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当水下目标遭受聚能装药射流打击时，尽管水的密度很低，但其表现仍象装甲一样，具有一定的厚度。另外，在射流的路径上也许还有一些其它物体会对射流的作用产生干扰（如钢板等）。因此，人们对能够减弱这种防护效果的战斗部设计极为关注。通过采用缩比模型来揭示象串联聚能装药这样的结构在对付水下目标时的潜在好处。给出了一个经数值模拟（ＨＵＬＬ编码）计算的缩比串联聚能装药结构。试验在陆地上进行，效果用放置在目标后的验证靶上的剩余穿深来表示，结果表明串联聚能装药比仅有主装药时的剩余穿深大９０％
When an underwater target is hit by a charged charge jet, its performance remains as armor-like, with a certain thickness, despite its low density. In addition, there may be other objects in the jet path that interfere with jet action (such as steel plates). Therefore, great attention has been paid to the design of warheads that can attenuate this protective effect. The potential benefits of underwater structures such as cascaded charges are revealed by the use of a reduction ratio model. A numerical simulation (HULL code) is given to calculate the ratio of cross-linked shaped charged charge structure. The test was carried out on land and the effect was expressed as the remaining penetration depth on the verification target placed behind the target. The results show that the tandem shaped charge is 90% deeper than the remaining charge only with the main charge,