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An analyst applies the full structure load to a quarter-symmetry model. The result will be

  • A.Correct but conservative
  • B.Wrong only in the displacements
  • C.Wrong by roughly a factor of four in the computed stresses
  • D.Correct

Answer: C

A quarter model represents a quarter of the structure and must receive a quarter of the load. Applying the whole load overstates everything by about four times, and it is a mistake that reaction checking would catch immediately.

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