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 |
 |
 |
 |
 |
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Finite element models of Horsetail Bionic Thin-walled Structures (HBTS) with increasing number of cells |
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Force-displacement curve and deformed profiles of optimal design of HBTS16 (16 cells) |
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Membrane rolling induced by bacterial toxins |
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Deformation of a soft cap on a rigid sphere |
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Tiny wrinkles on the back of David Bushnell's hand, which appear when the skin is put into tension along the wrinkles |
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 |
 |
 |
 |
 |
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Wrinkling of the skin of a forearm under a shearing deformation |
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Wrinkling of an indented thin film resting on a liquid bath |
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The curl of thin freely dried paper sheets |
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First crushed and then unfolded linen handkerchief |
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Quadrilatera creased paper: Origami fold pattern |
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 |
 |
 |
 |
 |
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Wrinkling of a thin suspended film |
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Wrinkling of a thin suspended film |
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Wrinkling (shown next) of an inner hydrogel layer because it swells when the bilayer is immersed in water |
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Development of wrinkles on the inner surface of the hydrogel layer developing over time as the bilayer is immersed in water and the hydrogel swells |
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Enlarged view of the 24-hour image with prestress present (Image in the bottom row in the previous slide) |
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