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AMGe based on element agglomeration

delete2001-01-01
delete110
PRE
AI
J
Jim E. Jones *
P
Panayot S. Vassilevski
DOI：10.1137/S1064827599361047delete
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摘要

摘要

En 中文
This paper contains the main ideas for an AMGe ( algebraic multigrid for finite elements) method based on element agglomeration. In the method, coarse grid elements are formed by agglomerating ne grid elements. Compatible interpolation operators are constructed which yield coarse grid basis functions with a minimal energy property. Heuristics based on interpolation quality measures are used to guide the agglomeration procedure. The performance of the resulting method is demonstrated in two-level numerical experiments.
Keyword:
algebraic multigrid
element agglomeration
algebraic coarsening
implementation
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期刊

SIAM Journal on Scientific Computing 封面图
SIAM Journal on Scientific Computing
IF:
2.6
论文数:
5.1K
被引数:
1.8W

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