Numerical investigation on the effects of current headings on vortex induced motions of a semi-submersible
作者机构：Computational Marine Hydrodynamics Lab(CMHL)School of Naval ArchitectureOcean and Civil EngineeringShanghai Jiao Tong UniversityShanghai200240China Marine Design&Research Institute of ChinaShanghai200011China Ocean CollegeZhejiang UniversityZhoushan316021China
出 版 物：《Journal of Hydrodynamics》 (水动力学研究与进展B辑（英文版）)
年 卷 期：2022年第34卷第3期
页 面：382-394页
核心收录：
学科分类：080704[工学-流体机械及工程] 080103[工学-流体力学] 08[工学] 0807[工学-动力工程及工程热物理] 0801[工学-力学（可授工学、理学学位）]
基 金：Project supported by the National Natural Science Foundation of China(Grant Nos.51909160,52131102 and 51879159) the National Key Research and Development Program of China(Grant No.2019YFB1704200)
主 题：Vortex-induced motions(VIM) vortex-induced yaw vim-FOAM-SJTU solver Reynolds stress
摘 要：In this paper,numerical simulations on vortex-induced motions(VIM)of a semi-submersible at two different current headings are conducted over a wide range of current *** simulations are performed with the computational fluid dynamics(CFD)solver VIM-FOAM-SJTU which is an in-house solver developed based on the OpenFOAM *** turbulent flows are resolved with a shear stress transport-delayed detached eddy simulation(SST-DDES)*** decay tests for transverse and yaw motion are performed in calm still water to make sure the equivalent stiffness is setup *** the results of VIM,including motion response,forces and moments,and flow patterns are presented and analyzed *** including transverse,in-line and yaw motion at different current headings and velocities are *** vorticity in the wake regions at different time stamps are also illustrated for different current headings and velocities.
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