Damage sensitivity of aircraft windshield to high-speed collisions caused by light drones at different positions

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Journal of Vibration and Shock ›› 2023, Vol. 42 ›› Issue (23) : 284-292.

LU Xiaohua1,ZHANG Zhuguo2,ZHANG Yingchun2,ZUO Hongfu1

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Abstract

The damage mechanism of high-speed collision between a typical light unmanned aerial vehicle (UAV) such as Phantom 4 Pro and different positions of a commercial aircraft windshield was studied with simulation method. The contact force variation in the whole process of high-speed collision and the coupled damage results caused by UAV rigid components sequentially impacting the target positions at typical moments were analyzed. Furthermore, the reason of damage severity difference at different positions of windshield wss investigated and explained with the view of energy absorption variation of multi-layer windshield glass and its surrounding fitted structure. The findings show that the middle area of the aircraft windshield is the weakest position of anti-impact, the concentrated mass components of UAV are the main source of impact damage, and the energy absorption amplitude of windshield glass has a positive correlation with the damage severity. The windshield of aircraft is still safe when airborne collision occurs in the UAV with a horizontal flight posture and the airworthy windshield with a cruising speed of aircraft. The results will provide a certain rational understanding and technical pre-research support for the emerging and more frequent safety hazards in air transport practice.

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LU Xiaohua1,ZHANG Zhuguo2,ZHANG Yingchun2,ZUO Hongfu1. Damage sensitivity of aircraft windshield to high-speed collisions caused by light drones at different positions[J]. Journal of Vibration and Shock, 2023, 42(23): 284-292

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