Journal of Vibration and Acoustics: Recent submissions
Now showing items 161-180 of 3913
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Acoustic Black Holes in a Spinning Beam
(The American Society of Mechanical Engineers (ASME), 2023)Through creating slow waves in structures, acoustic black hole (ABH) shows promise for potential vibration control applications. However, it remains unclear whether such phenomena can still occur in a structure undergoing ... -
An Engineering Approach for Estimating the Radiation Efficiency of Orthogonally Stiffened Plates
(The American Society of Mechanical Engineers (ASME), 2023)A systematic investigation of the sound radiation of orthogonally stiffened plates is presented using a numerical procedure that combines the finite element method with the Rayleigh integral. Results are computed for ... -
Dynamic Behavior of a Spinning Exponentially Functionally Graded Shaft With Unbalanced Load
(The American Society of Mechanical Engineers (ASME), 2023)The dynamic behaviors of a pinned–pinned spinning exponentially functionally graded shaft with unbalanced loads are investigated. The shaft is simulated in the Rayleigh beam model considering rotary inertia and gyroscopic ... -
Parametric Analysis of the Nonlinear Dynamics of a Cracked Cantilever Beam
(The American Society of Mechanical Engineers (ASME), 2023)Structural damage occurs in a variety of civil, mechanical, and aerospace engineering systems, and it is critical to effectively identify such damage in order to prevent catastrophic failures. When cracks are present in a ... -
Non-Linear Dynamic Modeling and Analysis of Split-Torque Face-Gear Drive Systems
(The American Society of Mechanical Engineers (ASME), 2023)A non-linear dynamic model of a multi-mesh involute spur pinion-driven face-gear split-torque drive system is developed. The lumped mass model consists of five pinions and two face-gears with seven rotational degrees-of-freedom. ... -
Dynamic Sensitivities to Fractal Machine Noises in a Mechanical Face Seal
(The American Society of Mechanical Engineers (ASME), 2022)Mechanical face seals are wide spread in many applications of powered equipment and turbomachinery. Often machine vibration and noise are unavoidable because of changing conditions which can be persistent and forceful. In ... -
An Improved Time-Domain Equivalent Source Method for Accurate Indoor Simulation of Pass-By Noise
(The American Society of Mechanical Engineers (ASME), 2022)Time-domain equivalent source method (TDESM) has been employed for indoor simulation of pass-by noise (PBN). Despite removing the requirement of dedicated large semi-anechoic chambers for the microphone array technique, ... -
Experimental Verification of Pulse Shaping in Elastic Metamaterials Under Impact Excitation
(The American Society of Mechanical Engineers (ASME), 2022)We present experimental verification of pulse shaping in elastic metamaterials together with a procedure to design, fabricate, and verify metamaterial pulse shapers under impact excitation. The split Hopkinson pressure bar ... -
A Model for Sound Propagation Through Corrugated Porous Structures With Mean Flow
(The American Society of Mechanical Engineers (ASME), 2022)For applications of porous materials where mean pressure drop is a concern, packaging the material into a corrugated structure is better compared to other geometries such as block or wedge shapes. The goal of this study ... -
Acoustic Wave Manipulation by Phase Conjugate Metasurface
(The American Society of Mechanical Engineers (ASME), 2022)Metasurfaces are advantageous in wavefront manipulation owing to their compact and flat nature. Particularly, ultrathin and completely smooth metasurfaces with giant phase delay and perfect impedance match are critically ... -
Optimization of Band Gaps in Rotors With Longitudinal Periodicity and Quasi-Periodicity
(The American Society of Mechanical Engineers (ASME), 2022)Structures with inertia periodicity present the phenomenon of band gap formation, i.e., the appearance of regions in the frequency spectrum with a higher modal spacing and lower vibration response. Rotating machines can ... -
A Simple Configuration of an Actively Synthesized Gyroscopic-Nonreciprocal Acoustic Metamaterial
(The American Society of Mechanical Engineers (ASME), 2022)A simple configuration of an active nonreciprocal gyroscopic metamaterial (NGMM) is presented. In the proposed NGMM system, a one-dimensional acoustic cavity is provided with piezoelectric boundaries acting as a collocated ... -
Broadband Electromechanical Diode: Acoustic Non-Reciprocity in Weakly Nonlinear Metamaterials With Electromechanical Resonators
(The American Society of Mechanical Engineers (ASME), 2022)Recent attention has been given to acoustic non-reciprocity in metamaterials with nonlinearity. However, the study of asymmetric wave propagation has been limited to mechanical diodes only. Prior works on electromechanical ... -
Novel Wentzel–Kramers–Brillouin Solutions to the Nonisentropic Helmholtz Equation in a Nonuniform Duct With Mean Temperature Gradient and Mean Flow
(The American Society of Mechanical Engineers (ASME), 2022)We derive the generalized Helmholtz equation (GHE) governing nonisentropic acoustic fluctuations in a quasi 1D duct with nonuniform cross section, mean temperature gradient, and nonuniform mean flow. Nonisentropic effects ... -
Computation and Assignment of the Minima of Structurally Radiated Sound Pressure
(The American Society of Mechanical Engineers (ASME), 2022)The minimum sound pressure is an important aspect of noise control. This means that minimal or no noise at a location will be experienced at a certain frequency. In many engineering applications, it is desirable to compute ... -
Reviewer's Recognition
(The American Society of Mechanical Engineers (ASME), 2023)The Editor-in-Chief and Editorial Board of the ASME Journal of Vibration and Acoustics would like to thank all of the reviewers for volunteering their expertise and time reviewing manuscripts in 2022. Serving as reviewers ... -
Erratum: “Impact of the Unit Cell Choice on the Efficiency of Dispersion Curve Calculations Using GBMS” [ASME J. Vib. Acoust. 144(2), p. 024501; DOI: 10.1115/1.4051817]
(The American Society of Mechanical Engineers (ASME), 2022)In the original publication, the captions of Figs. 4 and 5 are correct, but the graphs have been erroneously switched between both figures. In the corrected version below, Fig. 4 correctly shows the result of the lattice-based ... -
Dynamic Analysis and Design of Metamaterial Plates With Crossed Acoustic Black Holes for Vibration Control
(The American Society of Mechanical Engineers (ASME), 2022)Acoustic black holes (ABHs) have shown great potential in vibration and noise control. Merging the ABH effect and the metamaterial can be a more efficient approach for vibration control. The aim of this article is to study ... -
Modeling, Nonlinear Dynamics, and Bifurcation Analysis of the Rotor–Seal System Using a Subharmonic Sampling Strategy
(The American Society of Mechanical Engineers (ASME), 2022)Rotors are used to transfer power from one component to the other component in various rotor dynamics applications like steam turbines, aerospace systems, and power generators. In certain applications, the seal is an ... -
Resonance Mode and Sound Pressure of a Push–Pull Electrostatic Speaker Based on Elliptical Diaphragm
(The American Society of Mechanical Engineers (ASME), 2022)This study modeled an elliptical diaphragm in a push–pull electrostatic speaker using the average displacement, specific impedance, and equivalent radius to predict the frequency response in terms of sound pressure level ...