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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
Authors:  Hu, Qiya;  Song, Rongrong
Favorite  |  View/Download:39/0  |  Submit date: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
Authors:  Hu, Qiya;  Hu, Shaoliang
Favorite  |  View/Download:60/0  |  Submit date: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
Authors:  Hu, Qiya;  Zhang, Haiyang
Favorite  |  View/Download:31/0  |  Submit date: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
Authors:  Hu, Qiya;  Shu, Shi;  Wang, Junxian
Favorite  |  View/Download:28/0  |  Submit date: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
Authors:  Shi, ZC;  Xie, ZH
Favorite  |  View/Download:23/0  |  Submit date:2018/07/30
substructure preconditioner  biharmonic equation nonconforming plate element