• Title/Summary/Keyword: 동충격해석

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A Study on the Dynamic Behaviors of a Shipping Container Under Drop Impact Loading (낙하충격하중을 받는 방사성물질 수송용기의 동적거동에 관한 연구)

  • 이영신;김용재
    • Transactions of the Korean Society of Mechanical Engineers
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    • v.18 no.11
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    • pp.2805-2816
    • /
    • 1994
  • This paper describes dynamic finite element analyses performed to study the dynamic behaviors of a shipping container under the impact onto rigid target due to the accidental fall from the hight of 9 m. Using two and three dimensional techniques, the shipping container which gave the maximum damage, ten different drop orientations are considered ; at intervals of $5^{\circ}$ from $45^{\circ}$ to $90^{\circ}$ According to the present results, the orientation of the shipping container which gave the maximum damage is $85^{\circ}$ from horizontal for oblique drop in the primary impact. In the optimal design of the shipping container, the impact limiter material must be considered importantly because it's proper selection affects the weight and the manufacturing cost of the shipping container. The analysis of the shipping container in this paper demonstrated that the shipping container is structurally sound relative to the regulatory drop test requirements.