Two-degree-of-freedom flow-induced vibrations of a D-section prism

W Chen, MM Alam, Y Li, C Ji - Journal of Fluid Mechanics, 2023 - cambridge.org
This paper presents a comprehensive study of flow-induced vibrations of a D-section prism
with various angles of attack. Furthermore, a wake mode map in the examined parametric …

Flow-induced vibration of a square cylinder in low-Re flows: Excitation mechanisms at different mass ratios

C Ji, D Zhang, Y Yao, W Li, S Zhang - Ocean Engineering, 2024 - Elsevier
Two-dimensional numerical simulations of flow-induced vibration (FIV) of a square cylinder
in laminar flow with a Reynolds number Re= 170 are carried out, and the influence of the …

Mass ratio effects on flow-induced vibrations of an equilateral triangular prism

W Chen, Y Wei, C Ji, Y Zhao - Journal of Fluids and Structures, 2023 - Elsevier
In this paper, we numerically studied the effects of mass ratio (m∗) on three identified
responses of a transversely oscillating equilateral triangular prism in Chen et al.(J. Fluids …

Flow-induced vibrations of an equilateral triangular prism at various angles of attack

W Chen, C Ji, D Xu, Z Zhang, Y Wei - Journal of Fluids and Structures, 2020 - Elsevier
Flow-induced vibrations (FIV) of an equilateral triangular prism are numerically studied
using the immersed boundary method in a parametric space of α= 0°–60° and U∗= U∕ fn …

Determination of the transition mass ratio for onset of galloping of a square cylinder at the least permissible Reynolds number of 150

K Sourav, S Sen - Physics of Fluids, 2020 - pubs.aip.org
The Den Hartog stability criterion tests for galloping of an oscillator. A square cylinder
satisfies this and is susceptible to galloping. This criterion being necessary for occurrence of …

[HTML][HTML] Deciphering the influence of shape on vortex-induced vibrations: Insight from diamond and equilateral triangle cylinder simulations

AK Sourav, BP Tallapragada - Physics of Fluids, 2023 - pubs.aip.org
In this study, we present a comprehensive numerical investigation on the impact of
geometric shapes on vortex-induced vibrations (VIV). We deploy the OpenFOAM …

Vortex-induced vibrations and galloping of a square cylinder: The impact of damping and mass ratio

Z He, Y Zhao, H Zhang, H Tang, Q Zhu, Y Ai, X He… - Ocean …, 2025 - Elsevier
This paper focuses on the effects of the damping ratio and mass ratio on the vortex-induced
vibration (VIV) and galloping of a square cylinder through numerical simulations at a …

Wake modes of a freely vibrating square cylinder

S Sen - Physics of Fluids, 2022 - pubs.aip.org
The cross-stream flow-induced vibrations of a square cylinder of mass ratio, m*= 10⁠, are
studied numerically at a fixed Reynolds number, Re, of 250. The reduced speed, U*⁠, is …