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Modelling a wing box for preliminary sizing typically uses

  • A.A single beam element for the whole aircraft
  • B.No model at all
  • C.Booms and shear panels
  • D.A full three-dimensional solid mesh

Answer: C

At preliminary stage the geometry is still changing and turnaround matters more than the last few per cent of accuracy. Booms and shear panels give section properties and load paths quickly, and detailed meshes follow once the layout has settled.

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