IMECH-IR  > 流固耦合系统力学重点实验室
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.
Source PublicationMARINE STRUCTURES
2015-12
Volume44Pages:85-100
ISSN0951-8339
AbstractThree 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.
KeywordSubmarine Similarity Analysis Cauchy Number Scaling Law Far-field
DOI10.1016/j.marstruc.2015.07.003
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000366074200005
WOS KeywordDYNAMIC PLASTIC RESPONSE ; NUMERICAL-SIMULATION ; BEAMS ; MODEL
WOS Research AreaEngineering
WOS SubjectEngineering, Marine ; Engineering, Civil
DepartmentLMFS水环境流体力学(LEM)
Classification一类
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/58363
Collection流固耦合系统力学重点实验室
Corresponding AuthorLi, JC (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Mech Fluid Solid Coupling Syst, 15 Beisihuanxi Rd, Beijing 100190, Peoples R China.
Recommended Citation
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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