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Zhengliang Li, Zhisong Wang, Jiahong Li and Siyuan Liu
With the extensive construction of ultra-high voltage (UHV) transmission lines, the fatigue damage of steel tube members caused by vortex-induced vibration (VIV) in tubular towers has received growing attention. Although some progress has been made in th...
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Peng Xu, Shanshan Jia, Dongao Li, Ould el Moctar and Changqing Jiang
Vortex-induced vibration (VIV) of bluff bodies is one type of flow-induced vibration phenomenon, and the possibility of using it to harvest hydrokinetic energy from marine currents has recently been revealed. To develop an optimal harvester, various para...
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Xing Zou, Botao Xie, Zhipeng Zang, Enbang Chen and Jing Hou
Sand waves are commonly formed on the sandy seabed of the continental shelf and characterized by their regular wave-like shape. When a submarine pipeline is laid on this type of seabed, it often experiences free spans due to the unevenness of the seabed....
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Zhi Chao Ong, Keen Kuan Kong, Shin Yee Khoo, Bee Teng Chew and Yu-Hsi Huang
An alternate renewable energy source, through a piezoelectric vibration energy harvester with a bluff splitter body, could lead to higher efficiency in energy harvesting, through vortex-induced vibration at a near-resonance condition at 20 m/s high wind ...
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Lusheng Jia, Yi Liu, Mengmeng Zhang, Shixiao Fu and Haojie Ren
In this paper, the vortex-induced force characteristics of a flexible riser with buoyancy modules and strakes were experimentally investigated. The strain information caused by vortex-induced vibration (VIV) at different cross-sections on the flexible cy...
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Fang Liu, Weipeng Feng, Xiang Yan, Danjie Ran, Nan Shao, Xiaoqun Wang and Defeng Yang
The flow-induced rotational motion of tandem double cylinders has rarely been studied in existing papers. In order to further study the flow-induced rotation (FIR) of two mechanically tandem-coupled cylinders, an FIR device was designed in this paper, an...
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Muhammad Usman Anwar, Maha M. A. Lashin, Niaz B. Khan, Adnan Munir, Mohammed Jameel, Riaz Muhammad, Kamel Guedri and Ahmed M. Galal
This study reports on the numerical analysis of the impact of mass ratio on the Vortex-Induced Vibration (VIV) phenomenon of an elastically rigid cylinder, oscillating freely in a crossflow direction. Reynolds-averaged Navier?Stokes (RANS) equations with...
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Farid Piran, Hassan Karampour and Peter Woodfield
Vortex-induced vibrations (VIV) of hexagonal cylinders at Reynolds number of 1000 and mass ratio of 2 are studied numerically. In the numerical model, the Navier?Stokes equations are solved using finite volume method, and the fluid-structure interaction ...
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Jie Zhang, He Guo, Yougang Tang and Yulong Li
With the increase of water depth, the design and use of the top-tensioned risers (TTR) are facing more and more challenges. This research presents the effect of top tension on dynamic behavior of deep-sea risers by means of numerical simulations and expe...
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Haojie Ren, Mengmeng Zhang, Jingyun Cheng, Peimin Cao, Yuwang Xu, Shixiao Fu and Chang Liu
Different from the previous studies of the vortex-induced vibration (VIV) dominated by first mode of flexible pipe in an oscillatory flow, the features of a higher mode dominated are experimentally investigated in the ocean basin. The flexible pipe is fo...
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