Journal of Vibration and Acoustics: Recent submissions
Now showing items 3201-3220 of 3913
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Prediction of Rotating Blade Modes from Measured Nonrotating Modal Parameters
(The American Society of Mechanical Engineers (ASME), 1991)The method presented in this paper can predict the modal parameters of a rotating blade accurately via the easily measured modal parameters of the blade in the nonrotating state. The derivation ... -
Effect of Radial Thickness on the In-Plane Free Vibrations of Circular Annular Discs
(The American Society of Mechanical Engineers (ASME), 1991)In this paper the in-plane free vibrations of both thick and thin circular annular discs are studied. The well-known energy method, which is based on the three-dimensional theory of elasticity, ... -
Dynamic Analysis and Control of a Double-Carriage Rotary Actuator for Accurate Magnetic Disk Head Positioning
(The American Society of Mechanical Engineers (ASME), 1991)Dynamic analysis and control for accurate magnetic disk head positioning using a compact double-carriage rotary actuator is presented. Rolling mode vibration, due to a small dynamic imbalance in ... -
Erratum: “The Development of Natural Modes of Free Vibration for Linear Discrete Systems from the Synchronous Motion Assumption” (Journal of Vibration and Acoustics, 1989, 111, pp. 77–81)
(The American Society of Mechanical Engineers (ASME), 1991) -
Editorial
(The American Society of Mechanical Engineers (ASME), 1990) -
Matching Finite Element Models to Modal Data
(The American Society of Mechanical Engineers (ASME), 1990)A technique is proposed which systematically adjusts a finite element model of a structure to produce an updated model in agreement with measured modal results. The approach suggested here is ... -
A Linear Time-Domain Method for Structural Dynamics Identification
(The American Society of Mechanical Engineers (ASME), 1990)A two-stage, time-domain structural dynamics identification method, that circumvents some of the main drawbacks of current techniques, and combines good noise rejection properties with a low ... -
An Improved Method for Stability and Damped Critical Speeds of Rotor-Bearing Systems
(The American Society of Mechanical Engineers (ASME), 1990)Many computer programs are available for stability and critical speed analysis of rotor-bearing systems. The iterative search-transfer matrix method is widely used for such programs. However, this ... -
Dynamics of a Radially Rotating Beam With Impact, Part 2: Experimental and Simulation Results
(The American Society of Mechanical Engineers (ASME), 1990)A theoretical and computational model to study the dynamics of a radially rotating beam with impact were presented in Part 1. In this paper the experimental results are presented and they are ... -
Candidate Reduced Order Models for Structural Parameter Estimation
(The American Society of Mechanical Engineers (ASME), 1990)This paper considers the reduction of high order models generated by a finite element analysis. The aim is to provide a low order model which retains the effect of parameter changes and so ... -
Prediction of Transient Vibration Envelopes Using Statistical Energy Analysis Techniques
(The American Society of Mechanical Engineers (ASME), 1990)The prediction, by the statistical energy analysis (SEA) method, of transient vibration envelopes for coupled systems is investigated. The relation between the time-varying energy transferred between ... -
An Experiment to Identify the Structural Dynamics of a Portal Frame
(The American Society of Mechanical Engineers (ASME), 1990)This paper describes the application of sequential frequency domain techniques to the estimation of mass, stiffness, and damping parameters using measured frequency response functions from a portal ... -
A Direct Two Response Approach for Updating Analytical Dynamic Models of Structures With Emphasis on Uniqueness
(The American Society of Mechanical Engineers (ASME), 1990)An approach, based on utilizing only two sets of structural responses and the enforcement of the conditions for a unique solution, is presented for the updating of Finite Element Models. The ... -
On the Use of the Momentum Balance in the Impact Analysis of Constrained Elastic Systems
(The American Society of Mechanical Engineers (ASME), 1990)In elastic systems, impulsive forces that act at a point on a deformable body produce stress waves that travel with finite speeds. This paper examines, both theoretically and numerically, the ... -
A Dynamic Model on a Single-Link Flexible Manipulator
(The American Society of Mechanical Engineers (ASME), 1990)An enhanced Equivalent Rigid Link System (ERLS) model using natural-mode shape function for flexible manipulators is developed. An experimental validation of the model is performed on a single-link ... -
Effect of Transverse Shear and Rotary Inertia on Vibrations of Stepped Thickness Plates
(The American Society of Mechanical Engineers (ASME), 1990)The free vibration characteristics of stepped thickness plates by including the effect of transverse shear deformation and rotary inertia is presented. A method based on the variational procedure ... -
Improve the Stability of Rotor Subjected to Fluid Leakage by Optimum Diameters Design
(The American Society of Mechanical Engineers (ASME), 1990)For high performance turbomachinery, the fluid leakage in the shroud of the blades and the labyrinth seal may cause instability and limit the output rating. In this work, an optimization ... -
Experimental and Numerical Analysis of Read/Write Head Suspension Dynamics for High-Performance Floppy Drive Systems
(The American Society of Mechanical Engineers (ASME), 1990)Read/write head suspensions are critical components of high-performance floppy disk drives. Their dynamics affect head/media compliance, wear, and tracking performance. Vibration measurements are ... -
Tracking Dynamics of Read/Write Head Suspensions in High-Performance Small Form Factor Rigid Disk Drives
(The American Society of Mechanical Engineers (ASME), 1990)Recording density of rigid disk drives is related to both linear and track density. High linear density requires submicron recording spacing which is made possible by using a gas-lubricated ... -
Dynamic Green’s Function of Finite Media by Finite Difference Method
(The American Society of Mechanical Engineers (ASME), 1990)A three-dimensional finite difference method (FDM) has been developed for the computation of elastic wave propagation in finite media containing a macrocrack, with a new treatment of boundary ...