Journal of Projectiles, Rockets, Missiles and Guidance

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Numerical Simulation of Debris Cloud Characteristics Behind EFP Projectile Target

SU Fazhang, JI Gongxiang, JING Tong, YANG Baoliang, MENG Fangao, YANG Tianwei, ZHAO Taiyong, WANG Weizhan

JPRMG, 2024, 44(4): 33-45. DOI: 10.15892/j.cnki.djzdxb.2024.04.005

Fig.1 X-ray imaging of EFP projectile and comparison of simulated projectile

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Fig.2 Finite element model of EFP simulated projectile and target plate
Fig.3 Conversion process of FEM-SPH coupling algorithm
Table 1 Material parameters of projectile and target plate
Fig.4 Diagram of materials for test preparation
Fig.5 Comparison of penetration simulation and test results at 1 300 m/s
Table 2 Simulation and test results
Fig.6 Debris cloud forming process
Fig.7 Observation point setting and stress change curve of projectile target
Fig.8 Propagation process of shock wave in projectile target
Fig.9 Effects of EFP simulated projectile penetration at different sizes
Table 3 Simulation results of penetration of projectiles of different sizes
Fig.10 Variation curve of projectile fragment cloud expansion distance with different sizes
Fig.11 Results of EFP simulated projectile penetration at different velocity
Fig.12 Variation curve of projectile fragment cloud expansion distance with different sizes
Fig.13 Residual mass change curve with target velocity
Fig.14 Results of red copper EFP simulated projectile penetration
Fig.15 Effects of nickel alloy EFP simulated projectile penetration
Fig.16 Visual section of target plates of different materials
Fig.17 Comparison of parameters of red copper and nickel alloy penetrating different target plates
Table 4 Results of radial expansion distance of debris cloud under different projectile density ratio
Fig.18 Variation curve of radial expansion distance of projectile and target material fragments

模态框（Modal）标题

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