Coiling of elastic ropes.

@article{Habibi2007CoilingOE,
  title={Coiling of elastic ropes.},
  author={M. F. Habibi and Neil M. Ribe and Daniel Bonn},
  journal={Physical review letters},
  year={2007},
  volume={99 15},
  pages={154302}
}
A rope falling onto a solid surface typically forms a series of regular coils. Here, we study this phenomenon using laboratory experiments (with cotton threads and softened spaghetti) and an asymptotic "slender-rope" numerical model. The excellent agreement between the two with no adjustable parameters allows us to determine a complete phase diagram for elastic coiling comprising three basic regimes involving different force balances (elastic, gravitational, and inertial) together with resonant… CONTINUE READING