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Title:
Numerical investigation on wave loads of the high-rise pile cap foundation of offshore wind turbines in East China Sea
Author: Chen L(陈凌); Zhou JF(周济福); Wang X(王旭)
Issued Date: 2017
Conference Name: 27th International Ocean and Polar Engineering Conference
Conference Date: June 25-30, 2017
Conference Place: San Francisco, CA, USA
Abstract:

High-rise pile cap foundation of offshore wind turbine is used in Donghai Bridge windfarm, East China Sea. The wave load characteristic of this new type of fixed structure has been paid close attention in engineering. In this investigation, based on Navier-Stokes equation, a fully nonlinear numerical wave tank was established for this high-rise pile cap foundation, and the wave loads and moments were obtained by integrating pressure over the surface of the structures. The effects of interaction between the cap and the piles are discussed in detail. In case of extreme wave height, the results indicate that the wave load on the piles with the cap increases by about 30 percent of those without it, and the maximum wave load is nearly doubled. The horizontal wave load on the cap with the piles increases by about 15 percent, while the vertical wave load decreases slightly. In addition, simply using Morison equation will seriously underestimate the wave loads of the piles.

Language: 英语
Department: LMFS水环境流体力学(LEM)
Content Type: 会议论文
URI: http://dspace.imech.ac.cn/handle/311007/60693
Appears in Collections:流固耦合系统力学重点实验室(2012-)_会议论文

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Recommended Citation:
Chen L,Zhou JF,Wang X. Numerical investigation on wave loads of the high-rise pile cap foundation of offshore wind turbines in East China Sea[C]. 见:27th International Ocean and Polar Engineering Conference. San Francisco, CA, USA. June 25-30, 2017
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