本文目的旨在測試外部有無安裝具吸能結構之木箱，內部適當包裝貨物後當遇緊急煞車，所受衝擊之表現。為能夠降低因煞車時撞擊而產生損傷之風險，將生活中使用於汽車、航空工業等之吸能結構，結合木箱進而達到保護箱內貴重設備，本文採用CNS規定常用木箱搭配以鋁合金AA6060T4為材料之吸能結構組合。
在動態數值分析部分，利用商業有限元素軟體LS-DYNA進行薄管元件結合木箱模型使用explicit solver模擬受軸向衝擊後之數值分析，邊界條件則參考美國國家公路交通安全管理局NHTSA貨物車輛之煞車系統的技術報告及美國汽車工程師協會SAE煞停距離，不同時速在乾燥或潮溼的路面透由計算可預估出大型貨車平均減速度，分析比較發現當受到碰撞時，在一般包裝用木箱上採用本研究所設計之方形吸能結構，測得木箱約可減少78%受力、能量衝擊及最大加速度，內部裝備承受G力則由最大62.36G降至約9.55G，即可滿足美軍要求精密儀器僅可承受15至24個G的易碎條件，降低裝備因運輸過程中導致損壞之風險因子。

The main purpose of this research is to study the shock-absorbing performance of a wooden crate with an aluminum alloy thin-walled tube installed on the outside after properly packing the equipments. The cubic energy absorption element such as aluminum thin tube is used as a buffer device to achieve energy absorption to keep wooden crate from damage, and protect high-priced military product inside of crate.
In the part of dynamic collision analysis, a commercial finite element software—LS-DYNA is used to combine thin tube elements with a wooden crate model, and use the explicit code to simulate the numerical analysis after being collided from axial impact. The boundary conditions refer to the NHTSA technical report and SAE journals, the average deceleration of large trucks can be estimated by calculation at different speeds and road conditions. After analysis and comparison, it is found that when a collision is received, the square energy-absorbing structure designed by this research is used on the wooden box for general packaging. It is measured that the force, energy impact and maximum acceleration of the wooden box can be reduced by about 78% When installed, the G force of the internal equipment can be reduced from a maximum of 62.36G to about 9.55G, which can meet the requirements of the US military (15 to 24 G), reducing the risk factor of equipment damage due to transportation.

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