Item type |
学術雑誌論文 / Journal Article(1) |
公開日 |
2022-12-01 |
タイトル |
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タイトル |
Determination of initial breaking pattern in the bending failure of a semi-infinite ice sheet |
タイトル |
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言語 |
en |
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タイトル |
Determination of initial breaking pattern in the bending failure of a semi-infinite ice sheet |
言語 |
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言語 |
eng |
キーワード |
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言語 |
en |
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主題Scheme |
Other |
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主題 |
Bending failure |
キーワード |
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言語 |
en |
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主題Scheme |
Other |
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主題 |
Breaking pattern |
キーワード |
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言語 |
en |
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主題Scheme |
Other |
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主題 |
Ice breaker |
資源タイプ |
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資源タイプ識別子 |
http://purl.org/coar/resource_type/c_6501 |
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資源タイプ |
journal article |
アクセス権 |
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アクセス権 |
metadata only access |
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アクセス権URI |
http://purl.org/coar/access_right/c_14cb |
著者 |
Pan, Chuanfei
Peng, Dong
Xu, Ning
Wang, Yihe
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抄録 |
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内容記述タイプ |
Abstract |
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内容記述 |
There is a growing interest in the development of real-time ice-ship or ice-structure interaction simulators based on theoretical ice sheet bending failure models. The initial ice-structure interaction process is commonly idealized as a bending failure of semi-infinite ice sheets. Existing theoretical models either assume a breaking pattern of radial-before-circumferential cracking, or that of a circumferential-before-radial cracking. However, field observations indicate that the breaking pattern depends on various factors. For generic applications of real-time simulators, the determination of breaking patterns is thus an essential first step towards reasonable ice load predictions. This paper addresses the current research gap by considering a normalized formulation of the ice sheet bending failure. The locations and orientations of the maximum principal stresses at the upper and bottom surfaces of a semi-infinite ice sheet are obtained, from which the criterion for breaking pattern determinations is determined. It is found that factors such as large structure waterline curvature radii, small ice thicknesses, large ice flexural strengths, and small ice compressive strengths induce a breaking pattern of circumferential-before-radial cracking. Conversely, small structure waterline curvature radii, large ice thicknesses, small ice flexural strengths, and large ice compressive strengths result in a breaking pattern of radial-before-circumferential cracking. |
書誌情報 |
en : Polar Science
p. 100869,
発行日 2022-12
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ISSN |
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収録物識別子タイプ |
ISSN |
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収録物識別子 |
18739652 |
DOI |
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識別子タイプ |
DOI |
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関連識別子 |
https://doi.org/10.1016/j.polar.2022.100869 |
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関連名称 |
10.1016/j.polar.2022.100869 |