A sequence of elastic patterns in a sheared bent sheet

Fuente: arXiv
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Hauptverfasser: Gimeno, D., Meghwar, B. K., Fisher, G., Hutton, R. S., Hamm, E., Hanna, J. A.
Format: Preprint
Veröffentlicht: 2026
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author Gimeno, D.
Meghwar, B. K.
Fisher, G.
Hutton, R. S.
Hamm, E.
Hanna, J. A.
author_facet Gimeno, D.
Meghwar, B. K.
Fisher, G.
Hutton, R. S.
Hamm, E.
Hanna, J. A.
contents We document a sequence of bifurcations and elastic patterns in sheared bent sheets of intermediate aspect ratio. The sheets undergo inversion of curvature through the passage of localized features, often in S-shaped pairs. Nested force-displacement hysteresis loops provide experimental evidence for snaking. Several mechanisms for coarsening and refinement of the patterns are observed, including splitting, merging, and escape through open boundaries. While most forces, including that required for full snap-through, scale with the length of the sheet, the initial drop in force upon pattern nucleation decreases rapidly with length.
format Preprint
id arxiv_https___arxiv_org_abs_2602_15732
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle A sequence of elastic patterns in a sheared bent sheet
Gimeno, D.
Meghwar, B. K.
Fisher, G.
Hutton, R. S.
Hamm, E.
Hanna, J. A.
Soft Condensed Matter
We document a sequence of bifurcations and elastic patterns in sheared bent sheets of intermediate aspect ratio. The sheets undergo inversion of curvature through the passage of localized features, often in S-shaped pairs. Nested force-displacement hysteresis loops provide experimental evidence for snaking. Several mechanisms for coarsening and refinement of the patterns are observed, including splitting, merging, and escape through open boundaries. While most forces, including that required for full snap-through, scale with the length of the sheet, the initial drop in force upon pattern nucleation decreases rapidly with length.
title A sequence of elastic patterns in a sheared bent sheet
topic Soft Condensed Matter
url https://arxiv.org/abs/2602.15732