Poiseuille flow of a smectic a liquid crystal

Alan Walker, Iain W. Stewart

Research output: Contribution to journalArticlepeer-review


This article considers the dynamics of smectic A liquid crystals subjected to Poiseuille flow. Linearised governing equations are constructed using a recent dynamic theory for Smectic A [1]. These equations are solved analytically and the consequent solutions are then calculated for some typical experimental data in order to determine the explicit flow behaviour. Stability of flow and layer structure solutions are proved. Results show how the response time for small perturbations to the smectic layers depends upon the permeation constant and the layer compression modulus. [1] I.W. Stewart, Dynamic theory for smectic A liquid crystals, Continuum Mech. Thermodyn. 18 (2007) 343-360.
Original languageEnglish
Pages (from-to)1961 - 1970
Number of pages9
JournalInternational Journal of Engineering Science
Issue number12
Publication statusPublished - 15 Sept 2010


  • Smectic liquid crystals
  • Poiseuille flow
  • Permeation


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