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Investigation on an optimal aggregation level for a parallel meshless multigrid method based on domain decomposition method

delete2025-06-18
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PRE
AI
S
Sang Truong Ha
H
Hyeong Cheol Park
H
Han Young Yoon
H
Hyoung Gwon Choi
DOI：10.1016/j.finel.2025.104402delete
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Abstract

Abstract

En 中文
• A parallel multigrid (PMG) solver is developed using meshless geometric multigrid and domain decomposition. • A simple and effective parameter is proposed to guide single-domain computation at coarser PMG levels. • Performance of three methods with coarse matrix aggregation (CMA) in PMG is quantitatively compared. • Super-linear scalability is achieved for problem sizes over 1 million using fewer than 64 processors.

Journal

Finite Elements in Analysis and Design cover
Finite Elements in Analysis and Design
IF:
3.5
Papers:
2.6K
Citations:
5.1K

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