Journal of Vibration and Acoustics: Recent submissions
Now showing items 1521-1540 of 3913
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Development of an Active Compliance Chamber to Enhance the Performance of Hydraulic Bushings
(The American Society of Mechanical Engineers (ASME), 2010)With the new improvements in the fuel economy engines and to enhance the passenger’s comfort, the topic of active vibration cancellation has received a lot of attention recently by both the ... -
Piezoelectric Damping of Resistively Shunted Beams and Optimal Parameters for Maximum Damping
(The American Society of Mechanical Engineers (ASME), 2010)This paper studies the piezoelectric damping of resistively shunted beams induced by the conversion of the vibration energy into electrical energy that is dissipated in the resistor through Joule ... -
An Active Acoustic Metamaterial With Tunable Effective Density
(The American Society of Mechanical Engineers (ASME), 2010)Extensive efforts are being exerted to develop various types of acoustic metamaterials to effectively control the flow of acoustical energy through these materials. However, all these efforts are ... -
Development of an Active Vibration Isolation System Using Linearized Zero-Power Control With Weight Support Springs
(The American Society of Mechanical Engineers (ASME), 2010)This paper presents a hybrid vibration isolation system using linearized zero-power control with weight support springs. The isolation system, fundamentally, is developed by linking a mechanical ... -
Vibration Analysis of Composite Beams With End Effects via the Formal Asymptotic Method
(The American Society of Mechanical Engineers (ASME), 2010)Vibration analysis of composite beams is carried out by using a finite element-based formal asymptotic expansion method. The formulation begins with three-dimensional (3D) equilibrium equations in ... -
Optimal Vibration Suppression of Structures Under Random Base Excitation Using Semi-Active Mass Damper
(The American Society of Mechanical Engineers (ASME), 2010)The vibration suppression of structures using a semi-active mass damper is investigated in this study. A magnetorheological (MR)-damper is utilized to design the semi-actively controlled mass ... -
Structure-Borne Sound Characterization of Coupled Structures—Part I: Simple Demonstrator Model
(The American Society of Mechanical Engineers (ASME), 2010)A method has been developed to characterize a vibration source when coupled via resilient mounts to a receiver structure. This two-step measurement procedure can deliver the mobility and free ... -
Tuning for Performance and Stability in Systems of Nearly Tautochronic Torsional Vibration Absorbers
(The American Society of Mechanical Engineers (ASME), 2010)This paper considers the dynamic response and performance characteristics of a special class of centrifugal pendulum torsional vibration absorbers. The absorbers of interest are designed by selection ... -
Frequency Response Characteristics of Parametrically Excited System
(The American Society of Mechanical Engineers (ASME), 2010)The frequency response characteristic of a general time-invariant system has been extensively analyzed in literature. However, it has not gained sufficient attentions in the parametrically excited ... -
Rational Finite Elements and Flexible Body Dynamics
(The American Society of Mechanical Engineers (ASME), 2010)The goal of this study is to develop the dynamic differential equations of the first finite element based on the rational absolute nodal coordinate formulation (RANCF) and to demonstrate its ... -
Optimal Design of Multichamber Mufflers Hybridized With Perforated Intruding Inlets and Resonating Tubes Using Simulated Annealing
(The American Society of Mechanical Engineers (ASME), 2010)Recently, research on new techniques for single-chamber mufflers equipped with perforated resonating tubes has been addressed. However, the acoustical performance of mufflers having a narrow-band ... -
The Effect of Axisymmetric Nonflatness on the Oscillation Frequencies of a Rotating Disk
(The American Society of Mechanical Engineers (ASME), 2010)This study examines the frequency characteristics of thin rotating disks subjected to axisymmetric nonflatness. The equations of motion used are based on Von Karman’s plate theory. First, the ... -
Effect of Pasternak Foundation on Axisymmetric Vibration of Polar Orthotropic Annular Plates of Varying Thickness
(The American Society of Mechanical Engineers (ASME), 2010)Free axisymmetric vibrations of polar orthotropic annular plates of variable thickness resting on a Pasternak-type elastic foundation have been studied based on the classical plate theory. Hamilton’s ... -
Three Degrees of Freedom Active Control of Pneumatic Vibration Isolation Table by Pneumatic and Time Delay Control Technique
(The American Society of Mechanical Engineers (ASME), 2010)Based on previous feasibility study on one degree of freedom (1DOF) pneumatic active control of pneumatic springs, this paper presents procedures and results of a more realistic 3DOF active ... -
A New Control Strategy to Reduce Steering Torque Without Perceptible Vibration for Vehicles Equipped With Electric Power Steering
(The American Society of Mechanical Engineers (ASME), 2010)This paper proposes a new electric power steering control strategy, which significantly reduces the effort needed to change the steering direction of stationary vehicles. Previous attempts to ... -
A Study on Holographic Reconstruction of Cyclostationary Sound Field Based on Boundary Element Method
(The American Society of Mechanical Engineers (ASME), 2010)The cyclostationary vibrational signal modulated by other signals can be considered as a special kind of nonstationary signal, which is found frequently in some rotating machinery. The modulation ... -
Large Amplitude Free Vibration of a Rotating Nonhomogeneous Beam With Nonlinear Spring and Mass System
(The American Society of Mechanical Engineers (ASME), 2010)This paper investigates the free out of plane vibration of a rotating nonhomogeneous beam with nonlinear spring and mass system. The effect of nonhomogeneity of the beam appears both in the ... -
Simplified Morton Effect Analysis for Synchronous Spiral Instability
(The American Society of Mechanical Engineers (ASME), 2010)A simplified analytical approach for modeling the synchronous instability phenomenon known as the Morton effect is presented. The analysis is straightforward and easily applied to any rotor ... -
Comparison of Tilting-Pad Journal Bearing Dynamic Full Coefficient and Reduced Order Models Using Modal Analysis (GT2009-60269)
(The American Society of Mechanical Engineers (ASME), 2010)There is a significant disagreement in the literature concerning the proper evaluation of the experimental identification and frequency response of tilting-pad journal bearings (TPJBs) due to shaft ... -
Structural-Acoustic Vibration Reduction Using Switched Shunt Piezoelectric Patches: A Finite Element Analysis
(The American Society of Mechanical Engineers (ASME), 2010)In this paper, we present a finite element formulation for vibration reduction in structural-acoustic systems using passive or semipassive shunt techniques. The coupled system consists of an ...