Work

On Extrapolation Cascadic Multigrid Method

Year: 2011

Type: article

Abstract: Based on an asymptotic expansion of (bi)linear finite elements, a new extrapolation formula and extrapolation cascadic multigrid method (EXCMG) are proposed.The key ingredients of the proposed methods are some new extrapolations and quadratic interpolations, which are used to provide better initial values on the refined grid.In the case of triple grids, the errors of the new initial values are analyzed in detail.The numerical experiments show that EXCMG has higher accuracy and efficiency.

Source: Journal of Computational Mathematics

DOI: 10.4208/jcm.1110-m11si05

Authors: Chuanmiao Chen, Zhong-Ci Shi null, Hongling Hu

Institutions: Hunan Normal University, Chinese Academy of Sciences, Academy of Mathematics and Systems Science

Language: English

Topic: Advanced Numerical Methods in Computational Mathematics

Subfield: Computational Mechanics

Field: Engineering

Domain: Physical Sciences

Open Access status: bronze

Funder: National Natural Science Foundation of China

OpenAlex ID: W3142003961

FWCI: 1.54

Cites: 22

Cited by: 23

Related to: 10