Journal of Vibration and Acoustics: Recent submissions
Now showing items 1501-1520 of 3913
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Wave Propagation in Auxetic Tetrachiral Honeycombs
(The American Society of Mechanical Engineers (ASME), 2010)This paper describes a numerical and experimental investigation on the flexural wave propagation properties of a novel class of negative Poisson’s ratio honeycombs with tetrachiral topology. ... -
Influence of Multiphysical Effects on the Dynamics of the High Speed Mini Rotors—Part II: Results
(The American Society of Mechanical Engineers (ASME), 2010)In Part I of this work, a theoretical analysis showed that the surrounding air in the closed confinement between rotor and casing has a significant effect on the dynamic behavior of high ... -
Influence of Multiphysical Effects on the Dynamics of High Speed Minirotors—Part I: Theory
(The American Society of Mechanical Engineers (ASME), 2010)In this study, a modeling approach has been developed to take multiphysical effects into account in the prediction of the rotordynamic behavior of high speed minirotating machinery with a ... -
Comparing the Performance of Optimally Tuned Dynamic Vibration Absorbers With Very Large or Very Small Moment of Inertia
(The American Society of Mechanical Engineers (ASME), 2010)In this article, the performance of a two degree-of-freedom dynamic vibration absorber (DVA) with very large or very small moment of inertia is studied. Although it has been shown previously ... -
Effect of the Denoising on Acoustic Emission Signals
(The American Society of Mechanical Engineers (ASME), 2010)The acoustic emission (AE) technology is growing in its applicability to bearing defect diagnosis. Several publications have shown its effectiveness for earlier detection of bearing defects than ... -
Sound Transmission Characteristics of Asymmetric Sandwich Panels
(The American Society of Mechanical Engineers (ASME), 2010)Governing equations for the forced vibration of asymmetric sandwich panels are developed from energy relationships. A wave impedance analysis model for the sound transmission loss of asymmetric ... -
Vibration Suppression in Structures Using Cable Actuators
(The American Society of Mechanical Engineers (ASME), 2010)We investigate the use of cable tension for active vibration control in frame structures. A general formulation for this class of systems is developed using finite elements, which includes the ... -
Free Response and Absolute Vibration Suppression of Second-Order Flexible Structures—The Traveling Wave Approach
(The American Society of Mechanical Engineers (ASME), 2010)The paper considers the problem of suppressing the free vibration, induced by nonzero initial conditions, in a flexible system governed by the wave equation. First an exact response of the ... -
An Experimental Investigation of Coupled van der Pol Oscillators
(The American Society of Mechanical Engineers (ASME), 2010)Experimental investigations of synchronization of linearly diffusive coupled van der Pol electronic oscillators are reported. In addition to in- and antiphase stable oscillations, shifted symmetric ... -
Free In-Plane Vibration Analysis of Rectangular Plates With Elastically Point-Supported Edges
(The American Society of Mechanical Engineers (ASME), 2010)In comparison with the transverse vibrations of rectangular plates, far less attention has been paid to the in-plane vibrations even though they may play an equally important role in affecting ... -
Vibration of a Standing Heavy Column With Intermediate Support
(The American Society of Mechanical Engineers (ASME), 2010)The vibration of a free standing column under its own weight is studied. An intermediate support increases the fundamental frequency. The optimum location for the support is determined for ... -
Harmonic Vibrations in Thermoelasticity of Microstretch Materials
(The American Society of Mechanical Engineers (ASME), 2010)Consider a cylinder made of a microstretch thermoelastic material for which one plane end is subjected to plane boundary data varying harmonically in time. On the lateral surface and other ... -
Band Gaps in a Multiresonator Acoustic Metamaterial
(The American Society of Mechanical Engineers (ASME), 2010)In this study, we investigated dispersion curves and the band gap structure of a multiresonator mass-in-mass lattice system. The unit cell of the lattice system consists of three separate masses ... -
Multiharmonic Response Analysis of Systems With Local Nonlinearities Based on Describing Functions and Linear Receptance
(The American Society of Mechanical Engineers (ASME), 2010)Direct time integration methods are usually applied to determine the dynamic response of systems with local nonlinearities. Nevertheless, these methods are computationally expensive to predict the ... -
Finite Element Analysis of Thermoelastic Damping in Contour-Mode Vibrations of Micro- and Nanoscale Ring, Disk, and Elliptical Plate Resonators
(The American Society of Mechanical Engineers (ASME), 2010)Thermoelastic damping in contour-mode in-plane vibrations of rings, disks, and elliptical plates is investigated on various size scales, using a reduced finite element formulation. The Fourier ... -
Looseness Diagnosis of Rotating Machinery Via Vibration Analysis Through Hilbert–Huang Transform Approach
(The American Society of Mechanical Engineers (ASME), 2010)The objective of this research in this paper is to investigate the feasibility of utilizing the Hilbert–Huang transform method for diagnosing the looseness faults of rotating machinery. The ... -
A Perturbation Approach for Predicting Wave Propagation in One-Dimensional Nonlinear Periodic Structures
(The American Society of Mechanical Engineers (ASME), 2010)Wave propagation in one-dimensional nonlinear periodic structures is investigated through a novel perturbation analysis and accompanying numerical simulations. Several chain unit cells are considered ... -
Characteristics of the Flow-Induced Vibration and Forces With 1- and 2-DOF Vibrations and Limiting Solid-to-Fluid Density Ratios
(The American Society of Mechanical Engineers (ASME), 2010)We studied various characteristics of the flow-induced vibration (FIV) of a spring-mounted cylinder, and the fluctuating lift and drag forces exerted on the cylinder due to the periodic changes ... -
Simulations and Experiments of a Nonlinear Aircraft Braking System With Physical Dispersion
(The American Society of Mechanical Engineers (ASME), 2010)This paper deals with the simulation of nonlinear vibration induced by friction in an aircraft braking system. Experimental tests reveal that in similar experimental conditions the mechanism can ... -
Structure-Borne Sound Characterization of Coupled Structures—Part II: Feasibility Study
(The American Society of Mechanical Engineers (ASME), 2010)A novel method has been outlined in the first part of this paper aimed at characterization of structure-borne sound transmission from a vibration source coupled via resilient mounts to a ...