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Uzawa methods for a class of block three-by-three saddle-point problems 期刊论文
NUMERICAL LINEAR ALGEBRA WITH APPLICATIONS, 2019, 页码: 26
作者:  Huang, Na;  Dai, Yu-Hong;  Hu, QiYa
收藏  |  浏览/下载:180/0  |  提交时间:2020/01/10
inexact Uzawa method  saddle-point problem  Uzawa method  
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:160/0  |  提交时间:2020/01/10
Domain decomposition  Substructuring preconditioner  Linear elasticity problems  Maxwell's equations  PCG iteration  Convergence rate  
EFFICIENT MULTILEVEL PRECONDITIONERS FOR THREE-DIMENSIONAL PLANE WAVE HELMHOLTZ SYSTEMS WITH LARGE WAVE NUMBERS 期刊论文
MULTISCALE MODELING & SIMULATION, 2017, 卷号: 15, 期号: 3, 页码: 1242-1266
作者:  Hu, Qiya;  Li, Xuan
收藏  |  浏览/下载:140/0  |  提交时间:2018/07/30
Helmholtz equation  large wave numbers  plane wave methods  overlapping domain decomposition  multilevel preconditioners  3-level smoothers  
NOVEL MULTILEVEL PRECONDITIONERS FOR THE SYSTEMS ARISING FROM PLANE WAVE DISCRETIZATION OF HELMHOLTZ EQUATIONS WITH LARGE WAVE NUMBERS 期刊论文
SIAM JOURNAL ON SCIENTIFIC COMPUTING, 2017, 卷号: 39, 期号: 4, 页码: A1675-A1709
作者:  Hu, Qiya;  Li, Xuan
收藏  |  浏览/下载:93/0  |  提交时间:2018/07/30
Helmholtz equation  large wave numbers  plane wave methods  multilevel overlapping domain decomposition  multilevel overlapping preconditioner  smoothers  
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  
Nonlinear inexact Uzawa algorithms for linear and nonlinear saddle-point problems 期刊论文
SIAM JOURNAL ON OPTIMIZATION, 2006, 卷号: 16, 期号: 3, 页码: 798-825
作者:  Hu, QY;  Zou, J
收藏  |  浏览/下载:97/0  |  提交时间:2018/07/30
linear and nonlinear saddle-point problems  inexact Uzawa algorithm  preconditioning  
Iteratively solving a kind of Signorini transmission problem in a unbounded domain 期刊论文
ESAIM-MATHEMATICAL MODELLING AND NUMERICAL ANALYSIS-MODELISATION MATHEMATIQUE ET ANALYSE NUMERIQUE, 2005, 卷号: 39, 期号: 4, 页码: 715-726
作者:  Hu, QY;  Yu, DH
收藏  |  浏览/下载:97/0  |  提交时间:2018/07/30
Signorini contact  FEM-BEM coupling  variational inequality  D-N alternation  convergence rate  
A coupling of FEM-BEM for a kind of Signorini contact problem 期刊论文
SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY, 2001, 卷号: 44, 期号: 7, 页码: 895-906
作者:  Hu, QY;  Yu, DH
收藏  |  浏览/下载:94/0  |  提交时间:2018/07/30
Signorini contact  FEM-BEM coupling  variational inequality  iterative method  convergence rate  
Solving singularity problems in unbounded domains by coupling of natural BEM and composite grid FEM 期刊论文
APPLIED NUMERICAL MATHEMATICS, 2001, 卷号: 37, 期号: 1-2, 页码: 127-143
作者:  Hu, QY;  Yu, DH
收藏  |  浏览/下载:90/0  |  提交时间:2018/07/30
natural boundary reduction  composite grid  error estimate  iteration algorithm  convergence rate