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[1]余建星,刘杰,余杨,等.基于累积损伤的张力腿平台疲劳及时变可靠性评估[J].天津大学学报(自然科学版),2016,(09):896-901.[doi:10.11784/tdxbz201601047]
 Yu Jianxing,Liu Jie,Yu Yang,et al.Fatigue Reliability and Time-Dependent Reliability Assessment on TLP Based on Cumulative Damage Theory[J].Journal of Tianjin University,2016,(09):896-901.[doi:10.11784/tdxbz201601047]
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基于累积损伤的张力腿平台疲劳及时变可靠性评估()
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《天津大学学报(自然科学版)》[ISSN:0493-2137/CN:12-1127/N]

卷:
期数:
2016年09
页码:
896-901
栏目:
建筑工程
出版日期:
2016-09-15

文章信息/Info

Title:
Fatigue Reliability and Time-Dependent Reliability Assessment on TLP Based on Cumulative Damage Theory
作者:
余建星12 刘杰12 余杨12 黄福祥3 樊志远12 王华昆12
1. 天津大学水利工程仿真与安全国家重点实验室,天津 300072;2. 高新船舶与深海开发装备协同创新中心,上海 200240;3. 海洋石油工程股份有限公司,天津 300451
Author(s):
Yu Jianxing12 Liu Jie12 Yu Yang12 Huang Fuxiang3 Fan Zhiyuan12 Wang Huakun12
1.State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin University, Tianjin 300072, China
2.Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration, Shanghai 200240, China
3.Offshore Oil Engineering Company Limited, Tianjin 300451, China
关键词:
张力腿平台 疲劳可靠度 累积损伤 谱分析法 时变可靠度
Keywords:
tension leg platform(TLP) fatigue reliability cumulative damage spectral analysis method time-dependent reliability
分类号:
P751
DOI:
10.11784/tdxbz201601047
文献标志码:
A
摘要:
张力腿平台在各种恶劣海况和复杂交变载荷作用下, 平台结构疲劳破坏是结构失效的重要形式.首先, 基于累积损伤的疲劳寿命谱分析方法, 系统地建立了平台关键部位的疲劳可靠性分析方法.然后, 建立张力腿平台的整体结构模型, 计算得到其在工作海况下主体结构的应力传递函数.同时引入疲劳累积损伤增加函数, 提出了一种针对平台各关键部位的疲劳可靠性的时变性分析方法, 得到张力腿平台的时变疲劳可靠度, 并通过实例计算验证了方法的适用性和可靠性.
Abstract:
Tension leg platform(TLP)is vulnerable to considerable fatigue damage over its design life period under severe sea conditions and alternating loads and thus fatigue damage is an important aspect of structural failure. Firstly,spectral analysis method was employed,based on cumulative damage theory,to systematically study the fatigue reliability of the key parts of the platform. Then,the whole structural model was built and the stress transfer functions of key joints under working conditions were obtained. At the same time,the fatigue cumulative damage increasing function was introduced to analyze the time-dependent reliability of the key parts. Finally,the time-dependent reliabilities of the key parts of TLP were obtained,and applicability and reliability of the method were then verified by specific examples.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期: 2016-01-12; 修回日期: 2016-03-11.
基金项目: 国家重点基础研究发展计划(973计划)资助项目(2014CB046803); 国家自然科学基金资助项目(51239008, 51379145); 上海交通大学国家重点实验室开放基金资助项目(1502).
作者简介: 余建星(1958—), 男, 教授, 博士生导师.
通讯作者: 余建星, yjx2000@tju.edu.cn.
网络出版时间: 2016-04-29.网络出版地址: http://www.cnki.net/kcms/detail/12.1127.N.20160429.1030.006.html.
更新日期/Last Update: