面向变后掠飞行器的蜂窝结构设计与优化

doi:10.3901/JME.260008

摘要/Abstract

摘要： 蜂窝结构因具有良好的面内变形能力和法向承载能力，广泛应用于变形飞行器设计中，使其能够适应复杂的飞行环境。针对小展弦比飞行器变后掠翼的设计需求，提出了一种能够沿极坐标环向变形的新型蜂窝结构。在极坐标系下描述了蜂窝单胞结构和整体结构的几何模型，通过引入特征参数分析了结构的变尺度特性；通过建立有限元模型分析了蜂窝结构在环向变形的面内刚度和法向承载的面外刚度，仿真结果表明该结构能够实现大范围连续变形，并且具备较强的法向承载能力。针对蜂窝结构变形和承载能力的多目标优化问题，分析了结构特征参数对面内刚度和面外刚度的影响，并提出了一种基于期望超体积改进的多目标遗传优化算法(NSGAII-EHVI)对蜂窝结构进行优化设计，优化结果可为变后掠翼结构设计提供参考。

关键词: 变后掠翼, 蜂窝结构, 有限元仿真, 刚度分析, 多目标优化

Abstract: The honeycomb structure is widely used in the design of deforming aircraft because of its good in-plane deformation capacity and normal bearing capacity, enabling them to adapt to complex flight environments. In order to meet the design requirements of the morphing swept angle for small aspect ratio aircraft, a novel honeycomb structure that can deform along the polar coordinate system is proposed. The geometric model of the unit cell and the honeycomb are described in the polar coordinate system, and the variable scale characteristics are analyzed by introducing characteristic parameters. A finite element model is established to analyze the in-plane stiffness for circumferential deformation and the out-of-plane stiffness with normal load. Simulation results indicate that this structure can achieve a wide range of continuous deformation and possesses strong normal load-bearing capacity. In order to solve the multi-objective optimization of deformation and load-bearing capacity of the honeycomb structure, the impact of structural characteristic parameters on in-plane and out-of-plane stiffness is analyzed. A multi-objective genetic optimization algorithm based on expected hypervolume improvement (NSGAII-EHVI) is proposed to optimize the honeycomb structure, and the optimization results can provide a reference for the design of variable sweep wing structures.

Key words: variable-swept aircrafts, honeycomb, FEA, stiffness analysis, multi-objective optimization

中图分类号:

V423

李先航, 庞勇, 张海瑞, 宋学官, 阳加远, 方伟光. 面向变后掠飞行器的蜂窝结构设计与优化[J]. 机械工程学报, 2026, 62(1): 137-147.

LI Xianhang, PANG Yong, ZHANG Hairui, SONG Xueguan, YANG Jiayuan, FANG Weiguang. Honeycomb Structural Design and Optimization for Variable-swept Aircrafts[J]. Journal of Mechanical Engineering, 2026, 62(1): 137-147.

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