Cylindrical structures are widely used in offshore and marine engineering, but they may suffer from vortex-induced vibration under the influence of ocean or wave currents, which can lead to severe fatigue damage. In this study, we applied open-source software Open-Source Field Operation Manipulation (OpenFOAM) investigate characteristics fluid flow around cylindrical structures, taking into acc...

Evaluating the aerodynamic instability of a bridge girder fitted with attachments such as handrails is critical for wind-resistance design long-span bridge. However, effects detailed configuration on performance have not been sufficiently studied. In this study, heaving vortex-induced vibration (VIV) box-girder was evaluated nongrid and grid-like handrail cases by free wind tunnel tests. The VI...

Flow-induced vibration (FIV) of a flexible cylinder with an upstream wake interference at subcritical Reynolds number is numerically investigated in this study. Two cylinders are installed tandem arrangement the separation between centers set 5.0 diameters. The downstream and placed stationary rigid cylinder. A quasi-three-dimensional fluid-structure interaction (FSI) numerical methodology that...

A stabilized finite element method is adopted to solve the Navier–Stokes equations written in arbitrary Lagrangian–Eulerian from. Extensive simulations are undertaken investigate vortex induced vibration characteristics of a piggyback circular cylinder system, or smaller rigidly connected main one. In particular, system three-degree-freedom motion, its rotation motion taken into account, while ...

Vortex-induced vibrations (VIVs) are a serious problem in suspension bridges and other long-span during their service periods. It can cause excessive amplitudes of the structure under low wind speeds, not only affecting driving comfort safety but also increasing risk fatigue failure. Previous research on identification evaluation bridge VIV events periods was based offline batch processing anal...