基础冲刷对海上风电场塔架支撑系统动力特性的影响分析
The influence analysis of foundation scouring on dynamic characteristics of the tower supporting system of offshore wind farm
针对海上风力机塔柱支撑结构受到土基、海洋流体的复杂作用的特点，建立三维有限元数值模型，开展不同海床冲刷深度条件下支撑系统结构的动态特性，探讨其变化规律，为海上风力机支撑系统的动力稳定设计提供科学依据。
Based on the feature that offshore wind turbine tower supporting structures are affected by soil foundation and the ocean flow, the paper establishes 3D finite element numerical model to get dynamic characteristics of supporting system structure of different scour depths and discusses its change law in order to provide scientific basis for dynamic stability design of offshore wind turbine tower supporting structure.
冲刷 / 海上风电场 / 支撑系统 / 动力特性 / 三维有限元
scour / offshore wind farm / supporting system / dynamic characteristics / 3D finite element
严根华（1956—），男，上海市人，教授级高级工程师，博士生导师，主要从事水工水力学、金属结构及水工结构激流振动问题及其优化设计研究
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