Modeling and Simulation on the Rotating Band Engraving Process of 23 mm Projectile

Q4 Engineering Advances in Military Technology Pub Date : 2021-12-20 DOI:10.3849/aimt.01521
Minh Do V., S. X, Huong Nguyen V.
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引用次数: 1

Abstract

Dynamic engraving process of 23 mm projectile was studied using numerical simulation. A finite element model of projectile and barrel during the engraving process was constructed, and the deformation process of the driving band, the displacement parameters of the projectile, the force interaction between the projectile and the barrel were determined. To evaluate the simulation model, a semi-static experiment was carried out on an MTS-810 universal testing machine with a cross-head speed of 20 mm min−1. The simulation results show that the mechanism of the 23 mm projectile rotating band engraving process is the plastic deformation process of the rotating band material, engraving time is 1.12 m s, and the projectile velocity after engraving is 105 m s−1. The simulation results reflect the actual rotating band engraving process, which is very distinct from the assumptions used in the classical ballistic model. This work provides an approach to investigating the interior ballistic processes considering the dynamic engraving of rotating bands.
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23mm弹丸旋转带雕刻过程的建模与仿真
采用数值模拟方法研究了23mm弹丸的动态雕刻过程。建立了弹丸和枪管在雕刻过程中的有限元模型,确定了驱动带的变形过程、弹丸的位移参数、弹丸与枪管之间的力相互作用。为了评估模拟模型,在十字头速度为20 mm min−1的MTS-810通用试验机上进行了半静态实验。仿真结果表明,23mm弹丸旋转带雕刻过程的机理是旋转带材料的塑性变形过程,雕刻时间为1.12m/s,雕刻后的弹丸速度为105m/s−1。模拟结果反映了实际的旋转带雕刻过程,这与经典弹道模型中使用的假设非常不同。这项工作为研究考虑旋转带动态雕刻的内弹道过程提供了一种方法。
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来源期刊
Advances in Military Technology
Advances in Military Technology Engineering-Civil and Structural Engineering
CiteScore
0.90
自引率
0.00%
发文量
11
审稿时长
12 weeks
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