由於現在飛行中的飛機被鳥類擊中的可能性仍不可避免，所以飛機在遭受鳥擊後仍可安全飛行的能力是很重要的。因此本文以飛機本體受到鳥類的撞擊時，機身結構的受損情況與受到撞擊後是否可安全的飛行為討論的主題。
　　Wilbeck在1978年證實可以液體動力學的特性來描述鳥類在受到高速撞擊時的行為與軟質凝膠替代真鳥做實驗的可行性，因此本研究先對液體動力學做簡述，並在商用有限元素軟體LS-DYNA中用液體動力學材料來模擬鳥類模型，透過Largrangian、Eulerian、ALE與SPH分析法模擬鳥擊的行為。經由衝擊體外型變形、可變形黃銅板受衝擊時的應變與剛體板受到撞擊時板上到的壓力值三項實驗驗證液體動力學以及LS-DYNA應用到鳥擊問題上的適用性。
　　進一步利用LS-DYNA有限元素軟體依據FAR §25.571 的鳥擊規定對目前麥道公司所生產MD-80的發動機掛架進行分析，並探討其結構受到鳥類撞擊時的損害情況。

　　Because the possibility of bird strikes on an inflight aircraft can not be avoided nowadays, the ability to continue flying safely after bird strikes is very important to aircrafts. So this work mainly discusses the damaged structure of an inflight aircraft which is impacted by a bird. In addition, it is also checked that the airplane after bird-strike has the capability to fly safely.
　　Wilbeck verified that the Hydrodynamics can be used to describe the behavior of the bird suffering high speed impact and the soft gelatin can substitute a real bird for projectiles in the experiences. So the characteristics of Hydrodynamics are introduced and applied into FEM simulation software, LS-DYNA, in this work. The Lagrangian、Eulerian、ALE and SPH analysis formulation are available to simulate the bird striking on the structures with the material property of Hydrodynamics. After that, the experiences of the deformation of projectile、the strain response of a deformable brass plate and the pressure on the rigid plate while suffering soft material impact have been done to show great agreement with simulations. Those experiences also demonstrate that the Hydrodynamics material property is suitable to the bird impacted with high velocity and it is reasonable and evidenced to simulate bird-strikes situation with LS-DYNA.

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