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Nonlinear Wave Loads on High-rise Pile Cap Structures in the Donghai Bridge Wind Farm
Chen L(陈凌); Zhou JF(周济福); Wang X(王旭); Wang Z(王展)
2018-09-01
发表期刊INTERNATIONAL JOURNAL OF OFFSHORE AND POLAR ENGINEERING
卷号28期号:3页码:263-271
ISSN1053-5381
摘要A new type of bottom-fixed structure, the so-called high-rise pile cap foundation, has been proposed and used to support offshore wind turbines in the Donghai Bridge Wind Farm, China. Engineers are unaware of the wave load mechanisms for this new structure. Using the Navier-Stokes equations and volume of fluid technique, a fully nonlinear numerical wave tank is established to investigate free surface wave loads and moments for the new structure. The interaction between the cap and piles are discussed in detail. In the case of fully nonlinear waves, the maximum horizontal wave load on all the piles with the cap can increase by 30% compared with those without the cap, and the maximum horizontal wave load on a single pile is nearly doubled. The horizontal wave load on the cap with the piles can increase by about 15%, while the vertical wave load decreases slightly. The conventional Morison formula and diffraction theory generally underestimate the wave loads on the piles and the cap as well.
关键词Offshore wind turbine high-rise pile cap foundation wave loads impact effect Donghai Bridge Wind Farm
DOI10.17736/ijope.2018.jc717
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收录类别SCI ; EI
语种英语
WOS记录号WOS:000444808400006
关键词[WOS]OPENFOAM(R) ; FORCES ; COMPUTATIONS ; GENERATION ; FOUNDATION ; CYLINDERS ; VOLUME ; TANK ; DECK
WOS研究方向Engineering, Civil ; Engineering, Ocean ; Engineering, Mechanical
WOS类目Engineering
项目资助者National Natural Science Foundation of China [11232012, 11572332, 11172307] ; National Key R&D Program of China [2017YFC1404202, 2014CB046204] ; Strategic Priority Research Program of the Chinese Academy of Sciences [XDB22040203]
论文分区Q4
力学所作者排名1
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文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/77947
专题流固耦合系统力学重点实验室
作者单位1.Univ Chinese Acad Sci, Sch Engn Sci, Beijing, Peoples R China
2.Chinese Acad Sci, Inst Mech, Key Lab Mech Fluid Solid Coupling Syst, Beijing, Peoples R China
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Chen L,Zhou JF,Wang X,et al. Nonlinear Wave Loads on High-rise Pile Cap Structures in the Donghai Bridge Wind Farm[J]. INTERNATIONAL JOURNAL OF OFFSHORE AND POLAR ENGINEERING,2018,28(3):263-271.
APA 陈凌,周济福,王旭,&王展.(2018).Nonlinear Wave Loads on High-rise Pile Cap Structures in the Donghai Bridge Wind Farm.INTERNATIONAL JOURNAL OF OFFSHORE AND POLAR ENGINEERING,28(3),263-271.
MLA 陈凌,et al."Nonlinear Wave Loads on High-rise Pile Cap Structures in the Donghai Bridge Wind Farm".INTERNATIONAL JOURNAL OF OFFSHORE AND POLAR ENGINEERING 28.3(2018):263-271.
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