机电工程技术2025，Vol.54Issue(13)：59-63,5.DOI:10.3969/j.issn.1009-9492.2025.13.009
基于ANSYS的无人机机翼裂纹损伤分析
Analysis of Wing Crack Damage in UAV Based on ANSYS
摘要
Abstract
As the main load-bearing structure of fixed wing unmanned aerial vehicles,the cracks caused by fatigue damage on the wings directly affect the structural reliability and flight safety of the unmanned aerial vehicles.In order to study and analyze the damage situation in the high stress area of the drone wing,a three-dimensional model of the drone wing is first established using CATIA.Then,the aerodynamic calculation and structural strength analysis of the drone wing structure are carried out using ANSYS finite element software,and the stress distribution cloud map of the wing structure is obtained.And separate surface cracks of different sizes are set at two different positions where the wing ribs and wing beams are connected,and the relationship between the crack size and stress intensity factor at these two different positions is calculated.Then,based on the comparison of stress intensity factor values at different positions of the crack leading edge of the drone wing rib,the influence of the high stress area connecting the wing rib and the wing beam on the later propagation direction of cracks of different sizes is analyzed.It is pointed out that the crack near the aileron beam would be more dangerous at the connection position between the wing rib and the wing beam.The research results can provide important ideas for the damage tolerance design of the wing structure of the drone.关键词
无人机/ANSYS/有限元/表面裂纹/应力强度因子Key words
UAV/ANSYS/finite element analysis/crack/stress intensity factor分类
航空航天引用本文复制引用
徐咏梅,孙晓强..基于ANSYS的无人机机翼裂纹损伤分析[J].机电工程技术,2025,54(13):59-63,5.基金项目
2023年广西高校中青年教师科研基础能力提升项目(2023KY1585) （2023KY1585）
广西安全工程职业技术学院2022年度研究成果(GAZY2022KYB010) （GAZY2022KYB010）
