Vortex-induced vibrations of a sphere

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The effect of Reynolds number on the dynamics and wakes of freely rising and falling spheres (2010, methodology): “Our previous studies (Govardhan & Williamson 2000, 2005) triggered our interest in the dynamics of freely rising and falling bodies, such as cylinders (Horowitz & Williamson 2006, submitted), or the present case of spheres.”
Bubbly and Buoyant Particle–Laden Turbulent Flows (2020, background): “Figure 8(a)-(c) demonstrate this effect of increasing buoyancy (Ga from 30 to 3000), whereupon the turbulence induced chaotic dynamics (in (a)) are replaced by wake induced oscillations (in (b) and (c)) reminiscent of Lissajous orbits (Govardhan and Williamson 2005).”
Water entry of spinning spheres (2009, unknown): “Data in Govardhan & Williamson (2005) indicate that tethered spheres, without spin, tend to present a sinusoidally oscillating motion in the axial direction due to vortices being shed in the wake.”