Study on lateral vibration analysis of marine riser in installation-via variational approach

被引：30
|
作者：
Wang, Yanbin [1 ]
Gao, Deli [1 ]
Fang, Jun [1 ]
机构：
[1] China Univ Petr, MOE Key Lab Petr Engn, Beijing 102249, Peoples R China
来源：
JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING | 2015年 / 22卷
关键词：
Marine riser; Installation process; Lateral vibration; Variational approach;
D O I：
10.1016/j.jngse.2014.12.012
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
In this paper, a dynamic analysis model has been established to analyze lateral vibration of marine riser in installation. The governing differential equation has been deduced by variation method. The general formula of riser lateral dynamical response has also been obtained through analyzing the analysis model and the boundary conditions. In this model, the riser is regarded as a beam suspended in the floating drilling platform (ship) and subjected to the axial force and the lateral forces changes with time and water depth (WD). Finally, the expression of the lateral vibration has been obtained and the maximum lateral vibration displacement variations with WD, riser size, weight of Blow out preventers and Lower Marine Risers Package (BOPS/LMRP), wave height and wave period have also been discussed. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：523 / 529
页数：7
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