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Shape-morphing architected sheets with non-periodic cut patterns

Celli, Paolo and McMahan, Connor and Ramirez, Brian and Bauhofer, Anton and Naify, Christina and Hofmann, Douglas and Audoly, Basile and Daraio, Chiara (2018) Shape-morphing architected sheets with non-periodic cut patterns. Soft Matter, 14 (48). pp. 9744-9749. ISSN 1744-683X. https://resolver.caltech.edu/CaltechAUTHORS:20180817-130920550

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Abstract

We investigate the out-of-plane shape morphing capability of single-material elastic sheets with architected cut patterns that result in arrays of tiles connected by flexible hinges. We demonstrate that a non-periodic cut pattern can cause a sheet to buckle into three-dimensional shapes, such as domes or patterns of wrinkles, when pulled at specific boundary points. These global buckling modes are observed in experiments and rationalized by an in-plane kinematic analysis that highlights the role of the geometric frustration arising from non-periodicity. The study focuses on elastic sheets, and is later extended to elastic-plastic materials to achieve shape retention. Our work illustrates a scalable route towards the fabrication of three-dimensional objects with nonzero Gaussian curvature from initially-flat sheets.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1039/c8sm02082eDOIArticle
http://www.rsc.org/suppdata/c8/sm/c8sm02082e/c8sm02082e1.pdfPublisherSupplementary Information
https://arxiv.org/abs/1806.10851arXivDiscussion Paper
ORCID:
AuthorORCID
Celli, Paolo0000-0001-7839-7472
McMahan, Connor0000-0001-5024-6138
Audoly, Basile0000-0002-0534-1467
Daraio, Chiara0000-0001-5296-4440
Additional Information:© 2018 The Royal Society of Chemistry. The article was received on 11 Oct 2018, accepted on 19 Nov 2018 and first published on 04 Dec 2018. This research was carried out at the California Institute of Technology and the Jet Propulsion Laboratory under a contract with the National Aeronautics and Space Administration, and funded through the President's and Director's Fund Program. This work is partially supported through the Foster and Coco Stanback Space Innovation Fund. P. C. wishes to thank D. Pasini of McGill University, A. Constantinescu of École Polytechnique, and members of C. D.'s research group for their input and suggestions. We also thank B. Dominguez of Caltech for his assistance during laser cutting. There are no conflicts to declare.
Funders:
Funding AgencyGrant Number
NASA/JPL/CaltechUNSPECIFIED
JPL President and Director's FundUNSPECIFIED
Foster and Coco Stanback Postdoctoral FellowshipUNSPECIFIED
Issue or Number:48
Record Number:CaltechAUTHORS:20180817-130920550
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20180817-130920550
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:88931
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:17 Aug 2018 20:15
Last Modified:09 Mar 2020 13:19

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