Authors:
- Authored by a leading expert in the field
- Self-contained graduate-level text
- Discusses both fundamentals and applications
Part of the book series: Lecture Notes in Physics (LNP, volume 946)
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Table of contents (13 chapters)
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Front Matter
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Back Matter
About this book
The ten Galilean Lie point symmetries of the fundamental action discussed in this book give rise to the conservation of energy, momentum, angular momentum and center of mass conservation laws via Noether’s first theorem. The advected invariants are related to fluid relabeling symmetries – so-called diffeomorphisms associated with the Lagrangian map – and are obtained by applying the Euler-Poincare approach to Noether’s second theorem.
The book discusses several variants of helicity including kinetic helicity, crosshelicity, magnetic helicity, Ertels’ theorem and potential vorticity, the Hollman invariant, and the Godbillon Vey invariant. The book develops the non-canonical Hamiltonian approach to MHD using the non-canonical Poisson bracket, while also refining the multisymplectic approach to ideal MHD and obtaining novel nonlocal conservation laws. It also briefly discusses Anco and Bluman’s direct method for deriving conservation laws.
A range of examples is used to illustrate topological invariants in MHD and fluid dynamics, including the Hopf invariant, the Calugareanu invariant, the Taylor magnetic helicity reconnection hypothesis for magnetic fields in highly conducting plasmas, and the magnetic helicity of Alfvén simple waves, MHD topological solitons, and the Parker Archimedean spiral magnetic field. The Lagrangian map is used to obtain a class of solutions for incompressible MHD. The Aharonov-Bohm interpretation of magnetic helicity and cross helicity is discussed. In closing, examples of magnetosonic N-waves are used to illustrate the role of the wave number and group velocity concepts for MHD waves.
This self-contained and pedagogical guide to the fundamentals will benefit postgraduate-level newcomers and seasoned researchers alike.
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Authors and Affiliations
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CSPAR, The University of Alabama in Huntsville, Huntsville, USA
Gary Webb
Bibliographic Information
Book Title: Magnetohydrodynamics and Fluid Dynamics: Action Principles and Conservation Laws
Authors: Gary Webb
Series Title: Lecture Notes in Physics
DOI: https://doi.org/10.1007/978-3-319-72511-6
Publisher: Springer Cham
eBook Packages: Physics and Astronomy, Physics and Astronomy (R0)
Copyright Information: Springer International Publishing AG 2018
Softcover ISBN: 978-3-319-72510-9Published: 06 February 2018
eBook ISBN: 978-3-319-72511-6Published: 05 February 2018
Series ISSN: 0075-8450
Series E-ISSN: 1616-6361
Edition Number: 1
Number of Pages: XIV, 301
Number of Illustrations: 6 b/w illustrations, 16 illustrations in colour
Topics: Fluid- and Aerodynamics, Plasma Physics, Geophysics/Geodesy, Space Sciences (including Extraterrestrial Physics, Space Exploration and Astronautics), Environmental Physics