【作者】 朱珠； 袁绪龙； 闫云聚；

【Author】 ZHU Zhu,YUAN Xu-long,YAN Yun-ju Northwestern Polytechnical University,Xi’an 710072,China

【机构】 西北工业大学；

【摘要】 水中兵器在入水冲击初期的瞬态过程中会遭受巨大的冲击载荷,可能对弹体结构和携带的仪器设备造成很大的危害。研究弹体结构入水所受的冲击载荷对水中兵器弹体结构安全和可靠性具有重要意义。本研究基于商用软件Fluent框架,利用动网格技术和UDF方法实现了回转体高速垂直入水过程的数值模拟,通过分别比较两相VOF模型和三相Mixture模型,建立了圆柱回转体高速入水冲击的数值模拟方法,并对获得的计算结果进行了分析。更多还原

【Abstract】 An underwater weapon will undergo stronger impact when being in the incipient transient process of the entry-water,and this causes serious harm to its structures and the carried instruments.It is very important to increase the reliability of the underwater weapon through researching the water entry impact of underwater weapon.In this paper,the numerical simulation of the vertical water-entry at high speed for an axisymmetric was carried out based on the commercial software Fluent.The numerical simulation method of the water-entry at high speed for an column axisymmetric model is established using the technologies of dynamic mesh and UDF,and also the corresponding results are obtained and analyzed.更多还原