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Multidisciplinary design optimisation differs from single-discipline optimisation in that it

  • A.Applies only to structures
  • B.Optimises the whole system, accepting compromises within disciplines
  • C.Optimises each discipline separately and combines the results
  • D.Ignores constraints

Answer: B

Optimising each discipline in isolation gives a worse aircraft than a compromise found across all of them together, since the interactions dominate. The difficulty is the cost of evaluating the coupled system often enough to search it.

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