Journal of the Korea Institute of Military Science and Technology (한국군사과학기술학회지)

The Korea Institute of Military Science and Technology (한국군사과학기술학회)
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Numerical Simulations of the Normal Perforation Behavior by Penetrator without AOA into Steel Reinforced Concrete Targets

철근강화콘크리트에 대한 받음각이 없는 관통자의 수직관통거동 전산해석

  • Received : 2013.02.04
  • Accepted : 2013.04.26
  • Published : 2013.06.05
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Abstract

The simulation of the ballistic trajectory of penetrator into the spaced multi-layer RC targets is very important to predict the hitting condition in subsequent target. Because of perturbation by lateral load of penetrator caused by asymmetric hitting position between penetrator and steel bar reinforcement, penetrator rotates and deviates from the straight path. Therefore, penetration capability of penetrator is decreased in the subsequent targets. This paper presents the result of the penetration of steel-bar-reinforced concrete target by using the explicit finite element code LS-DYNA. A series of computations is performed and compared to experimental data and the computed results are in good agreement with the experimental results over a wide range of velocities. And then we conduct the simulation according to various RC target hitting condition and impact velocities.

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References

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  1. Numerical Study on Variation of Penetration Performance into Concrete with Reinforcement Modeling Methods vol.25, pp.3, 2016, https://doi.org/10.9709/JKSS.2016.25.3.097