Vol. 66, No. 3, 2020

Acoustical Physics

Classical Problems of Linear Acoustics and Wave Theory

An Asymptotic Approach to the Calculation of Wave Fields in a Layer with a Defect with a Small Characteristic Size

A. O. Vatul’yan and O. A. Belyak p. 213 abstract

Analysis of the Anomalous Transparency Effect of the Water–Air Interface

A. P. Voloshchenko p. 220 abstract

Elastic Waves in Cylindrical Metal Wedges with Different Geometries

A. I. Korobov, M. Yu. Izosimova, A. A. Agafonov, A. I. Kokshaiskii and R. A. Zhostkov p. 228 abstract

Nonlinear Acoustics

Modular “Solitons”: Mutual Absorption and Annihilation in Dissipative Media

O. A. Vasilieva and O. V. Rudenko p. 235 abstract

Parametric Study of Driver and Reflector of Single Axis Acoustic Levitator using Finite Element Method

Saurabh Yadav and Arpan Gupta p. 242 abstract

Physical Acoustics

Propagation of Elastic Waves in Dynamically Self-Similar Structures (Dynamic Fractals)

L. Ya. Banakh p. 250 abstract

Collimation of Acoustic Radiation via Zero–Refraction–Index 2D Periodic Structures

V. I. Golovanov and K. F. Shipilov p. 257 abstract

A Piezoceramic Resonator for Sonoluminescence Analysis

R. V. Kozabaranov, V. A. Borisenok, I. N. Didenkulov, A. S. Burkatsky, A. S. Egorov, D. A. Litvinov and V. V. Chernov p. 262 abstract

Laser Optoacoustic Study of the Structural Inhomogeneity of a Magnetic Fluid by Reconstruction of the Spatial Distribution of the Light Extinction Coefficient

Yu. G. Sokolovskaya, N. B. Podymova and A. A. Karabutov p. 268 abstract

Ocean Acoustics. Hydroacoustics

Spatial Vector–Scalar Structure of Low-Frequency Fields of Multipole Sources in Interference Maxima Zones

G. N. Kuznetsov and A. N. Stepanov p. 277 abstract

Ocean Acoustics and Underwater Acoustics

Cross-Spectral Density Sensitivity Kernels in Surface Noise Field

Guangying Zheng, Yang Dong, You Shao, Hongsong Zhou and Junyu Fu p. 290 abstract

Atmospheric and Aeroacoustics

Comparison of the Noise Directivity Pattern of the Main Rotor of a Helicopter for Flight and Hover Modes

V. I. Vorontsov, G. A. Faranosov, S. A. Karabasov and M. Yu. Zaitsev p. 303 abstract

Acoustic Ecology. Noise and Vibration

Study of the Possibility of Localizing Multiple Vibration Sources in a Mechanoacoustic System with a Large Number of Degrees of Freedom

N. A. Kutuzov, A. A. Rodionov, A. V. Stulenkov and A. S. Suvorov p. 313 abstract

Room Acoustics. Musical Acoustics

Maximum Sound Absorption by a Monopole in a Room at Low Frequencies

N. G. Kanev p. 320 abstract

Physical Foundations of Technical Acoustics

Laboratory Experimental Facility for Studying Metamaterial Sound-absorbing Duct Linings with Grazing Sound Propagation and How the Type of Source Influences their Efficiency

Yu. I. Bobrovnitskii, T. M. Tomilina, B. N. Bakhtin, A. S. Grebennikov, S. A. Asfandiyarov, I. A. Karpov and A. A. Kim p. 324 abstract

Information

The Process of the Aging of Articles on Acoustics. The View from Akusticheskii Zhurnal

V. G. Shamaev and A. B. Gorshkov p. 333 abstract

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