Spacing effect on the vortex-induced vibrations of near-wall flexible cylinders in the tandem arrangement

Z Zhang, C Ji - Physics of Fluids, 2022 - pubs.aip.org
The vibration responses and flow dynamics in the vortex-induced vibrations of two near-wall
flexible cylinders in the tandem arrangement are investigated through three-dimensional …

Study on hydrodynamic characteristics and depth control of the towed sensors array system

J Liu, S Gao, R Nian, B He, T Yan - Marine Structures, 2023 - Elsevier
The hydrodynamic characteristics and depth control of the towed sensors array system
(TSAS) are investigated based on lumped mass method and computational fluid dynamics …

Cross-flow vortex-induced vibrations of a top tensioned riser subjected to boundary disturbances with frequencies close to vortex shedding

Y Qu, S Fu, P Wang, M Zhao, P Yi - Applied Ocean Research, 2023 - Elsevier
In the present paper, the effects of external disturbances on cross-flow vortex-induced
vibrations (VIVs) of a top tensioned riser are investigated based on a wake oscillator model …

Flow-induced vibration of tandem flexible cylinders with a larger-diameter upstream cylinder

H Gu, H Guo, X Li, F Li - Applied Ocean Research, 2023 - Elsevier
A systematic experimental study is conducted for the flow-induced vibration (FIV) of tandem
flexible cylinder pairs with diameter ratios (D, u/D, d) ranging from 1 to 2. The diameter of the …

Experimental investigation into the effect of diameter ratio on the flow-induced vibration of tandem flexible cylinders

H Gu, H Guo, X Li, F Li - Ocean Engineering, 2023 - Elsevier
Flow-induced vibration of tandem unequal-diameter flexible cylinders has, to date, received
scant attention, particularly the effect of the diameter ratio on the cylinder's flow-induced …

Drag coefficients of double unequal-diameter flexible cylinders in tandem undergoing vortex/wake-induced vibrations

B Zhao, M Zhang, S Fu, X Fu, H Ren, Y Xu - Ocean Engineering, 2023 - Elsevier
A reliable load-to-response prediction for flexible risers under drag forces can protect the
multiple-riser system from collision and optimize its spatial arrangement. To investigate the …

Nonlinear vortex-induced vibrations of slightly curved pipes conveying fluid in steady and oscillatory flows

A Xu, Y Chai, F Li, Y Chen - Ocean Engineering, 2023 - Elsevier
An effective nonlinear dynamic model is developed to investigate vortex-induced vibration
(VIV) characteristics of a slightly curved pipe conveying fluid in steady and oscillatory flows …

Experimental investigation on vortex/wake-induced force of double unequal-diameter flexible cylinders in tandem

B Zhao, M Zhang, S Fu, X Fu, T Sun, B Song - Physics of Fluids, 2023 - pubs.aip.org
An experimental investigation on the vortex/wake-induced force of double unequal-diameter
cylinders in tandem was performed. In the experiment, the upstream-to-downstream cylinder …

Spacing effect on aerodynamic characteristics for a rail-cum-road bridge with twin asymmetrical parallel girders

Y Zou, C Yang, X He, L Liu, J Yang - Physics of Fluids, 2024 - pubs.aip.org
Due to the asymmetrical cross section of long-span rail-cum-road twin-girder bridges, the
aerodynamic interference effect and flow characteristics of the twin girders in the gap are …

A new wake superposition model and its application in collision prevention control of tri-riser array system

Y Hu, H Liu, G Tang, L Li, X Hu, B Gu, X Mei, G Li - Ocean Engineering, 2024 - Elsevier
In the field of offshore oil exploitation, the compact multi-riser arrangement increases the risk
of collision and has an adverse impact on production and the marine environment. The …