Finite amplitude holmboe waves
作者:
W.D. Smyth,
G.P. Klaassen,
W.R. Peltier,
期刊:
Geophysical & Astrophysical Fluid Dynamics
(Taylor Available online 1988)
卷期:
Volume 43,
issue 2
页码: 181-222
ISSN:0309-1929
年代: 1988
DOI:10.1080/03091928808213625
出版商: Taylor & Francis Group
关键词: Shear flows;stability;stratified fluids
数据来源: Taylor
摘要:
We investigate the evolution of a parallel shear flow which has embedded within it a thin, symmetrically positioned layer of stable density stratification. The primary instability of this flow may deliver either Kelvin-Helmholtz waves or Holmboe waves, depending on the strength of the stratification. In this paper we describe a sequence of numerical simulations which reveal for the first time the behavior of the Holmboe wave at finite amplitude and clarify its structural relationship to the Kelvin-Helmholtz wave.
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