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	Application of infinite element method (IEM) to 3D electric logging calculation
	Zhu Jun ; Tang Zhang-hong ; Dun Yue-qing ; Yuan Jian-sheng
	2010-10-12 ; 2010-10-12
关键词	Practical Theoretical or Mathematical/ finite element analysis terrestrial electricity well logging/ infinite element method 3D electric logging calculation 3D numerical mode-matching method Kelvin transformation/ A9125Q Geoelectricity electromagnetic induction and conductivity A9365 Data and information acquisition, processing, storage and dissemination in geophysics A9385 Instrumentation and techniques for geophysical, hydrospheric and lower atmosphere research
中文摘要	Infinite element method (IEM) is introduced to the 3D numerical mode-matching (NMM) method to solve the 3D electric logging problem. This method divides the infinite field domain of each layer into inner and outer field domains, the matrices are formed by standard finite element method (FEM) in both inner and outer domain, the Kelvin transformation is introduced and the matrices are formed by a new infinite element format. Matrices of two different parts are coupled in the domains ' common interface to form the final matrices of the original problem. This method generates smaller size of generalized matrices than the original 3D NMM method. Results show that the new method spends only 1/7 CPU time and uses only 1/3 memory of the original method. This new method can be widely applied to calculate electromagnetic logging responses.
语种	中文
出版者	Natural Gas Industry Journal Agency ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/78663]
专题	清华大学
推荐引用方式 GB/T 7714	Zhu Jun,Tang Zhang-hong,Dun Yue-qing,et al. Application of infinite element method (IEM) to 3D electric logging calculation[J],2010, 2010.
APA	Zhu Jun,Tang Zhang-hong,Dun Yue-qing,&Yuan Jian-sheng.(2010).Application of infinite element method (IEM) to 3D electric logging calculation..
MLA	Zhu Jun,et al."Application of infinite element method (IEM) to 3D electric logging calculation".(2010).

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