Reliability-based design optimisation of an aircraft wing structure with high-fidelity modelling
by Melike Nikbay, Muhammet Nasif Kuru, Semra Bayat, Necati Fakkusoglu
International Journal of Design Engineering (IJDE), Vol. 3, No. 3, 2010

Abstract: We present reliability-based design optimisation of a simple aircraft wing based on performance measure approach. Catia is used as a parametric solid modeller while Abaqus is used to compute the structural response of the wing system. As an optimisation driver, Modefrontier, is used with sequential quadratic programming method. The core of the problem leans on the structural optimisation of a statically loaded wing. Weight and first modal frequency of that wing are optimised with stochastic parameters. The uncertainties concerning both yield strength and Young's modulus of the aluminium material will be analysed by the reliability analysis code developed in Matlab.

Online publication date: Mon, 18-Apr-2011

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