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Chinese Journal of High Pressure Physics  > 2003  >  17(3): 180-186 .
XU Li, SUN Jin-Shan. A Comparative Study of the Evolution of R-T Instability in Two and Three Dimensions[J]. Chinese Journal of High Pressure Physics, 2003, 17(3): 180-186 . doi: 10.11858/gywlxb.2003.03.004
Citation: XU Li, SUN Jin-Shan. A Comparative Study of the Evolution of R-T Instability in Two and Three Dimensions[J]. Chinese Journal of High Pressure Physics, 2003, 17(3): 180-186 . doi: 10.11858/gywlxb.2003.03.004
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A Comparative Study of the Evolution of R-T Instability in Two and Three Dimensions

doi: 10.11858/gywlxb.2003.03.004

  • Beijing Graduate School, Chinese Academy of Engineering Physics, 100088, China

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  • Corresponding author: XU Li
  • Received Date: 12 Sep 2002
  • Rev Recd Date: 28 Feb 2003
  • Publish Date: 05 Sep 2003
    Abstract
  • Rayleigh-Taylor (R-T) instability at the interface of two different fluids is studied analytically by using perturbation method. We analyze and compare the linear and nonlinear growth of R-T instability in two (2D) and three (3D) dimensions. The obtained conclusion includes, (1) linear growth of the instability in 3D is faster than that in 2D, and growing exponential of identical initial perturbation wavelength in one dimension is affected by that in others, (2) perturbation growth profile of R-T instability in 3D is different from that in 2D after allowing for nonlinear evolution.

     

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