3 years ago

From molecular to continuum modelling of bistable liquid crystal devices

From molecular to continuum modelling of bistable liquid crystal devices
Chong Luo, Patrick E. Farrell, Apala Majumdar, Martin Robinson, Radek Erban

ABSTRACT

We study nematic equilibria on a square with tangent Dirichlet conditions on the edges, in three different modelling frameworks: (i) the off-lattice Hard Gaussian Overlap and Gay–Berne models; (ii) the lattice-based Lebwohl–Lasher model; and the (iii) two-dimensional Landau-de Gennes model. We compare the modelling predictions, identify regimes of agreement and in the Landau-de Gennes case, find up to 21 different equilibria. Of these, two are physically stable.

Publisher URL: http://www.tandfonline.com/doi/full/10.1080/02678292.2017.1290284

DOI: 10.1080/02678292.2017.1290284

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