Reliability Analysis of Gravity-based Offshore Wind Turbine Foundation Considering Ocean Environmental Loads and Soil Uncertainty

Sang Geun Lee; Dong Hyawn Kim

Reliability Analysis of Gravity-based Offshore Wind Turbine Foundation Considering Ocean Environmental Loads and Soil Uncertainty

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해양환경하중 및 지반의 불확실성을 고려한 중력식 해상풍력 기초의 신뢰성 해석

Type: Academic journal

Author: Sang Geun Lee (군산대학교) Dong Hyawn Kim (군산대학교)

Journal: The Korean Society of Ocean Engineers Journal of Ocean Engineering and Technology Vol.29 No.5 KCI Excellent Accredited Journal SCOPUS

Published: 2015.10

Pages: 359 - 365 (7page)

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Reliability Analysis of Gravity-based Offshore Wind Turbine Foundation Considering Ocean Environmental Loads and Soil Uncertainty

Research history (2)

2015

Reliability Analysis of Gravity-based Offshore Wind Turbine Foundation Considering Ocean Environmental Loads and Soil Uncertainty

Sang Geun Lee , Dong Hyawn Kim Journal of Ocean Engineering and Technology 2015.10 Academic journal

2014

Reliability Analysis of Gravity-based Foundation for Offshore Wind Turbine

Lee , Sang Geun , Kim 대한토목학회 학술대회 2014.10 Proceeding

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A reliability analysis of the gravity-based foundation of anoffshore wind turbine was performed by considering the uncertainties of the design variables, including environmental loads. The limit state functions of the gravity-based foundation were defined using the response limits of the support structures suggested in the DNV standard. The wind load couldbe obtained using the GH_bladed software, and the ware load was calculated using the Morison equation. Then, the extreme distributions of the wind and wave loads were estimated by applying the peak over threshold (POT) method to the wind and wave load data. The probability distribution characteristics of the soil properties were defined with reference to a southwest coast geotechnical survey report. The reliability index was evaluated for each failure mode using a first-order reliability method.

#Offshore wind turbine 해상풍력발전 #Gravity-based foundation 중력식 기초 #Reliability analysis 신뢰성 해석 #First-order reliability method(FORM)일계신뢰도법

ABSTRACT
1. 서론
2. 중력식 기초의 파괴모드
3. 신뢰성 해석 이론
4. 수치해석
5. 결론
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[보고서] - American Petroleum Institute(API) / 2007 / Recommended Practice for Planning, Design and Constructing Fixed Offshore Platforms-Working Stress Design

[단행본] - Carswell, W. / 2014 / Soil–structure Reliability of Offshore Wind Turbine Monopile Foundations / Wind Energy

[단행본] - Coles, S. / 2001 / An Introduction to Statistical Modeling of Extreme Values(Vol. 208) / Springer

[학술지(정기간행물)] - Cossa, N. J. / 2011 / Reliability Analysis of Tubular Joints of Offshore Platforms in Malaysia, World Academy of Science / Engineering and Technology 60 : 838 ~ 844

[학위논문] - Cheng P. W. / 2002 / A reliability based design methodology for extreme responses of offshore wind turbines / PhD / Delft University of Technology

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Affiliation 엘지유플러스

Fields Engineering > Mechanical Engineering > General Mechanical Engineering Engineering > Naval Architecture and Ocean Engineering

Articles 22 Usage 1,577

Dong Hyawn Kim

Affiliation 군산대학교

Fields Engineering > Architectural Engineering > Civil Engineering Engineering > Naval Architecture and Ocean Engineering

Articles 71 Usage 2,295

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UCI(KEPA) : I410-ECN-0101-2016-559-002068347

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