Abstract
In this work, we use Large Eddy Simulation (LES) to study the flow around a circular cylinder undergoing streamwise sinusoidal oscillations. This benchmark case is a first step towards studying engineering applications related to flow-induced vibrations. We describe both the flow physics, correlating the time varying loading of the cylinder at two different oscillation frequencies with the flow development, as well as validate the fluid structure interaction methodology through comparison with experimental data for the same configuration. The methodology used, LES based on a finite volume method capable of handling moving meshes, gives force predictions that generally agree well with experimentally measured data, both with respect to the overall flow development as with force magnitude.
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