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中文摘要：
金属夹芯结构具有质量轻、吸能良好和抗冲击等优点,被广泛用于船体板架设计.在金属夹芯结构形状设计方面,不同形状的金属夹芯结构的抗冲击性能有着很大的差异.针对三种不同的金属夹芯形状,采用有限元软件ABAQUS, 模拟三种金属夹芯结构的抗冲击性能.通过对比三种形状的夹芯面板中心位移以及速度的变化规律,发现对于质量相同的夹芯结构,三边形夹芯结构具有更强的抗冲击性能.另外,研究不同金属夹芯结构能量时历曲线,得出六边形夹芯结构在吸能效果方面最好.
英文摘要：
The metal sandwich plate structure has been widely applied in the design of hull grillage due to the advantages of light quality, good energy absorption, and impact resistance etc. However, the metal sandwich structures with different shape design differ a lot in their shock resistance. The shock resistances of the metal sandwich structures with three different shapes are simulated by ifnite element software ABAQUS. By comparing the center displacement and variation of the speed of the three shapes of sandwich panel with the same mass, the trilateral sandwich structure has better resistance to impact. Moreover, the hexagon sandwich structure behaves the best in the energy absorption effect by examining the energy time history curve of the different metal sandwich structures.
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