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邓辉舫

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期刊论文

three-dimensional modelling of liquid crystaldisplay cells using finite elements

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mol. cryst. liq. cryst., vol. 375, pp. 291-299,-0001,():

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摘要/描述

a computer modelling method for the three-dimensionaldynamic analysis of liquid crystal display cells is presented. themethod is based on a variational approach to the oseen-frank freeenergy formulation considering three elastic constants and uses avectorial representation of the director field. a simpler approximateform that uses only two elastic constants but is faster to operate isobtained as a by-product of the full three-constant modelimplementation. the modelling uses finite elements on a mesh oftetrahedral elements for the calculation of directors and electricpotentials while finite differences in time are used in the time steppingprocess. comparisons are made with results from a 2d dynamicprogram using a tensor model giving good agreement.

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