Journal
ENGINEERING WITH COMPUTERS
Volume 38, Issue 1, Pages 695-713Publisher
SPRINGER
DOI: 10.1007/s00366-020-01077-w
Keywords
Aeroelasticity; Aircraft wing; Surrogate models; Multiobjective evolutionary algorithms; Estimation of distribution algorithm
Funding
- Thailand Research Fund [RTA6180010]
- Royal Golden Jubilee Ph.D. program [PHD/0182/2559]
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This paper introduces a new self-adaptive meta-heuristic algorithm for multiobjective optimization, which shows promising performance in aeroelastic design of aircraft wings. The adaptation is achieved by estimation of distribution, and the optimization results are proven to be efficient and effective.
This paper proposes a new self-adaptive meta-heuristic (MH) algorithm for multiobjective optimisation. The adaptation is accomplished by means of estimation of distribution. The differential evolution reproduction strategy is modified and used in this dominance-based multiobjective optimiser whereas population-based incremental learning is used to estimate the control parameters. The new method is employed to solve aeroelastic multiobjective optimisation of an aircraft wing which optimises structural weight and flutter speed. Design variables in the aeroelastic design problem include thicknesses of ribs, spars and composite layers. Also, the ply orientation of the upper and lower composite skins are assigned as the design variables. Additional benchmark test problems are also use to validate the search performance of the proposed algorithm. The performance validation reveals that the proposed optimiser is among the state-of-the-art multiobjective meta-heuristics. The concept of using estimation of distribution algorithm for tuning meta-heuristic control parameters is efficient and effective and becomes a new direction for improving MH performance.
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