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Earthquake Response Analysis of an Offshore Wind Turbine Considering Effects of Geometric Nonlinearity of a Structure and Drag Force of Sea Water
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기하 비선형과 항력 효과를 고려한 해상풍력발전기의 지진응답해석

논문 기본 정보

Type
Academic journal
Author
Journal
Earthquake Engineering Society of Korea 한국지진공학회 논문집 한국지진공학회논문집 제17권 제6호 KCI Accredited Journals
Published
2013.1
Pages
257 - 269 (13page)

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Earthquake Response Analysis of an Offshore Wind Turbine Considering Effects of Geometric Nonlinearity of a Structure and Drag Force of Sea Water
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Research history (7)

2021

Probabilistic Earthquake Response Analyses of Nuclear Facilities Considering Ground Motion Incoherency
Lee ,  Jin Ho 한국콘크리트학회 학술대회 논문집 2021.11 Proceeding

2017

Earthquake Response Analysis of Offshore Wind Turbine Systems Using New-type Concrete Supporting Structures
Jin Ho Lee ,  Kyung-Tae Bae 한국신·재생에너지학회 학술대회 초록집 2017.05 Proceeding
Deflection Limits based on the Vibration Serviceability of Guideway Structures Considering Maglev Train-Guideway Interaction
Jin Ho Lee ,  Sung Il Kim Journal of the Korean Society for Railway 2017.02 Academic journal

2016

Nonlinear Earthquake Response Analysis of a Soil-Structure Interaction System Subjected to a Three-Directional Ground Motion
이진호 ,  Jae Kwan Kim ,  김정한 한국전산구조공학회논문집 2016.01 Academic journal

2014

Analysis of Earthquake Responses of a Floating Offshore Structure Subjected to a Vertical Ground Motion
이진호 ,  Jae Kwan Kim ,  Jin Byeong Moo 한국지진공학회 논문집 2014.01 Academic journal

2013

Earthquake Response Analysis of an Offshore Wind Turbine Considering Effects of Geometric Nonlinearity of a Structure and Drag Force of Sea Water
이진호 ,  배경태 ,  Jin Byeong Moo and others 1 한국지진공학회 논문집 2013.01 Academic journal

2012

Earthquake Response Analysis of an Offshore Wind Turbine Considering Fluid-Structure-Soil Interaction
이진호 ,  이상봉 ,  Jae Kwan Kim 한국지진공학회 논문집 2012.01 Academic journal
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Abstract· Keywords

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In this study, the capability of an existing analysis method for the fluid-structure-soil interaction of an offshore wind turbine is expanded to account for the geometric nonlinearity and sea water drag force. The geometric stiffness is derived to take care of the large displacement due to the deformation of the tower structure and the rotation of the footing foundation utilizing linearized stability analysis theory. Linearizing the term in Morison’s equation concerning the drag force, its effects are considered. The developed analysis method is applied to the earthquake response analysis of a 5 MW offshore wind turbine. Parameters which can influence dynamic behaviors of the system are identified and their significance are examined.
#Offshore wind turbine #Earthquake response #Geometric nonlinearity #Drag force #Fluid-structure interaction #Soil-structure interaction

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References (20)

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Bir G / 2008 / Modal Dynamics of Large Wind Turbines with Different Support Structures google schola Chopra AK / 2006 / Dynamics of Structures: Theory and Applications to Earthquake Engineering / Prentice Hall google schola Jonkman J / 2009 / Definition of a 5-MW Reference Wind Turbine for Offshore System Development google schola Jonkman JM / 2007 / Dynamics Modeling and Loads Analysis of an Offshore Floating Wind Turbine google schola Kausel E / 1974 / Forced vibrations of circular foundations on layered media google schola

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