Symmetry, Phase Modulation and Nonlinear Waves
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Part of Cambridge Monographs on Applied and Computational Mathematics
- Author: Thomas J. Bridges, University of Surrey
- Date Published: July 2017
- availability: Available
- format: Hardback
- isbn: 9781107188846
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Nonlinear waves are pervasive in nature, but are often elusive when they are modelled and analysed. This book develops a natural approach to the problem based on phase modulation. It is both an elaboration of the use of phase modulation for the study of nonlinear waves and a compendium of background results in mathematics, such as Hamiltonian systems, symplectic geometry, conservation laws, Noether theory, Lagrangian field theory and analysis, all of which combine to generate the new theory of phase modulation. While the build-up of theory can be intensive, the resulting emergent partial differential equations are relatively simple. A key outcome of the theory is that the coefficients in the emergent modulation equations are universal and easy to calculate. This book gives several examples of the implications in the theory of fluid mechanics and points to a wide range of new applications.
Read more- Leads to a deeper understanding of the underlying theory of phase modulation
- Encourages new interpretations of well-known examples that point to new applications of model equations
- Provides a new tool for fluids and waves applications that opens the door to new simplified models
Reviews & endorsements
'This book has been written by a well-established researcher in the field. His expertise is evidenced by the deft exposition of relatively challenging material. In that regard, one of the very useful functions of this book is its provision of a number of background mathematical techniques in Hamiltonians systems, symplectic geometry, Noether theory and Lagrangian field theory.' K. Alan Shore, Contemporary Physics
See more reviews'The book is clearly written, and only the most basic knowledge of Hamiltonian and Lagrangian theories is required.' Wen-Xiu Ma, MathSciNet
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×Product details
- Date Published: July 2017
- format: Hardback
- isbn: 9781107188846
- length: 236 pages
- dimensions: 235 x 157 x 17 mm
- weight: 0.46kg
- contains: 12 b/w illus.
- availability: Available
Table of Contents
1. Introduction
2. Hamiltonian ODEs and relative equilibria
3. Modulation of relative equilibria
4. Revised modulation near a singularity
5. Introduction to Whitham Modulation Theory – the Lagrangian viewpoint
6. From Lagrangians to Multisymplectic PDEs
7. Whitham Modulation Theory – the multisymplectic viewpoint
8. Phase modulation and the KdV equation
9. Classical view of KdV in shallow water
10. Phase modulation of uniform flows and KdV
11. Generic Whitham Modulation Theory in 2+1
12. Phase modulation in 2+1 and the KP equation
13. Shallow water hydrodynamics and KP
14. Modulation of three-dimensional water waves
15. Modulation and planforms
16. Validity of Lagrangian-based modulation equations
17. Non-conservative PDEs and modulation
18. Phase modulation – extensions and generalizations
Appendix A. Supporting calculations – 4th and 5th order terms
Appendix B. Derivatives of a family of relative equilibria
Appendix C. Bk and the spectral problem
Appendix D. Reducing dispersive conservation laws to KdV
Appendix E. Advanced topics in multisymplecticity
References
Index.
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