期刊论文

Study on enhanced fragmentation effects of bottom air-decked charge

中文

工程爆破

1006-7051

2023

29

4

43-51

10.19931/j.EB.20210318

国家自然科学青年基金资助项目(51508038)。

本校为第一机构

为研究孔底空气间隔装药增强破碎作用,基于激波管原理以及应力波在不同介质的反射与透射理论,对孔底空气间隔装药结构对应5个反射与透射面上应力波的传播作用过程进行了详细分析。采用ANSYS/LS-DYNA有限元分析软件,对连续...展开更多 为研究孔底空气间隔装药增强破碎作用,基于激波管原理以及应力波在不同介质的反射与透射理论,对孔底空气间隔装药结构对应5个反射与透射面上应力波的传播作用过程进行了详细分析。采用ANSYS/LS-DYNA有限元分析软件,对连续装药结构以及不同空气层比例的孔底空气间隔装药结构进行数值模拟分析,数值模拟结果与理论分析相符。以孔底岩石能够出现明显的多个加载卸载过程...

In order to study the enhanced fragmentation effects of the bottom air-decked charge.Firstly,the propagation process of stress waves on the 5 reflection and transmission surfaces were analyzed in detail,based on the principle of shock tube and the theory of reflection a...MORE In order to study the enhanced fragmentation effects of the bottom air-decked charge.Firstly,the propagation process of stress waves on the 5 reflection and transmission surfaces were analyzed in detail,based on the principle of shock tube and the theory of reflection and transmission of stress wave in different media.Se...