The paper describes several innovative designs for a bird strike resistant composite leading edge for a Horizontal Tail Plane of an aircraft. These designs were based on a novel application of composites with high energy-absorbing characteristics: the tensor-skin concept. This paper describes the development of this energy-absorbing concept and its application to an impact resistant aircraft structure. The design philosophy, the fabrication and test of the first prototypes are discussed. Three improved leading edge structures with different energy-absorbing tensor concepts were manufactured. Bird-strike tests on these leading edges with a 4 Ib synthetic bird at impact velocities around 100 m/s were performed. FE models were developed to simulate the unfolding of the tensor ply. Before each test was carried out, pre-test bird impact simulations were used to determine the impact test parameters and to predict the dynamic behaviour and failure mode of the structure.
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机译：本文介绍了用于飞机水平尾面的鸟撞击复合前缘的几种创新设计。这些设计基于具有高能量吸收特性的复合材料的新应用：张皮皮肤概念。本文介绍了这种能量吸收概念的发展及其在抗冲击飞机结构中的应用。讨论了设计理念，讨论了第一原型的制造和测试。制造了具有不同能量吸收张量概念的三种改进的前缘结构。在大约100 m / s的冲击速度下，使用4IB合成鸟类的这些前边缘的鸟类撞击测试。开发了FE模型以模拟张量的展开。在进行每个测试之前，使用预测试鸟类影响模拟来确定影响测试参数并预测结构的动态行为和故障模式。
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