Acoustic Invisibility for Elliptic Objects: Theory and Experiments for Underwater Sound (SpringerBriefs in Applied Sciences and Technology) - Softcover

Buch 259 von 322: SpringerBriefs in Applied Sciences and Technology

Quadrelli, Davide Enrico; Braghin, Francesco

 
9783031226021: Acoustic Invisibility for Elliptic Objects: Theory and Experiments for Underwater Sound (SpringerBriefs in Applied Sciences and Technology)
Softcover
ISBN 10: 303122602X ISBN 13: 9783031226021
Verlag: Springer, 2023

Inhaltsangabe

The book investigates acoustic cloaking for elliptical targets, starting from the development of a systematic approach to deal with such non-axisymmetrical shapes by adopting transformation acoustics in elliptic coordinates, and concluding with numerical and experimental validation of a microstructured cloak in the underwater environment. The book thus comprises all the steps from theory to practice that led to the first experimental validation of acoustic invisibility for non-cylindrical objects, whose results are presented in the last chapter. Indeed, despite Transformation Theory is now an established tool to design material distributions capable to unlock the design of invisibility devices, it is not trivial to apply it for shapes different than the sphere and the cylinder, which are thus the ones mainly addressed in the literature. This book paves the way for exploration of other shapes, demonstrating the effectiveness of a pentamode cloak in reducing the acoustic visibility of anelliptical target, and discussing design choices that can make the implementation of the required microstructure less cumbersome despite the lack of axial symmetry of the problem, from both the numerical and manufacturing point of views.

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The book investigates acoustic cloaking for elliptical targets, starting from the development of a systematic approach to deal with such non-axisymmetrical shapes by adopting transformation acoustics in elliptic coordinates, and concluding with numerical and experimental validation of a microstructured cloak in the underwater environment. The book thus comprises all the steps from theory to practice that led to the first experimental validation of acoustic invisibility for non-cylindrical objects, whose results are presented in the last chapter. Indeed, despite Transformation Theory is now an established tool to design material distributions capable to unlock the design of invisibility devices, it is not trivial to apply it for shapes different than the sphere and the cylinder, which are thus the ones mainly addressed in the literature. This book paves the way for exploration of other shapes, demonstrating the effectiveness of a pentamode cloak in reducing the acoustic visibility of anelliptical target, and discussing design choices that can make the implementation of the required microstructure less cumbersome despite the lack of axial symmetry of the problem, from both the numerical and manufacturing point of views.

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Verlag
Springer
Erscheinungsdatum
2023
Sprache
Englisch
ISBN 10 
303122602X
ISBN 13 
9783031226021
Einband
Taschenbuch
Auflage
1
Anzahl der Seiten
96
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Darmstadt
64293
Deutschland

Weitere beliebte Ausgaben desselben Titels

9783031226045: Acoustic Invisibility for Elliptic Objects: Theory and Experiments for Underwater Sound

Vorgestellte Ausgabe

ISBN 10:  3031226046 ISBN 13:  9783031226045
Verlag: Springer, 2023
Softcover