全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

射流冲击模型在水下爆炸实验中的应用研究

DOI: 10.11858/gywlxb.2012.05.007, PP. 523-530

Keywords: 射流,气泡,水下爆炸,载荷特性,舰船结构

Full-Text   Cite this paper   Add to My Lib

Abstract:

为研究射流冲击载荷对结构的作用效果,从理论和数值角度研究了射流的载荷特性,以舱段模型实验为研究对象,建立了射流计算模型,结合实验数据,对射流冲击问题进行了分析。结果表明,射流冲击能够造成结构强烈的局部响应,某些情况下,射流冲击载荷引起的结构响应甚至比冲击波载荷引起的响应更大。因此,中近场水下爆炸实验需要考虑射流的影响。建立的射流模型能够较好地反映射流冲击的载荷特性,为水下爆炸实验分析提供了一种新的手段。

References

[1]  Chahine G L, Kalunuch K M, Hsiao C T. Simulation of surface piercing body coupled response to underwater bubble dynamics utilizing 3DYNAFS, a three-dimensional BEM code [J]. Comput Mech, 2003, 32(4-6): 319-326.
[2]  Klaseboer E, Hung K C, Wang C, et al. Experimental and numerical investigation of the dynamics of an underwater explosion bubble near a resilient/rigid structure [J]. J Fluid Mech, 2005, 537: 387-413.
[3]  Zong Z, He L, Sun L Q. Numerical study of loading on the surface ship near an underwater explosion bubble [J]. Journal of Ship Mechanics, 2008, 12(5): 733-739. (in Chinese)
[4]  宗智, 何亮, 孙龙泉. 水下爆炸气泡对水面舰船载荷的数值研究 [J]. 船舶力学, 2008, 12(5): 733-739.
[5]  Zhang A M, Yao X L. Review on the bubble dynamics based on boundary integral method [J]. Advances in Mechanics, 2008, 38(5): 561-570. (in Chinese)
[6]  张阿漫, 姚熊亮. 基于边界积分法的气泡动态特性综述 [J]. 力学进展, 2008, 38(5): 561-570.
[7]  Mu J L, Zhu X, Huang X M, et al. Experimental study of jets formed by bubbles from underwater explosions [J]. Journal of Harbin Engineering University, 2010, 31(2): 154-158. (in Chinese)
[8]  牟金磊, 朱锡, 黄晓明, 等. 水下爆炸气泡射流现象的试验研究 [J]. 哈尔滨工程大学学报, 2010, 31(2): 154-158.
[9]  Li J, Rong J L. Experimental and numerical investigations of dynamic response for cylindrical shell subjected to underwater explosion [J]. Transactions of Beijing Institute of Technology, 2008, 28(8): 165-169. (in Chinese)
[10]  李健, 荣吉利. 水下爆炸圆柱壳塑性动态响应实验及数值计算 [J]. 北京理工大学学报, 2008, 28(8): 165-169.
[11]  Barber J P, Taylor H R, Wilbeck J S. Bird impact forces and pressures on rigid and compliant targets [R]. Ohio: Air Force Flight Dynamics Laboratory, 1978.
[12]  Huang Y C, Hammitt F G, Mitchell T M. Note on shock-wave velocity in high-speed liquid-solid impact [J]. J Appl Phys, 1973, 44(4): 1868-1869.
[13]  Lin J Z, Ruan X D, Chen B G, et al. Fluid Mechanics [M]. Beijing: Tsinghua University Press, 2005. (in Chinese)
[14]  林建忠, 阮晓东, 陈邦国, 等. 流体力学 [M]. 北京: 清华大学出版社, 2005.
[15]  Hallquist J O. LS-DYNA Theoretical Manual [Z]. California: Livermore Software Technology Corporation, 1999.
[16]  Geers T L, Hunter K S. An integrated wave-effects model for an underwater explosion bubble [J]. J Acoust Soc Am, 2002, 111(4): 1584-1601.
[17]  Huang C, Zhu F, Wang B, et al. Numerical simulation for dynamic behavior of non-spherical underwater explosion bubble [A]//10th National Conference on Shock & Impact Dynamics [C]. Taiyuan, 2011. (in Chinese)
[18]  黄超, 朱枫, 汪斌, 等. 非球形水下爆炸气泡动态特性的数值模拟 [A]//第十届全国冲击动力学学术会议论文集 [C]. 太原, 2011.
[19]  Huang C, Wang B, Liu C L, et al. On the mechanism of non-spherical underwater explosion bubble collapse [J]. Chinese Journal of High Pressure Physics, 2012, 26(5): 501-507. (in Chinese)
[20]  黄超, 汪斌, 刘仓理, 等. 非球形水下爆炸气泡坍塌机制 [J]. 高压物理学报, 2012, 26(5): 501-507.
[21]  Plesset M S, Chapman R B. Collapse of an initially spherical vapour cavity in the neighbourhood of a solid boundary [J]. J Fluid Mech, 1971, 47: 283-290.
[22]  Zhang A M, Wang S P, Bai Z H, et al. Experimental study on bubble pulse features under different circumstances [J]. Chinese Journal of Theoretical and Applied Mechanics, 2011, 43(1): 71-83. (in Chinese)
[23]  张阿漫, 王诗平, 白兆宏, 等. 不同环境下气泡脉动特性实验研究 [J]. 力学学报, 2011, 43(1): 71-83.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133