Comparison of Algebraic Multigrid Preconditioners for Solving Helmholtz Equations

An algebraic multigrid (AMG) with aggregation technique to coarsen is applied to construct a better preconditioner for solving Helmholtz equations in this paper. The solution process consists of constructing the preconditioner by AMG and solving the preconditioned Helmholtz problems by Krylov subspa...

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Bibliographic Details
Main Authors: Dandan Chen, Ting-Zhu Huang, Liang Li
Format: Article
Language:English
Published: Wiley 2012-01-01
Series:Journal of Applied Mathematics
Online Access:http://dx.doi.org/10.1155/2012/367909
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