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Wind and Structures Volume 30, Number 5, May 2020, pages 465-474 DOI: http://dx.doi.org/10.12989/was.2020.30.5.465 |
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DNS of vortex-induced vibrations of a yawed flexible cylinder near a plane boundary |
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Zhimeng Zhang, Chunning Ji, Md. Mahbub Alam and Dong Xu
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| 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 | ||