点阵构型对夹层结构抗鸟撞性能的影响

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振动与冲击 ›› 2024, Vol. 43 ›› Issue (1) : 212-217.

论文

点阵构型对夹层结构抗鸟撞性能的影响

阎军1,2, 张晨光1, 赛音夫1, 王福浩1, 霍思旭1, 柴象海3,4, 阎琨5

作者信息 +

Effects of lattice configuration on anti-bird impact performance of sandwich structures

YAN Jun1,2, ZHANG Chenguang1, SAI Yinfu1, WANG Fuhao1, HUO Sixu1, CHAI Xianghai3,4, YAN Kun5

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文章历史 +

摘要

空心夹层叶片由于同时具备轻量化与吸能特性而被广泛应用于航空发动机设计，本文研究了四种不同点阵构型对填充式叶片等效模拟件的抗鸟撞能力的影响。通过均匀化方法给出四种点阵构型的等效刚度，然后基于随形自适应点阵填充结构的建模方法建立点阵填充的曲板模型，通过3D打印将单胞填充平板结构制造出来进行鸟撞试验并进行数值仿真。从变形机理和能量吸收的角度分析了四种不同单胞下填充结构的抗鸟撞性能，BCC具有更好的抵抗z方向挠度和面内y方向的褶皱两种变形的表现且相比于其他几种结构的吸能作用更优，所以BCC具有更好的抗鸟撞能力。

Abstract

Hollow sandwich blades are widely used in aero-engine design because of both lightweight and energy-absorbing properties. In this paper, the effect of four different lattice configurations on the bird strike resistance of the equivalent simulated parts of the infilled blade is investigated. The equivalent stiffness of the four lattice configurations is given by homogenization method. Then the lattice-filled curved plate model is established based on the modeling method of shape-following adaptive lattice-filled structure, and the lattice-filled curved plate structure is manufactured by 3D printing for bird strike tests and numerical simulations. Finally, the bird strike resistance of four different lattice-filled curved plate was analyzed from the viewpoint of deformation and energy absorption, and BCC has better resistance to both deformation in z-direction and in-plane y-direction creases and better energy absorption than other types of structures. Therefore, BCC has better bird strike resistance.

导出引用

阎军1,2, 张晨光1, 赛音夫1, 王福浩1, 霍思旭1, 柴象海3,4, 阎琨5. 点阵构型对夹层结构抗鸟撞性能的影响[J]. 振动与冲击, 2024, 43(1): 212-217

YAN Jun1,2, ZHANG Chenguang1, SAI Yinfu1, WANG Fuhao1, HUO Sixu1, CHAI Xianghai3,4, YAN Kun5. Effects of lattice configuration on anti-bird impact performance of sandwich structures[J]. Journal of Vibration and Shock, 2024, 43(1): 212-217

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