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	A study of the optimal measurement placement for parameter identification of orthotropic composites by the boundary element method
	Huang, LX ; Xiang, ZH ; Sun, XS ; Liu, YH ; Cen, ZZ
	2010-05-10 ; 2010-05-10
关键词	parameter identification optimal measurement placement boundary element method orthotropic composites ELASTIC-CONSTANTS ANISOTROPIC PLATES DESIGN Mathematics, Interdisciplinary Applications Mechanics
中文摘要	This paper concentrates on the design of the optimal measurement placement for the parameter identification of two-dimensional orthotropic composites, which is modeled by the boundary element. From the analysis of the well-posedness of the parameter identification processes using the Levenberg-Marquardt method, a performance indicator and an estimation of the maximum bias of identified parameters are deduced. Based on these results, a method for selecting the optimal measurement placement is proposed. The validity of this method is illustrated by some numerical examples. These examples reveal that the measurement placement has significant influence on identification results. Furthermore, an iterative process of selecting measurement placement is suggested for practical implementation.
语种	英语 ; 英语
出版者	SPRINGER ; NEW YORK ; 233 SPRING STREET, NEW YORK, NY 10013 USA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/23840]
专题	清华大学
推荐引用方式 GB/T 7714	Huang, LX,Xiang, ZH,Sun, XS,et al. A study of the optimal measurement placement for parameter identification of orthotropic composites by the boundary element method[J],2010, 2010.
APA	Huang, LX,Xiang, ZH,Sun, XS,Liu, YH,&Cen, ZZ.(2010).A study of the optimal measurement placement for parameter identification of orthotropic composites by the boundary element method..
MLA	Huang, LX,et al."A study of the optimal measurement placement for parameter identification of orthotropic composites by the boundary element method".(2010).

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