Journal of Vibration and Acoustics: Recent submissions
Now showing items 2941-2960 of 3913
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Operation of an Electromagnetic Eddy-Current Damper with a Supercritical Shaft
(The American Society of Mechanical Engineers (ASME), 1994)A basic problem inherent with the operation of supercritical shafting is the application of appropriate external damping, which is generally necessary to suppress nonsynchronous instabilities and ... -
Dynamic Coefficients of Axial Spline Couplings in High-Speed Rotating Machinery
(The American Society of Mechanical Engineers (ASME), 1994)This paper provided the first opportunity to quantify the angular stiffness and equivalent viscous damping coefficients of an axial spline coupling used in highspeed turbomachinery. The bending ... -
Dynamic Analysis and Design of a Machine Tool Spindle-Bearing System
(The American Society of Mechanical Engineers (ASME), 1994)The paper simulates a spindle-bearing system with a finite-element model; then compares it to the experimental results. Radial and tilting springs and dashpots are considered in angular contact ... -
Effects of Static Load on Dynamic Structural Properties in a Flexible Supported Foil Journal Bearing
(The American Society of Mechanical Engineers (ASME), 1994)This paper describes an experimental investigation into the structural dynamic characteristics of corrugated foil (bump foil) strips used in one type of compliant surface foil journal bearings ... -
Piezothermoelasticity and Precision Control of Piezoelectric Systems: Theory and Finite Element Analysis
(The American Society of Mechanical Engineers (ASME), 1994)Piezothermoelastic effects of distributed piezoelectric sensor/actuator and structural systems are studied. Distributed controls (static and dynamic) of piezoelectric laminates subjected to a steady-state ... -
Power Transmission from a Vibrating Source through an Intermediate Flexible Panel to a Flexible Cylinder
(The American Society of Mechanical Engineers (ASME), 1994)When active control is used to reduce the vibration transmission through machine isolators into supporting structures, the vibratory power transmission through the isolators is often used as the ... -
An Integrated Approach Toward the Dynamic Analysis of High-Speed Spindles: Part I—System Model
(The American Society of Mechanical Engineers (ASME), 1994)Experimental evidence (Shin, 1992) has shown that the natural frequencies of high-speed spindles with angular contact ball bearings decrease with increasing rotational speed. A recent study (Wang ... -
An Integrated Approach Toward the Dynamic Analysis of High-Speed Spindles: Part 2—Dynamics Under Moving End Load
(The American Society of Mechanical Engineers (ASME), 1994)This paper presents an integrated study of a rotor/bearing structure, with specific interests toward high-speed spindle systems under rotating end loads. Considering the coupling between the ... -
Frequency Domain State-Space System Identification
(The American Society of Mechanical Engineers (ASME), 1994)This paper presents an algorithm for identifying state-space models of linear systems from frequency response data. A matrix-fraction description of the transfer function is employed to curve-fit ... -
Vibration of Rectangular Mindlin Plates with Intermediate Stiffeners
(The American Society of Mechanical Engineers (ASME), 1994)A first known investigation into the vibratory characteristics of rectangular Mindlin plates with intermediate stiffeners is presented. The Rayleigh-Ritz method is used, with displacement and ... -
Natural Frequencies Formula for Simply Supported Mindlin Plates
(The American Society of Mechanical Engineers (ASME), 1994)This paper presents an explicit formula for the vibration frequencies of simply supported Mindlin plates in terms of the corresponding thin (Kirchhoff) plate frequencies. The formula has been ... -
Dynamic Effects in Mechanical Structures with Gaps and Impacting: Order and Chaos
(The American Society of Mechanical Engineers (ASME), 1994)The paper discusses orderly and chaotic dynamic responses of simple mechanical structures with clearances and impacting. Experimental results from a simulator of a rotating machine with one loose ... -
A New Approach to the Early Prediction of Turning Chatter
(The American Society of Mechanical Engineers (ASME), 1994)A new approach to the early prediction of turning chatter is described in this paper; the interval frequency difference H in the amplitude domain of the dynamic cutting force is taken as a ... -
Nonlinear Resonances in a Flexible Cantilever Beam
(The American Society of Mechanical Engineers (ASME), 1994)An experimental investigation into the response of a nonlinear continuous systems with many natural frequencies in the range of interest is presented. The system is a flexible cantilever beam ... -
Surface Waves in Functionally Gradient Piezoelectric Plates
(The American Society of Mechanical Engineers (ASME), 1994)The hybrid numerical method, which has been proposed by the present authors for wave propagation analysis in anisotropic laminated plates, is extended for functionally gradient piezoelectric ... -
Membrane and Flexural Waves on Thin Shells
(The American Society of Mechanical Engineers (ASME), 1994)Membrane and flexural waves are limiting short wavelength solutions of the equations of motion for arbitrarily curved, smooth shells. Each distinct wave type is found using a geometrical or ray ... -
Chaotic Normal Vibrations and Friction at Mechanical Joints with Nonlinear Elastic Properties
(The American Society of Mechanical Engineers (ASME), 1994)This paper describes an investigation of the dynamics of contact systems that exhibit nonlinear stiffness characteristics. A dynamic contact model that accommodates normal motions with either ... -
Nonlinear Vibrations of a Beam-Spring-Mass System
(The American Society of Mechanical Engineers (ASME), 1994)The nonlinear response of a simply supported beam with an attached spring-mass system to a primary resonance is investigated, taking into account the effects of beam midplane stretching and ... -
Wavelet Analysis of Vibration: Part 2—Wavelet Maps
(The American Society of Mechanical Engineers (ASME), 1994)Wavelet maps provide a graphical picture of the frequency composition of a vibration signal. This paper, which is Part 2 of a pair, describes their construction and properties. In the case ... -
Unsteady Aerodynamics and Vortex-Induced Aeroelastic Response of a Structural Angle Section
(The American Society of Mechanical Engineers (ASME), 1994)Wake-body interactions for a two-dimensional structural angle member during stationary and vortex induced oscillatory conditions are studied using a conventional low turbulence wind tunnel. The ...