Journal of Vibration and Acoustics: Recent submissions
Now showing items 1661-1680 of 3913
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Operational Bearing Parameters and Acoustic Emission Generation
(The American Society of Mechanical Engineers (ASME), 2008)In further developing the acoustic emission (AE) technology for bearing monitoring, it is essential that a relationship is determined between bearing operational parameters, such as speed and ... -
Influence of Tensioner Dry Friction on the Vibration of Belt Drives With Belt Bending Stiffness
(The American Society of Mechanical Engineers (ASME), 2008)A model of dry friction tensioner in a belt-pulley system considering transverse belt vibration is developed, and the influence of the dry friction on the system dynamics is examined. The ... -
Shock Isolation Systems Using Magnetorheological Dampers
(The American Society of Mechanical Engineers (ASME), 2008)This study addresses the feasibility and applicability of a semiactive magnetorheological (MR) shock isolation system to replace a conventional passive shock isolation system for commercial-off-the-shelf ... -
Generalized Eigenvalue Decomposition in Time Domain Modal Parameter Identification
(The American Society of Mechanical Engineers (ASME), 2008)This paper is intended to point out the relationship among current time domain modal analysis methods by employing generalized eigenvalue decomposition. Ibrahim time domain (ITD), least-squares ... -
Dynamic Substructuring Based on a Double Modal Analysis
(The American Society of Mechanical Engineers (ASME), 2008)Modal synthesis methods have long been studied because the use of generalized coordinates makes it possible to reduce calculation costs. Our approach uses modes to describe each part of the ... -
Self-Identification Experiments Using Variable Inertia Systems for Flexible Beam Structures
(The American Society of Mechanical Engineers (ASME), 2008)The concept of self-identification and its feasibility are experimentally investigated. The modal parameters changed by the variable inertia systems, which are controlled by control input, are ... -
A New Dynamic Model of High-Speed Railway Vehicle Moving on Curved Tracks
(The American Society of Mechanical Engineers (ASME), 2008)A new dynamic model of railway vehicle moving on curved tracks is proposed. In the new model, the motion of the car body is considered and the motion of the truck frame is not restricted ... -
Optimization of Boundary Supports for Sound Radiation Reduction of Vibrating Structures
(The American Society of Mechanical Engineers (ASME), 2008)The purpose of this research is to design optimal boundary supports for minimum structural sound radiation. The influence of the boundary conditions on the structural dynamics of a cantilever ... -
Response of Viscoelastic Plate to Impact
(The American Society of Mechanical Engineers (ASME), 2008)Organization of product tests in the microelectronic and optical-electronic industries by the impact method is considered. Two mathematical models: a circular plate under dynamic loading with ... -
Finite Element Model for Hysteretic Friction Damping of Traveling Wave Vibration in Axisymmetric Structures
(The American Society of Mechanical Engineers (ASME), 2008)A finite element method is developed to treat the steady-state vibration of two axisymmetric structures—a base substructure and an attached damper substructure—that are driven by traveling wave ... -
Nonlinear Transverse Vibrations and 3:1 Internal Resonances of a Beam With Multiple Supports
(The American Society of Mechanical Engineers (ASME), 2008)In this study, nonlinear transverse vibrations of an Euler–Bernoulli beam with multiple supports are considered. The beam is supported with immovable ends. The immovable end conditions cause ... -
An Optimum Embossment of Rectangular Section in Panel to Minimize Noise Power
(The American Society of Mechanical Engineers (ASME), 2008)In this paper, the authors propose a new method for optimum design of embossed panel sections on vibrating panel-like structures to reduce noise. It is proposed in the method to use the ... -
Dynamics and Performance of a Harmonically Excited Vertical Impact Damper
(The American Society of Mechanical Engineers (ASME), 2008)Particle impact dampers (PIDs) have been shown to be effective in vibration damping. However, our understanding of such dampers is still limited, based on the theoretical models existing today. ... -
Dynamic Modeling and Experimental Validation of Eddy Current Dampers and Couplers
(The American Society of Mechanical Engineers (ASME), 2008)The interest in eddy current dampers is increasing especially in aeronautic and automotive industry. Such devices seem to be a valid alternative to conventional fluid film and viscoelastc dampers. ... -
Input and Design Optimization Under Uncertainty to Minimize the Impact Velocity of an Electrostatically Actuated MEMS Switch
(The American Society of Mechanical Engineers (ASME), 2008)The dynamic response of a radio-frequency (RF) microelectromechanical system to a time-varying electrostatic force is optimized to enhance robustness to variations in material properties and geometry. ... -
Balancing of Flexible Rotors Using Convex Optimization Techniques: Optimum Min-Max LMI Influence Coefficient Balancing
(The American Society of Mechanical Engineers (ASME), 2008)In some industrial applications, influence coefficient balancing methods fail to find the optimum vibration reduction due to the limitations of the least-squares optimization methods. Previous ... -
Free Vibration Analysis of Frames Using the Transfer Dynamic Stiffness Matrix Method
(The American Society of Mechanical Engineers (ASME), 2008)A method for free vibration of 3D space frame structures employing transfer dynamic stiffness matrix (TDSM) method based on Euler–Bernoulli beam theory is developed in this paper. The exact ... -
Experimental and Computational Models for Simulating Sound Propagation Within the Lungs
(The American Society of Mechanical Engineers (ASME), 2008)An acoustic boundary element model is used to simulate sound propagation in the lung parenchyma and surrounding chest wall. It is validated theoretically and numerically and then compared with ... -
Modeling and Control of Torsional Beam Vibrations: A Wave-Based Approach
(The American Society of Mechanical Engineers (ASME), 2008)This paper presents a wave-based modeling and control approach for suppressing torsional vibrations of an elastic shaft driven by a motor at one end and an inertial load at the other end. A ... -
Rotary Machine Health Diagnosis Based on Empirical Mode Decomposition
(The American Society of Mechanical Engineers (ASME), 2008)