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Outline

Outline. 2 wall thicknesses: 4mm, 2.8mm Various stiffening structures studied All models have been analyzed at 2atm vacuum load Some (the most “promising”) have been analyzed also with 1mm beam pipe displacement ( tuning ) Material budget estimate.

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Outline

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  1. Outline • 2 wall thicknesses: 4mm, 2.8mm • Various stiffening structures studied • All models have been analyzed at 2atm vacuum load • Some (the most “promising”) have been analyzed also with 1mm beam pipe displacement (tuning) • Material budget estimate Single Spoke Resonator Structural Reinforcement Study – G.Lanfranco april 26th 2005

  2. FEA boundary conditions and geometry for 4mm wall SSR • Pressure load = 2.027×107 Pa (2 atm) • Fixed support at power coupler and beam tube • Flat rib  40mm×4mm thick • Tubular Rib  24.65mm ID, 4mm thick • Gussets  62.3mm × 38mm high × 4mm thick Single Spoke Resonator Structural Reinforcement Study – G.Lanfranco april 26th 2005

  3. Niobium Properties Single Spoke Resonator Structural Reinforcement Study – G.Lanfranco april 26th 2005

  4. Single Spoke Resonator - NO RIB Single Spoke Resonator Structural Reinforcement Study – G.Lanfranco april 26th 2005

  5. Single Spoke Resonator - NO RIB Total deformation Von Mises Stress Single Spoke Resonator Structural Reinforcement Study – G.Lanfranco april 26th 2005

  6. Single Spoke Resonator - FLAT RIB Single Spoke Resonator Structural Reinforcement Study – G.Lanfranco april 26th 2005

  7. Single Spoke Resonator - FLAT RIB Total deformation Von Mises Stress Single Spoke Resonator Structural Reinforcement Study – G.Lanfranco april 26th 2005

  8. Single Spoke Resonator - TUBULAR RIB Single Spoke Resonator Structural Reinforcement Study – G.Lanfranco april 26th 2005

  9. Single Spoke Resonator - TUBULAR RIB Total deformation Von Mises Stress Single Spoke Resonator Structural Reinforcement Study – G.Lanfranco april 26th 2005

  10. SSR - FLAT RIB + GUSSETS Single Spoke Resonator Structural Reinforcement Study – G.Lanfranco april 26th 2005

  11. SSR - FLAT RIB + GUSSETS Total deformation Von Mises Stress Single Spoke Resonator Structural Reinforcement Study – G.Lanfranco april 26th 2005

  12. SSR - TUBULAR RIB + GUSSETS Single Spoke Resonator Structural Reinforcement Study – G.Lanfranco april 26th 2005

  13. SSR - TUBULAR RIB + GUSSETS Total deformation Von Mises Stress Single Spoke Resonator Structural Reinforcement Study – G.Lanfranco april 26th 2005

  14. Summary Single Spoke Resonator Structural Reinforcement Study – G.Lanfranco april 26th 2005

  15. New model • 2.8mm wall thickness • Geometry optimization Single Spoke Resonator Structural Reinforcement Study – G.Lanfranco april 26th 2005

  16. SSR – New Design & 2.8mm wall – No Ribs Total deformation Von Mises Stress Single Spoke Resonator Structural Reinforcement Study – G.Lanfranco april 26th 2005

  17. SSR – New Design & 2.8mm wall – 10mm Ribs Single Spoke Resonator Structural Reinforcement Study – G.Lanfranco april 26th 2005

  18. SSR – New Design & 2.8mm wall – 10mm Ribs Total deformation Von Mises Stress (>1GPa!) Single Spoke Resonator Structural Reinforcement Study – G.Lanfranco april 26th 2005

  19. SSR – New Design & 2.8mm wall – type 1 ribs Single Spoke Resonator Structural Reinforcement Study – G.Lanfranco april 26th 2005

  20. SSR – New Design & 2.8mm wall – type 1 ribs Total deformation Von Mises Stress (~450MPa) Single Spoke Resonator Structural Reinforcement Study – G.Lanfranco april 26th 2005

  21. SSR – type 1 ribs 1mm longitd. Displacmnt. at beam tube Total deformation Von Mises Stress (~275MPa) Single Spoke Resonator Structural Reinforcement Study – G.Lanfranco april 26th 2005

  22. SSR Type 1 ribs 1mm longitd. Displacmnt. b. tube + 2atm Total deformation Von Mises Stress (~560MPa) Single Spoke Resonator Structural Reinforcement Study – G.Lanfranco april 26th 2005

  23. SSR – New Design & 2.8mm wall – type 2 ribs Single Spoke Resonator Structural Reinforcement Study – G.Lanfranco april 26th 2005

  24. SSR – New Design & 2.8mm wall – type 2 ribs Total deformation Von Mises Stress (~1GPa) Single Spoke Resonator Structural Reinforcement Study – G.Lanfranco april 26th 2005

  25. SSR – New Design & 2.8mm wall – type 3 ribs Single Spoke Resonator Structural Reinforcement Study – G.Lanfranco april 26th 2005

  26. SSR – New Design & 2.8mm wall – type 3 ribs Total deformation Von Mises Stress (~390 MPa) Single Spoke Resonator Structural Reinforcement Study – G.Lanfranco april 26th 2005

  27. SSR Type 3 ribs 1mm longitd. Displ.. beam tube Total deformation Von Mises Stress (~160 MPa) Single Spoke Resonator Structural Reinforcement Study – G.Lanfranco april 26th 2005

  28. SSR Type 3 ribs 1mm longitd. Displ.. beam tube + 2atm Total deformation Von Mises Stress (~430 MPa) Single Spoke Resonator Structural Reinforcement Study – G.Lanfranco april 26th 2005

  29. Material Budget Single Spoke Resonator Structural Reinforcement Study – G.Lanfranco april 26th 2005

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