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徐文龙 , 王成 , 徐斌 . 超聚能射流形成过程机理研究 [J ] . 兵工学报 , 2018 , 39 ( 2 ): 261 - 268 . DOI: 10.3969/j.issn.1000-1093.2018.02.007 http://doi.org/10.3969/j.issn.1000-1093.2018.02.007 提出一种超聚能射流形成的理论计算方法，给出了附加装置材料密度、厚度和药型罩锥角、密度、厚度与超聚能射流速度、有效质量之间的关系。基于非线性显式动力学分析软件AUTODYN，进行了超聚能射流形成过程数值模拟，其结果与理论计算结果基本一致。通过超聚能射流侵彻试验，证明试验结果与数值模拟结果吻合较好。研究表明：在一定范围内，随着药型罩锥角的增大，超聚能射流速度逐渐减小、质量逐渐增大；超聚能射流速度、有效质量及侵彻能力远大于传统聚能射流。

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张昊 , 王海福 , 余庆波 , 等 . 活性射流侵彻钢筋混凝土靶后效超压特性 [J ] . 兵工学报 , 2019 , 40 ( 7 ): 1365 - 1372 . DOI: 10.3969/j.issn.1000-1093.2019.07.005 http://doi.org/10.3969/j.issn.1000-1093.2019.07.005 为研究活性射流侵彻钢筋混凝土靶后效超压效应，采用实验、理论与数值仿真相结合的方法，开展了活性药型罩聚能装药作用钢筋混凝土靶后效超压特性研究。实验结果表明，在聚能装药结构一定条件下，低密度活性射流较高密度活性射流对钢筋混凝土靶的侵彻孔径更大，穿靶后在密闭空间内爆燃产生的冲击波峰值超压更高，且超压-时间曲线呈现出多峰现象。引入虚拟爆炸点的方法，建立了活性射流靶后爆燃超压与高能炸药爆炸等效分析模型，结合AUTODYN-3D有限元分析，得出模型预测的后效超压-时间曲线与实验结果吻合较好，揭示了活性射流在靶后密闭空间内爆燃超压传播规律及多峰现象。

ZHANG H , WANG H F , YU Q B , et al . Aftereffect overpressure of reactive jet perforating into reinforced concrete [J ] . Acta Armamentarii , 2019 , 40 ( 7 ): 1365 - 1372 . (in Chinese) DOI: 10.3969/j.issn.1000-1093.2019.07.005 http://doi.org/10.3969/j.issn.1000-1093.2019.07.005 In order to investigate the aftereffect overpressure characteristics of reactive jet penetrating into reinforced concrete, the experimental, theoretical and numerical simulation methods are used to study the aftereffect overpressure characteristics of reactive liner shaped charge against reinforced concrete. Experimental results show that, for the same shaped charge configuration, the low density reactive jet produces a larger diameter penetration hole on the reinforced concrete and a higher peak overpressure in a closed space compared with the high density reactive jet, and the overpressure-time curves reveal multi-peaks phenomenon. An equivalent model for aftereffect deflagration overpressure of reactive jet and high explosive explosion is developed by using the virtual explosion point method.AUTODYN-3D finite element analysis shows that the predicted aftereffect overpressure-time curves are well agreement with the experimental results, and the propagation characteristics and multi-peaks phenomenon of reactive jet in the closed space are also revealed. Key

苏成海 , 王海福 , 谢剑文 , 等 . 活性射流作用混凝土靶侵彻与爆炸效应研究 [J ] . 兵工学报 , 2019 , 40 ( 9 ): 1829 - 1835 . DOI: 10.3969/j.issn.1000-1093.2019.09.008 http://doi.org/10.3969/j.issn.1000-1093.2019.09.008 为分析活性药型罩配方、炸高对混凝土靶毁伤威力影响规律，开展了活性射流作用混凝土靶侵彻与爆炸联合毁伤效应研究。采用实验和数值模拟相结合的方法，对活性射流作用混凝土靶的典型毁伤模式进行探究，给出了配方与炸高对毁伤效应的影响特性。实验结果表明：活性射流作用下，混凝土靶呈现为显著的锥形爆坑和裂纹毁伤效应；气体产物量较高配方的活性射流对混凝土靶产生更强的毁伤效应；在1倍装药直径炸高下，炸坑直径可达10倍装药直径以上。基于有限元分析软件AUTODYN-3D平台开展了活性射流对混凝土靶侵彻与爆炸行为的数值模拟，揭示了炸高对毁伤效应的影响机理：随着炸高的增大，进入侵坑内部的活性材料随之减少，活性射流对混凝土的侵彻深度呈现先增大、后减小的趋势；当炸高为1倍装药直径时，活性射流动能侵彻与爆炸反应延迟匹配较好，侵彻与爆炸联合毁伤威力较强。数值模拟结果与实验结果吻合较好。

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DOU J H , JIA X , HUANG Z X , et al . Theoretical study of the jet formation of a shaped charge liner driven by strong electromagnetic energy [J ] . IEEE Transactions on Plasma Science , 2019 , 47 ( 12 ): 5283 - 5290 . DOI: 10.1109/TPS.27 http://doi.org/10.1109/TPS.27 https://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=27 https://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=27

DOU J H , JIA X , HUANG Z X , et al . Theoretical and numerical simulation study on jet formation and penetration of different liner structures driven by electromagnetic pressure [J ] . Defence Technology , 2021 , 17 ( 3 ): 846 - 858 . DOI: 10.1016/j.dt.2020.05.016 http://doi.org/10.1016/j.dt.2020.05.016 The use of a shaped liner driven by electromagnetic force is a new means of forming jets. To study the mechanism of jet formation driven by electromagnetic force, we considered the current skin effect and the characteristics of electromagnetic loading and established a coupling model of “Electric–Magnetic–Force” and the theoretical model of jet formation under electromagnetic force. The jet formation and penetration of conical and trumpet liners have been calculated. Then, a numerical simulation of liner collapse under electromagnetic force, jet generation, and the stretching motion were performed using an ANSYS multiphysics processor. The calculated jet velocity, jet shape, and depth of penetration were consistent with the experimental results, with a relative error of less than 10%. In addition, we calculated the jet formation of different curvature trumpet liners driven by the same loading condition and obtained the influence rule of the curvature of the liner on jet formation. Results show that the theoretical model and the ANSYS multiphysics numerical method can effectively calculate the jet formation of liners driven by electromagnetic force, and in a certain range, the greater the curvature of the liner is, the greater the jet velocity is. © 2020 The Authors

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