[1]周阳,杨超凡,黄维平.海床土刚度非线性的钢悬链式立管响应分析[J].哈尔滨工程大学学报,2017,38(03):356-362.[doi:10.11990/jheu.201603082]
 ZHOU Yang,YANG Chaofan,HUANG Weiping.Dynamic response analysis of steel catenary riser based on nonlinear stiffness of seabed[J].hebgcdxxb,2017,38(03):356-362.[doi:10.11990/jheu.201603082]
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海床土刚度非线性的钢悬链式立管响应分析(/HTML)
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《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
38
期数:
2017年03期
页码:
356-362
栏目:
出版日期:
2017-03-25

文章信息/Info

Title:
Dynamic response analysis of steel catenary riser based on nonlinear stiffness of seabed
作者:
周阳1 杨超凡2 黄维平3
1. 国家海洋局第二海洋研究所 工程海洋学重点实验室, 浙江 杭州 310012;
2. 上海外高桥造船有限公司, 上海 200000;
3. 中国海洋大学 山东省海洋工程重点实验室, 山东 青岛 266100
Author(s):
ZHOU Yang1 YANG Chaofan2 HUANG Weiping3
1. Key Laboratory of Engineering Oceanography, Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China;
2. Shanghai Waigaoqiao Shipbuilding CO., LTD., Shanghai 200000, China;
3. Shandong Provincial Key Laboratory of Ocean Engineering, Ocean University of China, Qingdao 266100, China
关键词:
钢悬链式立管柔性梁管土相互作用非线性海床疲劳破坏大挠度
分类号:
P751
DOI:
10.11990/jheu.201603082
文献标志码:
A
摘要:
基于大挠度柔性梁理论和弹性基础梁理论,本文建立了钢悬链式立管与海床土非线性相互作用的数学模型。用大挠度柔性梁来模拟立管的悬垂段,用弹性基础梁来模拟立管的触地段。其中触地段海床土的刚度根据管线与海床土相互作用的载荷位移曲线P-y来确定,更真实地模拟海床基础。研究表明:基于该模型开发的程序能与商用软件OrcaFlex较好地吻合,由于所开发程序可以采用较大的计算单元,其计算时间大大减少。与线性海床模型相比,通过该模型计算得到的立管触地点附近的疲劳损伤增幅1~3倍,有利于安全的设计。

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2016-03-24。
基金项目:国家自然科学基金项目(51079136,51179179).
作者简介:周阳(1987-),男,工程师,博士;黄维平(1954-),男,教授,博士生导师.
通讯作者:周阳,E-mail:edit502@126.com.
更新日期/Last Update: 2017-04-05