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Research on the Fragment Impact Resistance of a Composite Mast

Research on the Fragment Impact Resistance of a Composite Mast
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摘要 Due to the unique structural mode and material property of a composite sandwich plate, related research such as fragment impact resistance of a composite mast is short of publication and urgent in this field. In this paper, the commonly accepted sandwich core board theory was modified. Damage caused by a fragment attack was simulated onto a sandwich plate model built with solid and shell elements. It was shown that shear failure and vast matrix cracking are the main reasons for outer coat damage, and tension failure and partial matrix cracking are the cause for inner coat damage. Additionally, according to complexities in actual sea battles, different work conditions of missile attacks were set. Ballistic limit values of different fragment sizes were also obtained, which provides references for enhancing the fragment impact resistance of a composite mast.
出处 《Journal of Marine Science and Application》 2011年第3期300-305,共6页 船舶与海洋工程学报(英文版)
基金 Supported by the Research-in-advance Foundation of Naval Armory under Grant No.401030101 the National Defense Science and Technology Cooperation Foundation(2007DFR80340) Research-in-advance Foundation of National Defense Science and Technology in Shipbuilding Industry(07J1.1.6)
关键词 composite mast sandwich plate fragment impact ballistic limit 耐冲击性 复合 桅杆 基体开裂 导弹攻击 固体壳单元 结构模式 模型模拟
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