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2020 Fiscal Year Final Research Report

Parallel Structure-Preserving Algorithms: Theory and Numerical Verification

Research Project

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Project/Area Number 16K17550
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Computational science
Research InstitutionOsaka University (2018-2020)
Nagoya University (2016-2017)

Principal Investigator

Miyatake Yuto  大阪大学, サイバーメディアセンター, 准教授 (60757384)

Project Period (FY) 2016-04-01 – 2021-03-31
Keywords数値解析 / 偏微分方程式 / 行列計算
Outline of Final Research Achievements

Long time simulation becomes important in many research fields. Structure-preserving algorithms have been proved to be effective, but it is a challenging task to develop algorithms that are both accurate and efficient. In this study, parallel structure-preserving algorithms are developed that balance the high accuracy and efficiency. Moreover, new algorithms for matrix computation are also developed, which further improves the efficiency of the proposed parallel algorithms.

Free Research Field

数値解析

Academic Significance and Societal Importance of the Research Achievements

現代の科学技術計算では,計算機の発展より遥かに速いスピードで現場のニーズが多様化・大規模化しており,これまで以上に計算の品質とコストの両立が困難になっている.このような問題に対し,特定の分野や方程式,計算機環境に特化した研究が主流だが,本研究では,より数理的な立場から,高い汎用性を維持して品質とコストが両立するような数値解法の開発に成功したものである.このような考え方は,数値解析や高性能計算分野で新しい研究スタイルの基盤となり,さらには既存解法を遥かに凌ぐ数値解法が次々と生成されることが期待される.

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Published: 2022-01-27  

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