CARTY - PMA of the ILC TPC Case 1 Case 3 Case 2 Case 4

TPC V1 - ∆P= 10 – Results September 22, M. CARTY - PMA of the ILC TPC Case 1 Case 3 Case 2 Case 4

TPC V1 vs V2 September 22, M. CARTY - PMA of the ILC TPC Deflection (mm) ∆P = 0 mbar∆P = 10 mbar Case 1 V V ∆-10%-7% Case 2 V V ∆0%-7% Case 3 V V ∆0%-10% Case 4 V V ∆0% Déformation V1 - ∆P = 0 mbar Déformation V2 - ∆P = 0 mbar

For the future September 22, M. CARTY - PMA of the ILC TPC Evaluation more precise of the Cage material (sample, measure) Simulation with composite material (carbon fiber) for the WEB Thermo-mechanical simulation Other configuration ?

September 22, M. CARTY - PMA of the ILC TPC THANKS