Journal of Vibration and Acoustics: Recent submissions
Now showing items 81-100 of 3844
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Characteristics of Self-Excited Vibration of Vertical Rotating Shaft System Considering Amplitude Dependent Nonlinearity of Sliding Bearing
(The American Society of Mechanical Engineers (ASME), 11/2/2022 )Journal sliding bearings are often used to support rotating machinery to add damping and increase load capacity. These bearings have strong nonlinearities that can cause vibration problems. Various studies have been conducted ... -
On the Feasibility of Dynamic Substructuring for Hybrid Testing of Vibrating Structures
(The American Society of Mechanical Engineers (ASME), 2023)Dynamically substructured systems (DSS) are a typical technique to achieve real-time numerical simulations combined with physically tested components. However, a rigorous feasibility analysis before the implementation is ... -
A Contact Load Distribution Model to Capture the Influence of Structurally Compliant Rotating Ring Gear on the Dynamic Response of Epicyclic Gear Sets
(The American Society of Mechanical Engineers (ASME), 2023)Epicyclic gears, also commonly referred to as planetary gears, are power transfer components that are commonly used in several industrial applications. The structural compliance of thin-rimmed annular ring gear can ... -
A Parametric Study of the Bouc–Wen Model for Bolted Joint Dynamics
(The American Society of Mechanical Engineers (ASME), 2023)Built-up structures exhibit nonlinear dynamic phenomena due to friction at the surfaces that are held together using mechanical fasteners. This nonlinearity is hysteretic or history dependent. Additionally, interfacial ... -
Instability and Parametric Amplification of a Piezoelectric Energy Harvester Periodically Plucked by a Rotating Magnet
(The American Society of Mechanical Engineers (ASME), 2023)Magnetic plucking is an enabling technique to harvest energy from a rotary host as it converts the low-frequency excitation of rotational energy sources to high-frequency excitation that leads to resonance of small-scale ... -
Acoustic Radiation From Stiffened Double Concentric Large Cylindrical Shells: Part II Creeping Waves
(The American Society of Mechanical Engineers (ASME), 2023)Acoustic radiation from stiffened double concentric large cylindrical shells with periodic cavities is analytically examined in the medium and high frequency range using the Sommerfeld–Watson transform. Creeping wave ... -
Acoustic Radiation From Stiffened Double Concentric Large Cylindrical Shells: Part I Circumferential Harmonic Waves
(The American Society of Mechanical Engineers (ASME), 2023)Acoustic radiation from stiffened double concentric large cylindrical shells with periodic cavities is analytically investigated via circumferential harmonic waves driven by a point force. The vibration of double isotropic ... -
Responses of a Strongly Forced Mathieu Equation—Part 2: Constant Loading
(The American Society of Mechanical Engineers (ASME), 2023)The present study deals with the response of a damped Mathieu equation with hard constant external loading. A second-order perturbation analysis using the method of multiple scales (MMS) unfolds resonances and stability. ... -
Responses of a Strongly Forced Mathieu Equation—Part 1: Cyclic Loading
(The American Society of Mechanical Engineers (ASME), 2023)This work concerns the response of a damped Mathieu equation with hard cyclic excitation at the same frequency as the parametric excitation. A second-order perturbation analysis using the method of multiple scales unfolds ... -
Free Vibration Analysis of Thin-Walled Beams Using Two-Phase Local–Nonlocal Constitutive Model
(The American Society of Mechanical Engineers (ASME), 2023)A mathematical model is developed based on the thin-walled beams theory for free vibration analysis of nano/micro scale beams having nonlocal properties and arbitrary cross sections. Constitutive relations are defined by ... -
Rapid Computation of Resonant Frequencies for Nonproportionally Damped Systems Using Dual Oscillators
(The American Society of Mechanical Engineers (ASME), 2023)Many oscillatory systems of engineering and scientific interest (e.g., mechanical metastructures) exhibit nonproportional damping, wherein the mass-normalized damping and stiffness matrices do not commute. A new modal ... -
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 ...