In order to study the damage performance of micro-shaped charge with different materials, the AUTODYN finite element software was used to simulate the formation process of damage element and the penetration performance of micro-shaped charge to target when the liner material was copper, Teflon and nylon. The results show that although the head velocity of the damage element formed by the copper liner is the smallest, the penetration depth to the target is the deepest, and that of the nylon liner is the largest, but the penetration depth to the target plate is the smallest. The head velocity of the damage element formed by the Teflon material liner and the penetration depth to the target are between the two.
In order to improve the reaction armor protection, this paper armours of interlayer charge and the thickness of the steel plate and charging ratio analysis, based on the reaction between armor and jet interaction, established the reactive armor and shaped charge of finite element model, using AUTODYN software, adopt the method of fluid-structure interaction for numerical simulation research. The results show that compared with other explosives, CL-20 has an ideal interference effect on jet flow. In the designed structure, the reactive armor with a steel plate thickness of 4 mm and a charge thickness of 8mm achieves the best protective performance.
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