Journal of Vibration and Acoustics: Recent submissions
Now showing items 721-740 of 3913
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Multilayered Inclusions in Locally Resonant Metamaterials: Two-Dimensional Versus Three-Dimensional Modeling
(The American Society of Mechanical Engineers (ASME), 2017)Locally resonant metamaterials (LRMs) controlling low-frequency waves due to resonant scattering are usually characterized by narrow band gaps (BGs) and a poor wave filtering performance. To remedy this shortcoming, ... -
Deterministic and Stochastic Model Order Reduction for Vibration Analyses of Structures With Uncertainties
(The American Society of Mechanical Engineers (ASME), 2017)To reduce the computational effort using polynomial chaos expansion to predict the dynamic characteristics of structures with several uncertain parameters, hybrid techniques combining stochastic finite element analysis ... -
Experimental Study of a Vibrating Disk Submerged in a Fluid-Filled Tank and Confined With a Nonrigid Cover
(The American Society of Mechanical Engineers (ASME), 2017)Determining the dynamic response of submerged and confined disklike structures is of interest in engineering applications, such as in hydraulic turbine runners. This dynamic response is heavily affected by the added mass ... -
Nonlinear Damage Localization in Structures Using Nonlinear Vibration Modulation of Ultrasonic-Guided Waves
(The American Society of Mechanical Engineers (ASME), 2017)This paper proposes a method for nonlinear damage localization in the beam and plate structures with nonlinear vibration modulation of ultrasonic-guided waves. In the proposed technique, the damaged metal beam and plate ... -
An Investigation of Vibrational Power Flow in One-Dimensional Dissipative Phononic Structures
(The American Society of Mechanical Engineers (ASME), 2017)Owing to their ability to block propagating waves at certain frequencies, phononic materials of self-repeating cells are widely appealing for acoustic mitigation and vibration suppression applications. The stop band behavior ... -
Parametrically Excited Electrostatic MEMS Cantilever Beam With Flexible Support
(The American Society of Mechanical Engineers (ASME), 2017)Parametric resonators that show large amplitude of vibration are highly desired for sensing applications. In this paper, a microelectromechanical system (MEMS) parametric resonator with a flexible support that uses ... -
Nonlocal Analytical Solutions for Multilayered One-Dimensional Quasicrystal Nanoplates
(The American Society of Mechanical Engineers (ASME), 2017)An exact closed-form solution for the three-dimensional static deformation and free vibrational response of a simply supported and multilayered quasicrystal (QC) nanoplate with the nonlocal effect is derived. Numerical ... -
Self-Excited Vibration of a Flexibly Supported Shafting System Induced by Friction
(The American Society of Mechanical Engineers (ASME), 2017)Self-excited vibration of a flexibly supported shafting system in a gravity water tunnel was observed in the testing of friction of water-lubricated rubber bearings. The measured vibrations indicated that the self-excited ... -
Dynamic Model for Fatigue Evolution in a Cracked Beam Subjected to Irregular Loading
(The American Society of Mechanical Engineers (ASME), 2017)The coupling of vibration and fatigue crack growth in a simply supported uniform Euler–Bernoulli beam containing a single-edge crack is analyzed. The fatigue crack length is treated as a generalized coordinate in a model ... -
Design Optimization Toward Alleviating Forced Response Variation in Cyclically Periodic Structure Using Gaussian Process
(The American Society of Mechanical Engineers (ASME), 2017)Cyclically periodic structures, such as bladed disk assemblies in turbomachinery, are widely used in engineering systems. It is well known that small uncertainties exist among their substructures, which in certain situations ... -
Metastructure With Piezoelectric Element for Simultaneous Vibration Suppression and Energy Harvesting
(The American Society of Mechanical Engineers (ASME), 2017)Inspired by the mechanism of acoustic–elastic metamaterial (AEMM) that exhibits a stop band gap for wave transmission, simultaneous vibration suppression and energy harvesting can be achieved by integrating AEMM with ... -
Increasing the Performance of a Rotary Piezoelectric Frequency Up-Converting Energy Harvester Under Weak Excitations
(The American Society of Mechanical Engineers (ASME), 2017)In common rotary piezoelectric (PZT) frequency up-converting energy harvesters, impact or nonimpact frequency up-conversion technologies are used. For low separation distances between the magnets in nonimpact cases, when ... -
Multi-Objective Optimization Design of Nonlinear Magnetic Bearing Rotordynamic System
(The American Society of Mechanical Engineers (ASME), 2017)Nonlinear vibrations and their control are critical in improving the magnetic bearings system performance and in the more widely spread use of magnetic bearings system. Multiple objective genetic algorithms (MOGAs) ... -
Dynamic Analysis of an Automotive Belt-Drive System With a Noncircular Sprocket by a Modified Incremental Harmonic Balance Method
(The American Society of Mechanical Engineers (ASME), 2017)A dynamic model of an automotive belt-drive system with a noncircular sprocket instead of a round sprocket is developed in this work to study the effect of reducing the angular variation of camshafts. There are two submodels ... -
Pantograph/Catenary Contact Formulations
(The American Society of Mechanical Engineers (ASME), 2017)In this investigation, the pantograph/catenary contact is examined using two different formulations. The first is an elastic contact formulation that allows for the catenary/panhead separation and for the analysis of the ... -
Optimal Design of Double-Mass Dynamic Vibration Absorbers Arranged in Series or in Parallel
(The American Society of Mechanical Engineers (ASME), 2017)This paper considers the optimal design of double-mass dynamic vibration absorbers (DVAs) attached to an undamped single degree-of-freedom system. Three different optimization criteria, the H∞ optimization, H2 optimization, ... -
Prediction of Rail and Bridge Noise in Near- and Far-Field: A Combined 2.5-Dimensional and Two-Dimensional Method
(The American Society of Mechanical Engineers (ASME), 2017)Bridge noise and rail noise induced by passing trains should be included while estimating low- and medium-frequency (20–1000 Hz) noise in railway viaducts. However, the prediction of bridge noise and rail noise using a ... -
Lyapunov Functions and Sliding Mode Control for Two Degrees-of-Freedom and Multidegrees-of-Freedom Fractional Oscillators
(The American Society of Mechanical Engineers (ASME), 2017)This paper addresses the Lyapunov functions and sliding mode control design for two degrees-of-freedom (2DOF) and multidegrees-of-freedom (MDOF) fractional oscillators. First, differential equations of motion for 2DOF ... -
A Self-Sufficient and Frequency Tunable Piezoelectric Vibration Energy Harvester
(The American Society of Mechanical Engineers (ASME), 2017)In this paper, a novel smart vibration energy harvester (VEH) is presented. The harvester automatically adjusts its natural frequency to stay in resonance with ambient vibration. The proposed harvester consists of two ... -
On Vibration Suppression and Energy Dissipation Using Tuned Mass Particle Damper
(The American Society of Mechanical Engineers (ASME), 2017)Particle damping has the promising potential for attenuating unwanted vibrations in harsh environments especially under high temperatures where conventional damping materials would not be functional. Nevertheless, a ...