Abstract
The purpose of this paper is to show the effects of variation of wing area, aspect ratio and sweep angle on the wing structural mass and flutter speeds in an optimisation study of a next generation 500-600 seat commercial aircraft. The current work is a contribution to a multidisciplinary research conducted by a consortium of twelve major European aerospace manufacturers and research establishments and two prominent universities. The project is based on a large commercial aircraft wing with associated fuselage, tailplane and fin structures and involves a variety of structural, aerodynamic and aeroelastic optimisation studies. The work presented in this paper relates specifically to the structural and aeroelastic optimisation research conducted by the authors as part of this larger research.
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