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	Superconvergence of both the Crouzeix-Raviart and Morley elements
	Hu, Jun ; Ma, Rui
	2016
关键词	NONCONFORMING FINITE-ELEMENT PLATE BENDING PROBLEMS ACCURACY ANALYSIS BIHARMONIC EQUATION STOKES EQUATIONS GRIDS
英文摘要	In this paper, a new method is proposed to prove the superconvergence of both the Crouzeix-Raviart and Morley elements. The main idea is to fully employ equivalences with the first order Raviart-Thomas element and the first order Hellan-Herrmann-Johnson element, respectively. In this way, some special conformity of discrete stresses is explored and superconvergence of mixed elements can be used to analyze superconvergence of nonconforming elements. Finally, the superconvergence of one and a half order by postprocessing is proved for both nonconforming elements.; NSFC [11271035, 91430213, 11421101]; SCI(E); ARTICLE; hujun@math.pku.edu.cn; maruipku@gmail.com; 3; 491-509; 132
语种	英语
出处	SCI
出版者	NUMERISCHE MATHEMATIK
内容类型	其他
源URL	[http://hdl.handle.net/20.500.11897/438547]
专题	数学科学学院
推荐引用方式 GB/T 7714	Hu, Jun,Ma, Rui. Superconvergence of both the Crouzeix-Raviart and Morley elements. 2016-01-01.

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