Journal of Vibration and Acoustics: Recent submissions
Now showing items 2261-2280 of 3913
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Effect of Material and Geometry on the Sound and Vibration Transmission across a Sandwich Beam
(The American Society of Mechanical Engineers (ASME), 2001)This paper studies sound and vibration transmission across a sandwich beam made of anisotropic materials. In our previous study, we have found that there is a significant increase in the ... -
Free Vibration Analysis of Angle-ply Laminated Shallow Cylindrical Shell with Clamped Edges
(The American Society of Mechanical Engineers (ASME), 2001)In a previous paper, the authors proposed a numerical approach for analyzing the free vibrations of a laminated FRP (fiber reinforced plastic) composite plate. In the present paper, this approach ... -
Bouncing-Ball Model of ‘Dry’ Motions of a Tethered Buoy
(The American Society of Mechanical Engineers (ASME), 2001)The motions of a buoy moored to the sea floor by a cable are considered. The buoy is modeled both as a point mass and as a sphere. It is assumed that the mooring line has no effect ... -
Vehicle Evaluation of the Performance of Magneto Rheological Dampers for Heavy Truck Suspensions
(The American Society of Mechanical Engineers (ASME), 2001)This study is intended to complement many existing analytical studies in the area of semiactive suspensions by providing a field evaluation of semiactive magneto rheological (MR) primary suspensions ... -
A Flexible Rotor on Flexible Bearing Supports: Stability and Unbalance Response
(The American Society of Mechanical Engineers (ASME), 2001)An experimental study of the effects of bearing support flexibility on rotor stability and unbalance response is presented. A flexible rotor supported by fluid film bearings on flexible supports ... -
Influence of Axial Thrust Bearing on the Dynamic Behavior of an Elastic Shaft: Coupling Between the Axial Dynamic Behavior and the Bending Vibrations of a Flexible Shaft
(The American Society of Mechanical Engineers (ASME), 2001)This paper presents the nonlinear dynamic behavior of a flexible shaft. The shaft is mounted in two journal bearings and the axial load is supported by a hydrodynamic thrust bearing. The ... -
Extraction of Free-Free Modes from Constrained Vibration Data for Flexible Multibody Models
(The American Society of Mechanical Engineers (ASME), 2001)This paper presents a method for identifying the free-free modes of a structure by utilizing the vibration data of the same structure with boundary conditions. In modal formulations for flexible ... -
Guided Waves in Thin-Walled Structural Members
(The American Society of Mechanical Engineers (ASME), 2001)A semi-analytical finite element (SAFE) formulation is proposed to study the wave propagation characteristics of thin-walled members with an infinite length in the longitudinal (axial) direction. ... -
Inducing Passive Nonlinear Energy Sinks in Vibrating Systems
(The American Society of Mechanical Engineers (ASME), 2001)We study the inducement of passive nonlinear sinks in linear vibrating systems. These are substructures that absorb vibrational energy in a one-way, irreversible fashion. The systems considered ... -
Vibration Control Using Parametric Excitation
(The American Society of Mechanical Engineers (ASME), 2001)A simple pendulum whose pivot executes harmonic motion in the vertical direction is a prototype for systems subjected to parametric excitation. Forced excitation of this system is represented ... -
Analysis and DSP Implementation of a Broadband Duct ANC System Using Spatially Feedforward Structure
(The American Society of Mechanical Engineers (ASME), 2001)The active control technique for broadband attenuation of noise in ducts, using spatially feedforward structure, is investigated from the viewpoints of both acoustic analysis and control engineering. ... -
Constrained Substructure Approach to Optimal Strain Energy Analysis
(The American Society of Mechanical Engineers (ASME), 2001)The chief tool for design of viscoelastic-based damping treatments over the past 20 years has been the modal strain energy (MSE) approach. This approach to damping design traditionally has ... -
Experimental Measurement of Mode Shapes and Frequencies for Vibration of Plates by Optical Interferometry Method
(The American Society of Mechanical Engineers (ASME), 2001)Most of the published literature for vibration mode shapes of plates is concerned with analytical and numerical results. There are only very few experimental results available for the full field ... -
Identification and Prediction of Frame Structure Dynamics by Spatial Matrix Identification Method
(The American Society of Mechanical Engineers (ASME), 2001)This paper presents the results of using an experimental spatial matrix identification method to predict the dynamics of a frame structure under various boundary conditions. The single-input-mul ... -
Active Control of Translating Media With Arbitrarily Varying Length
(The American Society of Mechanical Engineers (ASME), 2001)The general control laws for pointwise controllers to dissipate vibratory energies of translating beams and strings with arbitrarily varying length are presented. Special domain and boundary control ... -
Active Control of Periodic Structures
(The American Society of Mechanical Engineers (ASME), 2001)Conventional passive periodic structures exhibit unique dynamic characteristics that make them act as mechanical filters for wave propagation. As a result, waves can propagate along the periodic ... -
The Dynamics of a Ball-Type Balancer System Equipped with a Pair of Free-Moving Balancing Masses
(The American Society of Mechanical Engineers (ASME), 2001)This study is devoted to evaluate the performance of a ball-type balancer system that is installed in high-speed optical disk drives. The ball-type balancer system, composed of a circular runway ... -
Designing the Dynamic Behavior of an Engine Suspension System Through Genetic Algorithms
(The American Society of Mechanical Engineers (ASME), 2001)This work presents an innovative approach to dynamic design that has the significant advantage of allowing the dynamic requirements to be specified from the earliest design stage. The method ... -
Effects of Crank Length on the Dynamics Behavior of a Flexible Connecting Rod
(The American Society of Mechanical Engineers (ASME), 2001)Global dynamics behavior of a damped flexible connecting rod is considered in this paper with emphasis on the effects of the rigid crank length. Nonlinear equations of motion in terms of axial ... -
Confinement and Suppression of Structural Vibrations
(The American Society of Mechanical Engineers (ASME), 2001)A feedback strategy, aiming at confining and suppressing simultaneously the vibratory motion in flexible structures, is proposed. It is assumed that the structure consists of parts that are ...