Manipulation of Sound Properties by Acoustic Metasurface and Metastructure

• Main Author: Zhao, Jiajun (Author)
• Corporate Author: SpringerLink (Online service)
• Format: Electronic eBook
• Language: English
• Published: Singapore : Springer Singapore : Imprint: Springer, 2016.
• Series: Springer Theses, Recognizing Outstanding Ph.D. Research,
• Subjects: Materials science.; Acoustics.; Acoustical engineering.; Materials > Surfaces.; Thin films.; Materials Science.; Surfaces and Interfaces, Thin Films.; Engineering Acoustics.

This thesis focuses on the manipulation of sound properties by artificial materials. It elaborates on the fundamental design of acoustic metasurfaces and metastructures as the extension of metamaterials, and their functionality in the manipulation of sound properties. A broad and comprehensive guide...

Table of Contents:

• Introduction
• Manipulating Acoustic Wavefront with Metasurface of Inhomogeneous Impedance
• Redirecting Acoustic Waves Out of the Incident Plane
• Manipulating Acoustic Focus with an Active Metasurface Piezoelectric Transducer
• Realizing Acoustic Cloaking and Near-Zero Density with Acoustic Metastructure
• Future Work.