分布式网格动态重新划分的通用体积转移

IF 8.7 2区 工程技术 Q1 Mathematics Engineering with Computers Pub Date : 2024-06-18 DOI:10.1007/s00366-024-02008-9
Guillaume Damiand, Fabrice Jaillet, Vincent Vidal
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引用次数: 0

摘要

高效的分布式自适应网格构建和编辑提出了多项挑战,包括选择合适的分布式数据结构、选择计算负荷分配策略以及管理处理器间通信。分布式组合映射允许表示和编辑分布式三维网格。本文通过体积转移操作和重新分区策略,解决了计算负荷和扩展通信方面的问题。这是第一项为任何拓扑结构的单元定义这种转移的工作。我们展示了并行自适应六面体细分操作,涉及完全通用的体,在此过程中包括转换为保形网格和曲面拟合,从而证明了我们方法的优势。我们的实验比较了使用多线程和 MPI 实现的不同策略,以突出体积转移的优势。我们特别关注框架的通用性和适应性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Generic volume transfer for distributed mesh dynamic repartitioning

Efficient and distributed adaptive mesh construction and editing pose several challenges, including selecting the appropriate distributed data structure, choosing strategies for distributing computational load, and managing inter-processor communication. Distributed Combinatorial Maps permit the representation and editing of distributed 3D meshes. This paper addresses computation load and expands communication aspects through volume transfer operation and repartitioning strategies. This work is the first one defining such transfer for cells of any topology. We demonstrate the benefits of our method by presenting a parallel adaptive hexahedral subdivision operation, involving fully generic volumes, in a process including a conversion to conformal mesh and surface fitting. Our experiments compare different strategies using multithreading and MPI implementations to highlight the benefits of volume transfer. Special attention has been paid to generic aspects and adaptability of the framework.

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来源期刊
Engineering with Computers
Engineering with Computers 工程技术-工程:机械
CiteScore
16.50
自引率
2.30%
发文量
203
审稿时长
9 months
期刊介绍: Engineering with Computers is an international journal dedicated to simulation-based engineering. It features original papers and comprehensive reviews on technologies supporting simulation-based engineering, along with demonstrations of operational simulation-based engineering systems. The journal covers various technical areas such as adaptive simulation techniques, engineering databases, CAD geometry integration, mesh generation, parallel simulation methods, simulation frameworks, user interface technologies, and visualization techniques. It also encompasses a wide range of application areas where engineering technologies are applied, spanning from automotive industry applications to medical device design.
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