海军航空大学学报2024，Vol.39Issue(1)：159-166,8.DOI:10.7682/j.issn.2097-1427.2024.01.009
轻质量低成本无人机舵面结构优化与验证
Optimization and Verification of Lightweight Low-Cost UAV Rudder Structure
摘要
Abstract
Composite honeycomb sandwich structures are widely used in aircraft structures due to their high specific strength,specific modulus and designability.A lightweight and low-cost rudder structure scheme is proposed to increase the shear modulus by increase the density of the honeycomb core,thereby reducing the stress level of the composite panel and reducing the thickness of the panel.The rudder structure is designed and the optimization scheme is verified through finite element simulation calculation and experiment.Firstly,according to the shear modulus theory of honeycomb core,the honeycomb density that improves the shear modulus of honeycomb is selected.Secondly,finite element calculation and analysis are carried out on the structure,and it is found that the stress level of the skin decreases significantly with the increase of the shear modulus of the honeycomb core.Finally,honeycomb sandwich structures with different honeycomb core densities are designed for testing.The test results show that the denser the honeycomb core is,the higher its typical mechanical properties are,and the higher its residual strength after impact is.Both numerical simulation and experimental results verify the feasibility of this lightweight and low-cost UAV rudder structure optimization scheme.关键词
蜂窝夹芯结构/复合材料/飞机减重/舵面Key words
honeycomb sandwich structure/composite material/aircraft weight reduction/rudder分类
航空航天引用本文复制引用
谢睿,郝银凤,刘斌..轻质量低成本无人机舵面结构优化与验证[J].海军航空大学学报,2024,39(1):159-166,8.基金项目
国家自然科学基金(51902256) （51902256）
航空科学基金(2020Z057053002) （2020Z057053002）
