An improved two-grid finite element method for the Steklov eigenvalue problem
An improved two-grid finite element method for the Steklov eigenvalue problem
复制标题
Steklov特征值问题的改进二网格有限元法
DOI:
10.1016/j.apm.2014.11.017
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发表时间:
2015-06
影响因子:
5
通讯作者:
Feng Xinlong
中科院分区:
文献类型:
--
作者:
Weng Zhifeng;Zhai Shuying;Feng Xinlong
A combination method of finite element method and accelerated two-grid scheme is constructed for solving numerically the two-dimensional Steklov eigenvalue problem. This algorithm involves solving a small Steklov eigenvalue problem on the coarse mesh with mesh size H and a linear algebraic system on the fine mesh with mesh size h. By solving a slightly different linear problem on the fine grid, the computation will be more effective and convenient and the scaling between H and h becomes h= O (H 4), which can save a large amount of computational time. Finally, numerical tests confirm the theoretical results of the presented method.
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DOI:
10.1090/s0025-5718-99-01180-1
发表时间:
2001
期刊:
Math. Comput.
影响因子:
--
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通讯作者:
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DOI:
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2005
期刊:
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影响因子:
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通讯作者:
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发表时间:
2011-02
期刊:
Math. Comput.
影响因子:
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通讯作者:
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DOI:
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发表时间:
2006
期刊:
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DOI:
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发表时间:
2011-08
期刊:
Appl. Math. Comput.
影响因子:
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作者:
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通讯作者:
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