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NUMERIC MODELING OF STATIC ELECTRIC FIELD EFFECT ON NEMATIC LIQUID CRYSTAL DIRECTOR ORIENTATION

Authors: Ayriyan A.S.; Ayrjan E.A.; Egorov A.A.; Maslyanitsyn I.A.; Shigorin V.D.;

NUMERIC MODELING OF STATIC ELECTRIC FIELD EFFECT ON NEMATIC LIQUID CRYSTAL DIRECTOR ORIENTATION

Abstract

Для исследования влияния постоянного электрического поля на распределение ориентации директора нематического жидкого кристалла в ячейке с боковыми электродами рассмотрена двумерная модель эффекта Фредерикса. При решении поставленной задачи были использованы стандартные конечно-разностные методы. Разработаны программы численного решения двумерного параболического дифференциального уравнения 2-го порядка на языках Фортран и Си/Си++. Определена пороговая напряжённость поля для перехода Фредерикса в центральной части ячейки и получены профили распределения ориентации директора в зависимости от места его локализации и от величины сильного электрического поля. Проведено сравнение полученных результатов с экспериментом.

Two-dimensional model of Frederiks effect has been used for the investigation of the static electric field effect on nematic liquid crystal director orientation in the side-electrode cell. The solutions have been obtained by the standard finite-difference methods. The programmes for numerical solution of two-dimensional parabolic partial differential equation have been developed both in FORTRAN and C/C++. Frederiks transition threshold for the central part of the cell, as well as dependencies of the distribution of the director orientation on the high electric field have been obtained. The results of the calculation have been compared to the experiment.

Keywords

nematic liquid crystal, numerical solution, конечно-разностные методы, two-dimensional model of the Fredericks effect, finite-difference methods, директор, нематический жидкий кристалл, электрическое поле, численное решение, director, electric field, двумерная модель эффекта Фре-дерикса

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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