本文內容主旨是利用全尺寸碰撞實驗測試及電腦輔助模擬來分析進場跑道燈架的易損性，經由實驗與電腦模擬的結果，可以瞭解當飛機因人為因素或大自然因素，造成誤撞擊進場塔架時，塔架所產生的挫屈及損毀的模式，開發設計進場燈塔架來降低飛機機翼誤撞燈塔架所造成人員與飛機的傷害。本論文中所模擬的塔架是利用LS-DYNA3D有限元素分析軟體所建構的模型，分析的方法是配合實驗情況，機翼在三種不同的速度下（50、80和140km/hr），撞擊塔架（截面為正三角形）的尖端及側面，模擬的結果與全尺寸的實驗數據互相比對。除此之外，利用高速攝影機來記錄塔架在實驗過程中損壞的情形，用來比對電腦模擬塔架的動態損毀模式。

Analysis of the frangibility of airport approach lighting towers using both full-scale impact tests and computer simulation were performed in order to develop a better understanding of buckling and failure mode of he tower when struck by a representative aircraft. These data were necessary for the development of simplified requirements and test methods for the design of frangible structures, in order to minimize the impact hazard to aircraft. This thesis describes the model developed to simulate the impact properties of the tower using the LS-DYNA3D finite element analysis software. Three different velocities 50、80 and 140km/hr were used in combination with two different orientations of the tower to cause impact at the apex and on the side of the triangular cross section tower. The results obtained using this simulation were compared to the experimental results from full-scale tests. In addition, the tower dynamic behavior was compared to the high-speed video imagery to confirm failure mode predictions.

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