Journal of Vibration and Acoustics: Recent submissions
Now showing items 641-660 of 3913
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Reduced-Order Modeling of Bladed Disks With Friction Ring Dampers
(The American Society of Mechanical Engineers (ASME), 2017)An efficient methodology to predict the nonlinear response of bladed disks with a dry friction ring damper is proposed. Designing frictional interfaces for bladed-disk systems is an important approach to dissipate vibration ... -
Stability Analysis of Moving Printing Web With Sine Half-Wave Variable Density Based on Differential Quadrature Method
(The American Society of Mechanical Engineers (ASME), 2017)The moving web is widely used to make printing and packaging products, flexible electronics, cloths, etc. The impact of the variable density on printing web dynamic behavior is considered. The density changes in the form ... -
A New Dynamic Model of Coupled Axial–Torsional Vibration of a Drill String for Investigation on the Length Increment Effect on Stick–Slip Instability
(The American Society of Mechanical Engineers (ASME), 2017)In this paper, a new model is proposed to study the coupled axial–torsional vibration of the drill string. It is assumed that rotary table angular speed is constant and equals to the nominal angular speed of the drill ... -
Optimal Damping in Circular Cylindrical Sandwich Shells With a Three-Layered Viscoelastic Composite Core
(The American Society of Mechanical Engineers (ASME), 2017)In this work, the damping characteristics of circular cylindrical sandwich shell with a three-layered viscoelastic composite core are investigated. The new composite core is composed of the identical inclusions of ... -
Equivalent Source Method-Based Nearfield Acoustic Holography in a Moving Medium
(The American Society of Mechanical Engineers (ASME), 2017)To identify sound sources situated in a fluid flow, an equivalent source method (ESM)-based nearfield acoustic holography (NAH) in a moving medium is proposed, and two types of acoustic inputs, pressure and particle velocity, ... -
Separation of Traveling and Standing Waves in a Rigid-Walled Circular Duct Containing an Intermediate Impedance Discontinuity
(The American Society of Mechanical Engineers (ASME), 2017)In this paper, we study the phenomenon of separation of traveling and standing waves in a one-dimensional rigid-walled circular duct. The underlying mechanism for separation, mode complexity, is linear and introduced here ... -
Nonlinear Axisymmetric Free Vibration Analysis of Liquid-Filled Spherical Shell With Volume Constraint
(The American Society of Mechanical Engineers (ASME), 2017)Nonlinear axisymmetric free vibration analysis of liquid-filled spherical shells with volume constraint condition using membrane theory is presented in this paper. The energy functional of the shell and contained liquid ... -
Experimental Analysis of the Vibroacoustic Response of an Electric Window-Lift Gear Motor Generated by the Contact Between Carbon Brushes and Commutator
(The American Society of Mechanical Engineers (ASME), 2017)This paper deals with the vibroacoustic behavior of an electric window-lift gear motor for automotive vehicle which consists of a direct current (DC) motor and a worm gear. After describing the overall vibroacoustic behavior ... -
Harvesting Energy From Time-Limited Harmonic Vibrations: Mechanical Considerations
(The American Society of Mechanical Engineers (ASME), 2017)Single-degree-of-freedom (SDOF) mechanical oscillators have been the most common type of generators used to harvest energy from mechanical vibrations. When the excitation is harmonic, optimal performance is achieved when ... -
Modeling and Dynamic Analysis of an Electrical Helmholtz Resonator for Active Control of Resonant Noise
(The American Society of Mechanical Engineers (ASME), 2017)This paper describes a theoretical and experimental investigation into an electrical Helmholtz resonator (EHR): that is, an active noise control (ANC) loudspeaker used in conjunction with a microphone and a feedback ... -
Dynamics and Control of Clutchless Automated Manual Transmissions for Electric Vehicles
(The American Society of Mechanical Engineers (ASME), 2017)This paper presents a study of the dynamics and control of clutchless automated manual transmissions (CLAMT) for the purpose of investigating the system behavior during up and down shifts. To achieve this, a multibody ... -
Design Parameter Study of a New Test Apparatus Developed for Quantitative Rating of Squeak Propensity of Materials
(The American Society of Mechanical Engineers (ASME), 2017)A novel, unique squeak test apparatus was developed to measure squeak propensity of a given pair of materials with a purpose to build a database for automotive engineers. The apparatus employs a sprag-slip mechanism to ... -
An Efficient Algorithm of Wiener–Hopf Method With Graphics Processing Unit for Duct Acoustics
(The American Society of Mechanical Engineers (ASME), 2017)Acoustic liner optimization calls for very efficient simulation methods. A highly efficient and straightforward algorithm is proposed here for the Wiener–Hopf solver, which also takes advantage of the parallel processing ... -
Exact Eigensolutions for a Family of Nonuniform Rods With End Point Masses
(The American Society of Mechanical Engineers (ASME), 2017)In this paper, new exact closed-form solutions for free longitudinal vibration of a one-parameter countable family of cantilever rods with one end tip mass are obtained. The analysis is based on the reduction of the equation ... -
Modeling of a Wind Turbine Rotor Blade System
(The American Society of Mechanical Engineers (ASME), 2017)In wind turbine blade modeling, the coupling between rotor rotational motion and blade vibration has not been thoroughly investigated. The inclusion of the coupling terms in the wind turbine dynamics equations helps us ... -
Enhancing Broadband Vibration Energy Suppression Using Local Buckling Modes in Constrained Metamaterials
(The American Society of Mechanical Engineers (ASME), 2017)Studies on dissipative metamaterials have uncovered means to suppress vibration and wave energy via resonant and bandgap phenomena through such engineered media, while global post-buckling of the infinitely periodic ... -
Multi-Objective Optimization of Elastic Beams for Noise Reduction
(The American Society of Mechanical Engineers (ASME), 2017)This paper presents a study of multi-objective optimization of elastic beams with minimum weight and radiated sound power. The goal of this research is to discover the potentials to design multi-objective optimal elastic ... -
On Using a Strong High-Frequency Excitation for Parametric Identification of Nonlinear Systems
(The American Society of Mechanical Engineers (ASME), 2017)This paper describes a new parametric method for the development of nonlinear models with parameters identified from an experimental setting. The approach is based on applying a strong nonresonant high-frequency harmonic ... -
Vibration Control of Horizontally Excited Structures Utilizing Internal Resonance of Liquid Sloshing in Nearly Square Tanks
(The American Society of Mechanical Engineers (ASME), 2017)Passive control of vibrations in an elastic structure subjected to horizontal, harmonic excitation by utilizing a nearly square liquid tank is investigated. When the natural frequency ratio 1:1:1 is satisfied among the ... -
A Nonlinear Sliding Surface in Sliding Mode Control to Reduce Vibrations of a Three-Link Flexible Manipulator
(The American Society of Mechanical Engineers (ASME), 2017)Many mechanical systems often show nonlinear behavior related to particular operating conditions or to the nonlinear characteristic of the elements (springs, dampers, etc.) making up the system. In these cases, common ...