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Issue 46, 2017
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Frame, metric and geodesic evolution in shape-changing nematic shells

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Abstract

Non-uniform director fields in flat, responsive, glassy nematic sheets lead to the induction of shells with non-trivial topography on the application of light or heat. Contraction along the director causes metric change, with, in general, the induction of Gaussian curvature, that drives the topography change. We describe the metric change, the evolution of the director field, and the transformation of reference state material curves, e.g. spirals into radii, as curvature develops. The non-isometric deformations associated with heat or light change the geodesics of the surface, intriguingly even in regions where no Gaussian curvature results.

Graphical abstract: Frame, metric and geodesic evolution in shape-changing nematic shells

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Publication details

The article was received on 08 Aug 2017, accepted on 06 Nov 2017 and first published on 16 Nov 2017


Article type: Paper
DOI: 10.1039/C7SM01596H
Citation: Soft Matter, 2017,13, 8858-8863
  • Open access: Creative Commons BY license
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    Frame, metric and geodesic evolution in shape-changing nematic shells

    C. Mostajeran, M. Warner and C. D. Modes, Soft Matter, 2017, 13, 8858
    DOI: 10.1039/C7SM01596H

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