飞机全尺寸风挡抗鸟撞击实验研究  

Experimental Study of a Full-Scale Aircraft Windshield Subjected to Bird Impact

作　　者：朱书华[1] 童明波[1] 彭刚 徐焜[3] 

机构地区：[1]南京航空航天大学飞行器先进设计技术国防重点学科实验室,南京210016 [2]江西洪都航空工业集团有限责任公司,南昌330024 [3]电子科技大学空天科学技术研究院,成都610054

出　　处：《实验力学》2009年第1期61-66,共6页Journal of Experimental Mechanics

摘　　要：采用高速摄像系统和数据测量采集系统,详细研究了鸟撞某型号飞机全尺寸风挡的动态响应全过程,分析了风挡撞击后的破坏模式,得到了风挡抗鸟撞击的临界速度及结构关键点的位移、应变时程曲线等重要数据。通过分析高速摄影照片,提出了用于鸟撞风挡数值仿真分析的鸟体形状模型。所获结果可为建立合理的鸟撞风挡有限元模型提供实验依据及验证实例。This paper presents an experimental study of bird impact on a full-scale aircraft windshield. Whole dynamic response process of bird impact on windshield was studied by using a high speed video camera system and a data measuring and collecting system. Comprehensive discussion was Carried out about bird and windshield deformation, as well as the windshield damage mode. Based on experimental results, the critical valoeity of windshield resisting impact, the curves of displacementtime and strain-time on windshield key points were obtained. Additionally; a valid bird shape model for dynamic simulation of bird impact on an aircraft windshield was proposed based on the analysis of images taken by high speed video camera. Some valuable conclusions were obtained from above results, which may afford experimental evidence for establishing a reasonable finite element model describing bird impact on aircraft windshield.

关 键 词：风挡 鸟撞 实验研究 动力响应 有限元模型 

分 类 号：O347.3[理学—固体力学]