CFD analysis of spar vortex-induced motions in uniform and sheared flows

被引：0
|
作者：
Zhao, Weiwen [1 ]
Wan, Decheng [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Naval Architecture Ocean & Civil Engn, Collaborat Innovat Ctr Adv Ship & Deep Sea Explor, State Key Lab Ocean Engn, Shanghai, Peoples R China
来源：
PROCEEDINGS OF THE SECOND CONFERENCE OF GLOBAL CHINESE SCHOLARS ON HYDRODYNAMICS (CCSH'2016), VOLS 1 & 2 | 2016年
关键词：
Spar; vortex-induced motions (VIM); detached-eddy simulation (DES); sheared current; naoe-FOAM-SJTU solver; SHIP;
D O I：
暂无
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
Spar offshore platform, characterized by its deep draft with vertical columnar hull shape, is subject to Vortex-Induced Motions (VIM). The hurricane and loop current, whose velocity profile are highly non-uniform along the vertical direction, are common current events in the Gulf of Mexico. The present study numerically investigates the VIM response of a Spar platform in uniform and sheared currents based on a Computational Fluid Dynamics (CFD) approach. The incompressible finite volume solver naoe-FOAM-SJTU is used for all the computations and the Detached-Eddy Simulations (DES) is selected for turbulence closure. Moreover, the effects of different reduced velocities on VIM response are also discussed.
引用
收藏
页码：800 / 806
页数：7
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