Journal of Vibration and Acoustics: Recent submissions
Now showing items 3181-3200 of 3913
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Analysis of Nonrepeatable Radial Vibration of Magnetic Disk Spindles
(The American Society of Mechanical Engineers (ASME), 1991)The nonrepeatable radial vibration (NRRV) of spindle motors used in magnetic disk memory devices was studied in detail. In particular a theoretical and experimental investigation on the comparison ... -
An Application of the Generalized Polynomial Expansion Method to Nonlinear Rotor Bearing Systems
(The American Society of Mechanical Engineers (ASME), 1991)The Generalized Polynomial Expansion Method (GPEM) is utilized to model a large-order flexible-rotor system with nonlinear supports. With the application of GPEM, a set of nonlinear ordinary ... -
Dynamic Response of a Cylindrical Shell Panel to Explosive Loading
(The American Society of Mechanical Engineers (ASME), 1991)The dynamic response of steel cylindrical shell panels subjected to external free-field air-blast loading is investigated. The cases of rectangular and square panels having hinged and immovable ... -
Characteristic Wave Surfaces in Anisotropic Laminated Plates
(The American Society of Mechanical Engineers (ASME), 1991)A numerical method is used to determine the dispersion relation (an eigenvalue equation) of plane wave propagation in an anisotropic laminated plate. A phase velocity surface, phase slowness ... -
Random Response of Thick Laminated Rectangular Plates
(The American Society of Mechanical Engineers (ASME), 1991)The present paper deals with the random response analysis of clamped thick laminated rectangular plates subjected to white noise excitation. The refined plate theory postulated by Reddy has been ... -
General Solution of Acoustic Wave Equation for Circular Reversing Chamber with Temperature Gradient
(The American Society of Mechanical Engineers (ASME), 1991)A general solution for transmission loss in a circular reversing chamber with the effects of temperature gradient, offset, and twisting angle variations of inlet/outlet ports is obtained by using ... -
Acoustic Emission Waves in Perfect-Bonded Bimaterial Plates: Numerical Simulations and Experiments
(The American Society of Mechanical Engineers (ASME), 1991)This paper utilized finite difference schemes to simulate the propagation of acoustic emission (AE) waves in isotropic, anisotropic plates as well as perfect-bonded bimaterial composite plates. ... -
Erratum: “Planar Vibration of an Elastica Arch: Theory and Experiment” (Journal of Vibration and Acoustics, 1990, 112, pp. 374–379)
(The American Society of Mechanical Engineers (ASME), 1991) -
Use of the Generalized Impulse Momentum Equations in Analysis of Wave Propagation
(The American Society of Mechanical Engineers (ASME), 1991)A procedure is developed in this paper to study the propagation of impact-induced axial waves in constrained beams that undergo large rigid body displacements. The solution of the wave equations ... -
Active Control of High Order Acoustical Modes in a Semi-Infinite Waveguide
(The American Society of Mechanical Engineers (ASME), 1991)This paper presents an analysis of the effectiveness of active noise control methods for control of high order modes in rigid-walled, semi-infinite waveguides. The waveguides examined in this ... -
A Unified Approach for the Dynamics of Beams Undergoing Arbitrary Spatial Motion
(The American Society of Mechanical Engineers (ASME), 1991)A unified approach to systematically derive the dynamic equations for flexible bodies is proposed. This approach is not limited to a particular definition of the field of kinematic representation ... -
Influence of Impeller Shroud Forces on Turbopump Rotor Dynamics
(The American Society of Mechanical Engineers (ASME), 1991)The shrouded-impeller leakage path forces calculated by Childs (1987) have been analyzed to answer two questions. First, because of certain characteristics of the results of Childs, the forces ... -
Shaft Finite Elements for Rotor Dynamics Analysis
(The American Society of Mechanical Engineers (ASME), 1991)This paper presents efficient C0 -compatible finite elements for the modelling of rotor-bearing systems. The proposed linearly tapered elements, which have a variable number of nodal points, are ... -
Dual Active and Passive Control of Large Flexible Structures
(The American Society of Mechanical Engineers (ASME), 1991)A unified passive damping design algorithm, using active control design techniques and least squares method, is developed to improve the stability and performance of closed-loop controlled structures. ... -
Centrifugal Pendulum Vibration Absorbers—Theory and Practice
(The American Society of Mechanical Engineers (ASME), 1991)Reciprocating mechanical systems, such as pumps and compressors, present a nonuniform dynamic load to the driving motor. These load variations and their interactions with the dynamic characteristics ... -
A Practical Technique for Spectral Analysis of Nonlinear Systems Under Stochastic Parametric and External Excitations
(The American Society of Mechanical Engineers (ASME), 1991)A practical approach is developed for analyzing the spectral response of a nonlinear system subjected to both parametric and external Gaussian white noise excitations. The technique is implemented ... -
The Origin of Permanent Magnet Induced Vibration in Electric Machines
(The American Society of Mechanical Engineers (ASME), 1991)A principal source of vibration in permanent magnet motors and generators is the induced travelling forces from the rotating permanent magnets acting on the stator. The form of the magnetic ... -
Power Flow and Energy Balance Between Nonconservatively Coupled Oscillators
(The American Society of Mechanical Engineers (ASME), 1991)The concept of power flow, which has been found to be a powerful tool in the dynamic analysis of complex systems with conservative connecting elements, is extended to the case of nonconservatively ... -
Vibration Suppression Using a Proofmass Actuator Operating in Stroke/Force Saturation
(The American Society of Mechanical Engineers (ASME), 1991)We consider proofmass actuators for vibration suppression in flexible structures. Proofmass actuators appear to have a significant force-to-weight ratio over other types of actuators; hence, there ... -
Nonlinear Dynamic Modelling of a Revolute-Prismatic Flexible Composite-Material Robot Arm
(The American Society of Mechanical Engineers (ASME), 1991)In this work, a nonlinear dynamic model is derived to study the motion of a planar robot arm consisting of one revolute and one prismatic joint. Both links of the arm are considered to be ...