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A full-scale finite element model is established using the SESAM software suite. Intact and damaged stability analysis is conducted according to relevant codes. The result indicates that all parameters comply with regulatory requirements and demonstrate excellent anti-overturning capability. In the ultimate strength analysis, based on load conditions considering various wave directions, amplitudes, and periods, it is found that the maximum structural stress concentration occurs at the connections between the buoyancy tanks and columns. Nevertheless, the overall stress levels remain within the design resistance limits. Employing the hotspot stress approach, fatigue strength assessment of critical connection areas shows that the fatigue damage at all checkpoints is less than 1, satisfying the design life requirements. The floating foundation structure meets all applicable code standards for stability, ultimate strength, and fatigue strength. Therefore, the research provides a significant safety basis for the engineering application of floating wind turbines in deep-sea environments. It also offers valuable methodology and guidance for safety assessments of similar projects., correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=null), CN=ArticleExt(id=1271501699517719474, articleId=1271501698074878896, tenantId=1146029695717560320, journalId=1210938733613449225, language=CN, title=漂浮式海上风电浮式基础结构安全性评估, columnId=null, journalTitle=热力发电, columnName=null, runingTitle=null, highlight=null, articleAbstract=聚焦漂浮式风电机组三立柱浮式基础的结构安全性,开展稳性、极限强度及疲劳强度的系统性评估研究,采用SESAM软件系列模块,通过建立全尺寸有限元模型,结合相关规范对浮式基础进行完整稳性与破舱稳性分析。基于不同浪向、波幅和周期的载荷工况进行极限强度分析,发现结构最大应力集中于浮箱与立柱连接部位,但整体应力水平在设计抗力范围内;关键连接区域所有校核点的疲劳损伤度均小于1,满足设计寿命要求。该浮式基础结构在稳性、极限强度和疲劳强度方面均符合规范标准,为深远海漂浮式风电工程应用提供了重要安全依据,也为同类项目的安全性评估提供了方法与指导。, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, 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热力发电
| 2026, 55(1): 56-64
漂浮式海上风电浮式基础结构安全性评估
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张瑞刚 1 ,2 , 孙海涛 1 ,2 , 雷 航 1 ,2 , 刘河生 1 ,2 , 景玮钰 1 ,2
作者信息
1. 西安热工研究院有限公司
2. 陕西 西安 710054
Safety assessment of floating foundation structures for floating offshore wind turbines
Affiliations
出版时间: 2026-01-25
doi: 10.19666/j.rlfd.202505087
文章导航
聚焦漂浮式风电机组三立柱浮式基础的结构安全性,开展稳性、极限强度及疲劳强度的系统性评估研究,采用SESAM软件系列模块,通过建立全尺寸有限元模型,结合相关规范对浮式基础进行完整稳性与破舱稳性分析。基于不同浪向、波幅和周期的载荷工况进行极限强度分析,发现结构最大应力集中于浮箱与立柱连接部位,但整体应力水平在设计抗力范围内;关键连接区域所有校核点的疲劳损伤度均小于1,满足设计寿命要求。该浮式基础结构在稳性、极限强度和疲劳强度方面均符合规范标准,为深远海漂浮式风电工程应用提供了重要安全依据,也为同类项目的安全性评估提供了方法与指导。
漂浮式风电机组
/
浮式基础
/
稳性分析
/
极限强度
/
疲劳强度
Focusing on the structural safety of a three-column floating foundation for floating wind turbines, this study systematically assesses its stability, ultimate strength, and fatigue strength. A full-scale finite element model is established using the SESAM software suite. Intact and damaged stability analysis is conducted according to relevant codes. The result indicates that all parameters comply with regulatory requirements and demonstrate excellent anti-overturning capability. In the ultimate strength analysis, based on load conditions considering various wave directions, amplitudes, and periods, it is found that the maximum structural stress concentration occurs at the connections between the buoyancy tanks and columns. Nevertheless, the overall stress levels remain within the design resistance limits. Employing the hotspot stress approach, fatigue strength assessment of critical connection areas shows that the fatigue damage at all checkpoints is less than 1, satisfying the design life requirements. The floating foundation structure meets all applicable code standards for stability, ultimate strength, and fatigue strength. Therefore, the research provides a significant safety basis for the engineering application of floating wind turbines in deep-sea environments. It also offers valuable methodology and guidance for safety assessments of similar projects.
floating wind turbine unit
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floating foundation
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stability analysis
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ultimate strength
/
fatigue strength
张瑞刚, 孙海涛, 雷 航, 刘河生, 景玮钰.
漂浮式海上风电浮式基础结构安全性评估.
热力发电,
2026
, 55
(1)
: 56
-64
.
DOI: 10.19666/j.rlfd.202505087
.
Safety assessment of floating foundation structures for floating offshore wind turbines[J].
Thermal Power Generation ,
2026
, 55
(1)
: 56
-64
.
DOI: 10.19666/j.rlfd.202505087
2026年第55卷第1期
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文章信息
doi: 10.19666/j.rlfd.202505087
接收时间:2025-07-23
首发时间:2025-10-27
出版时间:2026-01-25
收稿日期:2025-07-23
修回日期:2025-09-11
录用日期:2025-09-16
1. 西安热工研究院有限公司
2. 陕西 西安 710054
https://castjournals.cast.org.cn/joweb/rlfd/CN/10.19666/j.rlfd.202505087
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2种不同金属材料的力学参数
科 Family 属数 Number of genus 种数 Number of species 占总种数比例 Percentage of total species (%) 属 Genus 种数 Number of species 占总种数比例 Percentage of total species (%) 鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78 小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39 多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39 红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87 小菇属 Mycena 11 5.26 光柄菇属 Pluteus 5 2.39 红菇属 Russula 17 8.13 栓菌属 Trametes 5 2.39
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