论文部分内容阅读
根据飞机设计原则和相关适航条例,航空轮胎爆裂所产生的高速轮胎碎片是在航空结构设计中必须考虑的一种严重威胁。在冲击速度一定的条件下,大尺寸轮胎碎片往往具有比小尺寸碎片更严重的危害。针对两种航空铝合金材料,首先通过试验得到了两种材料的基本力学性能,然后通过有限元方法计算了两种材料的飞机壁板抵抗大尺寸轮胎碎片冲击的动态响应,并对两种材料的抗冲击性能进行了对比分析。结果表明:AL01型铝合金具有更优的抗冲击性能。
According to the principles of aircraft design and related airworthiness regulations, high-speed tire debris from the burst of aviation tires is a serious threat that must be considered in the design of aeronautical structures. Large-size tire chips tend to have more serious damage than small-size chips at a constant impact speed. For the two kinds of aviation aluminum alloy materials, the basic mechanical properties of the two materials were obtained through experiments. Then the dynamic responses of the two kinds of aircraft’s aircraft panels against the impact of large-sized tire fragments were calculated by the finite element method. The impact resistance of a comparative analysis. The results show that: AL01 aluminum alloy has better impact resistance.