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A NOVEL LEAST SQUARES METHOD FOR HELMHOLTZ EQUATIONS WITH LARGE WAVE NUMBERS 期刊论文
SIAM JOURNAL ON NUMERICAL ANALYSIS, 2020, 卷号: 58, 期号: 5, 页码: 3091-3123
作者:  Hu, Qiya;  Song, Rongrong
收藏  |  浏览/下载:142/0  |  提交时间:2021/01/14
Helmholtz equations  inhomogeneous media  large wave number  auxiliary unknowns  least squares  error estimates  preconditioner  
A substructuring preconditioner with vertex-related interface solvers for elliptic-type equations in three dimensions 期刊论文
ADVANCES IN COMPUTATIONAL MATHEMATICS, 2019, 卷号: 45, 期号: 3, 页码: 1129-1161
作者:  Hu, Qiya;  Hu, Shaoliang
收藏  |  浏览/下载:161/0  |  提交时间:2020/01/10
Domain decomposition  Substructuring preconditioner  Linear elasticity problems  Maxwell's equations  PCG iteration  Convergence rate  
SUBSTRUCTURING PRECONDITIONERS FOR THE SYSTEMS ARISING FROM PLANE WAVE DISCRETIZATION OF HELMHOLTZ EQUATIONS 期刊论文
SIAM JOURNAL ON SCIENTIFIC COMPUTING, 2016, 卷号: 38, 期号: 4, 页码: A2232-A2261
作者:  Hu, Qiya;  Zhang, Haiyang
收藏  |  浏览/下载:113/0  |  提交时间:2018/07/30
Helmholtz equation  large wave number  plane wave discretization  nonoverlapping domain decomposition  parallel preconditioner  iteration counts  
NONOVERLAPPING DOMAIN DECOMPOSITION METHODS WITH A SIMPLE COARSE SPACE FOR ELLIPTIC PROBLEMS 期刊论文
MATHEMATICS OF COMPUTATION, 2010, 卷号: 79, 期号: 272, 页码: 2059-2078
作者:  Hu, Qiya;  Shu, Shi;  Wang, Junxian
收藏  |  浏览/下载:88/0  |  提交时间:2018/07/30
Domain decomposition  coarse subspace  substructuring preconditioner  inexact solver  condition number  
Substructure preconditioners for nonconforming plate elements 期刊论文
JOURNAL OF COMPUTATIONAL MATHEMATICS, 1998, 卷号: 16, 期号: 4, 页码: 289-304
作者:  Shi, ZC;  Xie, ZH
收藏  |  浏览/下载:95/0  |  提交时间:2018/07/30
substructure preconditioner  biharmonic equation nonconforming plate element