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|Computer simulation of shaped charge detonation using meshless particle method
Smoothed particle hydrodynamics
|Liu, M.B.,Liu, G.R.,Lam, K.Y.,Zong, Z. (2003-09). Computer simulation of shaped charge detonation using meshless particle method. Fragblast 7 (3) : 181-202. ScholarBank@NUS Repository. https://doi.org/10.1076/frag.18.104.22.16889
|Shaped charges are widely applied in the defense industry and civil engineering for penetrating hardened targets. Simulations of shaped charges are generally based on traditional grid-based numerical methods. Different from the existing literature, the SPH method is applied in this paper to simulate the detonation process of shaped charge explosive. The combination of the meshless, Lagrangian and particle nature inherent in the SPH method is very attractive in dealing with large deformations and large inhomogeneities in extremely transient situations such as detonation process. The SPH method and some related numerical aspects are briefly discussed first, followed by applications in simulating shaped charge detonations. The effects of different detonation cavity angles and different charge head lengths are investigated. The results demonstrate that major shaped charge detonation phenomena are captured with revealing observations.
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