The influence of the self-issuing jet on the flow-induced vibration suppression

被引：1

作者：

Li, Boyang ^{[1
]}

Lin, Yiqun ^{[2
]}

Zhang, Baoshou ^{[3
]}

Li, Huichao ^{[1
]}

Zhong, Yongjian ^{[1
]}

Li, Canpeng ^{[1
]}

Song, Jiwei ^{[1
]}

机构：

[1] Qingdao Univ Sci & Technol, Coll Electromech Engn, Qingdao 266061, Shandong, Peoples R China

[2] Dalian Maritime Univ, Marine Engn Coll, Dalian 116026, Liaoning, Peoples R China

[3] Beijing Inst Technol, Sch Aerosp Engn, Beijing 100081, Peoples R China

来源：

OCEAN ENGINEERING | 2024年 / 312卷

基金：

中国国家自然科学基金;

关键词：

Self-issuing jet; Vibration suppression; Ocean current compression FIV; Simulation; VORTEX-INDUCED VIBRATION; CIRCULAR-CYLINDER; MASS;

D O I：

10.1016/j.oceaneng.2024.119360

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：

In order to weaken the vibration response of the cylinder, the self-issuing jet method based on an internal pipe is investigated. The ocean current is modeled by Reynolds Average Navier-Stokes (RANS) method and the Shear Stress Transport (SST) k-omega transient model in order to fit the actual engineering. The motion is transformed into a mass-spring-damped oscillator model, and it will be solved by the Newmark-beta method. A two-way fluid-structure interaction (FSI) numerical simulation channel is established by using embedded user-defined functions. The numerical method is demonstrated with relevant experimental results. It is found that the scheme to increase the velocity of the jet by reducing the outlet width is feasible. The self-issuing jet significantly reduces the amplitude ratio, and the amplitude ratio is reduced by 92.70% in Desynchronization region. Meanwhile, the self-issuing jet decreases the locking region of vortex resonance.

引用

页数：17

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