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Advanced Vibro-Acoustic Technology: Intelligent Algorithms, Smart Materials and Dynamics, 2nd Edition

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Acoustics and Vibrations".

Deadline for manuscript submissions: 20 November 2026 | Viewed by 863

Special Issue Editors

School of Aerospace Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
Interests: vibro-acoustics energy harvesting and control; nonlinear dynamics; machine learning in control
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues, 

Vibration and acoustics are everywhere in the environment, e.g., ocean waves, flutter, pipeline vibration, wind-induced vibration, jet noise, and underwater noise. Vibro-acoustics control and utilization are promising in modern industry, as they can support self-powered sensors in the Environment Internet of Things (EIOT), along with the abatement of unnecessary vibration and noise and acoustic target tracking. New advanced technologies, including intelligent algorithms, smart materials, and advanced analysis methods, can produce revolutionary progress in vibro-acoustics control and utilization. Thus, this Special Issue aims to collect the latest research advances in vibro-acoustics control and utilization using intelligent algorithms, smart materials, and advanced analysis methods. This Special Issue is focused on, but not limited to, the following themes:

  • Innovative intelligent algorithms for vibration/acoustics-based energy harvesting, control, target tracking, and diagnosis;
  • Analyses of vibration/acoustics energy harvesting and control using functional and smart materials;
  • Fluid–solid interaction, flow-induced noise in energy harvesting or control using intelligent algorithms, new smart materials, and dynamic mechanisms;
  • Innovative vibration/acoustics control algorithms such as machine-learning-based methods;
  • Experimental investigation of vibro-acoustics energy harvesting, control, target tracking, and diagnosis;
  • Advanced vibration/acoustics energy harvesting or control in aerospace, marine, civil engineering, etc.

Dr. Kai Yang
Prof. Dr. Junlei Wang
Guest Editors

Manuscript Submission Information

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Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 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

  • vibro-acoustics control
  • intelligent algorithms
  • vibration/acoustics energy harvesting
  • functional and smart materials

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Related Special Issue

Published Papers (2 papers)

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Research

26 pages, 3171 KB  
Article
Research on the Longitudinal Vibration of Elevators Under External Excitations
by Zhongxu Tian, Pengtao Lu, Muyao Chen and Jiayi Xie
Appl. Sci. 2026, 16(10), 4957; https://doi.org/10.3390/app16104957 - 15 May 2026
Viewed by 107
Abstract
To address the longitudinal vibration issues in high-speed elevators induced by external excitations, this study constructs a high-precision multi-degree-of-freedom (MDOF) dynamic model to systematically analyze vertical dynamic response characteristics. Utilizing the substructure method, the complex traction system is decomposed into several subsystems, including [...] Read more.
To address the longitudinal vibration issues in high-speed elevators induced by external excitations, this study constructs a high-precision multi-degree-of-freedom (MDOF) dynamic model to systematically analyze vertical dynamic response characteristics. Utilizing the substructure method, the complex traction system is decomposed into several subsystems, including the traction device, tensioning device, car and car frame, counterweight system, and segmented wire ropes. By integrating Lagrange’s equations with Newton’s second law, the governing differential equations of motion for each component are derived, establishing an adaptable global dynamic model. The forced vibration analysis focuses on the impacts of periodic excitation from traction sheave eccentricity, piecewise reverse braking torque, and vertical impacts from guide rail joints on car vibration response and wire rope dynamic stress. The results indicate that: traction sheave eccentricity leads to periodic fluctuations in car acceleration, with vibration peaks decreasing as the payload increases; reverse braking torque triggers impulsive acceleration overshoots, where the peak value under full-load conditions increases by approximately 15% compared to the no-load condition, accompanied by a longer duration of low-frequency vibrations; guide rail joint impacts produce instantaneous acceleration spikes, which increase by about 18% under high-speed operating conditions; and the wire rope stress exhibits significantly higher sensitivity to load variations within the low-load range of 0–0.2. Full article
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15 pages, 2341 KB  
Article
A Current-Frequency Dependent Hysteresis Model for an Entangled Metallic Wire Mesh–Magnetorheological (EMWM-MR) Composite Damper: Characterization and Inertial Flow Dominated Dissipation Mechanism
by Rong Liu, Zhilin Rao and Yiwan Wu
Appl. Sci. 2026, 16(7), 3367; https://doi.org/10.3390/app16073367 - 31 Mar 2026
Viewed by 315
Abstract
Accurate modeling of smart composite dampers is crucial for simulation and model-based control. This study focuses on the constitutive modeling of a novel damper that synergistically combines an Entangled Metallic Wire Mesh (EMWM) with a magnetorheological (MR) fluid. Unlike traditional MR dampers, the [...] Read more.
Accurate modeling of smart composite dampers is crucial for simulation and model-based control. This study focuses on the constitutive modeling of a novel damper that synergistically combines an Entangled Metallic Wire Mesh (EMWM) with a magnetorheological (MR) fluid. Unlike traditional MR dampers, the interaction between the field-responsive MR fluid and the rate-sensitive, deformable EMWM matrix introduces strong coupled current–frequency dependence. To capture this essential characteristic, a control-oriented, bivariate (current–frequency) hysteresis model is formulated, wherein all parameters are explicit, continuous functions of both the control current (I) and excitation frequency (f). A systematic two-step identification method is employed to derive these functions from dynamic tests. A key finding is that the identified damping exponent (α) consistently exceeds unity across the tested operational range. This quantitatively indicates a transition from viscous-dominated to inertial-flow-dominated dissipation within the EMWM matrix, a distinctive mechanism attributed to non-Darcian flow in its porous structure. The fully parameterized model demonstrates high fidelity (R2 > 0.99) within the characterized low-frequency, small-amplitude regime and shows reliable predictive capability for interpolated conditions. The presented model serves as a ready-to-use constitutive tool for the simulation and design of low-frequency vibration isolation systems utilizing EMWM-MR composites, and the revealed inertial flow mechanism provides fundamental insight for the development of next-generation adaptive dampers. Full article
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