Journal of Vibration and Acoustics: Recent submissions
Now showing items 2441-2460 of 3913
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Adaptive Vibration Isolation for Flexible Structures
(The American Society of Mechanical Engineers (ASME), 1999)Vibration isolation control for flexible structures restricts the response resulting from external disturbances to areas not requiring high precision positioning and/or pointing. This paper introduces ... -
Dynamic Response and Stability of Pressurized Gas Squeeze-Film Dampers
(The American Society of Mechanical Engineers (ASME), 1998)Compressible squeeze films, an important and interesting area in gas lubrication, have been relatively neglected in recent times. Aircraft engines are being designed with light weight flexible ... -
Estimation of the Fuzzy Substructure Model Parameters Using the Mean Power Flow Equation of the Fuzzy Structure
(The American Society of Mechanical Engineers (ASME), 1998)This paper presents a theoretical approach for identifying the dimensionless mean coefficient of participating fuzzy mass which is the main unknown parameter of the type I or II fuzzy law ... -
On Free Vibrations of Fiber Reinforced Doubly Curved Panels, Part 2: Applications
(The American Society of Mechanical Engineers (ASME), 1998)The applications of a Ritz-type numerical scheme, in which the displacement fields are prescribed by Bezier surface patches, are presented for the analysis of doubly curved laminated open panels. ... -
On Free Vibrations of Fiber Reinforced Doubly Curved Panels, Part 1: Formulation/Convergence Study
(The American Society of Mechanical Engineers (ASME), 1998)This paper presents a Ritz-type numerical scheme for the analysis of doubly curved laminated open panels. The fundamental strain-displacement relations and energy expressions are developed in ... -
Vibration and Stability of a Spinning Disk in Contact With Evenly-Spaced Stationary Load Systems
(The American Society of Mechanical Engineers (ASME), 1998)The titled problem is studied numerically by finite element calculation. Attention is focused on the behavior of modal interactions when two modes are almost degenerate. In the case when the ... -
Application of Multiple Scale Analysis on the Parametric Resonance of Continuous Gyroscopic Systems
(The American Society of Mechanical Engineers (ASME), 1998)Nayfeh and Mook (1977) presented a multiple scale analysis on the parametric resonance of a non-gyroscopic system with multiple degrees of freedom. This Note extends their method to the case ... -
A Note on Computational Rotor Dynamics
(The American Society of Mechanical Engineers (ASME), 1998)Concise equations for improvements in computational efficiency on dynamics of rotor systems are presented. Two coordinate ordering methods are introduced in the element equations of motion. One ... -
Modeling and Control of an Electrorheological Sandwich Beam
(The American Society of Mechanical Engineers (ASME), 1998)This paper introduces models for electrorheological (ER) structures based on visco-elasticity and sandwich beam theory. The partial differential equations describing the dynamics of an ER sandwich ... -
Planar Motion of a Flexible Beam With a Tip Mass Driven by Two Kinematic Rotational Degrees of Freedom
(The American Society of Mechanical Engineers (ASME), 1998)The objective was to model planar motion of a flexible beam with a tip mass that is driven by two kinematic rotational degrees of freedom which are (1) at the center of the hub and (2) ... -
A Theoretical Model to Predict Vibration Response of Rolling Bearings to Distributed Defects Under Radial Load
(The American Society of Mechanical Engineers (ASME), 1998)An analytical model has been presented to predict the vibration response of rolling bearings due to distributed defects under radial load. For bearings without defect and with race defect, the ... -
A Practical Method for Noise Reduction in a Vehicle Passenger Compartment
(The American Society of Mechanical Engineers (ASME), 1998)The structural-acoustic response of a vehicle passenger compartment is explicitly described in terms of the structural-acoustic modal coupling coefficients and modal parameters of the system. Based ... -
Split Vibration Modes in Acoustically-Coupled Disk Stacks
(The American Society of Mechanical Engineers (ASME), 1998)Vibration of an array of stacked annular plates, in which adjacent plates couple weakly through an acoustic layer, is investigated through experimental and theoretical methods. Such acoustic ... -
Extraction of Impulse Response Data via Wavelet Transform for Structural System Identification
(The American Society of Mechanical Engineers (ASME), 1998)This paper presents a wavelet transform-based method of extracting the impulse response characteristics from the measured disturbances and response histories of linear structural dynamic systems. ... -
Analytical and Experimental Evaluation of Instability in Rotordynamic System With Electromagnetic Eddy-Current Damper
(The American Society of Mechanical Engineers (ASME), 1998)There have been a number of papers published that concern the design and operation of electromagnetic, eddy-current dampers for controlling lateral vibration of rotating machinery. Many of these ... -
Development and Verification of Transfer Matrix Unbalance Response Procedure for Three-Level Rotor-Foundation Systems
(The American Society of Mechanical Engineers (ASME), 1998)Details are presented of an analysis and computer code for the calculation of complex multi-span rotor-bearing-pedestal-foundation systems. This multi-level system analysis is based on the ... -
Identification of Structural Dynamics Models Using Wavelet-Generated Impulse Response Data
(The American Society of Mechanical Engineers (ASME), 1998)This paper addresses the use of discrete wavelet transforms for the identification of structural dynamics models. First, the discrete temporal impulse response functions are obtained from vibration ... -
Three-Dimensional Analysis for the Free Vibration of Finite-Length Orthotropic Piezoelectric Circular Cylindrical Shells
(The American Society of Mechanical Engineers (ASME), 1998)An exact elasticity study of the free vibration of a simply-supported cross-ply cylindrical shell containing a piezoelectric layer is presented. The solution of the derived governing differential ... -
Large In-Plane Motion of a Rotor
(The American Society of Mechanical Engineers (ASME), 1998)The vibrations of the in-plane rotor system with nonlinear elastic and geometric properties are considered in this paper. The vibrations of the rotor are described as the system often partial ... -
Simulations of an Internal Model-Based Active Noise Control System for Suppressing Periodic Disturbances
(The American Society of Mechanical Engineers (ASME), 1998)This study proposes an active noise control algorithm using the internal model principle. The structure of the noise is built in the transfer function of the controller in the unity feedback ...