Journal of Vibration and Acoustics: Recent submissions
Now showing items 1301-1320 of 3913
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Vibration and Sensitivity Analysis of a Beam With a Lumped Mass of Translational and Rotary Inertias
(The American Society of Mechanical Engineers (ASME), 2012)The free vibration analysis of a uniform beam carrying a lumped mass with the inclusion of both translational and rotary inertias are performed, and a closed-form expression of the frequency ... -
Highly Reduced Lumped Parameter Models Representing Impedance Functions at the Interface of One-Dimensional Viscoelastic Continua
(The American Society of Mechanical Engineers (ASME), 2012)In recent dynamic problems dealing with high-frequency excitations, such as ultrasonic vibrations, a proper representation of rods transmitting kinetic energy from the interface attached to the ... -
Effects of Axial Load and Elastic Matrix on Flexural Wave Propagation in Nanotube With Nonlocal Timoshenko Beam Model
(The American Society of Mechanical Engineers (ASME), 2012)In this paper, the effects of the axial load and the elastic matrix on the flexural wave in the carbon nanotube are studied. Based on the nonlocal continuum theory and the Timoshenko beam ... -
Performance Analysis of Finite Element and Energy Based Analytical Methods for Modeling of PCLD Treated Beams
(The American Society of Mechanical Engineers (ASME), 2012)For active/passive vibration control applications, low order models of flexible structures are always preferable. Mathematical models of passive constrained layer damping (PCLD)/active constrained ... -
Nonlinear Vibration Analysis of the Wind Turbine Blade (Occurrence of the Superharmonic Resonance in the Out of Plane Vibration of the Elastic Blade)
(The American Society of Mechanical Engineers (ASME), 2012)The use of wind turbine generator has rapidly spread as a one of the foremost clean energy sources. Recently, as the size of the wind turbine generator has become larger, its maintenance has ... -
Fault Diagnostics of Helicopter Gearboxes Based on Multi-Sensor Mixtured Hidden Markov Models
(The American Society of Mechanical Engineers (ASME), 2012)Accurate identification of faults in gearboxes is of vital importance for the safe operation of helicopters. Although hidden Markov models (HMMs) with Gaussian observations have been successfully ... -
Parametric Identification of Nonlinear Systems by Haar Wavelets: Theory and Experimental Validation
(The American Society of Mechanical Engineers (ASME), 2012)This study addresses the identification of nonlinear systems. It is assumed that the function form in the nonlinear system is known, leaving some unknown parameters to be estimated. Since Haar ... -
Effective Dynamic Properties and Multi-Resonant Design of Acoustic Metamaterials
(The American Society of Mechanical Engineers (ASME), 2012)In the study, a retrieval approach is extended to determine the effective dynamic properties of a finite multilayered acoustic metamaterial based on the theoretical reflection and transmission ... -
An Equivalent Plate Model for Sandwiched Panels With Thermoviscous Fluid Core
(The American Society of Mechanical Engineers (ASME), 2012)A method has been developed to predict the damping behavior of an equivalent plate formed from sandwich panels with a thermoviscous fluid core, which is based on an asymptotic approach. The ... -
Assessing the Influence of Fourier Analysis Parameters on Short-Time Modal Parameter Extraction
(The American Society of Mechanical Engineers (ASME), 2012)It is sometimes necessary to determine the manner in which materials and structures deteriorate with respect to time when subjected to sustained random dynamic loads. In such cases a system’s ... -
Harmonic Balance-Based Approach for Quasi-Periodic Motions and Stability Analysis
(The American Society of Mechanical Engineers (ASME), 2012)Quasi-periodic motions and their stability are addressed from the point of view of different harmonic balance-based approaches. Two numerical methods are used: a generalized multidimensional version ... -
Erratum: “Dynamic Modeling and Experimental Validation of Eddy Current Dampers and Couplers” [Journal of Vibration and Acoustics, 2008, 130, pp. 021011-1–021011-9]
(The American Society of Mechanical Engineers (ASME), 2012)The corrections are all linked to the quantity Ω that is absent in several equations within the paper.The corrections are summarize below.PageLine equationOriginalCorrection021011-4Line 291 Eq. ... -
Cantilevered Piezoelectric Energy Harvester With a Dynamic Magnifier
(The American Society of Mechanical Engineers (ASME), 2012)Conventional energy harvester typically consists of a cantilevered composite piezoelectric beam which has a proof mass at its free end while its fixed end is mounted on a vibrating base ... -
Application of a Weakly Nonlinear Absorber to Suppress the Resonant Vibrations of a Forced Nonlinear Oscillator
(The American Society of Mechanical Engineers (ASME), 2012)A weakly nonlinear vibration absorber is used to suppress the primary resonance vibrations of a single degree-of-freedom weakly nonlinear oscillator with periodic excitation, where the two linearized ... -
Remarks on Parametric Surface Waves in a Nonlinear and Non-Ideally Excited Tank
(The American Society of Mechanical Engineers (ASME), 2012)We studied free surface oscillations of a fluid in a cylinder tank excited by an electric motor with limited power supply. We investigated the possibility of parametric resonance in this system, ... -
Nondestructive Evaluation of Composite Material Damage Using Vibration Reciprocity Measurements
(The American Society of Mechanical Engineers (ASME), 2012)Maintenance personnel in the U.S. military are interested in developing methods of damage detection for composite materials that are field expedient and less dependent on the operator’s experience ... -
Prediction of Random Self Friction-Induced Vibrations in Uncertain Dry Friction Systems Using a Multi-Element Generalized Polynomial Chaos Approach
(The American Society of Mechanical Engineers (ASME), 2012)The prediction of self friction-induced vibrations is of major importance in the design of dry friction systems. This is known to be a challenging problem since dry friction systems are very ... -
Parametric Instability of Planetary Gears Having Elastic Continuum Ring Gears
(The American Society of Mechanical Engineers (ASME), 2012)The parametric instability of planetary gears having elastic continuum ring gears is analytically investigated based on a hybrid continuous-discrete model. Mesh stiffness variations of the sun-planet ... -
Use of Time-Series Predictive Models for Piezoelectric Active-Sensing in Structural Health Monitoring Applications
(The American Society of Mechanical Engineers (ASME), 2012)In this paper, time domain data from piezoelectric active-sensing techniques is utilized for structural health monitoring (SHM) applications. Piezoelectric transducers have been increasingly used ... -
Exact Vibration Solution for Exponentially Tapered Cantilever With Tip Mass
(The American Society of Mechanical Engineers (ASME), 2012)This technical note is concerned with the free vibration problem of a cantilever beam with constant thickness and exponentially decaying width. Existing analytical results for such a vibration ...