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Improved hybrid approach of monotonic upstream-centered scheme for conservation laws and discontinuity sharpening technique for steady and unsteady flows
https://ynu.repo.nii.ac.jp/records/2000921
https://ynu.repo.nii.ac.jp/records/20009215e8c8c8b-f9e4-4eae-9551-9851dff4c89a
| 名前 / ファイル | ライセンス | アクション |
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046110_1_5.0198163.pdf (9.2 MB)
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| Item type | 学術雑誌論文 / Journal Article(1) | |||||||||||||
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| 公開日 | 2024-05-20 | |||||||||||||
| タイトル | ||||||||||||||
| タイトル | Improved hybrid approach of monotonic upstream-centered scheme for conservation laws and discontinuity sharpening technique for steady and unsteady flows | |||||||||||||
| 言語 | en | |||||||||||||
| 言語 | ||||||||||||||
| 言語 | eng | |||||||||||||
| キーワード | ||||||||||||||
| 言語 | en | |||||||||||||
| 主題Scheme | Other | |||||||||||||
| 主題 | Numerical methods, Finite volume methods, Computational fluid dynamics, Fluid dynamics, Compressible flows, Shock waves | |||||||||||||
| 資源タイプ | ||||||||||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||||||||
| 資源タイプ | journal article | |||||||||||||
| 著者 |
福嶋, 岳
× 福嶋, 岳
ORCID
0000-0003-2743-3140
× 北村, 圭一
ORCID
0000-0001-7550-8990
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| 抄録 | ||||||||||||||
| 内容記述タイプ | Abstract | |||||||||||||
| 内容記述 | In finite-volume methods, monotonic upstream-centered schemes for conservation laws (MUSCL) offer second-order spatial accuracy but tend to produce highly dissipative solutions for density discontinuity and weak shock waves. To address this limitation within a second-order framework, a novel strategy for hybridizing MUSCL with the tangent of the hyperbola interface capturing technique for both steady and unsteady compressible flows is presented. This hybridization optimizes the process based on the degree of nonlinearity and discontinuity around the target cells, providing a novel method to sharply resolve weak shock waves and robustly compute strong shock waves within the hybrid scheme. The proposed scheme sharply captures exceedingly weak shock waves that conventional MUSCL fails to resolve accurately due to excessive numerical dissipation. Furthermore, for resolving small vortices induced by instability at slip lines, computational results demonstrate high-resolution surpassing fifth-order spatial accuracy schemes within this second-order spatial accuracy framework with less computational cost. Moreover, the scheme exhibits commendable convergence and robustness when applied to steady-state problems featuring strong shock waves. This scheme offers a more precise and high-resolution alternative to conventional MUSCL for compressible flow computations, as it requires no additional stencil for reconstruction, unlike conventional fifth-order schemes. | |||||||||||||
| 言語 | en | |||||||||||||
| 書誌情報 |
en : Physics of Fluids 巻 36, 号 4, ページ数 23, 発行日 2024-04-10 |
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| ISSN | ||||||||||||||
| 収録物識別子タイプ | EISSN | |||||||||||||
| 収録物識別子 | 10897666 | |||||||||||||
| 書誌レコードID | ||||||||||||||
| 収録物識別子タイプ | NCID | |||||||||||||
| 収録物識別子 | AA10986202 | |||||||||||||
| DOI | ||||||||||||||
| 関連タイプ | isIdenticalTo | |||||||||||||
| 識別子タイプ | DOI | |||||||||||||
| 関連識別子 | https://doi.org/10.1063/5.0198163 | |||||||||||||
| 著者版フラグ | ||||||||||||||
| 出版タイプ | VoR | |||||||||||||
| 出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||||||||
| 出版者 | ||||||||||||||
| 出版者 | American Institute of Physics | |||||||||||||
| 言語 | en | |||||||||||||
| 助成情報 | ||||||||||||||
| 助成機関識別子タイプ | e-Rad_funder | |||||||||||||
| 助成機関識別子タイプURI | https://www.e-rad.go.jp/datasets/files/haibunkikan.csv | |||||||||||||
| 助成機関識別子 | 1025 | |||||||||||||
| 助成機関名 | Japan Society for the Promotion of Science | |||||||||||||
| 言語 | en | |||||||||||||
| 研究課題番号URI | https://kaken.nii.ac.jp/ja/grant/KAKENHI-PROJECT-21H04589 , https://kaken.nii.ac.jp/ja/grant/KAKENHI-PROJECT-23K26295/ , | |||||||||||||
| 研究課題番号 | JP21H04589, JP23H01601, JP23KJ0981 | |||||||||||||
| 研究課題番号タイプ | JGN | |||||||||||||
| 研究課題名 | 前方流速場nudgeによる衝撃波変調～波面消失原理実証と応用展開 | |||||||||||||
| 言語 | ja | |||||||||||||
| 研究課題名 | 解像度５次精度超の効率的な2次精度型圧縮性流体計算法と複雑流体物理への応用 | |||||||||||||
| 言語 | ja | |||||||||||||
