nematic elastomer
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2022 ◽  
Vol 170 ◽  
pp. 108621
Author(s):  
Kai Li ◽  
Qi Wang ◽  
Peibao Xu
Keyword(s):  

2021 ◽  
Vol 129 (11) ◽  
pp. 114701
Author(s):  
Victoria Lee ◽  
Kaushik Bhattacharya
Keyword(s):  

2020 ◽  
Vol 40 ◽  
pp. 100936
Author(s):  
Xuming He ◽  
Yue Zheng ◽  
Qiguang He ◽  
Shengqiang Cai

2019 ◽  
Vol 25 ◽  
pp. 19 ◽  
Author(s):  
Carlos Mora-Corral ◽  
Marcos Oliva

We start from a variational model for nematic elastomers that involves two energies: mechanical and nematic. The first one consists of a nonlinear elastic energy which is influenced by the orientation of the molecules of the nematic elastomer. The nematic energy is an Oseen–Frank energy in the deformed configuration. The constraint of the positivity of the determinant of the deformation gradient is imposed. The functionals are not assumed to have the usual polyconvexity or quasiconvexity assumptions to be lower semicontinuous. We instead compute its relaxation, that is, the lower semicontinuous envelope, which turns out to be the quasiconvexification of the mechanical term plus the tangential quasiconvexification of the nematic term. The main assumptions are that the quasiconvexification of the mechanical term is polyconvex and that the deformation is in the Sobolev space W1,p (with p > n − 1 and n the dimension of the space) and does not present cavitation.


RSC Advances ◽  
2019 ◽  
Vol 9 (16) ◽  
pp. 8994-9000
Author(s):  
Vianney Gimenez-Pinto ◽  
Fangfu Ye

We study the rich actuation variety displayed by elastomers that combine well-defined isotropic regions and liquid crystalline regions. Design factors for actuation include orientation of director and pattern, domain-size and sample-size.


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