Abstract:The flow-induced vibration of a circular cylinder is simulated numerically. The finite element method is used to solve the three-dimensional incompressible Navier-Stokes equations, and the flow field is coupled with the cylinder motion. The oscillation of the cylinder in the in-line direction is shown when the reduced velocity, U r , is smaller than 4.0. Symmetric vortices are seen for U r ≤ 2.5 and alternative vortices appear for U r ≥ 2.9, while the cylinder motion is damped at around U r = 2.6. It is found … Show more
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