Chaotic advection in pulsed source–sink systems
作者:
Scott W. Jones,
Hassan Aref,
期刊:
Physics of Fluids(00319171)
(AIP Available online 1988)
卷期:
Volume 31,
issue 3
页码: 469-485
ISSN:0031-9171
年代: 1988
DOI:10.1063/1.866828
出版商: AIP
数据来源: AIP
摘要:
The onset of chaos in passive advection of particles by flow caused by a pulsed source–sink system is documented. This type of model is of interest in various applications. It is of fundamental interest as the first example of a flow without circulation about any contour at any instant displaying chaotic particle paths. Standard chaos diagnostics such as Poincare´ sections and Lyapunov exponents are studied as are more conventional flow visualization measures such as streaklines. Numerical stirring experiments for various collections of particles are performed and the properties of a certain one‐dimensional map induced by the two‐dimensional flow are examined.
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