Composite Structures and Metamaterials in Acoustic and Ultrasonic Applications

Dear Colleagues,

Composite structures and metamaterials, when properly designed, can be effectively used to manipulate acoustic/elastic waves. Understanding and conscious control of the acoustic properties of these artificial materials provide the basis for a wide variety of practical applications such as reduction of noise and vibrations, waveguiding, filtering, acoustic focusing, sensing, acoustic manipulating of objects, cloaking, etc. Composite materials can exhibit extraordinary acoustic properties not found in natural materials due to their special structural and component organization. Tunable acoustic composites and metamaterials further elevate this potential, enabling dynamic adjustments to suit specific applications. The transition from passive to active composite materials (for example, with a piezoelectric component) provides enhanced benefits when manipulating acoustic fields. In addition to the development of functional composites, the inverse problem, which consists in the use of ultrasonic methods and techniques to analyze characteristics of composite materials, is also of interest. Research involving studies of relationship between the structure and properties of acoustic composites and metamaterials, novel approaches in their designing and fabrication techniques, characterization, and potential applications are relevant from both theoretical and practical points of view.

Key topics to be covered include but are not limited to:

• composite media and metamaterials for acoustic control and attenuation
• tunable acoustic composites and metamaterials
• active acoustic composite materials with piezoelectric components
• modelling and simulations of acoustic composite media and metamaterials
• use of composite materials in acoustic sensors
• ultrasonic characterization and treatment of composite materials
• propagation of elastic waves through organic and mixed organic-inorganic composite layers
• composite structures and metamaterials for both manipulating acoustic and electromagnetic waves

Dr. Nikolay Mukhin
Guest Editor

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• acoustic composites and metamaterials
• tunable and active acoustic composite materials
• ultrasonic characterization of composite materials
• propagation and dissipation of acoustic waves in composite materials
• acoustic applications of composite structures