Slack Dynamics on an Unfurling String

J. A. Hanna and C. D. Santangelo
Phys. Rev. Lett. 109, 134301 – Published 26 September 2012

Abstract

An arch will grow on a rapidly deployed thin string in contact with a rigid plane. We present a qualitative model for the growing structure involving the amplification, rectification, and advection of slack in the presence of a steady stress field, validate our assumptions with numerical experiments, and pose new questions about the spatially developing motions of thin objects.

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  • Received 6 April 2012

DOI:https://doi.org/10.1103/PhysRevLett.109.134301

© 2012 American Physical Society

Authors & Affiliations

J. A. Hanna* and C. D. Santangelo

  • Department of Physics, University of Massachusetts, Amherst, Massachusetts 01003, USA

  • *hanna@physics.umass.edu
  • csantang@physics.umass.edu

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Issue

Vol. 109, Iss. 13 — 28 September 2012

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