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Open AccessArticle

The Interactive Design Approach for Aerodynamic Shape Design Optimisation of the Aegis UAV

School of Aerospace, Transport and Manufacturing, Cranfield University, MK43 0AL, UK
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Aerospace 2019, 6(4), 42; https://doi.org/10.3390/aerospace6040042
Received: 27 February 2019 / Revised: 1 April 2019 / Accepted: 4 April 2019 / Published: 8 April 2019
(This article belongs to the Special Issue Multidisciplinary Design Optimization in Aerospace Engineering)
In this work, an interactive optimisation framework—a combination of a low fidelity flow solver, Athena Vortex Lattice (AVL), and an interactive Multi-Objective Particle Swarm Optimisation (MOPSO)—is proposed for aerodynamic shape design optimisation of any aerial vehicle platform. This paper demonstrates the benefits of interactive optimisation—reduction of computational time with high optimality levels. Progress towards the most preferred solutions is made by having the Decision Maker (DM) periodically provide preference information once the MOPSO iterations are underway. By involving the DM within the optimisation process, the search is directed to the region of interest, which accelerates the process. The flexibility and efficiency of undertaking optimisation interactively have been demonstrated by comparing the interactive results with the non-interactive results of an optimum design case obtained using Multi-Objective Tabu Search (MOTS) for the Aegis UAV. The obtained results show the superiority of using an interactive approach for the aerodynamic shape design, compared to posteriori approaches. By carrying out the optimisation using interactive MOPSO it was shown to be possible to obtain similar results to non-interactive MOTS with only half the evaluations. Moreover, much of the usual complexity of post-data-analysis with posteriori approaches is avoided, since the DM is involved in the search process. View Full-Text
Keywords: interactive multi-objective particle swarm optimisation; multi-objective Tabu search algorithm; multiple criteria decision maker; Nimrod/O tool; parallel coordinates; athena vortex lattice (AVL) interactive multi-objective particle swarm optimisation; multi-objective Tabu search algorithm; multiple criteria decision maker; Nimrod/O tool; parallel coordinates; athena vortex lattice (AVL)
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MDPI and ACS Style

Azabi, Y.; Savvaris, A.; Kipouros, T. The Interactive Design Approach for Aerodynamic Shape Design Optimisation of the Aegis UAV. Aerospace 2019, 6, 42.

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