This paper presents results of numerical simulation of the interaction of elongated cylindrical steel projectiles with concrete barriers. Problems are solved numerically, by the finite element method, in a three-dimensional formulation within the framework of the phenomenological approach to solid mechanics using the original EFES software package. The behavior of the steel projectile material is described by an elastic model. The deformation, damage, and cracking processes of concrete are studied using the JH-2 model, which can account for high strains, high strain rates, and high pressures in the material. The employed calculation algorithm takes into account the formation of discontinuities in the material and the fragmentation of solids with the formation of new free surfaces. The study also addresses the influence of reinforcement on the concrete damage and failure dynamics in certain structures.
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Radchenko, P.A. Influence of Reinforcement and Attack Angle on the Destruction of a Concrete Barrier Under a High-Speed Impact. Russ Phys J 65, 2224–2230 (2023). https://doi.org/10.1007/s11182-023-02894-4
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DOI: https://doi.org/10.1007/s11182-023-02894-4