IMECH-IR  > 流固耦合系统力学重点实验室(2012-)
On the regimes of underwater explosion for a submerged slender structure by pulsating bubble
Nie BC(聂冰川); Li JC(李家春); Zhang HQ(张会琴); Li, JC (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Mech Fluid Solid Coupling Syst, 15 Beisihuanxi Rd, Beijing 100190, Peoples R China.
2015-12
发表期刊MARINE STRUCTURES
卷号44页码:85-100
ISSN0951-8339
摘要Three regimes: near-, middle- and far-fields of underwater explosion are proposed in this study aiming at providing an overview on the responses of submerged slender structure by pulsating bubble. In the near-field, the material starts to yield, thus leading to structure breakdown immediately; remarkable structural global elastic deformation occurs in the middle-field as well as substantial movement; and a structure moves as a rigid body with negligible deformation for the far-field. Equivalent dimensionless parameters are obtained by two different dimensional analysis methods, among which a dominant similarity parameter is found out. Thus, a scaling law providing us with a relation between structural global response and the dominant similarity parameter is yielded, which can be used for demarcating the three regimes quantitatively. To demonstrate, three models corresponding to typical submarine parameters are performed in the case studies. Quantitative criterion of the three regimes is presented along with the regime diagrams. The structural global response features such as the deformation and maximal acceleration/speed of different regimes are provided as well. (C) 2015 Elsevier Ltd. All rights reserved.
关键词Submarine Similarity Analysis Cauchy Number Scaling Law Far-field
DOI10.1016/j.marstruc.2015.07.003
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收录类别SCI ; EI
语种英语
WOS记录号WOS:000366074200005
关键词[WOS]DYNAMIC PLASTIC RESPONSE ; NUMERICAL-SIMULATION ; BEAMS ; MODEL
WOS研究方向Engineering
WOS类目Engineering, Marine ; Engineering, Civil
课题组名称LMFS水环境流体力学(LEM)
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/58363
专题流固耦合系统力学重点实验室(2012-)
通讯作者Li, JC (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Mech Fluid Solid Coupling Syst, 15 Beisihuanxi Rd, Beijing 100190, Peoples R China.
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GB/T 7714
Nie BC,Li JC,Zhang HQ,et al. On the regimes of underwater explosion for a submerged slender structure by pulsating bubble[J]. MARINE STRUCTURES,2015,44:85-100.
APA Nie BC,Li JC,Zhang HQ,&Li, JC .(2015).On the regimes of underwater explosion for a submerged slender structure by pulsating bubble.MARINE STRUCTURES,44,85-100.
MLA Nie BC,et al."On the regimes of underwater explosion for a submerged slender structure by pulsating bubble".MARINE STRUCTURES 44(2015):85-100.
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