Journal of Vibration and Acoustics: Recent submissions
Now showing items 2841-2860 of 3913
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Special 50th Anniversary Design Issue
(The American Society of Mechanical Engineers (ASME), 1995) -
Knowledge-Based Systems for Design
(The American Society of Mechanical Engineers (ASME), 1995)Knowledge-based systems are a special class of computer programs that purport to perform, or to assist humans in performing, specified intellectual tasks. This paper describes how knowledge-based ... -
A Stability Theorem for Hill’s Equation for Engineering Applications
(The American Society of Mechanical Engineers (ASME), 1995)A criterion for determining the stability of solutions of Hill’s equation containing even periodic potential is developed based on Hill’s method of solution. In the special case of the Mathieu ... -
Methods of Preserving Symmetry in Model Updating
(The American Society of Mechanical Engineers (ASME), 1995)This work examines the model updating technique for both conservative and nonproportionally damped systems. In model updating, also referred to as model correction, the analytical model is updated ... -
Decomposition of Gear Motion Signals and Its Application to Gearbox Diagnostics
(The American Society of Mechanical Engineers (ASME), 1995)The decomposition of gear motion and the related dynamic measurements for the condition monitoring and fault diagnosis of gearboxes are described. The motion error signal is separated according ... -
Active Attenuation of Periodic Vibration in Nonlinear Systems Using an Adaptive Harmonic Controller
(The American Society of Mechanical Engineers (ASME), 1995)The article describes a nonlinear adaptive controller for the attenuation of harmonic disturbances in nonlinear systems. The steepest descent algorithm is used to adapt the controller coefficients ... -
Vibration Control of Plates by Plate-Type Dynamic Vibration Absorbers
(The American Society of Mechanical Engineers (ASME), 1995)In this paper, a new plate-type dynamic vibration absorber is presented for controlling the several predominant modes of vibration of plate (mainplate) under harmonic excitation, which consists ... -
Fundamental Structural-Acoustic Idealizations for Structures with Fuzzy Internals
(The American Society of Mechanical Engineers (ASME), 1995)Fundamental issues relative to structural vibration and to scattering of sound from structures with imprecisely known internals are explored, with the master structure taken as a rectangular plate ... -
A Time-Domain Computational Simulation of Acoustic Silencers
(The American Society of Mechanical Engineers (ASME), 1995)A one-dimensional finite difference numerical method is applied for the simulation of sound attenuation in reactive silencers placed in an impedance tube configuration. This time-domain approach ... -
A Forced Response Analysis and Application of Impact Dampers to Rotordynamic Vibration Suppression in a Cryogenic Environment
(The American Society of Mechanical Engineers (ASME), 1995)A high speed damper test rig has been assembled at Texas A&M University to develop rotordynamic dampers for rocket engine turbopumps that operate at cryogenic temperatures, such as those ... -
The Use of Optimally Shaped Piezo-electric Film Sensors in the Active Control of Free Field Structural Radiation, Part 1: Feedforward Control
(The American Society of Mechanical Engineers (ASME), 1995)Feedforward active control of free field structural radiation using vibration control sources and piezo-electric polymer film error sensors is considered. The problem of what should be measured ... -
Active Control of a Circular Membrane to Reduce Transient Noise Transmission
(The American Society of Mechanical Engineers (ASME), 1995)An active control approach that reduces transient noise transmission through a membrane in a circular duct is presented. Discrete sections of piezo-electrical film, PVDF, are used as actuators ... -
Unsteady Isentropic Flow through Ducts with Prescribed Sound Pressure Level Distribution
(The American Society of Mechanical Engineers (ASME), 1995)An analytical method for the determination of the required shape of a duct for a prescribed sound pressure level distribution is presented in this paper. The physical model involves a sound ... -
Beam Element Structural Dynamics Modification Using Experimental Modal Rotational Data
(The American Society of Mechanical Engineers (ASME), 1995)Structural dynamic modification (SDM) of a fixed-free (cantilever) beam to convert it into a fixed-fixed beam with experimental modal data is presented. The SDM focuses on incorporating experimental ... -
Measured Transitions Between Sticking and Slipping at Lubricated Line Contacts
(The American Society of Mechanical Engineers (ASME), 1995)Sets of unsteady friction experiments are presented. The data allow an interpretation to be made of the principal physical phenomena that occur during the transitions that take place during ... -
Characteristics of Dimension Functions Associated With Cutting Measurements
(The American Society of Mechanical Engineers (ASME), 1995)The information dimension, D(0) , of attractors associated with orthogonal turning is determined from experimental tool-workpiece relative acceleration data. Let E≡dimension of a delay coordinate ... -
Modelling and Performance of an Experimental Active Vibration Isolator
(The American Society of Mechanical Engineers (ASME), 1995)The performance of an active vibration isolator consisting of a fluid mount and an electromagnetic actuator is discussed. The electromagnetic actuator augments the inertia effects of the fluid ... -
Combined Piezoelectric-Hydraulic Actuator Based Active Vibration Control for Rotordynamic System
(The American Society of Mechanical Engineers (ASME), 1995)Previous research by the authors concentrated on using piezoelectric actuators for active vibration control (AVC) of rotating machinery. The current work extends this by positioning the piezo-actuator ... -
Accurate Vibration Analysis of Simply Supported Rhombic Plates by Considering Stress Singularities
(The American Society of Mechanical Engineers (ASME), 1995)This is the first known work which explicitly considers the bending stress singularities that occur in the two opposite, obtuse corner angles of simply supported rhombic plates undergoing free, ... -
Vibrations of Composite Noncircular Cylindrical Shells
(The American Society of Mechanical Engineers (ASME), 1995)The free vibrational characteristics of composite noncircular cylindrical shells are investigated in this paper. The shells are composed of layered media of different material properties. The ...