Automated design of aircraft fuselage stiffeners using multiobjective evolutionary optimisation
by Ruangrit Sarangkum; Kittinan Wansasueb; Natee Panagant; Nantiwat Pholdee; Sujin Bureerat; Ali R. Yildiz; Sadiq M. Sait
International Journal of Vehicle Design (IJVD), Vol. 80, No. 2/3/4, 2019

Abstract: This paper proposes an optimisation process for the design of aircraft fuselage stiffeners using evolutionary optimisation. A new design problem is developed to find a layout for fuselage stiffeners (rings and stringers) such that the structural mass, compliance, and the first-mode natural frequency can be optimised, subject to structural constraints. The stiffeners are modelled as beam elements. Three multiobjective meta-heuristics are employed to solve the problem, and a comparative study of the results of these optimisers is carried out. It is found that the proposed layout synthesis problem for aircraft fuselage stiffeners leads to a set of efficient structural solutions, which can be used at the decision-making stage. It is an automated design strategy with high potential for further investigation.

Online publication date: Mon, 28-Sep-2020

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