畅博,谷鸿平,牛晨伟,吕永柱,敬怡东

• 1:西安近代化学研究所

摘要(Abstract)：

为研究运动炸药近地爆炸冲击波场分布特性,运用AUTODYN软件对不同运动速度炸药近地爆炸过程进行数值仿真,地面超压峰值仿真结果与等效经验公式计算值符合程度较好。通过对扰动压力场、爆炸初始压力场以及地面特征位置峰值超压的对比分析,得到炸药运动速度对近地爆炸冲击波场分布的影响规律。研究结果表明:炸药运动速度对地面冲击波峰值超压有增益作用,随着炸药运动速度的增加该增益作用增强;炸药运动速度对地面峰值超压的增益作用随比例距离的增加逐渐减弱,3倍比例距离外可认为无明显差异。

关键词(KeyWords)： 近地爆炸;运动炸药;冲击波场;爆炸力学;数值计算

Abstract:

Keywords:

基金项目(Foundation): 装备发展部预先研究项目

作者(Author): 畅博,谷鸿平,牛晨伟,吕永柱,敬怡东

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