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The smectic order of wrinkles

Author

Listed:
  • Hillel Aharoni

    (University of Pennsylvania)

  • Desislava V. Todorova

    (University of Pennsylvania)

  • Octavio Albarrán

    (Max Planck Institute for Dynamics and Self-Organization (MPIDS))

  • Lucas Goehring

    (Max Planck Institute for Dynamics and Self-Organization (MPIDS)
    School of Science and Technology, Nottingham Trent University)

  • Randall D. Kamien

    (University of Pennsylvania)

  • Eleni Katifori

    (University of Pennsylvania)

Abstract

A thin elastic sheet lying on a soft substrate develops wrinkled patterns when subject to an external forcing or as a result of geometric incompatibility. Thin sheet elasticity and substrate response equip such wrinkles with a global preferred wrinkle spacing length and with resistance to wrinkle curvature. These features are responsible for the liquid crystalline smectic-like behaviour of such systems at intermediate length scales. This insight allows better understanding of the wrinkling patterns seen in such systems, with which we explain pattern breaking into domains, the properties of domain walls and wrinkle undulation. We compare our predictions with numerical simulations and with experimental observations.

Suggested Citation

  • Hillel Aharoni & Desislava V. Todorova & Octavio Albarrán & Lucas Goehring & Randall D. Kamien & Eleni Katifori, 2017. "The smectic order of wrinkles," Nature Communications, Nature, vol. 8(1), pages 1-7, August.
    • Handle: RePEc:nat:natcom:v:8:y:2017:i:1:d:10.1038_ncomms15809
    DOI: 10.1038/ncomms15809
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