摘要
In this paper, a new proof of superclose of a Crouzeix-Raviart type finite element is given for second order elliptic boundary value problem by Bramble-Hilbert lemma on anisotropic meshes.
基金
Supported by the NSF of China(10471133)
Supported by the NSF of Henan Province(0611053100)
Supported by the NSF of Education Committee of Henan Province(2006110011)
