Journal of Vibration and Acoustics: Recent submissions
Now showing items 1421-1440 of 3913
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Damping Reduction in Structures Using Piezoelectric Circuitry With Negative Resistance
(The American Society of Mechanical Engineers (ASME), 2011)As damping reduction can potentially lead to performance enhancement in certain applications, a scheme based on the concept of piezoelectric circuitry that yields reduced damping effect in a ... -
Analysis of Piezoelectric Energy Harvesters of a Moderate Aspect Ratio With a Distributed Tip Mass
(The American Society of Mechanical Engineers (ASME), 2011)Various mathematical beam models have been proposed for the efficient analysis of a piezoelectric energy harvester (PEH) and carrying out parameter study but there appears no beam model suitable ... -
Drill-String Dynamics: Reduced-Order Models and Experimental Studies
(The American Society of Mechanical Engineers (ASME), 2011)In this article, reduced-order models of a drill-string system are developed, the predictions of these models are studied, and qualitative comparisons are made with experimental studies. The ... -
A Frequency Domain Finite Element Approach for Three-Dimensional Gear Dynamics
(The American Society of Mechanical Engineers (ASME), 2011)A finite element formulation for the dynamic response of gear pairs is proposed. Following an established approach in lumped parameter gear dynamic models, the static solution is used as the ... -
Coupling Simulation Algorithm of Dynamic Feature of a Plate With Particle Dampers Under Centrifugal Loads
(The American Society of Mechanical Engineers (ASME), 2011)Particle damper comprises granular particle enclosed in a container within a vibrating structure. The performance of particle damper is strongly nonlinear whose energy dissipation is derived from ... -
Exact Frequency Analysis of a Rotating Cantilever Beam With Tip Mass Subjected to Torsional-Bending Vibrations
(The American Society of Mechanical Engineers (ASME), 2011)An exact frequency analysis of a rotating beam with an attached tip mass is addressed in this paper while the beam undergoes coupled torsional-bending vibrations. The governing coupled equations ... -
Dynamic Response of Prestressed Rayleigh Beam Resting on Elastic Foundation and Subjected to Masses Traveling at Varying Velocity
(The American Society of Mechanical Engineers (ASME), 2011)In this study, the dynamic response of axially prestressed Rayleigh beam resting on elastic foundation and subjected to concentrated masses traveling at varying velocity has been investigated. ... -
Characteristics of Modal Sound Radiation of Finite Cylindrical Shells
(The American Society of Mechanical Engineers (ASME), 2011)Characteristics of modal sound radiation of finite cylindrical shells are studied using finite element and boundary element methods in this paper. In the low frequency range, modal radiation ... -
Aircraft Cabin Tonal Noise Alleviation Through Fuselage Skin Embedded Piezoelectric Actuators
(The American Society of Mechanical Engineers (ASME), 2011)An integrated spectral-integral formulation is applied for prediction and active control of the noise generated by propellers inside the cabin of a general aviation aircraft. It consists of a ... -
Vibration Analysis of Homogeneous Transradially Isotropic Generalized Thermoelastic Spheres
(The American Society of Mechanical Engineers (ASME), 2011)The exact free vibration analysis of stress free or rigidly fixed, thermally insulated/isothermal, transradially (spherically) isotropic thermoelastic solid sphere has been presented in context of ... -
Flow-Induced Noise and Vibration in Aircraft Cylindrical Cabins: Closed-Form Analytical Model Validation
(The American Society of Mechanical Engineers (ASME), 2011)The turbulent boundary layer is a major source of interior noise in transport vehicles, mainly in aircraft during cruise flight. Furthermore, as new and quieter jet engines are being developed, ... -
A New Design Strategy for Minimizing Sound Radiation of Vibrating Beam Using Dimples
(The American Society of Mechanical Engineers (ASME), 2011)A method is proposed for minimizing the sound radiation of a vibrating beam by patterning the beam with a series of cylindrical dimples such that one or more of the vibration modes have the ... -
Influence of Tire Damping on Actively Controlled Quarter-Car Suspensions
(The American Society of Mechanical Engineers (ASME), 2011)In this note, a comprehensive analysis of tire damping effect on H2-optimal, multi-objective, and robust control of quarter-car suspensions excited by random road disturbances is provided. First, ... -
Singular Spectrum Analysis for Bearing Defect Detection
(The American Society of Mechanical Engineers (ASME), 2011)In this work, singular spectrum analysis is employed to process vibration signals resulting from rolling bearings. A monitoring indicator is defined from the fact that the structure of a signal ... -
Reduced Order Models of Mistuned Cracked Bladed Disks
(The American Society of Mechanical Engineers (ASME), 2011)Predicting the influence of cracks on the dynamics of bladed disks is a very important challenge. Cracks change the structural response, which in turn changes the crack propagation characteristics. ... -
Analysis of Bloch’s Method in Structures with Energy Dissipation
(The American Society of Mechanical Engineers (ASME), 2011)Bloch analysis was originally developed to solve Schrödinger’s equation for the electron wave function in a periodic potential field, such as found in a pristine crystalline solid. In the ... -
Hydrodynamic In-Line Force Coefficients of Oscillating Bluff Cylinders (Circular and Square) at Low Reynolds Numbers
(The American Society of Mechanical Engineers (ASME), 2011)An attempt to measure indirectly the hydrodynamic drag (cD) and inertia (cM) coefficients on oscillating bluff cylinders (circular and square) in quiescent fluid at low Reynolds numbers (low ... -
An Efficient Iterative Algorithm for Accurately Calculating Impulse Response Functions in Modal Testing
(The American Society of Mechanical Engineers (ASME), 2011)Impulse response functions (IRFs) and frequency response functions (FRFs) are bases for modal parameter identification of single-input, single-output (SISO) and multiple-input, multiple-out (MIMO) ... -
A Numerical Study on Ground-Based Vibration Response of a Spinning Cyclic Symmetric Rotor With Cracks
(The American Society of Mechanical Engineers (ASME), 2011)This paper is to study how presence of cracks affects ground-based vibration response of a spinning cyclic symmetric rotor via a numerical simulation. A reference system used in this study is ... -
An Enhanced Greitzer Compressor Model Including Pipeline Dynamics and Surge
(The American Society of Mechanical Engineers (ASME), 2011)The modeling of a centrifugal compressor system with exhaust and plenum piping acoustics is presented in this paper. For an experimental centrifugal compressor test rig with modular inlet and ...