Modes, C. D. and Bhattacharya, K. and Warner, M. (2011) Gaussian curvature from flat elastica sheets. Proceedings of the Royal Society A: Mathematical, physical, and engineering sciences, 467 (2128). pp. 1121-1140. ISSN 1364-5021. https://resolver.caltech.edu/CaltechAUTHORS:20110317-105846413
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Abstract
We discuss methods of reversibly inducing non-developable surfaces from flat sheets of material at the micro-scale all the way to macroscopic objects. We analyse the elastic ground states of a nematic glass in the membrane approximation as a function of temperature for disclination defects of topological charge +1. An aim is to show that by writing an appropriate director field into such a solid, one could create a surface with Gaussian curvature, dynamically switchable from flat sheets while avoiding stretch energy. In addition to the prospect of programmable structures, such surfaces offer actuation via stretch in thin systems since when illumination is subsequently removed, unavoidable stretches return.
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Additional Information: | © 2011 The Royal Society. Received 6 July 2010. Accepted 16 September 2010. Published online 20 October 2010. We are grateful for guidance from Professors Broer, Bastiaansen and Sanchez. C.D.M. and M.W. thank the EPSRC for funding under grant EP/E051251/1 and K.B. under EP/F060033/1. | |||||||||
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Subject Keywords: | nematic; solids; disclinations; cones; anti-cones | |||||||||
Issue or Number: | 2128 | |||||||||
Record Number: | CaltechAUTHORS:20110317-105846413 | |||||||||
Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20110317-105846413 | |||||||||
Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
ID Code: | 22955 | |||||||||
Collection: | CaltechAUTHORS | |||||||||
Deposited By: | Tony Diaz | |||||||||
Deposited On: | 17 Mar 2011 19:17 | |||||||||
Last Modified: | 03 Oct 2019 02:42 |
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