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	Improved differential field integral equation method
	Yu Haiyu ; Yan Jiansheng
	2010-10-12 ; 2010-10-12
关键词	Theoretical or Mathematical/ ferrites magnetic field integral equations/ differential field integral equation method zero tangential component magnetic field ferrite material virtual magnetic charge magnetostatic field Fe/sub 3/O/sub 4// A0230 Function theory, analysis A7550G Ferrimagnetics/ Fe3O4/bin Fe3/bin O4/bin Fe/bin O/bin
中文摘要	The accuracy by the traditional differential field integral equation method (DFIEM) is very low if ferrite materials with closed thin shells exist in the field region. An improved method was developed which adds zero tangential component constraints to the magnetic field on the boundary of the ferrite material. For ferrite materials with small gaps, the sum of the virtual magnetic charge on the surface of the ferrite materials set to zero. Simulations show that for a general problem in the first case for an accuracy of around 2% , the memory required by the improved method are only 0.1% of that of the traditional method. For the second case, the error with the improved method is reduced to 2.5% from 23% for the traditional method with the same elements. Thus the accuracy is improved greatly by the improved method.
语种	中文
出版者	Tsinghua University Press ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/82279]
专题	清华大学
推荐引用方式 GB/T 7714	Yu Haiyu,Yan Jiansheng. Improved differential field integral equation method[J],2010, 2010.
APA	Yu Haiyu,&Yan Jiansheng.(2010).Improved differential field integral equation method..
MLA	Yu Haiyu,et al."Improved differential field integral equation method".(2010).

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