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Table 1 Maximum values of effective stress, deflection and impact load with various velocities and angles

From: Safety Assessment of Aircraft Fuel Tank Access Cover under the Impact Load by Tire Fragments

  Impact angle (°) Fragment velocity (m/s)
20 40 60 80 100 135
Effective stress (MPa) 30 95 198.9 272 339.7 388 438.2
50 102 209 283 350 401 462
70 112 228 302 363 420 475
90 122 237 313 378 428 488
Deflection (mm) 30 2.58 3.29 3.91 4.19 4.4 4.61
50 2.7 3.79 4.5 5.1 5.56 5.93
70 2.9 4.15 5.15 6.06 6.87 7.98
90 3.05 4.48 5.6 6.68 7.58 8.95
Impact load (N) 30 1160 1387 2688 3990 4812 5638
50 1230 1691 3345 4780 6005 7610
70 1320 2150 3965 5780 7340 9500
90 1550 2852 4810 6808 8632 11205