Journal of Vibration and Acoustics: Recent submissions
Now showing items 301-320 of 3913
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Three-Dimensional Solid Finite Element Contact Model for Rotordynamic Analysis: Experiment and Simulation
(The American Society of Mechanical Engineers (ASME), 2020)Conventional rotordynamic analyses generally treat the rotor as a continuous body without considering effect of clamped joints. However, in modern rotating machines, rotors are often assembled with multiple complex-shaped ... -
A Novel Accelerometer Mounting Method for Sensing Performance Improvement in Acoustic Measurements From the Knee
(The American Society of Mechanical Engineers (ASME), 2020)In this study, we propose a new mounting method to improve accelerometer sensing performance in the 50 Hz–10 kHz frequency band for knee sound measurement. The proposed method includes a thin double-sided adhesive tape for ... -
Brake Squeal: A Control Strategy Using Shunted Piezoelectric Pads
(The American Society of Mechanical Engineers (ASME), 2020)Brake squeal has been a challenging issue to overcome for the automotive sector. The phenomenon often underpins more serious mechanical issues leading to poor user satisfaction, compromised safety, and a negative impact ... -
Bifurcation and Chaos of a Spur Gear Transmission System With Non-Uniform Wear
(The American Society of Mechanical Engineers (ASME), 2020)In this study, a nonlinear dynamic model of a spur gear transmission system with non-uniform wear is proposed to analyze the interaction between surface wear and nonlinear dynamic characteristics. A quasi-static non-uniform ... -
Effect of Modal Interactions on Friction-Damped Self-Excited Vibrations
(The American Society of Mechanical Engineers (ASME), 2020)It is well-known that nonlinear dry friction damping has the potential to bound the otherwise unboundedly growing vibrations of self-excited structures. An important technical example are the flutter-induced friction-damped ... -
Optimal Design of Maxwell-Viscous Coulomb Air Damper With a Modified Fixed Point Theory
(The American Society of Mechanical Engineers (ASME), 2020)Air damper dynamic vibration absorber (DVA) is modeled using Maxwell transformed element and coulomb element. This damper serves to minimize vibration at resonant and operation of constant speed machine. Its stiffness and ... -
On Design and Analysis of Electrostatic Arch Micro-Tweezers
(The American Society of Mechanical Engineers (ASME), 2020)This article provides criteria for the design of electrostatic arch micro-tweezers. The tweezers can be operated in two modes: a traditional quasi-static mode where a direct current voltage commands the tweezers arms along ... -
Analysis of Random Mechanical Vibrations in Symmetrical Thin Plates Using Full-Field Vibration Measurements
(The American Society of Mechanical Engineers (ASME), 2021)A successful application of statistical energy analysis for analyzing energy exchanges between weakly coupled subsystems theoretically requires a diffuse vibrational field in all subsystems. So as to verify the conditions ... -
Computation of the Alpha Cabin Sound Absorption Coefficient by Using the Finite Transfer Matrix Method (FTMM): Inter-Laboratory Test on Porous Media
(The American Society of Mechanical Engineers (ASME), 2020)The transfer matrix method (TMM) has become an established and widely used approach to compute the sound absorption coefficient of a multilayer structure. Due to the assumption made by this method of laterally infinite ... -
Modeling and Analysis of Phononic Crystal With Coupled Lanes for Enhanced Elastic Wave Attenuation
(The American Society of Mechanical Engineers (ASME), 2020)Phononic crystals and metamaterials have attractive potential in elastic wave attenuation and guiding over specific frequency ranges. Different from traditional phononic crystals/metamaterials consisting of identical unit ... -
Reviewer’s Recognition
(The American Society of Mechanical Engineers (ASME), 2021)The Editor 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 2020. Serving as reviewers for the ... -
The Influences of Stagger and Pretwist Angles of Blades on Coupling Vibration in Shaft-Disk-Blade Systems
(The American Society of Mechanical Engineers (ASME), 2020)The influences of stagger angle (α) and pretwist angle (βL) of blades on the coupling vibration among shaft bending and blade bending in a shaft-disk-blade (SDB) system are investigated using a Lagrangian approach in ... -
In Situ Identification of Natural Frequency Branches in Gyroscopic Systems via Autoresonance and Phase-Locked Loop
(The American Society of Mechanical Engineers (ASME), 2020)The methods described allow one to directly measure the individual branches of the Campbell diagram of a physical gyroscopic system at any rotation speed. Typically, such data are acquired by exciting the vibration modes ... -
Vibratory Response Characteristics of High-Frequency Shape Memory Alloy Actuators
(The American Society of Mechanical Engineers (ASME), 2020)This paper presents a shape memory alloy actuator design using a bimorph structure capable of high-speed actuation and low power consumption. Two active layers of shape memory alloy wires are separated by a passive layer ... -
Series-Type Pendulum Tuned Mass Damper-Tuned Sloshing Damper
(The American Society of Mechanical Engineers (ASME), 2020)A pendulum-type tuned mass damper (TMD)-tuned sloshing damper (TSD) system is proposed as a cost-effective device to reduce wind-induced structural motion. Lagrange's principle is employed to develop an equivalent mechanical ... -
Non-Reciprocal Wave Transmission in a Bilinear Spring-Mass System
(The American Society of Mechanical Engineers (ASME), 2020)Significant amplitude-independent and passive non-reciprocal wave motion can be achieved in a one-dimensional (1D) discrete chain of masses and springs with bilinear elastic stiffness. Some fundamental asymmetric spatial ... -
Considering Link Flexibility in the Dynamic Synthesis of Closed-Loop Mechanisms: A General Approach
(The American Society of Mechanical Engineers (ASME), 2020)This paper has focused on the dynamic analysis of mechanisms with closed-loop configuration while considering the flexibility of links. In order to present a general formulation for such a closed-loop mechanism, it is ... -
Acoustic-Structure Interaction in an Adaptive Helmholtz Resonator by Compliance and Constraint
(The American Society of Mechanical Engineers (ASME), 2020)The acoustic energy attenuation capabilities of traditional Helmholtz resonators are enhanced by various methods, including by coupled resonators, absorbing materials, or replacement of rigid walls with flexible structures. ... -
Analysis and Numerical Evaluation of H∞ and H2 Optimal Design Schemes for an Electromagnetic Shunt Damper
(The American Society of Mechanical Engineers (ASME), 2020)The electromagnetic coupling effect can generate electromagnetic damping to suppress disturbance, which can be utilized for vibration serviceability control in civil engineering structures. An electrodynamic actuator is ... -
Investigation on an Adaptive Method for Tonal Vibration Suppression
(The American Society of Mechanical Engineers (ASME), 2020)An adaptive method for suppressing mechanical vibration of multiple frequencies is investigated. The adaptive controller is reinforced with saturation alleviator to improve the convergence rate and performance of the ...