Abstract
In order to study the ability of the target plate in the fortification to resist the penetration of the front-stage shaped jet of the tandem warhead, four common target materials of ceramic, reinforced concrete, steel fiber reinforced concrete and high-strength steel were selected as the target plate, and the finite difference software LS-DYNA was used. Software to carry out numerical simulation research on metal jet penetration into single/composite target plate. The research results show that when the structure of the shaped charge is the same, the jet penetration resistance of the four target materials is high-strength steel, ceramics, steel fiber reinforced concrete, and reinforced concrete in descending order; the C40 national military standard reinforced concrete target is used as a reference. The jet penetration depth of the composite target is reduced by 28%; due to the consumption of jet energy by multiple pit opening and high-strength interlayer materials, the jet penetration resistance of the composite target with the same thickness is better than that of a single.
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