铝蜂窝夹芯结构爆炸罐动力响应研究

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振动与冲击 ›› 2021, Vol. 40 ›› Issue (17) : 222-228.

论文

铝蜂窝夹芯结构爆炸罐动力响应研究

王震1，顾文彬1，原奇2，陈姮1，郝礼楷1,3

作者信息 +

Dynamic response of anti-explosion vessel with aluminium honeycomb sandwich structure

WANG Zhen1, GU Wenbin1, YUAN Qi2, CHEN Heng1, HAO Likai1,3

Author information +

文章历史 +

摘要

铝蜂窝芯具有良好的变形能力、优异的力学性能和缓冲吸能效果，在爆炸罐大当量化的应用方面展现出巨大的优势。结合单层爆炸罐试验和仿真计算结果，得出单层罐在爆炸荷载作用下的最薄弱位置，验证了数值模型的可靠性；基于此提出了一种内衬可滑动的钢板-铝蜂窝芯-钢板复合多层爆炸罐的结构设计，建立了复合多层罐的细观模型，并对其在承受爆炸荷载作用时的变形破坏过程进行了数值模拟。研究表明，单层爆炸罐的仿真计算结果与试验值基本吻合，端盖由于三波的汇聚使其承受荷载最大；铝蜂窝芯内衬的变形过程与能量的耗散同时进行，是耗能的主要途径；蜂窝芯内衬使爆炸罐获得了更好的抗爆能力，成功使1 000 g的TNT炸药量下复合罐的S1测点的应变值小于150 g的TNT单层罐的S1测点的应变值，该研究可为工程设计提供参考。

Abstract

As the aluminium honeycomb core has good deformation ability, excellent mechanical properties and cushioning energy-absorbing effect, so it has shown great advantages in application of large-scale explosion vessel.Here, combining test and simulation results of single-layer explosion vessel, the weakest position of single-layer explosion vessel under the action of explosion load was obtained to verify the reliability of the numerical model.Then, a designed of steel plate-aluminium honeycomb core-steel plate composite multi-layer explosion vessel with sliding lining was proposed, and its meso model was established.Numerical simulation and energy analysis were performed for its deformation and failure process under explosion load.The results showed that simulation results of single-layer explosion vessel verify test values, and its end cover bears the maximum load due to three-wave gathering; deformation process of aluminium honeycomb core lining and energy-dissipating proceed simultaneously, it is the main way of energy-dissipating; aluminium honeycomb core lining makes explosion vessel obtain a better anti-explosion ability, and its strain value under 1 000 g explosive charge is less than that of 150 g single-layer vessel; the study results can provide a reference for engineering design.

导出引用

王震，顾文彬，原奇，陈姮，郝礼楷. 铝蜂窝夹芯结构爆炸罐动力响应研究[J]. 振动与冲击, 2021, 40(17): 222-228

WANG Zhen, GU Wenbin, YUAN Qi, CHEN Heng, HAO Likai. Dynamic response of anti-explosion vessel with aluminium honeycomb sandwich structure[J]. Journal of Vibration and Shock, 2021, 40(17): 222-228

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