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作者:

Xu, Fei (Xu, Fei.) | Xie, Manting (Xie, Manting.) | Huang, Qiumei (Huang, Qiumei.) (学者:黄秋梅) | Yue, Meiling (Yue, Meiling.) | Ma, Hongkun (Ma, Hongkun.)

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摘要:

A new type of adaptive multigrid method is presented for multiple eigenvalue problems based on multilevel correction scheme and adaptive multigrid method. Different from the classical adaptive finite element method which requires to solve eigenvalue problems on the adaptively refined triangulations, with our approach we just need to solve several linear boundary value problems in the current refined space and an eigenvalue problem in a very low dimensional space. Further, the involved boundary value problems are solved by an adaptive multigrid iteration. Since there is no eigenvalue problem to be solved on the refined triangulations, which is quite time-consuming, the proposed method can achieve the same efficiency as that of the adaptive multigrid method for the associated linear boundary value problems. Besides, the corresponding convergence and optimal complexity are verified theoretically and demonstrated numerically. (C) 2022 Elsevier B.V. All rights reserved.

关键词:

Convergence and optimality complexity Multiple eigenvalue problems Adaptive finite element method Multigrid method

作者机构:

  • [ 1 ] [Xu, Fei]Beijing Univ Technol, Fac Sci, Beijing 100124, Peoples R China
  • [ 2 ] [Huang, Qiumei]Beijing Univ Technol, Fac Sci, Beijing 100124, Peoples R China
  • [ 3 ] [Xie, Manting]Tianjin Univ, Ctr Appl Math, Tianjin 300072, Peoples R China
  • [ 4 ] [Yue, Meiling]Beijing Technol & Business Univ, Sch Sci, Beijing 100048, Peoples R China
  • [ 5 ] [Ma, Hongkun]Zhuhai Huafa Investment Holdings Grp Co Ltd, Hengqin 519000, Peoples R China

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来源 :

JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS

ISSN: 0377-0427

年份: 2022

卷: 415

2 . 4

JCR@2022

2 . 4 0 0

JCR@2022

ESI学科: MATHEMATICS;

ESI高被引阀值:20

JCR分区:1

中科院分区:2

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