Journal
IMA JOURNAL OF NUMERICAL ANALYSIS
Volume 34, Issue 2, Pages 592-608Publisher
OXFORD UNIV PRESS
DOI: 10.1093/imanum/drt009
Keywords
Steklov eigenvalue problem; multilevel correction scheme; finite element method
Categories
Funding
- National Science Foundation of China [NSFC 11001259, 11031006, 2011CB309703]
- National Center for Mathematics and Interdisciplinary Science of CAS Chinese Academy of Sciences
- Croucher Foundation of Hong Kong
- President Foundation of Academy of Mathematics and Systems Science-Chinese Academy of Sciences
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A new type of iteration method is proposed in this paper to solve the Steklov eigenvalue problem by the finite element method. In this scheme, solving the Steklov eigenvalue problem is transformed into a series of solutions of boundary value problems on multilevel meshes by the multigrid method and solutions of the Steklov eigenvalue problem on the coarsest mesh. Besides the multigrid scheme, all other efficient iteration methods can also serve as the linear algebraic solver for the associated boundary value problems. The computational work of this new scheme for the Steklov eigenvalue problem can reach the same optimal order as the solution of the corresponding boundary value problem. Therefore, an improvement of efficiency for the Steklov eigenvalue solving method can be achieved. Some numerical experiments are presented to validate the efficiency of the new method.
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