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Acoustics
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Resonators in Acoustics (2nd Edition)
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Special Issue "Resonators in Acoustics (2nd Edition)"

A special issue of Acoustics (ISSN 2624-599X).

Deadline for manuscript submissions: 31 December 2023 | Viewed by 2601

Special Issue Editor

Dr. Nikolay Kanev

E-Mail Website
Guest Editor
Theoretical Department, Andreyev Acoustics Institute, Moscow 117036, Russia
Interests: helmholtz resonator; low frequency
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Today, resonators are widely used in different fields of acoustics. Although the first mentionof resonant devices can be found in ancient manuscripts, their scientific study began much later with the well-known Helmholtz resonator, which was an effective absorber and scatterer of sound waves. The theory of resonant acoustic phenomena was founded by Helmholtz, Rayleigh, and other scientists, and continues to be developed intensively by researchers and engineers in various fields. Since then, resonators have been successfully applied to architectural acoustics, noise and vibration control, medical applications, measurement technologies, sound radiation, new sensors, and variety of other inventions. 

In recent years, new metamaterials and metastructures with unusual properties have been developed on the basis of using the simplest resonant elements; the theory of resonators has assisted in elaborating new techniques for active sound control. Therefore, resonators remain highly valuable to both fundamental research and engineering investigations.

Taking into account the relevance of this topic and the great interest of many researchers, we devote thisSpecial Issue of the journal Acoustics to resonators in acoustics. The first volume of this Special Issue published 10 interesting papers, with more than 20,000 views. This new volume aims to attract the latest findings concerning the application of resonators in acoustics. New ideas and approaches, theoretical studies, and the technical implementation of resonators in various acoustic fields are within the scope of this Special Issue. Submissions with original results, as well as reviews, are most welcome in this Special Issue.

Dr. Nikolay Kanev
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Acoustics is an international peer-reviewed open access quarterly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • theory of resonators
  • modelling and simulation of acoustic resonators
  • new types of resonators
  • resonant devices in acoustics
  • resonators for noise and vibration control
  • absorption and scattering of sound waves by resonators
  • new application of resonators
  • metamaterials based on resonance phenomena
  • experimental study
  • active resonators
  • resonators in engineering

Related Special Issue

Published Papers (2 papers)

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Article
An Acoustoelectric Approach to Neuron Function
by
Jörg P. Kotthaus
Acoustics 2023, 5(3), 601-618; https://doi.org/10.3390/acoustics5030037 - 22 Jun 2023
Viewed by 1061
Abstract
An acoustoelectric approach to neuron function is proposed that combines aspects of the widely accepted electrical-circuit-based Hodgkin–Huxley model for the generation and propagation of action potentials via electric polarization with mechanical models based on propagation via capillary waves. Explaining measured velocities of action [...] Read more.
An acoustoelectric approach to neuron function is proposed that combines aspects of the widely accepted electrical-circuit-based Hodgkin–Huxley model for the generation and propagation of action potentials via electric polarization with mechanical models based on propagation via capillary waves. Explaining measured velocities of action potentials quantitatively, it also predicts the electrical tunability of highly anisotropic polarization packages that surf on the dynamic mechanical force field deforming the neuron membrane. It relies substantially on the local motion of dipoles formed by excess charges close to the inside surface of the neuron membrane, which in turn are anisotropically screened by water molecules in their hydration shell, thus modulating the strong electric field at the interface. As demonstrated on acoustic resonators of suspended nanowires fabricated out of amorphous dipolar silicon nitride, high electric fields combined with predominantly axial-strain modulation can cause transverse acoustoelectric polarization waves that propagate soliton-like with extremely low loss. In neurons, the modulation of electric polarization is confined in the nanometer-thin skin of a high electric field inside the neuron membrane and propagates phase-coherent along the axon as a lowest-order one-dimensional breathing mode, similar to transverse polarization pulses studied in nanowire resonators. Some experiments for the further manifestation of the model as well as topological protection of such breathing-mode polarization waves are discussed. Full article
(This article belongs to the Special Issue Resonators in Acoustics (2nd Edition))
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Article
IIR Cascaded-Resonator-Based Complex Filter Banks
by
Miodrag D. Kušljević
,
Vladimir V. Vujičić
,
Josif J. Tomić
and
Predrag D. Poljak
Acoustics 2023, 5(2), 535-552; https://doi.org/10.3390/acoustics5020032 - 30 May 2023
Viewed by 1096
Abstract
The use of a filter bank of IIR filters for the spectral decomposition and analysis of signals has been popular for many years. As such, a new filter-bank resonator-based structure, representing an extremely hardware-efficient structure, has received a good deal of attention. Recently, [...] Read more.
The use of a filter bank of IIR filters for the spectral decomposition and analysis of signals has been popular for many years. As such, a new filter-bank resonator-based structure, representing an extremely hardware-efficient structure, has received a good deal of attention. Recently, multiple-resonator (MR)-based and general cascaded-resonator (CR)-based filters have been proposed. In comparison to single-resonator-based analyzers, analyzers with a higher multiplicity of resonators in the cascade provide lower side lobes and a higher attenuation in stopbands. In previous works, it was shown that the CR-based filter bank with infinite impulse response (IIR) filters, which is numerically more efficient than one with finite impulse response (FIR) filters, is suitable for dynamic harmonic analysis. This paper uses the same approach to design complex digital filter banks. In the previous case, the optimization task referred to the frequency responses of harmonic filters. In this work, the harmonic filters of the mother filter bank are reshaped so that the frequency response of the sum (or difference, depending on the parity of the number of resonators in the cascade) of two adjacent harmonic filters is optimized. This way, an online adaptive filter base can be obtained. The bandwidth of the filters in the designed filter bank can be simply changed online by adding or omitting the output signals of the corresponding harmonics of the mother filter. Full article
(This article belongs to the Special Issue Resonators in Acoustics (2nd Edition))
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