Two- and three-dimensional behavior of Rayleigh-Taylor and Kelvin-Helmholtz instabilities

Details Two- and three-dimensional behavior of Rayleigh-Taylor and Kelvin-Helmholtz instabilities Two- and three-dimensional behavior of Rayleigh-Taylor and Kelvin-Helmholtz instabilities

Aug 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991phrva..44.2756y&link_type=abstract

Physical Review A (ISSN 1050-2947), vol. 44, Aug. 15, 1991, p. 2756-2758.

Astronomy and Astrophysics

Astrophysics

22

Density Distribution, Flow Distribution, Kelvin-Helmholtz Instability, Taylor Instability, Boundary Layer Flow, Leading Edges, Supernova 1987A, Three Dimensional Models, Two Dimensional Models

Scientific paper

Interest in the Rayleigh-Taylor (RT) instability has recently grown in astrophysics because it may cause a mixing of materials in SN 1987A. This paper clearly demonstrates the different behavior of the RT instability in two and three dimensions. It is shown that mushroom structure due to the Kelvin-Helmholtz instability in three dimensions is much smaller than that in two dimensions and hence the nonlinear growth is faster in three dimensions. This difference cannot be explained by linear analysis.

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