Journal of Vibration and Acoustics: Recent submissions
Now showing items 2961-2980 of 3913
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On the Vibration of Bolted Plate and Flange Assemblies
(The American Society of Mechanical Engineers (ASME), 1994)The vibration of an annular plate that is free along its outer edge, and that is connected to a flange along its inner edge by bolts that are equally spaced in the circumferential direction, ... -
A Transfer-Function Formulation For Nonuniformly Distributed Parameter Systems
(The American Society of Mechanical Engineers (ASME), 1994)This paper studies a transfer-function formulation for general one-dimensional, nonuniformly distributed systems, subject to arbitrary boundary conditions and external disturbances. In the development, ... -
Wavelet Analysis of Vibration: Part 1—Theory
(The American Society of Mechanical Engineers (ASME), 1994)Wavelets provide a new tool for the analysis of vibration records. They allow the changing spectral composition of a nonstationary signal to be measured and presented in the form of a ... -
Design of Shape Memory Alloy Springs With Applications in Vibration Control
(The American Society of Mechanical Engineers (ASME), 1993)Shape memory alloys (SMAs) have several unique characteristics, including their Young’s modulus-temperature relations, shape memory effects, and damping characteristics. The Young’s modulus of the ... -
Nonlinear Effects of a Modal Domain Optical Fiber Sensor in a Vibration Suppression Control Loop for a Flexible Structure
(The American Society of Mechanical Engineers (ASME), 1993)Recently, a modal domain optical fiber sensor has been demonstrated as a sensor in a control system for vibration suppression of a flexible cantilevered beam. This sensor responds to strain ... -
The Vibration Damping Effect of an Electrorheological Fluid
(The American Society of Mechanical Engineers (ASME), 1993)The attenuation of longitudinal vibrations in structures can be achieved through a change in the impedance of the structure. This impedance change can be produced by an electrorheological fluid. ... -
Stability and Nonlinear Dynamics of a Horizontally Base-Excited Rigid Rod With Unsymmetric End Stiffnesses
(The American Society of Mechanical Engineers (ASME), 1993)This paper presents a dynamic analysis of a horizontally base-excited rigid rod with unsymmetric end stiffnesses. This is to model a shaker/mould structure with gripper imperfections. The study ... -
Hybrid Active Vibration Control of Rotorbearing Systems Using Piezoelectric Actuators
(The American Society of Mechanical Engineers (ASME), 1993)The vibrations of a flexible rotor are controlled using piezoelectric actuators. The controller includes active analog components and a hybrid interface with a digital computer. The computer ... -
Modeling of Linear Viscoelastic Space Structures
(The American Society of Mechanical Engineers (ASME), 1993)The GHM Method provides viscoelastic finite elements derived from the commonly used elastic finite elements. Moreover, these GHM elements are used directly and conveniently in second-order structural ... -
Contribution Factor of Bearings for Rotor-Bearing System Stability
(The American Society of Mechanical Engineers (ASME), 1993) -
Analysis of Dynamic Systems With Periodically Varying Parameters Via Chebyshev Polynomials
(The American Society of Mechanical Engineers (ASME), 1993)In this paper a general method for the analysis of multidimensional second-order dynamic systems with periodically varying parameters is presented. The state vector and the periodic matrices ... -
An Experiment on Optimization of Active Noise Control on a Three-Dimensional Extended Radiator
(The American Society of Mechanical Engineers (ASME), 1993)In this experiment, a 10.6 dB reduction in the total radiated sound power for an extended radiator was achieved via active control through optimization of active sources. An acoustic boundary ... -
Sensor Mechanics of Distributed Shell Convolving Sensors Applied to Flexible Rings
(The American Society of Mechanical Engineers (ASME), 1993)Observation spillover can introduce system instability to undamped distributed structural systems. This problem can be prevented via modal filtering using distributed piezoelectric modal sensors ... -
Stochastic Finite Element Analysis for High Speed Rotors
(The American Society of Mechanical Engineers (ASME), 1993)The general problem of the dynamic response of highspeed rotors is considered in which certain system parameters may have a spatial stochastic variation. In particular the elastic modulus and ... -
Exact Receptances of Nonproportionally Damped Dynamic Systems
(The American Society of Mechanical Engineers (ASME), 1993)This paper presents an exact method for evaluating the receptances of nonproportionally damped dynamic systems. Based on a decomposition of the damping matrix, an iteration procedure is developed. ... -
Response of a Stationary, Damped, Circular Plate Under a Rotating Slider Bearing System
(The American Society of Mechanical Engineers (ASME), 1993)This paper is to demonstrate that axisymmetric plate damping will suppress unbounded response of a stationary, elastic, circular plate excited by a rotating slider. Use of the method of multiple ... -
Large Amplitude Free Vibration of Shallow Spherical Shell on a Pasternak Foundation
(The American Society of Mechanical Engineers (ASME), 1993)Large amplitude free vibrations of a clamped shallow spherical shell on a Pasternak foundation are studied using a new approach by Banerjee, Datta, and Sinharay. Numerical results are obtained ... -
The Residual Variable Method Applied to Acoustic Wave Propagation from a Spherical Surface
(The American Society of Mechanical Engineers (ASME), 1993)The classical wave equation in spherical coordinates is expressed in terms of a residual potential applying the Residual Variable Method. This method essentially eliminates the second derivative ... -
Vibration Response Reduction of a Rotor Shaft System Using Viscoelastic Polymeric Supports
(The American Society of Mechanical Engineers (ASME), 1993)The main objective of the present work is to determine reduction in the unbalance response of a rotor shaft system by using a suitable polymeric or viscoelastic bearing support. For analysis, ... -
Noise Reduction of Pressure Type Fans for Automobile Air Conditioners
(The American Society of Mechanical Engineers (ASME), 1993)Automotive air conditioners often employ a pusher-type condenser cooling system. Because the axial fan in such cooling systems is a major source of noise in the engine compartment, much effort ...