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Unstable Periodic Sedimentation in a Viscous Fluid

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Uploaded by on Dec 8, 2007

3 bodies sedimenting in a viscous fluid undergo periodic tumbling dynamics; however, a small perturbation to symmetric initial conditions leads to the instability shown here by simulation. Note that in the Stokes regime, two bodies fall faster than one. (Solved Boundary Integral Formulation of Stokes equations).

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