研究目的
To investigate the static electric field effect on the orientation of the nematic liquid crystal (LC) director in a side-electrode cell using a two-dimensional model of the Frederiks effect.
研究成果
The two-dimensional model correctly describes the director's orientation in the absence of a constant electric field but does not fully explain the effects of a pulse-periodic electric field, indicating the need for further research with more complex models.
研究不足
The model does not fully explain the effects observed in experiments with a strong pulse-periodic electric field, suggesting the need for more complex dynamic equations.
1：Experimental Design and Method Selection:
A two-dimensional model of the Frederiks effect was used to study the effect of a constant electric field on the orientation of the nematic LC director. The solutions were obtained using standard finite-difference methods.
2：Sample Selection and Data Sources:
The study focused on a nematic LC in a cell with side electrodes.
3：List of Experimental Equipment and Materials:
The study utilized numerical methods and programming in FORTRAN and C/C++ for solving the differential equations.
4：Experimental Procedures and Operational Workflow:
The boundary-value problem was approximated by finite-difference schemes and solved on a sequence of grids to ensure accuracy.
5：Data Analysis Methods:
The results were compared with experimental data to validate the model.
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