Transverse vortex-induced vibration of two elliptic cylinders in tandem: Effects of spacing

M Badri Ghomizad, M Yamakawa - Physics of Fluids, 2023 - pubs.aip.org
Renewable energy converters, such as bio-inspired fluttering foils, are gaining popularity
due to their eco-friendly properties. However, the system with multiple objects has received …

[HTML][HTML] Vibrations of wind turbine blades in standstill: Map** the influence of the inflow angles

SG Horcas, NN Sørensen, F Zahle, GR Pirrung… - Physics of …, 2022 - pubs.aip.org
The present investigation used numerical simulations to study the vibrations of a wind
turbine blade in standstill. Such vibrations are presumed to affect horizontal axis wind …

Investigations on lock-in vortex-induced vibration of an airfoil at a high angle of attack based on detached eddy simulation

B Lian, X Tong, X Zhu, Z Du, Y Cui, BC Khoo - Physics of Fluids, 2023 - pubs.aip.org
Large-scale modern wind turbines at standstill are prone to vortex-induced vibration (VIV). In
this study, coupled fluid–solid dynamics of the wind turbine airfoil at a 90 attack angle are …

Flow-induced rotation and wake characteristics of polygonal prisms subjected to laminar flow

H Zhu, Q Chen, MM Alam, T Tang, J Zhong, T Zhou - Physics of Fluids, 2023 - pubs.aip.org
This work presents numerical investigations of flow-induced rotation of three different
polygonal prisms, including triangular, square, and pentagonal ones. Taking into account …

Vortex-induced vibration and wake interference of two-degree-of-freedom elastically mounted elliptical cylinders in tandem at various spacing

MB Ghomizad, H Kor, M Doan, M Yamakawa - Ocean Engineering, 2024 - Elsevier
This study investigates the underexplored dynamics of a system comprising two in-line
elliptical-section cylinders interacting with the flow, each placed vertically and endowed with …

Distribution and spanwise correlation of aerodynamic forces on a 5: 1 rectangular cylinder in the vortex-induced vibration stage

Y Lei, Y Sun, M Li, J Han, M Li - Physics of Fluids, 2023 - pubs.aip.org
Vortex-induced vibration (VIV) is a type of fluid–solid coupling vibration with a complex flow-
field structure. Herein, the wall pressures around a 5: 1 rectangular cylinder in the stationary …

Effect of pulsatile flow on hydrodynamic characteristics of vortex induced vibration of square cylinder

S Masood, MA Khan, SF Anwer, N Hasan, R Ali - Ocean Engineering, 2023 - Elsevier
Abstract Vortex Induced Vibration (VIV) of an elastically mounted square cylinder subjected
to pulsatile flow conditions is solved numerically for Reynolds number (Re= 100) and low …

Coupling vibration analysis of heat exchanger tube bundles under different stiffness conditions

Y Yin, Z Wang, M Ma, J Zhang, Y Xu, L Li, M Ge - Scientific Reports, 2024 - nature.com
A two-dimensional tube bundles fluid–structure coupling model was developed using the
CFD approach, with a rigid body motion equation and the Newmark integral method. The …

Vibration characteristic of free-to-rotate elliptical cylinder at low Reynolds number

X Liu, C Hu, D Liu, H Tian, J Wang - Ocean Engineering, 2024 - Elsevier
Investigating the vibration characteristics of elliptical cylinders is important to harvest useful
energy or suppress harmful vibration, but there still exist insufficiently understood in freely …

Flow-induced vibration of an elliptic cylinder with a splitter-plate attachment at low-Reynolds number: Self-limited oscillations

Y Wu, FS Lien, E Yee, G Chen - Journal of Fluids and Structures, 2023 - Elsevier
Flow-induced vibrations (FIV) of a rigid, elastically-mounted elliptical cylinder-plate
assembly which is free to move in the cross-flow (transverse) direction is studied using …