Coefficient of restitution of colliding viscoelastic spheres.

@article{Ramirez1999CoefficientOR,
  title={Coefficient of restitution of colliding viscoelastic spheres.},
  author={R. Ramirez and Thorsten P{\"o}schel and Nikolai V. Brilliantov and Thomas Schwager},
  journal={Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics},
  year={1999},
  volume={60 4 Pt B},
  pages={4465-72}
}
We perform a dimension analysis for colliding viscoelastic spheres to show that the coefficient of normal restitution epsilon depends on the impact velocity g as epsilon=1-gamma(1)g(1/5)+gamma(2)g(2/5)-/+..., in accordance with recent findings. We develop a simple theory to find explicit expressions for coefficients gamma(1) and gamma(2). Using these and… CONTINUE READING

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