FEA boundary conditions and geometry

1
FEA boundary conditions and geometry

• Pressure load 2.027107 Pa (2 atm)
• Fixed support at power coupler and beam tube
• Flat rib ? 40mm4mm thick
• Tubular Rib ? 24.65mm ID, 4mm thick
• Gussets ? 62.3mm 38mm high 4mm thick

2
Niobium Properties
3
Single Spoke Resonator - NO RIB
4
Single Spoke Resonator - NO RIB
Total deformation
Von Mises Stress
5
Single Spoke Resonator - FLAT RIB
6
Single Spoke Resonator - FLAT RIB
Total deformation
Von Mises Stress
7
Single Spoke Resonator - TUBULAR RIB
8
Single Spoke Resonator - TUBULAR RIB
Total deformation
Von Mises Stress
9
SSR - FLAT RIB GUSSETS
10
SSR - FLAT RIB GUSSETS
Total deformation
Von Mises Stress
11
SSR - TUBULAR RIB GUSSETS
12
SSR - TUBULAR RIB GUSSETS
Total deformation
Von Mises Stress
13
Summary
Reinforcement Type Total Deformation mm Von Mises MPa
none 329 352.8
flat 283 256.0
tubular 266 254.4
Flat gussets 137 65.08
Tubular gussets 109 65.85