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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  
A V-cycle multigrid method and additive multilevel preconditioners for the plate bending problem discretized by conforming finite elements 期刊论文
APPLIED MATHEMATICS AND COMPUTATION, 1998, 卷号: 93, 期号: 2-3, 页码: 233-258
作者:  Xu, XJ;  Li, LK
收藏  |  浏览/下载:85/0  |  提交时间:2018/07/30
A class of hybrid algebraic multilevel preconditioning methods 期刊论文
APPLIED NUMERICAL MATHEMATICS, 1996, 卷号: 19, 期号: 4, 页码: 389-399
作者:  Bai, ZZ
收藏  |  浏览/下载:103/0  |  提交时间:2018/07/30
multilevel method  polynomial acceleration  finite element  optimal-order preconditioner