A variational formulation for three-dimensional analysis of extensible marine riser transporting fluid

被引：51

作者：

Athisakul, Chainarong ^{[1
]}

Monprapussorn, Tinnakorn ^{[1
]}

Chucheepsakul, Somchai ^{[1
]}

机构：

[1] King Mongkuts Univ Technol Thonburi, Fac Engn, Dept Civil Engn, Bangkok 10140, Thailand

来源：

OCEAN ENGINEERING | 2011年 / 38卷 / 04期

关键词：

Extensible marine riser; Free vibration; Transporting fluid; Variational formulation; Finite element method; DYNAMIC ANALYSIS; STATIC ANALYSIS; FREE-VIBRATIONS; CABLES; FREQUENCIES; TENSION; BEAMS; PIPE;

D O I：

10.1016/j.oceaneng.2010.12.012

中图分类号：

U6 [水路运输]; P75 [海洋工程];

学科分类号：

0814 ; 081505 ; 0824 ; 082401 ;

摘要：

This paper presents a model formulation for static and dynamic analysis of three-dimensional extensible marine riser transporting fluid. A variational model formulation is developed based on the principle of virtual work-energy and the extensible elastica theory. The virtual work-energy functional is composed of the virtual strain energy due to axial stretching, bending, and torsion and the virtual work done by the external and internal fluid. The governing dynamic equilibrium equation!: are derived in the Cartesian coordinate. The finite element method is used to obtain the numerical solutions. The numerical examples are provided to demonstrate interesting effects of fluid transportation and axial deformation on large displacements and dynamic properties of the three-dimensional extensible marine riser. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：609 / 620

页数：12

共 29 条

[1] Effect of inclination on bending of variable-arc-length beams subjected to uniform self-weight [J].