IMECH-IR  > 流固耦合系统力学重点实验室
聚能装药线性射流形成的SPH数值模拟
Alternative TitleNumerical simulation of jet formation of linear-shaped charges using smoothed particle hydrodynamics
冯殿垒; 刘谋斌
Source Publication颗粒材料计算力学研究进展
2012-10-16
Pages634-645
Conference Name2012颗粒材料计算力学会议
Conference Date2012-09-17
Conference Place中国湖南张家界
Abstract光滑粒子动力学(smoothed particle hydrodynamics, SPH)是一种拉格朗日型无网格粒子方法,已经成功地应用于科学和工程的众多领域。本文首先应用SPH 方法模拟了一维TNT 板条爆轰过程,并且通过压力时空分布模拟结果与实验值、理论值的对比验证了本文计算结果的准确性。进而应用改进的SPH 方法模拟了金属铝射流的形成,分析了有无金属外壳两种计算模型对射流形成的影响。结果表明,两种计算模型所获得的射流长度与速度没有明显差别。但对于金属铝射流而言,两种计算模型会对射流尖端的形状有影响。
Keyword聚能射流 光滑粒子动力学sph方法 核梯度修正
DepartmentLMFS冲击与耦合效应(LHO)
Funding Organization中国力学学会计算力学专业委员会
ISBN978-7-5611-7240-7
URL查看原文
Language中文
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/46763
Collection流固耦合系统力学重点实验室
Corresponding Author刘谋斌
Recommended Citation
GB/T 7714
冯殿垒,刘谋斌. 聚能装药线性射流形成的SPH数值模拟[C],2012:634-645.
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