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190802 ||| eng |
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|a 9783030149277
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|a Holm, Sverre
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| 245 |
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|a Waves with Power-Law Attenuation
|h Elektronische Ressource
|c by Sverre Holm
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| 250 |
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|a 1st ed. 2019
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| 260 |
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|a Cham
|b Springer International Publishing
|c 2019, 2019
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| 300 |
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|a XXXIX, 312 p. 140 illus., 82 illus. in color
|b online resource
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| 505 |
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|a Preface -- Acknowledgements -- About the Author -- List of Symbols -- List of Figures -- List of Tables -- 1 Introduction -- Part I Acoustics and Linear Viscoelasticity -- 2 Classical Wave Equations -- 3 Models of Linear Viscoelasticity -- 4 Absorption Mechanisms and Physical Constraints -- Part II Modeling of Power-Law Media -- 5 Power-Law Wave Equations from Constitutive Equations -- 6 Phenomenological Power-Law Wave Equations -- 7 Justification for Power Laws and Fractional Models -- 8 Power Laws and Porous Media -- 9 Power Laws and Fractal Scattering Media -- Appendix A Mathematical Background -- Appendix B Wave and Heat Equations -- Index
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| 653 |
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|a Mechanics, Applied
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| 653 |
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|a Geophysics
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| 653 |
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|a Engineering Acoustics
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| 653 |
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|a Multibody Systems and Mechanical Vibrations
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| 653 |
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|a Mathematical Physics
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| 653 |
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|a Vibration
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| 653 |
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|a Acoustics
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| 653 |
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|a Mathematical physics
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| 653 |
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|a Multibody systems
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| 653 |
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|a Acoustical engineering
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| 653 |
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|a Ultrasonics
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| 041 |
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7 |
|a eng
|2 ISO 639-2
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| 989 |
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|b Springer
|a Springer eBooks 2005-
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| 028 |
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|a 10.1007/978-3-030-14927-7
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| 856 |
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|u https://doi.org/10.1007/978-3-030-14927-7?nosfx=y
|x Verlag
|3 Volltext
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| 082 |
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|a 534
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| 520 |
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|a This book integrates concepts from physical acoustics with those from linear viscoelasticity and fractional linear viscoelasticity. Compressional waves and shear waves in applications such as medical ultrasound, elastography, and sediment acoustics often follow power law attenuation and dispersion laws that cannot be described with classical viscous and relaxation models. This is accompanied by temporal power laws rather than the temporal exponential responses of classical models. The book starts by reformulating the classical models of acoustics in terms of standard models from linear elasticity. Then, non-classical loss models that follow power laws and which are expressed via convolution models and fractional derivatives are covered in depth. In addition, parallels are drawn to electromagnetic waves in complex dielectric media. The book also contains historical vignettes and important side notes about the validity of central questions. While addressed primarily tophysicists and engineers working in the field of acoustics, this expert monograph will also be of interest to mathematicians, mathematical physicists, and geophysicists. Couples fractional derivatives and power laws and gives their multiple relaxation process interpretation Investigates causes of power law attenuation and dispersion such as interaction with hierarchical models of polymer chains and non-Newtonian viscosity Shows how fractional and multiple relaxation models are inherent in the grain shearing and extended Biot descriptions of sediment acoustics Contains historical vignettes and side notes about the formulation of some of the concepts discussed
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