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research-article

Coupling effect of Vortex-induced vibration of a submarine pipeline and local scour under steady current

[+] Author and Article Information
Qi Zhang

State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai, 200240, PR. China; Department of Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, PR. China
zhqisjtu@foxmail.com

Xianglian Zhou

State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, 430071, China; State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai, 200240, PR. China
zhouxl@sjtu.edu.cn

XiaoHe Xia

State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai, 200240, PR. China; Department of Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, PR. China
xhxia@sjtu.edu.cn

Wanling Li

State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai, 200240, PR. China; Department of Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, PR. China
liwanling0427@163.com

Shuo Zhang

State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai, 200240, PR. China; Department of Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, PR. China
zs.sjtu@outlook.com

1Corresponding author.

ASME doi:10.1115/1.4043347 History: Received May 07, 2018; Revised February 08, 2019

Abstract

The dynamic interaction between pipeline vibration and local scour is investigated numerically. The sediment scour model is adopted to calculate the local scour below pipeline. The general moving objects (GMO) model fully coupled with the fluids is established to simulate the pipeline vibration. The present results are consistent with the previous experimental results and show good agreement. The scour depth and scour hole scale are closely related to the amplitude of pipeline vibration. The effects of initial gap-to-diameter ratio, reduced velocity, and pipeline diameter on the local scour and pipeline vibration are investigated.

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