Abstract
A new shaped charge annular cutter structure is put forward, and the process of annular jet formation and penetration into double plates is simulated by using ANSYS/LS-DYNA software. The kinematic characteristic of annular jet in the air is analysed. The damage effect on the plates is got. The simulation results show that an intilted phenomenon exists on the forming process of annual jet, and the annular jet is stretched into several annular penetrators after penetrating the upper plate. The annular jet formed by annular cutter shaped charge in the paper can realize effective penetration into double plates, and the results can provide reference for the design of tandem warhead front shaped charge.
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