Journal of Vibration and Acoustics: Recent submissions
Now showing items 1781-1800 of 3913
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Lateral Vibration of Two Axially Translating Beams Interconnected by a Winkler Foundation
(The American Society of Mechanical Engineers (ASME), 2007)Transverse vibration of two axially moving beams connected by a Winkler elastic foundation is analyzed analytically. The two beams are tensioned, translating axially with a common constant velocity, ... -
Applying Sherman-Morrison-Woodbury Formulas to Analyze the Free and Forced Responses of a Linear Structure Carrying Lumped Elements
(The American Society of Mechanical Engineers (ASME), 2007)A simple approach is proposed that can be used to analyze the free and forced responses of a combined system, consisting of an arbitrarily supported continuous structure carrying any number ... -
A Stochastic Model for the Random Impact Series Method in Modal Testing
(The American Society of Mechanical Engineers (ASME), 2007)A novel stochastic model is developed to describe a random series of impacts in modal testing that can be performed manually or by using a specially designed random impact device. The number ... -
Nonlinear Vibrations of Viscoelastic Composite Cylindrical Panels
(The American Society of Mechanical Engineers (ASME), 2007)This paper is devoted to mathematical models of problems of nonlinear vibrations of viscoelastic, orthotropic, and isotropic cylindrical panels. The models are based on Kirchhoff-Love hypothesis ... -
The Role of Damping and Definition of the Robust Damping Factor for a Self-Exciting Mechanism With Constant Friction
(The American Society of Mechanical Engineers (ASME), 2007)This paper presents a linear two-degree-of-freedom model in order to analyze friction-induced instabilities that are governed by modal interaction. The role of structural damping on flutter ... -
Dynamics of a Rotating Shaft Subject to a Three-Directional Moving Load
(The American Society of Mechanical Engineers (ASME), 2007)This paper presents a dynamic model for the vibration of a rotating Rayleigh beam subjected to a three-directional load acting on the surface of the beam and moving in the axial direction. ... -
Development of a Technique to Locate and Quantify a Crack in a Beam Based on Modal Parameters
(The American Society of Mechanical Engineers (ASME), 2007)A model-based algorithm has been developed, in order to locate and quantify the size of a crack, based on free vibration measurements of a cracked beam. Measured natural frequencies (at least ... -
Identification for Sucker-Rod Pumping System’s Damping Coefficients Based on Chain Code Method of Pattern Recognition
(The American Society of Mechanical Engineers (ASME), 2007)In this paper, a method for identifying the damping coefficients of a directional well sucker-rod pumping system is put forward by means of the chain code method of pattern recognition. The ... -
Eigenvalue Solution of Thermoelastic Damping in Beam Resonators Using a Finite Element Analysis
(The American Society of Mechanical Engineers (ASME), 2007)A finite element formulation is developed for solving the problem related to thermoelastic damping in beam resonator systems. The perturbation analysis on the governing equations of heat conduction, ... -
Synchronous Averaging of Time-Frequency Distribution With Application to Machine Condition Monitoring
(The American Society of Mechanical Engineers (ASME), 2007)A novel signal analysis technique capable of detecting periodic bursts of exponentially decaying oscillation from noisy discrete-time observations is presented. The time-frequency distribution of ... -
Effect of Thread and Bearing Friction Coefficients on the Vibration-Induced Loosening of Threaded Fasteners
(The American Society of Mechanical Engineers (ASME), 2007)This study provides a theoretical and experimental investigation of the effect of the thread and bearing friction coefficients on the self-loosening of threaded fasteners that are subjected to ... -
K-Hybrid: A Kurtosis-Based Hybrid Thresholding Method for Mechanical Signal Denoising
(The American Society of Mechanical Engineers (ASME), 2007)This paper presents a kurtosis-based hybrid thresholding method, K-hybrid, for denoising mechanical fault signals. The threshold used in the hybrid thresholding method is determined based on ... -
Forced Vibration Analysis of an Elevator Rope With Both Ends Moving
(The American Society of Mechanical Engineers (ASME), 2007)An elevator rope for a high-rise building is forcibly excited by the displacement of the building caused by wind forces. Regarding the rope, there are two boundary conditions. In the first ... -
Development of a Self-Organized Neuro-Fuzzy Model for System Identification
(The American Society of Mechanical Engineers (ASME), 2007)It has been known that it is difficult to establish a fuzzy logic model with effective fuzzy rules and the associated membership functions. Neural network with its learning capability has been ... -
Simulation of Engine Vibration on Nonlinear Hydraulic Engine Mounts
(The American Society of Mechanical Engineers (ASME), 2007)In this paper, vibration behavior of engine on the nonlinear hydraulic engine mount, including inertia track and decoupler, is studied. In this regard, after introducing the nonlinear factors ... -
Elastodynamics of Nonshallow Suspended Cables: Linear Modal Properties
(The American Society of Mechanical Engineers (ASME), 2007)A mechanical model describing finite motions of nonshallow cables around the initial catenary configurations is proposed. An exact kinematic formulation accounting for finite displacements is ... -
Early Detection of Fatigue Damage on Rolling Element Bearings Using Adapted Wavelet
(The American Society of Mechanical Engineers (ASME), 2007)Among the advanced techniques of the predictive maintenance, the vibratory analysis proves to be very effective, in particular, for monitoring rotating components such as the bearings. Their ... -
Nonlinear Dynamic Analysis of an Unsymmetrical Generator-Bearing System
(The American Society of Mechanical Engineers (ASME), 2007)Considering both nonlinear oil film force and unsymmetrical stiffness, this paper presents a mechanical model of a generator-bearing system. The complex mode synthesis method is used to reduce ... -
On the Fundamental Transverse Vibration Frequency of a Free-Free Thin Beam With Identical End Masses
(The American Society of Mechanical Engineers (ASME), 2007)Current research in vibration-based energy harvesting and in microelectromechanical system technology has focused renewed attention on the vibration of beams with end masses. This paper shows that ... -
Characterization of Tape Edge Contact Force With Acoustic Emission
(The American Society of Mechanical Engineers (ASME), 2007)Acoustic emission sensors were used to detect contact between a moving tape and the flange of a tape guide. The influence of tape drive operating conditions on the tape edge contact force ...