单桩基础海上风力机防护装置的船舶碰撞试验与数值对比分析  

Collision Experiment Between Ships and a Monopile Offshore Wind Turbine with a Crashworthy Device and Comparison Analysis

作　　者：宋泽成 王蕾 任年鑫 李炜[4] Zecheng Song;Lei Wang;Nianxin Ren;Wei Li(School of Civil Engineering and Architecture, University of Jinan, Jinan 250022, China;College of Civil Engineering and Architecture, Hainan University, Haikou 570228, China;State Key Laboratory of Coast and Offshore Engineering, Dalian University of Technology, Dalian 116024, China;Offshore wind power R&D Center, Power China Huadong Engineering Corporation, Hangzhou 310014, China)

机构地区：[1]济南大学土木建筑学院,山东济南250022 [2]海南大学土木建筑工程学院,海南海口570228 [3]大连理工大学海岸及近海工程国家重点实验室,辽宁大连116024 [4]中国电建集团华东勘测设计院,浙江杭州310014

出　　处：《海南大学学报（自然科学版）》2020年第1期84-89,共6页Natural Science Journal of Hainan University

基　　金：国家自然科学基金项目(51709040,51761135011)。

摘　　要：针对某4MW单桩基础海上风力机,提出了一种新型钢壳-橡胶组合结构的防船舶碰撞装置,分别基于简化缩尺物理模型试验和非线性有限元软件LS-DYNA方法,对船舶碰撞时海上风力机的动力响应特征进行了对比分析,同时,参照相关国际规范,选取了具有代表性的碰撞工况,分别研究了船舶碰撞时无防护装置的海上风力机和船舶碰撞时有防护装置的海上风力机的动力响应特征,结果表明,新型防护装置可以有效地降低作用于风力机主体结构的最大船舶撞击力,它可以利用其外层薄壁钢壳结构的塑性变形来吸收船舶的碰撞能量,从而保护风力机塔架及整体结构的安全.此外,数值模拟结果与物理模型试验结果具有较好的一致性,相关数值模型的有效性也得到了验证.In the report,a crashworthy device with the combined steel shell and rubber structure for a 4MW monopile offshore wind turbine(OWT)against ship collision was proposed.Based on the scale model test and the nonlinear FEM code LS-DYNA respectively,the dynamic characteristics of the OWT collided by the ship were investigated.According to corresponding international standards,the analysis of the collision between OWT and ship with or without the crashworthy device were performed and compared under typical cases.The results indicated that the new crashworthy device can effectively reduce the ship impact force on the OWT structure,and which can use the plastic deformation of its outer steel shell to absorb the impact energy,therefore,the tower structure of the OWT can be well protected.Additionally,the numerical results have a good agreement with the test data,the availability of the numerical model was verified.

关 键 词：单桩基础 海上风力机 船舶碰撞 防护装置 

分 类 号：TK8[动力工程及工程热物理—流体机械及工程]