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Warner M. Mechanical and optical bending of nematic elastomer cantilevers. Phys Rev E Stat Nonlin Soft Matter Phys. 2012;86(2):022701doi: 10.1103/PhysRevE.86.022701.
Warner, M. (2012). Mechanical and optical bending of nematic elastomer cantilevers. Physical review. E, Statistical, nonlinear, and soft matter physics, 86(2), 022701. https://doi.org/10.1103/PhysRevE.86.022701
Warner, M. "Mechanical and optical bending of nematic elastomer cantilevers." Physical review. E, Statistical, nonlinear, and soft matter physics vol. 86,2 (2012): 022701. doi: https://doi.org/10.1103/PhysRevE.86.022701
Warner M. Mechanical and optical bending of nematic elastomer cantilevers. Phys Rev E Stat Nonlin Soft Matter Phys. 2012 Aug;86(2):022701. doi: 10.1103/PhysRevE.86.022701. Epub 2012 Aug 22. PMID: 23005811.
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Phys Rev E Stat Nonlin Soft Matter Phys. 2012 Aug;86(2):022701. doi: 10.1103/PhysRevE.86.022701. Epub 2012 Aug 22.

Mechanical and optical bending of nematic elastomer cantilevers.

Physical review. E, Statistical, nonlinear, and soft matter physics

M Warner

Affiliations

  1. Cavendish Laboratory, University of Cambridge, 19 JJ Thomson Avenue, Cambridge CB3 0HE, United Kingdom.

PMID: 23005811 DOI: 10.1103/PhysRevE.86.022701

Abstract

We describe how bend imposed on a nematic elastomer cantilever can be accommodated with little or no internal stress by the director rotating. Thus, for a range of imposed curvatures that we calculate, there is no countertorque. Equally nonclassically, in such beams there is associated transverse curvature (clasticity). When instead bend is induced by illumination which causes spatially dependent contractions, director rotation can also act to vitiate stresses, but then (anti-)clasticity and its suppression has to be resolved, sometimes at the cost of stress creation.

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