Recent progresses in studies on wave-current loads on foundation structure with piles and slab

Applied Mathematics and Mechanics (English Edition) ›› 2016, Vol. 37 ›› Issue (S1): 105-116.

Recent progresses in studies on wave-current loads on foundation structure with piles and slab

Hua LIU^1,2, Benlong WANG¹, Leiping XUE¹, Yanping HE¹

1. MOE Key Laboratory of Hydrodynamics, School of Naval Architecture, Ocean and Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, China;
2. State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai 200240, China

收稿日期:2016-05-17 修回日期:2016-07-27 出版日期:2016-12-24 发布日期:2016-12-24
通讯作者: Hua LIU E-mail:hliu@sjtu.edu.cn
基金资助:
Project supported by the National Natural Science Foundation of China (Nos. 51379123, 1163012, and 10972138), the National Basic Research Program of China (973 Program) (No. 2014CB046200), and the Science and Technology Commission of Shanghai Municipality (No. 14DZ1205203)

Recent progresses in studies on wave-current loads on foundation structure with piles and slab

Hua LIU^1,2, Benlong WANG¹, Leiping XUE¹, Yanping HE¹

1. MOE Key Laboratory of Hydrodynamics, School of Naval Architecture, Ocean and Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, China;
2. State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai 200240, China

Received:2016-05-17 Revised:2016-07-27 Online:2016-12-24 Published:2016-12-24
Contact: Hua LIU E-mail:hliu@sjtu.edu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Nos. 51379123, 1163012, and 10972138), the National Basic Research Program of China (973 Program) (No. 2014CB046200), and the Science and Technology Commission of Shanghai Municipality (No. 14DZ1205203)

摘要/Abstract

摘要：

The foundation structure with piles and slab is widely used in offshore wind farm construction in shallow water. Experimental studies on the hydrodynamic loads acting on the piles and slab under irregular waves and currents are summarized with discussion on the effects of pile grouping on the wave forces and wave impact loads on the slab locating near the free surface. By applying the theoretical solution of the wave diffracted by the slab and using the Morison equation to evaluate the wave force on the piles, the effects of the slab on the wave forces acting on the piles are analyzed. Based on the Reynolds-averaged Navier-Stokes (RANS) equations and the volume of fluid (VOF) method, a numerical wave basin is developed to simulate the wave-structure interaction. The computed maximum wave force on the foundation structure with piles and slab agrees well with the measured data. The violent deformation, breaking, and run-up of the wave around the structure are presented and discussed. Further work on the turbulent flow structures and large deformation of the free surface due to interaction of the waves and foundation structures of offshore wind farms needs more efficient approaches for evaluating hydrodynamic loads under the effects of nonlinear waves and currents.

关键词: offshore wind turbine, pile, slab, model test, numerical simulation, wave-current load

Abstract:

Key words: pile, slab, wave-current load, model test, offshore wind turbine, numerical simulation

中图分类号:

O345
O11

Hua LIU, Benlong WANG, Leiping XUE, Yanping HE. Recent progresses in studies on wave-current loads on foundation structure with piles and slab[J]. Applied Mathematics and Mechanics (English Edition), 2016, 37(S1): 105-116.

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Recent progresses in studies on wave-current loads on foundation structure with piles and slab

Recent progresses in studies on wave-current loads on foundation structure with piles and slab

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