Journal of Vibration and Acoustics: Recent submissions
Now showing items 3381-3400 of 3913
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A Multiple Degree of Freedom Cavity Element for Acoustic Transmission Lines
(The American Society of Mechanical Engineers (ASME), 1988)Mathematical modelling of acoustic transmission lines containing elements which can be represented by their acoustic modes is considered. Of particular interest are tapered elements and acoustic ... -
A Numerical Investigation of the Influence of Heating on the Excitation of High and Low Mach Number Jet Flows
(The American Society of Mechanical Engineers (ASME), 1988)The influence of heating and velocity on the unsteady nature of jet mixing layers is investigated by solving the time-dependent compressible Navier-Stokes equations using MacCormack’s explicit ... -
The Two-Microphone Sound Intensity Probe
(The American Society of Mechanical Engineers (ASME), 1988)A probe consisting of a pair of pressure-sensing microphones is an integral part of most commonly used sound intensity measurement systems. Sound intensity is a vector that describes the average ... -
Aperture Effects in Planar Nearfield Acoustical Imaging
(The American Society of Mechanical Engineers (ASME), 1988)The influence of the size of the measurement aperture on the accuracy of reconstruction of the pressure and vector velocity fields using underwater nearfield acoustical holography technique is ... -
Radial-Interradial Spring Tire Models
(The American Society of Mechanical Engineers (ASME), 1988)Two radial-interradial spring tire models are developed to predict vertical and drag forces produced by a tire as it rolls over an obstacle. Interradial springs are used to interconnect radial ... -
A Noise Source Identification Technique Using an Inverse Helmholtz Integral Equation Method
(The American Society of Mechanical Engineers (ASME), 1988)A technique is developed which utilizes numerical models and field pressure information to characterize acoustic fields and identify acoustic sources. The numerical models are based on boundary ... -
An Analysis of Rivet Die Design in Electromagnetic Riveting
(The American Society of Mechanical Engineers (ASME), 1988)This paper presents the findings of a numerical and experimental study of the quality of 7050-T73 aluminum rivets formed by an extremely fast electromagnetic riveting process. It is found that ... -
Active Vibration Control in Microgravity Environment
(The American Society of Mechanical Engineers (ASME), 1988)The low gravity environment of the Space Station is suitable for experiments or manufacturing processes which require near zero-g. Such experiments are packaged to fit into rack-mounted modules ... -
Optimal Control Deconvolution for Velocity Meter Signals
(The American Society of Mechanical Engineers (ASME), 1988)A method of deconvolution has been developed which uses the techniques of optimal control. The application of the technique to velocity meter signals is presented. It is shown that provided a ... -
Identification of a Positive Definite Mass Matrix
(The American Society of Mechanical Engineers (ASME), 1988)In system identification it is important that any a priori information about the system is utilized in the processing of measured data. Structural vibration problems can be modelled in terms ... -
Development of Nonlinear Building Block Approach
(The American Society of Mechanical Engineers (ASME), 1988)A nonlinear building block approach (NLBBA) is proposed to evaluate frequency response characteristics of nonlinear structure systems including springs with nonlinear stiffness and clearances at ... -
Optimal Design of Active Vibration Isolation System
(The American Society of Mechanical Engineers (ASME), 1988)In order to eliminate ground vibration produced by machines such as forge hammers, press machines, etc., this paper presents a systematic and optimal design procedure of an active vibration ... -
Interpretation of Experimental and Theoretical Data for Prediction of Mode Shapes of Vibrating Turbocharger Blades
(The American Society of Mechanical Engineers (ASME), 1988)The blading in large turbochargers is subjected to vibration excitation originating from pulsations in the exhaust gas stream coupled with the blade pass frequencies. The amplitude of vibrations ... -
An Eigensystem Realization Algorithm in Frequency Domain for Modal Parameter Identification
(The American Society of Mechanical Engineers (ASME), 1988)This paper demonstrates the close conceptual relationships between time domain and frequency domain approaches to identification of modal parameters for linear systems. A frequency domain eigensystem ... -
The Effects of Elastic Deformation on Seal Dynamics
(The American Society of Mechanical Engineers (ASME), 1988)The dynamic characteristics and stability of the annular pressure seal employed in pumps have been theoretically deduced with consideration of the effects of elastic deformation due to the high ... -
Discussion: “Trends in Eigenvalues of Straight and Bent Beams on Elastic Supports” (Bourne, F. R., and Dixon, M. W., 1987, ASME J. Vibr. Acoust. Stress Rel. Des., 109, pp. 133–137)
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Advanced Dynamics For Engineers
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Digital Signal Processing (2nd Edition)
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High Order Subharmonic Response of High Speed Rotors in Bearing Clearance
(The American Society of Mechanical Engineers (ASME), 1988)Subharmonic vibration refers to the response of a dynamic system to excitation at a whole-number multiple (n) of its natural frequency by vibrating asynchronously at its natural frequency, that ... -
Coupled Longitudinal and Bending Vibrations of a Cracked Shaft
(The American Society of Mechanical Engineers (ASME), 1988)This paper describes the coupling of bending and longitudinal vibration of a stationary cracked shaft with an open crack. The crack is modeled by way of a 2×2 local flexibility matrix ...