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Nematic liquid crystalline elastomers are aeolotropic materials

Mihai, L. Angela ORCID:, Wang, Haoran, Guilleminot, Johann and Goriely, Alain 2021. Nematic liquid crystalline elastomers are aeolotropic materials. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 477 (2253) , 20210259. 10.1098/rspa.2021.0259

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Continuum models describing ideal nematic solids are widely used in theoretical studies of liquid crystal elastomers. However, experiments on nematic elastomers show a type of anisotropic response that is not predicted by the ideal models. Therefore, their description requires an additional term coupling elastic and nematic responses, to account for aeolotropic effects. In order to better understand the observed elastic response of liquid crystal elastomers, we analyse theoretically and computationally different stretch and shear deformations. We then compare the elastic moduli in the infinitesimal elastic strain limit obtained from the molecular dynamics simulations with the ones derived theoretically, and show that they are better explained by including nematic order effects within the continuum framework.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Mathematics
Publisher: Royal Society, The
ISSN: 1364-5021
Date of First Compliant Deposit: 4 August 2021
Date of Acceptance: 4 August 2021
Last Modified: 18 May 2023 15:33

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