基于SACS的海上风机导管架基础疲劳参数敏感性分析

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  • (1.大连海事大学 交通运输工程学院,辽宁 大连 116026; 2.大连理工大学 海岸和近海工程国家重点实验室 116024)
王建超(1997 — ),男,硕士生,研究方向:海洋工程结构;张鹏(1984— ),男,博士,副教授,博士生导师;刘海龙(1984— ),男,博士,副教授,硕士生导师;王坤鹏(1992— ),男,博士,讲师,硕士生导师;崔春义(1978 — ),男,博士,教授,博士生导师,E-mail:cuichunyi@dlmu.edu.cn

收稿日期: 2023-03-21

  修回日期: 2023-04-10

  录用日期: 2023-04-10

  网络出版日期: 2023-04-10

基金资助

国家自然科学基金面上项目(52178315);大连理工大学海岸和近海工程国家重点实验室开放基金资助项目(DUT-LP2122)

Sensitivity analysis of fatigue parameters for offshore wind turbine jacket foundation based on SACS

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  • (1. College of Transportation Engineering, Dalian Maritime University, Dalian 116026, China;2. State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116024, China)

Received date: 2023-03-21

  Revised date: 2023-04-10

  Accepted date: 2023-04-10

  Online published: 2023-04-10

摘要

采用SACS软件建立海上风机导管架基础频域疲劳分析模型,选取不同波浪谱与谱参数生成波浪荷载,选用不同S-N曲线及SCF经验公式计算导管架基础以及与塔筒连接部位疲劳寿命,分析关键参数对结构热点部位疲劳寿命计算结果的影响。分析表明,S-N曲线、SCF计算方法、波浪谱、腐蚀、桩土弱化作用等因素对导管架基础管节点疲劳寿命计算结果均具有较大影响。

本文引用格式

王建超, 崔春义, 张鹏, 刘海龙, 王坤鹏 . 基于SACS的海上风机导管架基础疲劳参数敏感性分析[J]. 大连海事大学学报, 2023 , 49(3) : 106 -113 . DOI: 10.16411/j.cnki.issn1006-7736.2023.03.011

Abstract

SACS software was used to establish a frequency domain fatigue analysis model for offshore wind turbine jacket foundation, different wave spectra and spectral parameters were used to generate wave loads, and different S-N curves and SCF empirical formulas were used to calculate the fatigue life of the jacket foundation and the connection parts with the tower, and the influence of key parameters on the fatigue life calculation results of structural hot spots was analyzed. It was shown that factors such as S-N curve, SCF calculation method, wave spectrum, corrosion, and pile soil weakening have significant impact on the fatigue life calculation results of jacket foundation pipe nodes.

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