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Suppression of Rayleigh–Taylor instability using electric fields

Author

Listed:
  • Barannyk, Lyudmyla L.
  • Papageorgiou, Demetrios T.
  • Petropoulos, Peter G.

Abstract

This study considers the stability of two stratified immiscible incompressible fluids in a horizontal channel of infinite extent. Of particular interest is the case with the heavier fluid initially lying above the lighter fluid, so that the system is susceptible to the classical Rayleigh–Taylor instability. An electric field acting in the horizontal direction is imposed on the system and it is shown that it can act to completely suppress Rayleigh–Taylor instabilities and produces a dispersive regularization in the model. Dispersion relations are derived and a class of nonlinear traveling waves (periodic and solitary) is computed. Numerical solutions of the initial value problem of the system of model evolution equations that demonstrate a stabilization of Rayleigh–Taylor instability due to the electric field are presented.

Suggested Citation

  • Barannyk, Lyudmyla L. & Papageorgiou, Demetrios T. & Petropoulos, Peter G., 2012. "Suppression of Rayleigh–Taylor instability using electric fields," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 82(6), pages 1008-1016.
  • Handle: RePEc:eee:matcom:v:82:y:2012:i:6:p:1008-1016
    DOI: 10.1016/j.matcom.2010.11.015
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