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Numerical Simulation Test of Scour around Offshore Jacket Structure using FLOW-3D
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 Title & Authors
Numerical Simulation Test of Scour around Offshore Jacket Structure using FLOW-3D
Ko, Dong Hui; Jeong, Shin Taek; Oh, Nam Sun;
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 Abstract
As offshore structures such as offshore wind and offshore platforms have been installed frequently in ocean, scour effects are considered important. To test the scour effect, numerical simulation of scour has been carried out. However, the test was usually conducted under the uni-directional flow without bi-directional current flow in western sea of Korea. Thus, in this paper, numerical simulations of scour around offshore jacket substructure of HeMOSU-1 installed in western sea of Korea are conducted using FLOW-3D. The conditions are uni-directional and bi-directional flow considering tidal current. And these results are compared to measured data. The analysis results for 10,000 sec show that under uni-directional conditions, maximum scour depth was about 1.32 m and under bidirectional conditions, about 1.44 m maximum scour depth occurred around the structure. Meanwhile, about 1.5~2.0 m scour depths occurred in field observation and the result of field test is similar to result under bi-directional conditions.
 Keywords
scour;uni-directional flow;bi-directional tidal current flow;offshore jacket substructure;Flow-3D;maximum scour depth;
 Language
Korean
 Cited by
1.
지반과 말뚝의 상호작용 및 세굴현상을 고려한 해상풍력터빈의 신뢰성 해석,이진학;김선빈;윤길림;

한국해안해양공학회논문집, 2016. vol.28. 4, pp.222-231 crossref(new window)
1.
Reliability Analysis of Offshore Wind Turbines Considering Soil-Pile Interaction and Scouring Effect, Journal of Korean Society of Coastal and Ocean Engineers, 2016, 28, 4, 222  crossref(new windwow)
2.
Scour Protection Effect around the Monopile Foundation, Journal of the Korean Society for Marine Environment and Energy, 2017, 20, 2, 84  crossref(new windwow)
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