Wing Design Optimization for a Long-Endurance UAV using FSI Analysis and the Kriging Method
Copyright policy )Wing Design Optimization for a Long-Endurance UAV using FSI Analysis and the Kriging Method
In this study, wing design optimization for long-endurance unmanned aerial vehicles (UAVs) is investigated. The fluid-structure integration (FSI) analysis is carried out to simulate the aeroelastic characteristics of a high-aspect ratio wing for a long-endurance UAV. High-fidelity computational codes, FLUENT and DIAMOND/IPSAP, are employed for the loose coupling FSI optimization. In addition, this optimization procedure is improved by adopting the design of experiment (DOE) and Kriging model. A design optimization tool, PIAnO, integrates with an in-house codes, CAE simulation and an optimization process for generating the wing geometry/computational mesh, transferring information, and finding the optimum solution. The goal of this optimization is to find the best high-aspect ratio wing shape that generates minimum drag at a cruise condition of C L = 1.0. The result shows that the optimal wing shape produced 5.95 % less drag compared to the initial wing shape.
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