A Flexible, Parallel, Adaptive Geometric Multigrid Method for FEM
A Flexible, Parallel, Adaptive Geometric Multigrid Method for FEM
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一种灵活、并行、自适应的有限元几何多重网格方法
DOI:
10.1145/3425193
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发表时间:
2021
影响因子:
2.7
通讯作者:
Kronbichler, Martin
中科院分区:
文献类型:
--
作者:
Clevenger, Thomas C.;Heister, Timo;Kanschat, Guido;Kronbichler, Martin
We present the design and implementation details of a geometric multigrid method on adaptively refined meshes for massively parallel computations. The method uses local smoothing on the refined part of the mesh. Partitioning is achieved by using a space filling curve for the leaf mesh and distributing ancestors in the hierarchy based on the leaves. We present a model of the efficiency of mesh hierarchy distribution and compare its predictions to runtime measurements. The algorithm is implemented as part of thedeal.IIfinite-element library and as such available to the public.
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影响因子:
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