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[14] SEISMIC ANALYSIS OF THE NATIONAL COMPACT STELLERATOR Experiment (NCSX)

[14] SEISMIC ANALYSIS OF THE NATIONAL COMPACT STELLERATOR Experiment (NCSX) PSFC/JA-04-25 Peter H. Titus May 17 2004. Stress – SRSS of All Loads. Run #7 First Mode. Mode 7 Run #4. Mode 8 Run #4. Figure North-South Response Spectrum Curve, TFTR/TPX Test Cell, ref [5].

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[14] SEISMIC ANALYSIS OF THE NATIONAL COMPACT STELLERATOR Experiment (NCSX)

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  1. [14] SEISMIC ANALYSIS OF THE NATIONAL COMPACT STELLERATOR Experiment (NCSX) PSFC/JA-04-25Peter H. Titus May 17 2004 Stress – SRSS of All Loads Run #7 First Mode Mode 7 Run #4 Mode 8 Run #4

  2. Figure North-South Response Spectrum Curve, TFTR/TPX Test Cell, ref [5] Figure East-West Response Spectrum Curve, TFTR/TPX Test Cell, ref [5] Enveloped ARS – Use with a Factor of 2.0 [5]

  3. Global Reaction Summations .5g + deadweight Static Analysis Response Spectra Modal Analysis Global Reaction Summations

  4. Hilti Drop-In Hilti HDI Concrete Flush Anchor Tests Allowable Design Loads are ¼ these Values, i.e. a F.S. of 4 is recommended A shear design capacity of 13000 lbs and a tensile capacity of 9000lbs is recommended. These envelope static and modal analyses. For shear, use 13000/6224*4 = 8 ½ “ Hiltis, For Tension use 9000/6751*4=5 ½ “Hilties 13 ½ “ Hiltis Total per Leg -or For shear use 13000/9696*4 = 4 5/8 Hiltis, for Tension use 4 5/8 Hiltis Or 8 5/8 Hilti’s Total per Leg

  5. I Beam Support Column Static Analysis Results ¾ Hilti Test Capacity – Use ¼ Value This I Beam is Almost Completely in Compression This I Beam is Mostly in Tension – The Net Load is 35833 N or 8000 lbs – Small for ¾ inch bolts and Hiltis

  6. From DOE Regs Static Acceleration used in the original NSTX qualification Fp = Z I Cp WP = 0.135 Wp This analysis used .5g – For Extra Weight and Uncertainty This is 1e6*.2248/4 = 56200 lbs per Hilti Consider adding shear plates with many Hiltis on outboard Diagonal Braces

  7. Modal Analysis Results Fx=5675.1 Lbs Fy=6759.7 Lbs Fz=7529.0 Lbs Fx=9023.02 Lbs Fy=8078.6 Lbs Fz=6790.7 Lbs SRSS of Fx and Fz Shear= 11293lbs Fx=10131 Lbs Fy=1500.3 Lbs Fz=7673 Lbs SRSS of Fx and Fz Shear= 12709lbs Fx=5644.5 Lbs Fy=6674.5 Lbs Fz=6827.2 Lbs

  8. Static Analysis Results Fx=23875N Fy=28661 N Fz=-16142N Fx=5367 Lbs Fy=6443Lbs Fz=3628 Lbs SRSS of Fx and Fz Shear= 3900 lbs Fx=14230N Fy=-16801N Fz=9626.4N Fx=3199 Lbs Fy=377Lbs Fz=2163 Lbs SRSS of Fx and Fz Shear= 6500 lbs

  9. Modal Analysis Results

  10. Bottom Bellows Static .5g Lateral Analysis Bottom Bellows Modal Analysis

  11. Mode 2

  12. Mode 3

  13. Mode 4

  14. Mode 4

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