RESEARCH ON THE ANTI-IMPACT CHARACTERISTIC AT DIFFERENT LOCATION BETWEEN THE MOVING SHIP AND MONOPILE OFFSHORE WIND TURBINES

ZHOU HongJie; LI Chun; HAO WenXing; YU Wan

doi:10.16579/j.issn.1001.9669.2019.04.024

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RESEARCH ON THE ANTI-IMPACT CHARACTERISTIC AT DIFFERENT LOCATION BETWEEN THE MOVING SHIP AND MONOPILE OFFSHORE WIND TURBINES

更新时间：2022-09-22

- RESEARCH ON THE ANTI-IMPACT CHARACTERISTIC AT DIFFERENT LOCATION BETWEEN THE MOVING SHIP AND MONOPILE OFFSHORE WIND TURBINES
- Journal of Mechanical Strength Vol. 41, Issue 4, Pages: 915-920(2019)
- 作者机构：
  
  1. 上海理工大学能源与动力工程学院
  2. 湖北能源集团鄂州发电有限公司
- 作者简介：
- 基金信息：
- DOI：10.16579/j.issn.1001.9669.2019.04.024
  CLC：
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ZHOU HongJie, LI Chun, HAO WenXing, et al. RESEARCH ON THE ANTI-IMPACT CHARACTERISTIC AT DIFFERENT LOCATION BETWEEN THE MOVING SHIP AND MONOPILE OFFSHORE WIND TURBINES. [J]. 41(4):915-920(2019)
DOI：

ZHOU HongJie, LI Chun, HAO WenXing, et al. RESEARCH ON THE ANTI-IMPACT CHARACTERISTIC AT DIFFERENT LOCATION BETWEEN THE MOVING SHIP AND MONOPILE OFFSHORE WIND TURBINES. [J]. 41(4):915-920(2019) DOI： 10.16579/j.issn.1001.9669.2019.04.024.

摘要

随着潮汐涨落、船舶型深及吃水深浅的变化,必然导致船舶与海上风力机碰撞位置的变化。为研究碰撞位置对海上风力机结构抗撞性能的影响,建立基于国内某单桩柱式3 MW风力机整机模型,采用显式动力学理论并结合非线性有限元方法,模拟5 000 t级船舶以不同速度撞击海上风力机不同位置的动力响应过程,通过支撑结构的应力及撞深、塔顶响应分析风力机结构的抗撞性能。结果表明:随着碰撞位置越高,接触时间越长,最大接触力也越大;碰撞点较低的支撑结构变形能和撞击深度大于碰撞点较高的位置;船舶速度为1 m/s时,碰撞位置越高塔顶风力机位移和加速度响应越大,当速度为4 m/s时,塔顶风力机响应幅值随着碰撞位置的上升而减小。

Abstract

With tidal fluctuations, deep ship and deep draft changes, will inevitably lead to ship and offshore wind turbine collision location changes. In order to study the effect of collision location on the impact resistance of offshore wind turbine structure, a model of 3 MW wind turbine based on a monopile is established. The explicit dynamic theory and non-linear finite element method are used to simulate the 5 000 t impact of the wind turbine at different locations of the dynamic response process, through the support structure of the stress and crash depth, tower top response analysis of wind turbine structure crash performance. The results show that the higher the contact time is, the higher the contact force is. The higher the contact force is, the higher the contact force is, the higher the contact force is, the higher the contact force is. The lower the collision location of the support structure deformation energy and impact depth is greater than the collision location of the higher position. When the ship speed is 1 m/s, the higher the collision position, the greater the displacement and acceleration response of the tower wind turbine, When the ship speed is 4 m/s, the response amplitude of the tower wind turbine decreases as the collision position increases.

关键词

单桩柱海上风力机碰撞位置动力响应

Keywords

MonopileOffshore wind turbineCollision locationDynamic response

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