Couette flow of a smectic A liquid crystal

Walker, A.J. and Stewart, I.W. (2009) Couette flow of a smectic A liquid crystal. Journal of Physics: Condensed Matter, 21 (15). pp. 155101-1. ISSN 0953-8984

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Abstract

This paper considers the dynamics of cylindrically arranged parallel layers of smectic A liquid crystal subjected to Couette flow. Governing equations are constructed using a recently developed dynamic theory for smectic A (Stewart 2007 Contin. Mech. Thermodyn. 18 343-60). These equations are solved to provide analytical solutions for the smectic layer undulations and velocity profiles. Results show the dependence of the response time of the smectic layers upon the permeation constant and the layer compression modulus. The relaxation times for the flow profiles are shown to depend upon two viscosities; estimates for these times are shown to be shorter than that for a typical approximation to the relaxation time of the smectic layer undulations.

ORCID iDs

Walker, A.J. and Stewart, I.W. ORCID logoORCID: https://orcid.org/0000-0002-4374-9842;
  • Item type:Article
    ID code:19219
    Dates:
    Date
    Event
    15 April 2009
    Published
    Keywords:undulation, alignment, soft matter, liquids, polymers, fluid dynamics, Mathematics, Physics, Materials Science(all), Condensed Matter Physics
    Subjects:Science > Mathematics
    Science > Physics
    Department:Faculty of Science > Mathematics and Statistics
    Depositing user: Strathprints Administrator
    Date deposited:14 Jun 2010 15:50
    Last modified:20 Jan 2021 18:43
    URI:https://strathprints.strath.ac.uk/id/eprint/19219
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