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Issue 16, 2018
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Patterning nonisometric origami in nematic elastomer sheets

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Nematic elastomers dramatically change their shape in response to diverse stimuli including light and heat. In this paper, we provide a systematic framework for the design of complex three dimensional shapes through the actuation of heterogeneously patterned nematic elastomer sheets. These sheets are composed of nonisometric origami building blocks which, when appropriately linked together, can actuate into a diverse array of three dimensional faceted shapes. We demonstrate both theoretically and experimentally that the nonisometric origami building blocks actuate in the predicted manner, and that the integration of multiple building blocks leads to complex, yet predictable and robust, shapes. We then show that this experimentally realized functionality enables a rich design landscape for actuation using nematic elastomers. We highlight this landscape through examples, which utilize large arrays of these building blocks to realize a desired three dimensional origami shape. In combination, these results amount to an engineering design principle, which provides a template for the programming of arbitrarily complex three dimensional shapes on demand.

Graphical abstract: Patterning nonisometric origami in nematic elastomer sheets

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Publication details

The article was received on 12 Jan 2018, accepted on 26 Mar 2018 and first published on 27 Mar 2018

Article type: Paper
DOI: 10.1039/C8SM00103K
Citation: Soft Matter, 2018,14, 3127-3134
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    Patterning nonisometric origami in nematic elastomer sheets

    P. Plucinsky, B. A. Kowalski, T. J. White and K. Bhattacharya, Soft Matter, 2018, 14, 3127
    DOI: 10.1039/C8SM00103K

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