Computational Study of 2D Flow Past a Circular Cylinder Oscillating Transversely to Incoming Flow

A computational study is performed for laminar 2D simple harmonic cross-flow behind a circular cylinder with cylinder oscillating at an angle α = 90°.The Navier–Stokes equation was used to perform the simulation, and the findings were analyzed for Reynolds no = 500 and 1000 with a constant oscillation amplitude of A/D = 0.02. Research focused on a region of frequencies of oscillation close to a stationary cylinder’s natural shedding frequency. The investigation was done into how the cylinder vibration affected the parameters like wake patterns, phase planes, lift and drag forces, etc. The current computational modeling further establishes the “lock-in” bounds or the synchronization regime. The predicted lock-on range, force amplifications, and vortex-shedding modes exhibit great consistency with earlier experimental and numerical analyses.