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극지 구조물 형상에 대한 빙충격 하중 특성 분석An Analysis of Ice Impact Force Characteristics for the Arctic Structure Shape

Other Titles
An Analysis of Ice Impact Force Characteristics for the Arctic Structure Shape
Authors
정성엽조성락
Issue Date
2012
Publisher
대한조선학회
Keywords
표준화 된 응력; 빙충격 하중 특성; Ice impact force; Energy method; Reference contact area; Normalized stress; Ice impact force characteristic; 빙충격 하중; 에너지 방법; 기준접촉면적
Citation
대한조선학회 논문집, v.49, no.6, pp 469 - 477
Pages
9
Journal Title
대한조선학회 논문집
Volume
49
Number
6
Start Page
469
End Page
477
URI
https://www.kriso.re.kr/sciwatch/handle/2021.sw.kriso/1018
ISSN
1225-1143
Abstract
This paper describes the characteristic analysis of ice impact force for the Arctic structure shape. In the present study an energy method has been used to predict the impact force during the ice-structure collision. This study also employs two concepts for reference contact area and normalized stress in analysis procedure. The influences of factors, such as impact velocity, full penetration depth, structure shape and ice floe size, are investigated. Full penetration occurs, particularly at lower impact velocity when ice thickness increase. But "typical size" ice floe does not expected ever to achieve full penetration during the impact procedure. The structure shape is the dominant factor in ice impact force characteristic. The results for various ice-structure collision scenarios are analyzed.
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