SQUINT-A NONLINEAR FEATURE OF FLOW PATTERNS IN NEMATICS.

Research output: Contribution to conferencePaperpeer-review

Abstract

The curvature psi of an electronematodynamic flow pattern obeys, in the steady state, the nonlinear equation psi double prime plus q**2 psi - psi **3 plus b psi psi prime equals 0. The term psi psi prime , called squint, is studied. Squint originates in the distortion torque and the distortion stress. Squint brakes the axial inversion symmetry of a simple flow roll but preserves the reflection symmetry of a roll pair. Flow patterns are predicted to show an observable pairing of domain stripes. Terms unjustifiably discarded in the one-constant approximation are explicity introduced. The mean angle approximation which replaces the variable cofficients q**2 and b by constant mean values is also discussed and justified.

Original languageEnglish
Pagesc3. 259-c3. 262
StatePublished - 1 Jan 1978
EventCongr Int sur les Cristaux Liq, 7th - Bordeaux, Fr
Duration: 1 Jul 19785 Jul 1978

Conference

ConferenceCongr Int sur les Cristaux Liq, 7th
CityBordeaux, Fr
Period1/07/785/07/78

ASJC Scopus subject areas

  • General Engineering

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