Sensitivity-aided active control of flow past twin cylinders

L Zhou, H Li, KT Tim, X He, GYC Maceda… - International Journal of …, 2023 - Elsevier
The flow-induced vibration (FIV) of twin structures always experiences significantly larger
vibration amplitude than that of a single one, which causes severe structural safety …

Mode-based energy transfer analysis of flow-induced vibration of two rigidly coupled tandem cylinders

H Zhang, L Zhou, KT Tim - International Journal of Mechanical Sciences, 2022 - Elsevier
Two rigidly coupled cylinders are commonly available in engineering practices, which are
always subjected to flow-induced vibration (FIV) with large oscillating amplitude due to the …

Vortex-induced vibrations of tandem diamond cylinders: A novel lock-in behavior

D Kumar, K Sourav - International Journal of Mechanical Sciences, 2023 - Elsevier
This paper presents a comprehensive numerical investigation of the undamped,
simultaneous in-line, and transverse flow-induced vibrations of two identical diamond …

Dynamic mode decomposition analysis of the two-dimensional flow past two transversely in-phase oscillating cylinders in a tandem arrangement

H Zhang, L Zhou, T Liu, Z Guo, F Golnary - Physics of Fluids, 2022 - pubs.aip.org
The flow through tandem square cylinders was investigated at a Reynolds number of 100 for
oscillation amplitudes A= 0.1D to 0.7D and gaps L= 2.0D, 5.0D, and 6.0D, where D is the …

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 …

Vortex-Induced vibration suppression for a cylinder with random grooves inspired by rough tree bark

B Zhang, T Long, W Wang, R Shi, N Ye - Physics of Fluids, 2023 - pubs.aip.org
The vortex-induced vibration (VIV) response of a 2-degree-of-freedom cylinder with random
grooves is investigated numerically based on the Reynolds Average Navier–Stokes (RANS) …

Fluid–structure-coupled Koopman mode analysis of free oscillating twin-cylinders

H Zhang, L Zhou, P Deng, TKT Tse - Physics of Fluids, 2022 - pubs.aip.org
Flow-induced vibration (FIV) of twin square cylinders in a tandem arrangement was
numerically investigated at Reynolds numbers 200 and gap L/D= 2.0, 4.0, and 6.0 (D is the …

Effects of spacing ratio on vortex-induced vibration of twin tandem diamond cylinders in a steady flow

W Gu, X Xu, M Jiang, W Yao - Physics of Fluids, 2023 - pubs.aip.org
Vortex-induced vibration of twin tandem square cylinders at an inclined angle of 45 to the
fluid, ie, twin diamond cylinders of mass ratio m*= 3, is numerically investigated at Reynolds …

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 …

Vortex-induced vibration and heat dissipation of multiple cylinders under opposed thermal buoyancy

L Ding, H He, T Song - Ocean Engineering, 2023 - Elsevier
The vortex-induced vibration of three cylinders in an equilateral triangular arrangement with
opposed thermal buoyancy are studied by numerical method. The cylinders are uniformly …