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The third-order structure function in two dimensions: The Rashomon effect
https://oist.repo.nii.ac.jp/records/336
https://oist.repo.nii.ac.jp/records/336f7405bf3-39d2-4a68-bb5f-1478f57a9ba4
名前 / ファイル | ライセンス | アクション |
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Full-Text (434.5 kB)
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Creative Commons Attribution 4.0 International
(http://creativecommons.org/licenses/by/4.0/) |
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2018-03-16 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | The third-order structure function in two dimensions: The Rashomon effect | |||||
言語 | ||||||
言語 | eng | |||||
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(英) |
Cerbus, Rory T.
× Cerbus, Rory T.× Chakraborty, Pinaki |
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書誌情報 |
en : Physics of Fluids 巻 29, 号 11, p. 111110, 発行日 2017-09-28 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | We study the third-order longitudinal structure function, S3(r), in two-dimensional turbulence. In three dimensions, there is considerable theoretical, experimental, and numerical consensus regarding the validity of Kolmogorov’s arch-famous “four fifth law” for S3(r). By contrast, in two dimensions, two disparate cascades, changed dissipation anomalies, a large-scale drag, and other factors conspire to create several versions of the S3(r) “law.” This single quantity can vary considerably when viewed from different perspectives, reminiscent of the “Rashomon effect” in anthropology. After reviewing the history and usage of S3(r) in two-dimensional turbulence, we show that S3(r) generically embodies a mixture of energy and enstrophy fluxes. Building on this result, we derive S3(r) laws for freely decaying and forced two-dimensional turbulent flows, where we also account for the effects of a large-scale drag, an inextricable feature of quasi two-dimensional turbulence in experimental and atmospheric flows. We draw attention to the caution needed in interpreting S3(r) in two-dimensional turbulence. | |||||
出版者 | ||||||
出版者 | AIP Publishing | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1070-6631 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1063/1.5003399 | |||||
権利 | ||||||
権利情報 | © 2017 Author(s) | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://aip.scitation.org/doi/10.1063/1.5003399 | |||||
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 |