Expansion limit estimation of pistol hollow point bullet penetrating the block of substitute material

Abstract eng:
The article presents a numerical model of expansion pistol hollow point bullet penetrating the block of simulator representing the organic material (tissue). The hollow point bullet has an expansion ability to increase its wound potential, but only in case of exceeding the specific limit impact velocity. The simulation using FEM system Ansys Autodyn v14 presents 2D results of estimation the bullet velocity limit for expansion occurrence based on experiments. Also the analysis and influencing factors of the penetration process are presented as well. The results obtained help to evaluate the bullet postpenetrating characteristics.

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