Wind and Structures
Volume 30, Number 5, 2020, pages 465-474
DOI: 10.12989/was.2020.30.5.465
DNS of vortex-induced vibrations of a yawed flexible cylinder near a plane boundary
Zhimeng Zhang , Chunning Ji , Md. Mahbub Alam , Dong Xu
Abstract
Vortex-induced vibrations of a yawed flexible cylinder near a plane boundary are numerically investigated at a Reynolds number Ren = 500 based on normal component of freestream velocity. Free to oscillate in the in-line and cross-flow directions, the cylinder with an aspect ratio of 25 is pinned-pinned at both ends at a fixed wall-cylinder gap ratio G/D = 0.8, where D is the cylinder diameter. The cylinder yaw angle (
Key Words
yawed flexible cylinder; direct numerical simulation; Independence Principle; vortex-shedding pattern
Address
- Zhimeng Zhang, Chunning Ji, Dong Xu — State Key Laboratory of Hydraulic Engineering Simulation & Safety, Tianjin University, Tianjin, 300072, China
- Md. Mahbub Alam — Institute for Turbulence-Noise-Vibration Interaction and Control, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
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