Discussion
Assertion (A): Multidisciplinary optimisation gives a better aircraft than optimising each discipline separately.
Reason (R): The interactions between disciplines dominate the result.
Select the correct answer from the options below.
Answer: B
Correct answer: Both A and R are true, and R is the correct explanation of A
Both are true and the reason accounts for the assertion. Optimising each discipline in turn produces a design that is best for none of them together: the aerodynamicist’s high aspect ratio wing is the structural engineer’s heaviest. Because the couplings between disciplines dominate the outcome, the system must be optimised as a whole, accepting a locally worse solution in one discipline where it improves the aircraft.
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