[HTML][HTML] Recent advances in understanding the flow over bluff bodies with different geometries at moderate Reynolds numbers

MR Lekkala, M Latheef, JH Jung, A Coraddu, H Zhu… - Ocean …, 2022 - Elsevier
The application of unsteady incompressible flow phenomenon over the bluff bodies has
received the attention of many researchers due to the rich and complex physics …

Modelling of flow-induced vibration of bluff bodies: A comprehensive survey and future prospects

Y Wu, Z Cheng, R McConkey, FS Lien, E Yee - Energies, 2022 - mdpi.com
A comprehensive review of modelling techniques for the flow-induced vibration (FIV) of bluff
bodies is presented. This phenomenology involves bidirectional fluid–structure interaction …

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 …

A data-driven reduced-order model based on long short-term memory neural network for vortex-induced vibrations of a circular cylinder

A Nazvanova, MC Ong, G Yin - Physics of Fluids, 2023 - pubs.aip.org
A data-driven reduced-order model (ROM) based on long short-term memory neural network
(LSTM-NN) for the prediction of the flow past a circular cylinder undergoing two-degree-of …

Large eddy simulations of flow past an inclined circular cylinder: Insights into the three-dimensional effect

G Li, W Li, MJ Janocha, G Yin, MC Ong - Physics of Fluids, 2023 - pubs.aip.org
The flow past an inclined cylinder is simulated using large eddy simulations to study the
three-dimensional wake flow effects on the forces on the cylinder at Re= 3900. Four …

Numerical study into the impact of fixed upstream cylinder diameter ratios on vibration of leeward tandem cylinders

MO Awadallah, C Jiang, O el Moctar - Ocean Engineering, 2023 - Elsevier
Multiple-cylinder fluid flows present challenges due to the strong interference between
wakes, shear layers, and Kármán vortex streets, resulting in high-amplitude vibration …

[HTML][HTML] On the wake dynamics of an oscillating cylinder via proper orthogonal decomposition

B Eiximeno, A Miró, JC Cajas, O Lehmkuhl, I Rodriguez - Fluids, 2022 - mdpi.com
The coherent structures and wake dynamics of a two-degree-of-freedom vibrating cylinder
with a low mass ratio at R e= 5300 are investigated by means of proper orthogonal …

Investigations on the effects of structural damping on vortex-induced vibration response of an airfoil at a high angle of attack via the aero-damping map

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 vibrations. In this
study, we propose the use of the aero-damping map to investigate the complex vibration …

Unsteady dynamics in a subsonic duct flow with a bluff body

LK George, SK Karthick, AR Srikrishnan, R Kannan - Physics of Fluids, 2022 - pubs.aip.org
A series of reduced-order numerical simulations on a specific bluff body type (v-gutters) in a
subsonic duct flow is performed to assess the unsteady wake dynamics. Two of the v-gutter's …

Influence of upstream staggered cylinder on vortex-induced vibration responses of side-by-side cylinders in turbulent flow

YH Irawan, YH Chiu, SA Raza, MJ Chern - Physics of Fluids, 2023 - pubs.aip.org
A direct-forcing immersed boundary method with large-eddy simulation was used to
simulate the phenomenon of the vortex-induced vibration (VIV) of multiple cylinders in a flow …