Flow-induced vibration of tandem flexible cylinders with a larger-diameter upstream cylinder

Honglu Gu,Haiyan Guo,Xiaomin Li,Fuheng Li

APPLIED OCEAN RESEARCH（2023）

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摘要

•FIV of tandem flexible cylinders with diameter ratios between 1 and 2 is investigated.•The perturbation mechanism of the UC on the DC-FIV is revealed.•A map containing eight response patterns is provided in the D,u/D,d–Vr plane.•The Strouhal number rule between DC-FIV and its reduced velocity is reconstructed.

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关键词

Flow-induced vibration (FIV),Flexible cylinders,Diameter ratios,Tandem arrangement,Hydrodynamic interference

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