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Spiral cracks without twisting

Author

Listed:
  • K.-T. Leung

    (Institute of Physics, Academia Sinica)

  • L. Józsa

    (Babes-Bolyai University)

  • M. Ravasz

    (Babes-Bolyai University)

  • Z. Néda

    (Babes-Bolyai University
    University of Notre Dame)

Abstract

A fascinating class of patterns, often encountered in nature as meandering cracks on rocks, dried-out fields and tectonic plates, is produced by the fracture of solids1. Here we describe the observation and modelling of an unusual type of pattern consisting of spiral cracks in fragments of a thin layer of drying precipitate. We find that this symmetry-breaking cracking mode arises naturally not from twisting forces, but from a propagating stress front induced by the fold-up of the fragments.

Suggested Citation

  • K.-T. Leung & L. Józsa & M. Ravasz & Z. Néda, 2001. "Spiral cracks without twisting," Nature, Nature, vol. 410(6825), pages 166-166, March.
    • Handle: RePEc:nat:nature:v:410:y:2001:i:6825:d:10.1038_35065517
    DOI: 10.1038/35065517
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    Cited by:

    1. Járai-Szabó, Ferenc & Néda, Zoltán, 2012. "Earthquake model describes traffic jams caused by imperfect driving styles," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 391(22), pages 5727-5738.

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