Journal of Vibration and Acoustics: Recent submissions
Now showing items 781-800 of 3913
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Experimental Characterizations and Estimation of the Natural Frequency of Nonlinear Rubber Damped Torsional Vibration Absorbers
(The American Society of Mechanical Engineers (ASME), 2016)The natural frequency of a rubberdamped torsional vibration absorber (TVA) depends on the excitation amplitudes and frequencies in a highly nonlinear manner. This is due to nonlinear shear properties of the rubber ring. ... -
Active Vibration Control Using Centrifugal Forces Created by Eccentrically Rotating Masses
(The American Society of Mechanical Engineers (ASME), 2016)The twin rotor damper (TRD) is a newly developed active mass damper. It is presented here along with respective closedloop control algorithms. The greatest advantage of the device is its low power demand when operated in ... -
Design Optimization of Honeycomb Core Sandwich Panels for Maximum Sound Transmission Loss
(The American Society of Mechanical Engineers (ASME), 2016)This study focuses on sound transmission frequency response through honeycomb core sandwich panels with inplane orientation. Specifically, an optimization technique has been presented to determine the honeycomb unit cell ... -
Design and Analysis of a Piezoelectric Vibration Energy Harvester Using Rolling Mechanism
(The American Society of Mechanical Engineers (ASME), 2016)In this paper, a novel piezoelectric vibration energy harvester using rolling mechanism is presented, with the advantage of harvesting more vibration energy and reducing the impact forces caused by the oscillation. The ... -
Dynamics Behavior of a Guided Spline Spinning Disk, Subjected to Conservative In Plane Edge Loads, Analytical and Experimental Investigation
(The American Society of Mechanical Engineers (ASME), 2016)The governing linear equations of transverse motion of a spinning disk with a splined inner radius and constrained from lateral motion by guide pads are derived. The disk is driven by a matching spline arbor that offers ... -
Nonlinear Phonon Modes in Second Order Anharmonic Coupled Monoatomic Chains
(The American Society of Mechanical Engineers (ASME), 2016)We have used multipletimescales perturbation theory as well as the numerical methods of molecular dynamics and spectral energy density (SED) to investigate the phonon band structure of a twochain model with secondorder ... -
Output Only Identification of Nonlinear Systems Via Volterra Series
(The American Society of Mechanical Engineers (ASME), 2016)The operational modal analysis methods based on outputonly measurements are wellknown and applied in linear systems. However, they are not so well developed for nonlinear systems. Thus, this paper proposes an approach for ... -
Numerical Investigation of the Air Pumping Noise Generation Mechanism in Tire Grooves
(The American Society of Mechanical Engineers (ASME), 2016)Tire noise has been a topic of increased focus of research in industrial countries in the recent years, due to its contribution to traffic noise. However, knowledge about aerodynamic noise generation mechanisms, which are ... -
Tuning the Dissipation in Friction Dampers Excited by Depolarized Waves Across Patterned Surfaces
(The American Society of Mechanical Engineers (ASME), 2016)Recently, patterned surfaces (elastodynamic metasurfaces) were shown to cause mechanical wave depolarization resulting in conversion of uniaxial waves to multiaxial vibrations. Frictional oscillators loaded in multiple ... -
Application of Semi Active Inerter in Semi Active Suspensions Via Force Tracking
(The American Society of Mechanical Engineers (ASME), 2016)This paper investigates the application of semiactive inerter in semiactive suspension. A semiactive inerter is defined as an inerter whose inertance can be adjusted within a finite bandwidth by online control actions. A ... -
Modeling and Analysis of Multilayered Elastic Beam Using Spectral Finite Element Method
(The American Society of Mechanical Engineers (ASME), 2016)Multilayered elastic structures are widely used in engineering applications. In this paper, a spectral finite element model (SFEM) is developed to predict the dynamic behavior of a multilayered beam structure. First, a ... -
Optimal Damping of a Taut Cable Under Random Excitation
(The American Society of Mechanical Engineers (ASME), 2016)This paper deals with the optimal damping of a taut cable when the excitation is random in nature. Both white noise and narrow band (NB) random excitations are considered. Effects of spatial correlations of random excitations ... -
Relation Between Structural Intensity Based Scalars and Sound Radiation Using the Example of Plate Rib Models
(The American Society of Mechanical Engineers (ASME), 2016)The ability of the structural intensity (STI) to predict changes in the sound radiation of structures due to geometric modifications is investigated using the academic example of platerib models. All models consist of the ... -
Characterizing Wave Behavior in a Beam Experiment by Using Complex Orthogonal Decomposition
(The American Society of Mechanical Engineers (ASME), 2016)Complex orthogonal decomposition (COD) is applied to an experimental beam to extract the dispersive wave properties from response measurements. The beam is made of steel and is rectangular with a constant cross section. ... -
Floquet Based Analysis of General Responses of the Mathieu Equation
(The American Society of Mechanical Engineers (ASME), 2016)Solutions to the linear unforced Mathieu equation, and their stabilities, are investigated. Floquet theory shows that the solution can be written as a product between an exponential part and a periodic part at the same ... -
An Accurate Singularity Free Formulation of a Three Dimensional Curved Euler–Bernoulli Beam for Flexible Multibody Dynamic Analysis
(The American Society of Mechanical Engineers (ASME), 2016)An accurate singularityfree formulation of a threedimensional curved Euler–Bernoulli beam with large deformations and large rotations is developed for flexible multibody dynamic analysis. Euler parameters are used to ... -
Shift Independent Model Reduction of Large Scale Second Order Mechanical Structures
(The American Society of Mechanical Engineers (ASME), 2016)Nonmodal model order reduction (MOR) techniques present accurate and efficient ways to approximate input–output behavior of largescale mechanical structures. In this regard, Krylovbased model reduction techniques for ... -
Passive Vibration Control Based on Embedded Acoustic Black Holes
(The American Society of Mechanical Engineers (ASME), 2016)This paper uses finite element method to simulate the passive vibration control which is able to improve the overall performance and the operational bandwidth. The vibration control is based on dynamic structural tailoring ... -
Generalized Solutions of Piezoelectric Vibration Based Energy Harvesting Structures Using an Electromechanical Transfer Matrix Method
(The American Society of Mechanical Engineers (ASME), 2016)Piezoelectric vibrationbased energy harvesting (pVEH) offers much potential as renewable energy structures. Within the literature, often geometryspecific models are developed, making designs of new structures difficult. ... -
Anomalous Manipulation of Acoustic Wavefront With an Ultrathin Planar Metasurface
(The American Society of Mechanical Engineers (ASME), 2016)The investigations of metasurfaces have introduced a new direction in researching metamaterials. We propose an ultrathin acoustic metasurface consisting of a series of structurally simple microunits. The microunit is ...