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跨介质运动物体的附加质量

张晓强 冯金富 吝科 胡俊华

张晓强, 冯金富, 吝科, 等 . 跨介质运动物体的附加质量[J]. 北京航空航天大学学报, 2016, 42(4): 821-828. doi: 10.13700/j.bh.1001-5965.2015.0478
引用本文: 张晓强, 冯金富, 吝科, 等 . 跨介质运动物体的附加质量[J]. 北京航空航天大学学报, 2016, 42(4): 821-828. doi: 10.13700/j.bh.1001-5965.2015.0478
ZHANG Xiaoqiang, FENG Jinfu, LIN Ke, et al. Added mass of trans-media moving object[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(4): 821-828. doi: 10.13700/j.bh.1001-5965.2015.0478(in Chinese)
Citation: ZHANG Xiaoqiang, FENG Jinfu, LIN Ke, et al. Added mass of trans-media moving object[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(4): 821-828. doi: 10.13700/j.bh.1001-5965.2015.0478(in Chinese)

跨介质运动物体的附加质量

doi: 10.13700/j.bh.1001-5965.2015.0478
基金项目: 国家“863”计划
详细信息
    作者简介:

    张晓强 男,博士研究生。主要研究方向:新概念武器设计与仿真。 Tel.: 029-84787514-602 E-mail: 286465930@qq.com;冯金富 男,博士,教授,博士生导师。主要研究方向:新概念武器设计与仿真。 Tel.: 029-84787514-601 E-mail: wcsfjf@163.com

    通讯作者:

    冯金富, Tel.: 029-84787514-601 E-mail: wcsfjf@163.com

  • 中图分类号: TB126;TJ762.4;V275+.3

Added mass of trans-media moving object

Funds: National High-tech Research and Development Program of China
  • 摘要: 跨介质运动物体具备能够适应多种流体介质环境的突出优势,但由于受自由面及流体影响,力学环境复杂,其运动特性难以预测。附加质量法是工程上解决物体与流体耦合问题的常用方法,但现有的附加质量结论无法直接推广到带自由面问题的跨介质过程。针对跨介质过程的时变附加质量问题,提出了一种新的求解方法,研究了不同浸深时某柱体外形跨介质过程中出水阶段和入水阶段的附加质量变化规律。结论表明:出水阶段和入水阶段的附加质量随浸深的变化趋势一致,曲线相似;相同浸深状态时出水阶段和入水阶段的法向附加质量相近,线性特征明显;相同浸深状态时出水阶段和入水阶段的轴向附加质量、附加转动惯量和附加静距差距明显,2个过程不可逆。本文所提出的方法可为各类跨介质结构体设计提供技术支持,也可推广至其他带自由面问题的附加质量求解中。

     

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出版历程
  • 收稿日期:  2015-07-16
  • 修回日期:  2015-11-25
  • 刊出日期:  2016-04-20

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