Journal of Vibration and Acoustics: Recent submissions
Now showing items 741-760 of 3913
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Vibration Analysis of Pipes Supported by a Flexible Tank Wall Considering the Support Clearances
(The American Society of Mechanical Engineers (ASME), 2017)The vibration of pipes supported by a flexible tank wall is analyzed taking into account the hydroelastic vibration of the tank and the nonlinearity caused by the support clearances. Because the support clearances increase ... -
A Linear Feedback Control Framework for Optimally Locating Passive Vibration Isolators With Known Stiffness and Damping Parameters
(The American Society of Mechanical Engineers (ASME), 2017)This paper investigates the problem of optimally locating passive vibration isolators to minimize unwanted vibration caused by exogenous disturbance forces. The stiffness and damping parameters of the isolators are assumed ... -
On Parametric Stability of a Nonconstant Axially Moving String Near Resonances
(The American Society of Mechanical Engineers (ASME), 2017)The stability of an axially moving string system subjected to parametric excitation resulting from speed fluctuations has been examined in this paper. The time-dependent velocity is assumed to be a harmonically varying ... -
A Study on the Correlation Between Dynamic Transmission Error and Dynamic Tooth Loads in Spur and Helical Gears
(The American Society of Mechanical Engineers (ASME), 2017)A three-dimensional (3D) dynamic gear model is presented which combines classic shaft, lumped parameter, and specific two-node gear elements. The mesh excitation model is based on transmission errors (TEs), and its ... -
Investigations on Wave Propagation of the Pressure Pulsation in a Helmholtz-Type Hydraulic Silencer With a Hemispherical Vessel
(The American Society of Mechanical Engineers (ASME), 2017)The Helmholtz-type hydraulic silencer is one of the most practical silencers for attenuating pressure pulsations in hydraulic systems owing to its simple structure and reasonable cost. Maximum attenuation performance can ... -
Cluster Analysis and Switching Algorithm of Multi-Objective Optimal Control Design
(The American Society of Mechanical Engineers (ASME), 2017)The multi-objective optimal control design usually generates hundreds or thousands of Pareto optimal solutions. How to assist a user to select an appropriate controller to implement is a postprocessing issue. In this paper, ... -
Effects of Typical Machining Errors on the Nonlinear Dynamic Characteristics of Rod-Fastened Rotor Bearing System
(The American Society of Mechanical Engineers (ASME), 2017)The effects of typical machining errors on the dynamic features of rod-fastened rotor bearing system (RBS) are studied in this paper. Three micron-sized machining errors are considered in a three-dimensional (3D) rod-fastened ... -
Simultaneous Influence of Static Load and Temperature on the Electromechanical Signature of Piezoelectric Elements Bonded to Composite Aeronautic Structures
(The American Society of Mechanical Engineers (ASME), 2016)Electromechanical (EM) signature techniques have raised a huge interest in the structural health-monitoring community. These methods aim at assessing structural damages and sensors degradation by analyzing the EM responses ... -
Acoustically Coupled Microphone Arrays
(The American Society of Mechanical Engineers (ASME), 2016)An analysis is presented of the performance benefits that can be achieved by introducing acoustic coupling between the diaphragms in an array of miniature microphones. The introduction of this coupling is analogous to the ... -
Uncertainty Analysis of a Tilting-Pad Journal Bearing Using Fuzzy Logic Techniques
(The American Society of Mechanical Engineers (ASME), 2016)This paper is dedicated to the analysis of uncertainties affecting the load capability of a 4-pad tilting-pad journal bearing in which the load is applied on a given pad load on pad configuration (LOP). A well-known ... -
Reduction of Jet Impingement Noise by Addition of Swirl
(The American Society of Mechanical Engineers (ASME), 2016)Experimental investigations are carried out with an objective of reducing impingement jet noise using coaxial swirl jets. Two nozzle-to-plate distances have been considered and the Mach number values ranged from 0.95 to ... -
Effects of Added Mass on Lead-Zirconate-Titanate Thin-Film Microactuators in Aqueous Environments
(The American Society of Mechanical Engineers (ASME), 2016)In this paper, we conduct experimental, theoretical, and numerical studies of a lead-zirconate-titanate (PZT) thin-film microactuator probe submerged in water. The major component of the actuator is a PZT diaphragm anchored ... -
A Dimensionless Quotient for Determining Coupling Strength in Modal Energy Analysis
(The American Society of Mechanical Engineers (ASME), 2016)Modal energy analysis (MODENA) is an energy-based method recently proposed to estimate the dynamic response of a coupled structure/acoustic cavity system. The accuracy of MODENA is affected by the coupling strength between ... -
Lumped Element Multimode Modeling of Balanced-Armature Receiver Using Modal Analysis
(The American Society of Mechanical Engineers (ASME), 2016)For the lack of higher-order modes, lumped element (LE) models currently used may be insufficient to predict the system of balanced-armature receiver (BAR). We develop an LE multimode model for BAR in the frequency domain ... -
An Analytical Study on Forced Vibration of Beams Carrying a Number of Two Degrees-of-Freedom Spring–Damper–Mass Subsystems
(The American Society of Mechanical Engineers (ASME), 2016) -
Vibration Analysis of the Free-Falling Microstructure Profiler
(The American Society of Mechanical Engineers (ASME), 2016)Free-falling microstructure profiler (FFMP) is the most effective platform for measuring ocean microstructure turbulence. Vibration is the key factor of influencing the accuracy of the measurement of the shear sensor mounted ... -
A Broadband Internally Resonant Vibratory Energy Harvester
(The American Society of Mechanical Engineers (ASME), 2016)The objective of this paper is twofold: first to illustrate that nonlinear modal interactions, namely, a twotoone internal resonance energy pump, can be exploited to improve the steadystate bandwidth of vibratory energy ... -
Dynamic Behavior of Finite Coupled Mindlin Plates With a Blocking Mass
(The American Society of Mechanical Engineers (ASME), 2016)A power flow analysis of finite coupled Mindlin plates with a blocking mass at the junction of the coupled plates is investigated using the method of reverberationray matrix (MRRM). An exact solution is derived by the plate ... -
A Three Dimensional Numerical Investigation of Air Pumping Noise Generation in Tires
(The American Society of Mechanical Engineers (ASME), 2016)Tire noise reduction is an important aspect of overall vehicle noise reduction. However, due to the complex nature of tire noise generation and correlation between various generation mechanisms, it is difficult to isolate, ... -
Exact H2 Optimal Tuning and Experimental Verification of Energy Harvesting Series Electromagnetic Tuned Mass Dampers
(The American Society of Mechanical Engineers (ASME), 2016)Energyharvesting series electromagnetictuned mass dampers (EMTMDs) have been recently proposed for dualfunctional energy harvesting and robust vibration control by integrating the tuned mass damper (TMD) and electromagnetic ...