Journal of Vibration and Acoustics: Recent submissions
Now showing items 3001-3020 of 3913
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Undamped Critical Speeds of Rotor Systems Using Assumed Modes
(The American Society of Mechanical Engineers (ASME), 1993) -
Semiactive Damping Control of Vibrations in Automobiles
(The American Society of Mechanical Engineers (ASME), 1993) -
On the Occurrence of Simultaneous Resonances in Parametrically-Excited Rectangular Plates
(The American Society of Mechanical Engineers (ASME), 1993)The present work deals primarily with the problem of the occurrence of simultaneous resonances in parametrically-excited rectangular plates. The analysis is based on the dynamic analog of the ... -
The Rayleigh-Ritz Method With Quasi-Comparison Functions in Nonself-Adjoint Problems
(The American Society of Mechanical Engineers (ASME), 1993)In the determination of the first eigenmodes of continuous linear elastic systems the Rayleigh-Ritz method is often used. It is also very useful in the discretization of the elastic members ... -
Derivatives of Eigenvalues for Torsional Vibration of Geared Shaft Systems
(The American Society of Mechanical Engineers (ASME), 1993)Design sensitivity analysis of natural frequency for geared shaft systems is of practical importance in the optimal design of these systems. This note provides a simple and easily implemented ... -
Transverse Vibration of Plate Structures With Elastically Restrained Edges by the Spline/Finite Strip Method
(The American Society of Mechanical Engineers (ASME), 1993)The newly developed spline finite strip method has been applied to determine the natural frequencies of plates and stiffened plates with edged elastically restrained against translation and ... -
Transverse Vibrations of a Rotating Twisted Timoshenko Beam Under Axial Loading
(The American Society of Mechanical Engineers (ASME), 1993)Transverse bending vibrations of a rotating twisted beam subjected to an axial load and spinning about its axial axis are established by using the Timoshenko beam theory and applying Hamilton’s ... -
Stability Boundary of Non-Linear Orbits Within Clearance Circle of Journal Bearings
(The American Society of Mechanical Engineers (ASME), 1993)The transient, nonlinear study of journal bearing stability requires tracking the locus of the shaft center as a function of time. It is shown that there exists a boundary within the bearing ... -
Modal Element Method for Scattering and Absorbing of Sound by Two-Dimensional Bodies
(The American Society of Mechanical Engineers (ASME), 1993)The modal element method for acoustic scattering from a two-dimensional body is presented. The body may be acoustically soft (absorbing) or hard (reflecting). The infinite computational region ... -
An Extending Dynamic Elastica: Impact With a Surface
(The American Society of Mechanical Engineers (ASME), 1993)The study of the dynamic transport of paper, film, and tape is of increasing importance as process speeds increase. In earlier machines, transport velocities were slow enough that inertia loads ... -
Piezoelectric Actuators for Distributed Vibration Excitation of Thin Plates: A Comparison Between Theory and Experiment
(The American Society of Mechanical Engineers (ASME), 1993)Experimental results from vibration excitation of a simply supported plate with multiple patches of piezoceramic material bonded to the surface are compared to theoretical predictions for the ... -
Extended Kirchhoff Integral Formulations for Sound Radiation from Vibrating Cylinders in Motion
(The American Society of Mechanical Engineers (ASME), 1993)This paper presents numerical results of sound radiation from vibrating cylinders in rectilinear motion at constant subsonic speeds by using the extended Kirchhoff integral formulations recently ... -
The Influence of Axial-Torsional Coupling on the Natural Frequencies of an Aerial Cable
(The American Society of Mechanical Engineers (ASME), 1993)The equations of motion for the small oscillations of a stranded, overhead transmission line are derived and linearized about the static equilibrium position. The influence of axial-torsional ... -
Spatial Domain Modal Analysis of Lightly-Damped Structures Using Laser Velocimeters
(The American Society of Mechanical Engineers (ASME), 1993)Traditional modal identification techniques do not take advantage of the high spatial density of scanning Laser Doppler Velocimeter (LDV) measurements. In this paper, a spatial modal parameter ... -
Experimental and Numerical Analysis of Bimodal Acoustic Agglomeration
(The American Society of Mechanical Engineers (ASME), 1993)The interaction between fly ash particles (first mode) and sorbent particles (second mode) in coal combustion processes is studied under the influence of a low frequency, high intensity acoustic ... -
Identification of Certain Polynomial Nonlinear Structures by Adaptive Selectively-Sensitive Excitation
(The American Society of Mechanical Engineers (ASME), 1993)This paper presents a method for identification of certain polynomial nonlinear dynamic systems by adaptive vibrational excitation. The identification is based on the concept of selective sensitivity ... -
A Parameter Identification Method for the Rotordynamic Coefficients of a High Reynolds Number Hydrostatic Bearing
(The American Society of Mechanical Engineers (ASME), 1993)In identifying the rotordynamic coefficients of a high-Reynolds-number hydrostatic bearing, fluid-flow induced forces present a unique problem, in that they provide an unmeasureable and uncontrollable ... -
Digital Control Algorithms for Microgravity Isolation Systems
(The American Society of Mechanical Engineers (ASME), 1993)New digital control algorithms have been developed to achieve the desired transmissibility function for a microgravity isolation system. Two approaches have been presented for the controller design ... -
Vibration on an Inclined Rotating Cantilever Beam With Tip Mass
(The American Society of Mechanical Engineers (ASME), 1993)The vibration of a rotating cantilever beam with a tip mass is studied with the configuration of the undeformed beam deviating from the radial direction at the clamped end. The equation of ... -
Optimal Design of Active and Semi-Active Suspensions Including Time Delays and Preview
(The American Society of Mechanical Engineers (ASME), 1993)Several control laws for active and semi-active suspension based on a linear half car model are derived and investigated. The strategies proposed take full advantage of the fact that the road ...