IMECH-IR  > 流固耦合系统力学重点实验室
Impacts of Mooring-Lines Hysteresis on Dynamic Response of Spar Floating Wind Turbine
Chen WM(陈伟民)1,2,3; Guo SX(郭双喜)2,3; Li, Yilun4; Shen, Yijun1,5
Corresponding AuthorChen, Weimin([email protected]) ; Shen, Yijun([email protected])
Source PublicationENERGIES
2021-04-01
Volume14Issue:8Pages:13
AbstractFloating wind turbines often experience larger-amplitude motions caused by wind and ocean wave loads, while mooring-lines, such as catenary and taut mooring-lines, make the structure configurations along with an analysis of the global response more complicated compared to a fixed support foundation. Moreover, the restoring performance of dynamic mooring-lines exhibits a significant hysteresis behavior, and this hysteresis behavior may have profound impacts on the structural response of floating wind turbines under environmental loads. In this study, using the coupled finite element method, a dynamic simulation model is developed to study the motion responses of a spar floating wind turbine under consideration of mooring-lines hysteresis. In order to consider large-amplitude motion and nonlinear behaviors of catenary mooring-lines, a FEM (finite element method) model is developed based on a combination of 3D nonlinear beam elements and the super-element approach, and the interaction between mooring-lines and seabed is also included. Using our FEM numerical simulations, firstly, the restoring performance of mooring-lines and its hysteresis behavior are studied. Then, the motion responses, e.g., the displacements of the spar float undergoing various wave loads, are examined. The numerical results show that: the restoring stiffness of mooring-lines exhibits significant hysteresis behavior, and the restoring force is directionally dependent. Due to the hysteresis of restoring performance, for a case of regular wave conditions, little change of the spar surge in a steady-state is seen; however, for a case of extreme wave loads, the motion response gets about 14.4% smaller, compared with the quasi-static cases.
Keyworddynamic hysteresis mooring-lines restoring performance non-linear
DOI10.3390/en14082109
Indexed BySCI ; EI
Language英语
WOS IDWOS:000644100300001
WOS KeywordFOUNDATION ; VALIDATION ; BEHAVIOR ; PLATFORM ; TENSION ; WAVE
WOS Research AreaEnergy & Fuels
WOS SubjectEnergy & Fuels
Funding ProjectState Key Laboratory of Marine Resource Utilization in the South China Sea (Hainan University)[MRUKF2021027] ; Strategic Priority Research Programme of the Chinese Academy of Sciences[XDA22000000]
Funding OrganizationState Key Laboratory of Marine Resource Utilization in the South China Sea (Hainan University) ; Strategic Priority Research Programme of the Chinese Academy of Sciences
ClassificationQ3
Ranking1
ContributorChen, Weimin ; Shen, Yijun
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/86504
Collection流固耦合系统力学重点实验室
Affiliation1.Hainan Univ, State Key Lab Marine Resource Utilizat South Chin, Haikou 570228, Hainan, Peoples R China;
2.Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China;
3.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100190, Peoples R China;
4.Univ Paris Saclay, CNRS, Lab Mecan Sols Struct & Mat MSSMat, UMR8579,CentraleSupelec, F-91190 Gif Sur Yvette, France;
5.Hainan Univ, Coll Civil Engn & Architecture, Haikou 570228, Hainan, Peoples R China
Recommended Citation
GB/T 7714
Chen WM,Guo SX,Li, Yilun,et al. Impacts of Mooring-Lines Hysteresis on Dynamic Response of Spar Floating Wind Turbine[J]. ENERGIES,2021,14,8,:13.Rp_Au:Chen, Weimin, Shen, Yijun
APA 陈伟民,郭双喜,Li, Yilun,&Shen, Yijun.(2021).Impacts of Mooring-Lines Hysteresis on Dynamic Response of Spar Floating Wind Turbine.ENERGIES,14(8),13.
MLA 陈伟民,et al."Impacts of Mooring-Lines Hysteresis on Dynamic Response of Spar Floating Wind Turbine".ENERGIES 14.8(2021):13.
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