A finite element method for cracked components of structures

IMECH-IR > 力学所知识产出(1956-2008)

	A finite element method for cracked components of structures
	Liu LM; Duan ML; Qin TY; Liu YB(刘玉标); Liu CT(柳春图); Yu JX; Duan, ML (reprint author), Dalian Univ Technol, Dalian 116024, Peoples R China.
发表期刊	China Ocean Engineering
	2003
卷号	17 期号:2 页码:177-187
ISSN	0890-5487
摘要	In this paper, a method is developed for determining the effective stiffness of the cracked component. The stiffness matrix of the cracked component is integrated into the global stiffness matrix of the finite element model of the global platform for the FE calculation of the structure in any environmental conditions. The stiffness matrix equation of the cracked component is derived by use of the finite variation principle and fracture mechanics. The equivalent parameters defining the element that simulates the cracked component are mathematically presented, and can be easily used for the FE calculation of large scale cracked structures together with any finite element program. The theories developed are validated by both lab tests and numerical calculations, and applied to the evaluation of crack effect on the strength of a fixed platform and a self-elevating drilling rig.
学科领域	力学
收录类别	SCI ; EI
语种	英语
WOS记录号	WOS:000183740200003
WOS研究方向	Engineering ; Water Resources
WOS类目	Engineering, Civil ; Engineering, Ocean ; Engineering, Mechanical ; Water Resources
引用统计	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/311007/16862
专题	力学所知识产出(1956-2008)
通讯作者	Duan, ML (reprint author), Dalian Univ Technol, Dalian 116024, Peoples R China.
推荐引用方式 GB/T 7714	Liu LM,Duan ML,Qin TY,et al. A finite element method for cracked components of structures[J]. China Ocean Engineering,2003,17,2,:177-187.
APA	Liu LM.,Duan ML.,Qin TY.,刘玉标.,柳春图.,...&Duan, ML .(2003).A finite element method for cracked components of structures.China Ocean Engineering,17(2),177-187.
MLA	Liu LM,et al."A finite element method for cracked components of structures".China Ocean Engineering 17.2(2003):177-187.

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