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Improvement of numerical methods for crash analysis in future composite aircraft design

机译:未来复合材料飞机设计中碰撞分析数值方法的改进

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摘要

Recent aircraft as well as rotorcraft design technologies include more and more composite materials. Their high mechanical characteristics and high mass specific energy absorption capability motivate their use in large primary structures as well as in sub-floor structural and crashworthy components in preference to metals. Due to the increased performance of computers and new explicit finite element (FE) software developments Industry now considers using crash simulation technologies to study the crashworthiness of new aircraft Design.
机译:最近的飞机以及旋翼飞机设计技术包括越来越多的复合材料。它们的高机械特性和高质量比能量吸收能力促使它们在大型初级结构以及次于地板的结构和耐撞组件中的使用优于金属。由于计算机性能的提高和新的显式有限元(FE)软件的发展,工业界现在考虑使用碰撞模拟技术来研究新飞机设计的耐撞性。

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