期刊
PROCEEDINGS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES
卷 467, 期 2128, 页码 1121-1140出版社
ROYAL SOC
DOI: 10.1098/rspa.2010.0352
关键词
nematic; solids; disclinations; cones; anti-cones
资金
- EPSRC [EP/E051251/1, EP/F060033/1]
- EPSRC [EP/E051251/1, EP/F032773/1, EP/F060033/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/E051251/1, EP/F060033/1, EP/F032773/1] Funding Source: researchfish
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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