Journal of Vibration and Acoustics: Recent submissions
Now showing items 921-940 of 3913
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Stability Analysis and Improvement of Uncertain Disk Brake Systems With Random and Interval Parameters for Squeal Reduction
(The American Society of Mechanical Engineers (ASME), 2015)Stability analysis and improvement of disk brake systems for squeal reduction have been investigated by automotive manufacturers for decades. However, most of the researches have not considered uncertainties. For this case, ... -
Dynamics of Cricket Sound Production
(The American Society of Mechanical Engineers (ASME), 2015)The clever designs of natural transducers are a great source of inspiration for manmade systems. At small length scales, there are many transducers in nature that we are now beginning to understand and learn from. Here, ... -
Dynamics of Rocking Semicircular, Parabolic, and Semi Elliptical Disks: Equilibria, Stability, and Natural Frequencies
(The American Society of Mechanical Engineers (ASME), 2015)This paper performs a theoretical and experimental investigation of the natural frequency and stability of rocking semicircular, parabolic, and semielliptical disks. Horace Lamb's method for deriving the natural frequency ... -
Some Improvements on a General Particle Filter Based Bayesian Approach for Extracting Bearing Fault Features
(The American Society of Mechanical Engineers (ASME), 2015)In our previous work, a general particle filter based Bayesian method was proposed to derive the graphical relationship between wavelet parameters, including center frequency and bandwidth, and to posteriorly find optimal ... -
On the Effects of Mistuning a Force Excited System Containing a Quasi Zero Stiffness Vibration Isolator
(The American Society of Mechanical Engineers (ASME), 2015)Nonlinear isolators with highstaticlowdynamicstiffness have received considerable attention in the recent literature due to their performance benefits compared to linear vibration isolators. A quasizerostiffness (QZS) ... -
Damage Identification Based on the Proper Orthogonal Mode Energy Curvature
(The American Society of Mechanical Engineers (ASME), 2015)The evaluation of the structural performance and durability using only measurement data without any baseline data is practical. One measurement data type is the frequency response function (FRF) data set, which does not ... -
Investigation of a Compound Perforated Panel Absorber With Backing Cavities Partially Filled With Polymer Materials
(The American Society of Mechanical Engineers (ASME), 2015)The paper concerns the sound absorption performance of a compound absorber which consists of a parallel arrangement of multiple perforated panel absorbers of different backing cavity depths partially filled with poroelastic ... -
Theoretical and Numerical Determination of Low Frequency Reverberant Characteristics of Coupled Rooms
(The American Society of Mechanical Engineers (ASME), 2015)The main aim of room acoustics is to predict reverberant properties of enclosures from measured or numerically simulated room responses. In this paper, this issue was examined in lowfrequency range where acoustic characteristics ... -
Periodic Response of a Duffing Oscillator Under Combined Harmonic and Random Excitations
(The American Society of Mechanical Engineers (ASME), 2015)This paper presents a solution procedure to investigate the periodic response of a Duffing oscillator under combined harmonic and random excitations. The solution procedure consists of an implicit harmonic balance method ... -
Detection of Bearing Fault Detection From Heavily Contaminated Signals: A Higher Order Analytic Energy Operator Method
(The American Society of Mechanical Engineers (ASME), 2015)This paper reports a higherorder analytic energy operator (HOAEO) approach to monitoring bearing health conditions from vibrations signals that are polluted by strong noise and multiple interferences. The proposed analytic ... -
Numerical Investigation of Lateral and Axial Wave Propagation in Drill Strings for Stability Monitoring
(The American Society of Mechanical Engineers (ASME), 2015)In this paper, the propagation of lateral waves and axial acoustic waves in a drillstring are studied by using a new numerical method and a stability monitoring scheme is proposed. The drillstring is modeled as a linear ... -
Ground Based Response of a Spinning, Cyclic Symmetric Rotor Assembled to a Flexible Stationary Housing Via Multiple Bearings
(The American Society of Mechanical Engineers (ASME), 2015)This paper is to study groundbased response of a spinning, cyclic symmetric rotor assembled to a flexible housing via multiple bearings. In particular, interaction of the spinning rotor and the flexible housing is manifested ... -
Mathematical Insights Into Linear Mode Localization in Nearly Cyclic Symmetric Rotors With Mistune
(The American Society of Mechanical Engineers (ASME), 2015)In this paper, we develop a mathematical analysis to gain insights of mode localization often encountered in nearly cyclic symmetric rotors that contain slight mistune. First, we conduct a Fourier analysis in the spatial ... -
Friction Induced Vibration in Windscreen Wiper Contacts
(The American Society of Mechanical Engineers (ASME), 2015)This research is aimed at understanding the mechanisms that give rise to friction induced noise in automotive windscreen wipers, with a focus on frequencies between 500 and 3500 Hz. To study this phenomenon, experimental ... -
A Condensation Method for the Dynamic Analysis of Vertical Vehicle–Track Interaction Considering Vehicle Flexibility
(The American Society of Mechanical Engineers (ASME), 2015)This paper is aimed at developing a computationally efficient approach to simulate the vertical dynamic behavior of vehicle–track coupled system. With the finite element method, the car body, bogies, and rail are modeled ... -
A Novel Perturbation Based Approach for the Prediction of the Forced Response of Damped Mistuned Bladed Disks
(The American Society of Mechanical Engineers (ASME), 2015)This paper focuses on the formulation and validation of a novel perturbation method for the prediction of the forced response of mistuned bladed disks. At the contrary of most previous methods, this approach leads to a ... -
Complex Modal Analysis of a Nonmodally Damped Continuous Beam
(The American Society of Mechanical Engineers (ASME), 2015)This work represents an investigation of the complex modes of continuous vibration systems with nonmodal damping. As an example, a cantilevered beam with damping at the free end is studied. Assumed modes are applied to ... -
On the Transverse, Low Frequency Vibrations of a Traveling String With Boundary Damping
(The American Society of Mechanical Engineers (ASME), 2015)In this paper, we study the free transverse vibrations of an axially moving (gyroscopic) material represented by a perfectly flexible string. The problem can be used as a simple model to describe the low frequency oscillations ... -
Vibration Analysis of Flexible Rotating Rings Using a Spectral Element Formulation
(The American Society of Mechanical Engineers (ASME), 2015)In this work, the forced response of rotating rings exhibiting nonperiodic and periodic variations in material properties and geometry is assessed by means of the spectral element method (SEM). Based on the Euler–Bernoulli ... -
Spectral Finite Element for Wave Propagation in Curved Beams
(The American Society of Mechanical Engineers (ASME), 2015)In this paper, spectral finite elements (SFEs) are developed for wave propagation analysis of isotropic curved beams using three different beam models: (1) the refined thirdorder shear deformation theory (TOT), (2) the ...