Based on the mechanism of explosive interaction between the armor and the jet,the present study aims to design a new structure for the reactive armor with a greater resistance against the jet interference, called multi-layered angle reactive armor with a variable angle.The effects of different armor structures and their response to the jet interference were investigated using numerical simulation,and the results were compared with the jet interference resistance capability of multi-layered reactive armor with different angles based on ANSYS/LS-DYNA.The resistance capability of the multi-layered reactive armor with a variable angle was measured based on the size of the trace of the jet penetration left on the jet-interference plate.The results of the comparative analysis showed that the jet interference resistance capability of W-shaped reactive armor is greater than that of V-shaped one,that of multi-layered reactive armor with a variable angle is the greatest when the angle of W-shaped armor is 22°.%基于爆炸式反应装甲与聚能射流的作用机理,致力于设计出对聚能射流干扰能力更强的新型结构的反应装甲,即多层变角度反应装甲.基于ANSYS/LS-DYNA软件,采用数值模拟的方法分析了不同结构的反应装甲对聚能射流的干扰作用,对比了不同夹角的多层变角度反应装甲对聚能射流的干扰作用,以聚能射流在后效板上留下的侵彻痕迹的尺寸为判定不同夹角的多层变角度反应装甲对聚能射流干扰作用的依据.对比分析结果表明:多层变角度反应装甲对聚能射流的干扰作用明显优于V形反应装甲,多层变角度反应装甲中平板装药之间的夹角α=22°时最有利于提高其对聚能射流的干扰能力.
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