Barriers and transport in unsteady flows : a Melnikov approach /

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Bibliographic Details
Author / Creator:Balasuriya, Sanjeeva, author.
Imprint:Philadelphia, Pennsylvania : Society for Industrial and Applied Mathematics (SIAM, 3600 Market Street, Floor 6, Philadelphia, PA 19104), [2017]
Description:1 online resource (xiv, 264 pages).
Series:Mathematical modeling and computation
Mathematical modeling and computation.
Subject:Unsteady flow (Fluid dynamics)
Fluid dynamics.
Fluid dynamics.
Unsteady flow (Fluid dynamics)
Electronic books.
Format: E-Resource Book
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Other authors / contributors:Society for Industrial and Applied Mathematics, publisher.
Notes:Includes bibliographical references and index.
Title page of print version.
Summary:Fluids that mix at geophysical or microscales tend to form well-mixed areas and regions of coherent blobs. The Antarctic circumpolar vortex, which mostly retains its structure while moving unsteadily in the atmosphere, is an example of a coherent structure. How do such structures exchange fluid with their surroundings? What is the impact on global mixing? What is the "boundary" of the structure, and how does it move? Can these questions be answered from time-varying observational data? This book addresses these issues from the perspective of the differential equations that must be obeyed by fluid particles. In these terms, identification of the boundaries of coherent structures (i.e., "flow barriers"), quantification of transport across them, control of the locations of these barriers, and optimization of transport across them are developed using a rigorous mathematical framework. The concepts are illustrated with an array of theoretical and applied examples that arise from oceanography and microfluidics. Barriers and Transport in Unsteady Flows: A Melnikov Approach provides an extensive introduction and bibliography, specifically elucidating the difficulties arising when flows are unsteady and highlighting relevance in geophysics and microfluidics; careful and rigorous development of the mathematical theory of unsteady flow barriers within the context of nonautonomous stable and unstable manifolds, richly complemented with examples; and chapters on exciting new research in the control of flow barriers and the optimization of transport across them.
Other form:Print version: 9781611974577
Standard no.:MM21
Publisher's no.:MM21 SIAM