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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:106/0  |  提交时间:2018/07/30
Helmholtz equation  large wave numbers  plane wave methods  multilevel overlapping domain decomposition  multilevel overlapping preconditioner  smoothers  
Multigrid method and multilevel additive preconditioner for mixed element method for non-self-adjoint and indefinite problems 期刊论文
APPLIED MATHEMATICS AND COMPUTATION, 2001, 卷号: 119, 期号: 2-3, 页码: 229-247
作者:  Chen, JR
收藏  |  浏览/下载:94/0  |  提交时间:2018/07/30
multigrid  multilevel additive preconditioner  mixed element  indefinite problems