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1 February 1998 Threshold deformations in sheared planar cholesteric layers
Grzegorz Derfel, Dariusz Krzyzanski
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Proceedings Volume 3318, Liquid Crystals: Physics, Technology, and Applications; (1998) https://doi.org/10.1117/12.299990
Event: Liquid Crystals, 1997, Zakopane, Poland
Abstract
The shear flow induced deformation of the planar long pitch flow-aligning cholesteric was modeled numerically. Three pitch-to-thickness ratios, with the midplane director perpendicular to the plane of shear, were considered.Unwinding of the cholesteric helix due to the flow alignment was found. A threshold character of this process was revealed. At high stress, the director in the prevailing part of the layer was oriented at the flow- aligning angle. The transverse component of the flow was always present.
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Grzegorz Derfel and Dariusz Krzyzanski "Threshold deformations in sheared planar cholesteric layers", Proc. SPIE 3318, Liquid Crystals: Physics, Technology, and Applications, (1 February 1998); https://doi.org/10.1117/12.299990
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KEYWORDS
Liquid crystals
Numerical modeling
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