Journal of Vibration and Acoustics: Recent submissions
Now showing items 1161-1180 of 3913
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Wave Vibration Control of L Shaped and Portal Planar Frames
(The American Society of Mechanical Engineers (ASME), 2013)This paper discusses the control of coupled bending and axial vibrations in Lshaped and portal planar frame structures. The controller is designed based on a wave standpoint, in which vibrations are described as waves ... -
Friction Induced, Self Excited Vibration of a Pantograph Catenary System
(The American Society of Mechanical Engineers (ASME), 2013)A dynamic model of a pantographcatenary system is established. In the model, motion of the pantograph is coupled with that of the catenary by friction. Stability of the pantographcatenary system is studied using the finite ... -
Development of a Semi Active Electromagnetic Vibration Absorber and Its Experimental Study
(The American Society of Mechanical Engineers (ASME), 2013)In this work, a semiactive electromagnetic vibration absorber has been developed based on a proposed electromagnetic stiffness adjustable spring model, which presents a new solution for adjusting stiffness in the field of ... -
Aeroelastic Stability and Response of Composite Swept Wings in Subsonic Flow Using Indicial Aerodynamics
(The American Society of Mechanical Engineers (ASME), 2013)In this study, the aeroelastic stability and response of an aircraft swept composite wing in subsonic compressible flow are investigated. The composite wing was modeled as an anisotropic thinwalled composite beam with the ... -
Exact Solutions for Free Vibrations and Buckling of Double Tapered Columns With Elastic Foundation and Tip Mass
(The American Society of Mechanical Engineers (ASME), 2013)The present study aims at the free vibration analysis of double tapered columns. Foundation is assumed to be elastic and the effects of selfweight and tip mass with significant moment of inertia are considered. The governing ... -
Dual Functional Energy Harvesting and Vibration Control: Electromagnetic Resonant Shunt Series Tuned Mass Dampers
(The American Society of Mechanical Engineers (ASME), 2013)This paper proposes a novel retrofittable approach for dualfunctional energyharvesting and robust vibration control by integrating the tuned mass damper (TMD) and electromagnetic shunted resonant damping. The viscous ... -
Torsional Vibration Analysis of Carbon Nanotubes Based on the Strain Gradient Theory and Molecular Dynamic Simulations
(The American Society of Mechanical Engineers (ASME), 2013)In the current study, the torsional vibration of carbon nanotubes is examined using the strain gradient theory and molecular dynamic simulations. The model developed based on this gradient theory enables us to interpret ... -
Oscillation of C60 Fullerene in Carbon Nanotube Bundles
(The American Society of Mechanical Engineers (ASME), 2013)This paper aims to present a thorough investigation into the mechanics of a C60 fullerene oscillating within the center of a carbon nanotube bundle. To model this nanoscale oscillator, a continuum approximation is used ... -
Surface Waves on a Half Space Due to a Time Harmonic Loading on an Inertial Strip Foundation
(The American Society of Mechanical Engineers (ASME), 2013)An analytical approach has been applied to obtain the solution of Navier's equation for a homogeneous, isotropic halfspace under an inertial foundation subjected to a timeharmonic loading. Displacement potentials were used ... -
Magnetic Damper Consisting of a Combined Hollow Cylinder Magnet and Conducting Disks
(The American Society of Mechanical Engineers (ASME), 2013)It is recognized that unstable vibration occurs at a rotating speed above the major critical speed by a rotatingconductingdisk type magnetic damper, but not by a rotatingcircularmagnet type magnetic damper. In addition, ... -
Optimization of Noise Transmission Through Sandwich Structures
(The American Society of Mechanical Engineers (ASME), 2013)An optimization methodology to increase the noise transmission loss (TL) of damped sandwich structures is presented. The prediction of the TL uses a numerical tool based on a finite element formulation for the sandwich ... -
Detection of Damage in Space Frame Structures With L Shaped Beams and Bolted Joints Using Changes in Natural Frequencies
(The American Society of Mechanical Engineers (ASME), 2013)It is difficult to use conventional nondestructive testing methods to detect damage, such as loosening of bolted connections, in a space frame structure due to the complexity of the structure and the nature of the possible ... -
A Mechanical Approach to the Design of Independent Modal Space Control for Vibration Suppression
(The American Society of Mechanical Engineers (ASME), 2013)Many systems have, by their nature, a small damping and therefore they are potentially subjected to dangerous vibration phenomena. The aim of active vibration control is to contain this phenomenon, improve the dynamic ... -
Analytical and Finite Element Modal Analysis of a Hyperelastic Membrane for Micro Air Vehicle Wings
(The American Society of Mechanical Engineers (ASME), 2013)Analytical and finite element models are developed for investigating the modal characteristics of a hyperelastic rubber latex membrane for micro air vehicle wings applications. A radially prestretched membrane specimen is ... -
Characterization of Dynamic Response of Structures With Uncertainty by Using Gaussian Processes
(The American Society of Mechanical Engineers (ASME), 2013)Characterizing dynamic characteristics of structures with uncertainty is an important task that provides critical predictive information for structural design, assessment, and control. In practical applications, sampling ... -
An Accurate Spatial Discretization and Substructure Method With Application to Moving Elevator Cable Car Systems—Part II: Application
(The American Society of Mechanical Engineers (ASME), 2013)This paper uses the methodology developed in Part I of this work to study the longitudinal, transverse, and their coupled vibrations of moving elevator cablecar systems. A suspension cable is a onedimensional lengthvariant ... -
Modeling and Experimental Investigation of a Helmholtz Resonator With a Flexible Plate
(The American Society of Mechanical Engineers (ASME), 2013)A Helmholtz resonator with a uniform, flexible end plate is studied in this work. This work shows that the flexible plate modifies the frequency response characteristics of the resonator, providing multiple distinct resonant ... -
Modal Frequency Response of a Four Pad Tilting Pad Bearing With Spherical Pivots, Finite Pivot Stiffness, and Different Pad Preloads
(The American Society of Mechanical Engineers (ASME), 2013)Tilting pad journal bearings (TPJBs) provide radial support for rotors in highspeed machinery. Since the tilting pads cannot support a moment about the pivot, selfexcited crosscoupled forces due to fluidstructure interactions ... -
Response Probability Analysis of Random Acoustic Field Based on Perturbation Stochastic Method and Change of Variable Technique
(The American Society of Mechanical Engineers (ASME), 2013)To calculate the probability density function of the response of a random acoustic field, a changeofvariable perturbation stochastic finite element method (CVPSFEM), which integrates the perturbation stochastic finite ... -
On the Wave Propagation of Disturbances in Homogeneous Electromechanical Systems
(The American Society of Mechanical Engineers (ASME), 2013)In this paper, we make an attempt to describe the phenomenon of wave propagation when a disturbance is introduced in an electromechanical system having a lumped parameter representation. We initially discuss mechanical ...