By using the open-source software OpenFOAM and the grid generation tool the integrated computer engineering and manufacturing code for computational fluid dynamics (ICEM CFD), a computational fluid dynamics-computational structural dynamics (CFD-CSD) coupling model is established. The dynamic response and the liquefaction of the seabed around the composite bucket foundation of the offshore wind turbines in the Xiangshui area of Jiangsu Province are investigated. The pore water pressure, the effective stress, the liquefaction depth and the anti-liquefaction effect of the overlying stones are analyzed. It is shown that the seabed around the composite bucket foundation will be liquefied under 50 year return waves, the liquefaction width is approximately 1/3 of the wavelength, and the maximum liquefaction depth is approximately 1/4 of the wave height. In addition, the overlying stones provide an effective anti-liquefaction method. Thicker, less porous overlying stones have a better anti-liquefaction effect.

利用开源软件OpenFOAM和网格生成工具计算流体动力学集成计算机工程与制造代码（ICEM CFD），建立了计算流体动力学-计算结构动力学（CFD-CSD）耦合模型。研究了江苏响水地区海上风电机组复合斗式基础周围海床的动力响应和液化情况。分析了上覆石料的孔隙水压力、有效应力、液化深度和抗液化效果。结果表明，复合斗式基础周围海床在50年回波作用下会发生液化，液化宽度约为波长的1/3，最大液化深度约为波高的1/4。此外，覆石提供了一种有效的抗液化方法。较厚、孔隙较少的覆石具有较好的抗液化效果。