Journal of Vibration and Acoustics: Recent submissions
Now showing items 1221-1240 of 3913
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Multiple Frequencies Elliptical Whirling Orbit Model and Transient RANS Solution Approach to Rotordynamic Coefficients of Annual Gas Seals Prediction
(The American Society of Mechanical Engineers (ASME), 2013)A numerical method using the multiple frequencies elliptical whirling orbit model and transient Reynoldsaveraged Navier–Stokes (RANS) solution was proposed for prediction of the frequency dependent rotordynamic coefficients ... -
Finite Element Model Updating of Machine Tool Spindle Systems
(The American Society of Mechanical Engineers (ASME), 2013)The unknown joint dynamics are the main obstacle that limits the accuracy of the finite element (FE) model of a machinetool spindle assembly. In this paper, an FE model updating method is proposed to assist industrial ... -
Vibrations of Circular Cylindrical Shells With General Elastic Boundary Restraints
(The American Society of Mechanical Engineers (ASME), 2013)Vibration of a circular cylindrical shell with elastic boundary restraints is of interest to both researchers and structural engineers. This class of problems, however, is far less attempted in the literature than its ... -
Homotopy Perturbation Method for Nonlinear Vibration Analysis of Functionally Graded Plate
(The American Society of Mechanical Engineers (ASME), 2013)In this paper, the Homotopy perturbation method (HPM) is used to analysis the geometrically nonlinear vibrations of thin rectangular laminated functionally graded material (FGM) plates. The Von Karman's straindisplacement ... -
Defect Induced Mechanical Mode Splitting in Carbon Nanotube Resonators
(The American Society of Mechanical Engineers (ASME), 2013)This work examines the impact of defects on the resonant response of singlewall carbon nanotube (CNT) resonators using classical molecular dynamics (MD) simulations. The work demonstrates that the presence of defects in ... -
Probabilistic Interval Perturbation Methods for Hybrid Uncertain Acoustic Field Prediction
(The American Society of Mechanical Engineers (ASME), 2013)For the hybrid uncertain acoustic field prediction with random and interval variables, the random interval dynamic equilibrium equation is established and two hybrid probabilistic interval perturbation methods, named as ... -
Ensemble Noise Reconstructed Empirical Mode Decomposition for Mechanical Fault Detection
(The American Society of Mechanical Engineers (ASME), 2013)Various faults inevitably occur in mechanical systems and may result in unexpected failures. Hence, fault detection is critical to reduce unscheduled downtime and costly breakdowns. Empirical mode decomposition (EMD) is ... -
Three Dimensional Tailored Vibration Response and Flutter Control of High Bypass Shroudless Aeroengine Fans
(The American Society of Mechanical Engineers (ASME), 2013)A new reducedorder design synthesis technology has been developed for vibration response and flutter control of coldstream, highbypass ratio, shroudless, aeroengine fans. To simplify the design synthesis (optimization) of ... -
Statics and Dynamics of MEMS Arches Under Axial Forces
(The American Society of Mechanical Engineers (ASME), 2013)This works aims to investigate the effect of axial forces on the static behavior and the fundamental natural frequency of electrostatically actuated MEMS arches. The analysis is based on a nonlinear equation of motion of ... -
Random Vibration Analysis of Planetary Gear Trains
(The American Society of Mechanical Engineers (ASME), 2013)This article investigates the vibration response of a planetary gear train under excitations of both deterministic and random loads. A lumped parameter model has been used in this investigation and the random excitations ... -
Complex Modal Analysis of the Swimming Motion of a Whiting
(The American Society of Mechanical Engineers (ASME), 2013)The kinematics of the transverse motion of a swimming fish are analyzed using a complex modal decomposition. Cinematographic images of a swimming whiting (Gadus merlangus) were obtained from the work of Sir James Gray ... -
Linearized Frequencies and Damping in Composite Laminated Beams Subject to Buckling
(The American Society of Mechanical Engineers (ASME), 2013)This paper considers the damped smallamplitude freevibration of composite laminated strips subject to large inplane forces and rotations. A theoretical framework is formulated for the prediction of the nonlinear damping ... -
Determination of the State of Wear of High Contact Ratio Gear Sets by Means of Spectrum and Cepstrum Analysis
(The American Society of Mechanical Engineers (ASME), 2013)The paper presents basic procedures and methods used for determining the state of wear of high contact ratio (HCR) gear sets comparing frequency spectra and cepstra recorded throughout their lifetime tests, through ... -
Active Structural Acoustic Control of Laminated Composite Truncated Conical Shells Using Smart Damping Treatment
(The American Society of Mechanical Engineers (ASME), 2013)This article deals with the active structuralacoustic control of composite truncated circular conical shells using active constrained layer damping (ACLD) treatment. The constraining layer of the ACLD treatment is made of ... -
Free Vibration Analysis of Thin Walled Cylinders Reinforced With Longitudinal and Transversal Stiffeners
(The American Society of Mechanical Engineers (ASME), 2013)This paper deals with the dynamic analysis of reinforced thinwalled structures by means of refined onedimensional models. Complex reinforced structures are considered which are built by using different components: skin, ... -
Coupled Flight Dynamic and Low Order Aeroelastic Model for a Slender Launch Vehicle
(The American Society of Mechanical Engineers (ASME), 2013)This paper presents a method to develop a loworder aeroelastic model that qualitatively captures some of the phenomena experienced by launch vehicles, suitable for use in preliminary controller design. Equations of motion ... -
Flexoelectric Responses of Circular Rings
(The American Society of Mechanical Engineers (ASME), 2013)Dynamic sensing is essential to effective closedloop control of precision structures. In a centrosymmetric crystal subjected to inhomogeneous deformation, when piezoelectricity is absent, only the strain gradient contributes ... -
Fundamental Frequencies of Rounded Polygonal Membranes—A Class of Homotopy Shapes
(The American Society of Mechanical Engineers (ASME), 2013)Rounding of sharp corners of a membrane (or waveguide) is unavoidable in practice. The natural vibration frequencies of polygonal membranes with rounded vertices are studied by introducing a new family of homotopy shapes ... -
Component Mode Synthesis Method Applied to Two Dimensional Acoustic Analysis in Ducts
(The American Society of Mechanical Engineers (ASME), 2013)This paper presents a modal approach to calculate the acoustic normal modes in complex ducts. In this study, the component modal synthesis (CMS) method in two dimensions for application in large duct with acoustic propagation ... -
Nonlinear Transient Dynamics of Pendulum Torsional Vibration Absorbers—Part II: Experimental Results
(The American Society of Mechanical Engineers (ASME), 2013)This paper presents results from an experimental investigation of the transient response of centrifugal pendulum vibration absorbers, including a comparison with the analytical results derived in the companion paper, Part ...