Hoop and axial plastic buckling modes of submerged cylindrical shells subjected to side-on underwater explosion shock wave

doi:10.1016/j.marstruc.2022.103200

CORC > 力学研究所 > 中国科学院力学研究所 > 流固耦合系统力学重点实验室(2012-)

	Hoop and axial plastic buckling modes of submerged cylindrical shells subjected to side-on underwater explosion shock wave
	Nie BC(聂冰川)3; Zhang HQ(张会琴)1,2
刊名	MARINE STRUCTURES
	2022-07-01
卷号	84 页码:20
关键词	Dynamic buckling Shock wave Shell Fluid-structure interaction Buckle
ISSN号	0951-8339
DOI	10.1016/j.marstruc.2022.103200
通讯作者	Nie, Bingchuan(bcnie@bjtu.edu.cn)
英文摘要	Cylindrical shells are widely used in marine structures from small-sized pipes to various immersed containers and large submarines. Dynamic plastic buckling of the shells could be caused by underwater explosion (UNEX) loads in industrial accidents or hostile attacks. Influential factors including non-dimensional hull shock factor reflecting the resilience of the material to shock intensity, slenderness ratio, localised ring stiffener and endcap are identified. Their impacts on the dynamic buckling modes are discussed relied on the finite element investigations. The results show that the global hoop and axial buckling modes are mainly determined by the hull shock factor and slenderness ratio, respectively. With the increase of hull shock factor, i) back-side buckling, ii) back- and front-side buckling with dominant buckles at the back-side, iii) backand front-side buckling with dominant buckles at the front side, and iv) overall buckling with very large buckles at the front-side originating from the priority buckling modes can be observed in the circumferential direction. The competition between the front- and back-sides buckling is attributed to their different buckling mechanisms. The former one is caused by shock transmitted from the explosion source through the fluid, whereas the later one is due to striking of the structural hoop stress waves propagated from the front-side via the shell itself. Axial buckling modes consisted of primary and potential buckles alternating in the axial direction could be triggered for a large slenderness ratio, but be concealed by localised buckling modes for small slenderness ratio. The localised buckling modes are controlled by the ring-stiffener and endcap, because they alter the continuity of compression potential of shells.
分类号	一类
资助项目	National Key R&D Program of China[2017YFC1404202] ; National Natural Science Foundation of China[12132018] ; National Natural Science Foundation of China[11902024] ; Opening Fund of the Hubei Key Laboratory of Naval Architecture & Ocean Engineering Hydrodynamics[201801]
WOS关键词	INITIATED INSTABILITIES ; DYNAMIC STABILITY ; BUBBLE
WOS研究方向	Engineering
语种	英语
WOS记录号	WOS:000776073200001
资助机构	National Key R&D Program of China ; National Natural Science Foundation of China ; Opening Fund of the Hubei Key Laboratory of Naval Architecture & Ocean Engineering Hydrodynamics
其他责任者	Nie, Bingchuan
内容类型	期刊论文
源URL	[http://dspace.imech.ac.cn/handle/311007/88841]
专题	力学研究所_流固耦合系统力学重点实验室(2012-)
作者单位	1.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China 2.Chinese Acad Sci, Key Lab Mech Fluid Solid Coupling Syst, Inst Mech, Beijing 100190, Peoples R China; 3.Beijing Jiaotong Univ, Sch Phys Sci & Engn, Beijing 100044, Peoples R China;
推荐引用方式 GB/T 7714	Nie BC,Zhang HQ. Hoop and axial plastic buckling modes of submerged cylindrical shells subjected to side-on underwater explosion shock wave[J]. MARINE STRUCTURES,2022,84:20.
APA	聂冰川,&张会琴.(2022).Hoop and axial plastic buckling modes of submerged cylindrical shells subjected to side-on underwater explosion shock wave.MARINE STRUCTURES,84,20.
MLA	聂冰川,et al."Hoop and axial plastic buckling modes of submerged cylindrical shells subjected to side-on underwater explosion shock wave".MARINE STRUCTURES 84(2022):20.