(b)
Figure 3- Sequences of the collision of a
falling ellipse with frictionless wall at (a) \(Re=20\) and (b)
\(Re=2000\). At the start of the collision \(\theta=\frac{\pi}{4}\)
with \(\omega=0\) and \(V_{p}=(0,-1.0)\). After the collision, the
elliptical particle rotates to reach its final position with minimum
gravitational potential.
\label{figure-3--sequences-of-the-collision-of-a-falling-ellipse-with-frictionless-wall-at-a-re-20-and-b-re-2000.-at-the-start-of-the-collision-theta-fracpi4-with-omega-0-and-v_p-0---1.0.-after-the-collision-the-elliptical-particle-rotates-to-reach-its-final-position-with-minimum-gravitational-potential.}
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