Journal of Vibration and Acoustics: Recent submissions
Now showing items 1341-1360 of 3913
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Comparison of Simulation and Experimental Results of a Tractor Seat With Nonlinear Stiffness and Dead-Band Damping
(The American Society of Mechanical Engineers (ASME), 2012)A low friction tractor seat with nonlinear stiffness and dead-band damping was investigated both by simulation and experimentation. The objective was to determine if a practical, “soft” suspension ... -
Enforcing Nodes to Suppress Vibration Along a Harmonically Forced Damped Euler-Bernoulli Beam
(The American Society of Mechanical Engineers (ASME), 2012)In this paper, properly tuned damped absorbers are used to suppress excess vibration anywhere along an arbitrarily supported, damped Euler-Bernoulli beam during forced harmonic excitations. This ... -
Vibration Induced Directed Transport of Particles
(The American Society of Mechanical Engineers (ASME), 2012)This paper reports a study on directed transport of a particle over a flat horizontal rigid plate vibrating asymmetrically in its plane. A friction model with both dry and viscous friction ... -
Sound Radiation From Shear Deformable Stiffened Laminated Plates With Multiple Compliant Layers
(The American Society of Mechanical Engineers (ASME), 2012)Sound radiation from shear deformable stiffened laminated plates with multiple compliant layers is theoretically studied. Equations of motion for the composite laminated plates are on the basis ... -
Structural Intensity Modeling and Simulations for Damage Detection
(The American Society of Mechanical Engineers (ASME), 2012)Structural health monitoring (SHM) techniques have previously been proposed based on structural intensity (SI) due to its sensitivity to changes in boundary and loading conditions, and impedance, ... -
SPICE Modeling Nonlinearity Effects on Ultrasonic Waves
(The American Society of Mechanical Engineers (ASME), 2012)Nonlinearity is one of the phenomena that affect the ultrasonic wave during its propagation in a given medium. In the time domain the nonlinearity is seen as a variation of the phase velocity ... -
Vibro-Acoustic Design Optimization Study to Improve the Sound Pressure Level Inside the Passenger Cabin
(The American Society of Mechanical Engineers (ASME), 2012)The interior noise inside the passenger cabin of automobiles can be classified as structure-borne or airborne. In this study, we investigate the structure-borne noise, which is mainly caused by ... -
Rolling Bearing Localized Defect Evaluation by Multiscale Signature via Empirical Mode Decomposition
(The American Society of Mechanical Engineers (ASME), 2012)Measured vibration signals from rolling element bearings with defects are generally nonstationary, and are multiscale in nature owing to contributions from events with different localization in ... -
Surface/Interface Effect on Dynamic Stress Around a Nanoinclusion in a Semi-Infinite Slab Under Shear Waves
(The American Society of Mechanical Engineers (ASME), 2012)This work examines the surface/interface effect on the dynamic stress around a cylindrical nanoinclusion embedded in an elastic semi-infinite slab subjected to antiplane shear waves, and the ... -
Approximate Entropy Analysis of the Acoustic Emission From Defects in Rolling Element Bearings
(The American Society of Mechanical Engineers (ASME), 2012)This paper introduces approximate entropy (ApEn) to address a nonlinear feature parameter of acoustic emission (AE) signal for the defect detection of rolling element bearings. With respect to ... -
Detection of Cracks in Mistuned Bladed Disks Using Reduced-Order Models and Vibration Data
(The American Society of Mechanical Engineers (ASME), 2012)A novel methodology to detect the presence of a crack and to predict the nonlinear forced response of mistuned turbine engine rotors with a cracked blade and mistuning is developed. The ... -
Energy Harvesting of Thermoacoustic-Piezo Systems With a Dynamic Magnifier
(The American Society of Mechanical Engineers (ASME), 2012)This study presents a novel approach for enhancing the performance of one of the promising systems in the field of energy harvesting, namely the standing wave thermoacoustic engine. Currently, ... -
Resonance Suppression in Multi-Degree-of-Freedom Rotating Flexible Structures Using Order-Tuned Absorbers
(The American Society of Mechanical Engineers (ASME), 2012)This paper considers the dynamic response and order-tuning of vibration absorbers fitted to a rotating flexible structure under traveling wave (TW) engine order excitation. Of specific interest ... -
Vibration Properties of High-Speed Planetary Gears With Gyroscopic Effects
(The American Society of Mechanical Engineers (ASME), 2012)This study investigates the modal property structure of high-speed planetary gears with gyroscopic effects. The vibration modes of these systems are complex-valued and speed-dependent. Equally-spaced ... -
Geometrically Nonlinear Free Vibration of Laminated Composite Plate Embedded With Piezoelectric Layers Having Uncertain Material Properties
(The American Society of Mechanical Engineers (ASME), 2012)In this paper, the nonlinear free vibration stochastic characteristic of a smart laminated composite plate having random system properties is presented. The transverse shear effects have been ... -
Determining the Power Flow in a Rectangular Plate Using a Generalized Two-Step Regressive Discrete Fourier Series
(The American Society of Mechanical Engineers (ASME), 2012)The evaluation of structural power flow (or structural intensity (SI)) in engineering structures is a field of increasing interest in connection with vibration analysis and noise control. In ... -
Experimental Comparison of Two Degrees-of-Freedom Vortex-Induced Vibration on High and Low Aspect Ratio Cylinders with Small Mass Ratio
(The American Society of Mechanical Engineers (ASME), 2012)Vortex-induced motion (VIM) is a specific way for naming the vortex-induced vibration (VIV) acting on floating units. The VIM phenomenon can occur in monocolumn production, storage and offloading ... -
An Investigation Into Using Magnetically Attached Piezoelectric Elements for Vibration Control
(The American Society of Mechanical Engineers (ASME), 2012)A novel vibration control method utilizing magnetically mounted piezoelectric elements is described. Piezoelectric elements are bonded to permanent magnets, termed here as control mounts, which are ... -
Active Control of the Longitudinal-Lateral Vibration of a Shaft-Plate Coupled System
(The American Society of Mechanical Engineers (ASME), 2012)The coupled longitudinal-lateral vibration of a shaft-plate system and its suppression by means of a feedback control scheme are discussed. A simplified model of the system is established through ... -
Influence of Sensor Position in Measuring Lateral Vibration Due to Vehicle Groove Wander
(The American Society of Mechanical Engineers (ASME), 2012)The objective of the study presented in this paper was to determine the optimal sensor location to assess human discomfort during vehicle groove wander, a phenomenon whereby vehicle occupants ...