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Fatigue analysis differs from static strength analysis in that it considers

  • A.The whole spectrum of loads over its life
  • B.Only the single largest load ever expected
  • C.Only the ultimate load case
  • D.Only the ground loads

Answer: A

Static strength asks whether one extreme load can be carried; fatigue asks whether millions of smaller cycles will grow a crack. The pressurisation cycle, the gust spectrum and the ground-air-ground cycle together make up the load spectrum a transport is assessed against.

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