Journal of Vibration and Acoustics: Recent submissions
Now showing items 481-500 of 3913
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Coupled Extensional and Flexural Motions of a Two-Layer Plate With Interface Slip
(The American Society of Mechanical Engineers (ASME), 2019)The effect of imperfect interface on the coupled extensional and flexural motions in a two-layer elastic plate is investigated from views of theoretical analysis and numerical simulations. A set of full two-dimensional ... -
Natural Frequencies of Submerged Structures Using an Efficient Calculation of the Added Mass Matrix in the Boundary Element Method
(The American Society of Mechanical Engineers (ASME), 2019)This work presents an efficient way to calculate the added mass matrix, which allows solving for natural frequencies and modes of solids vibrating in an inviscid and infinite fluid. The finite element method (FEM) is used ... -
Using Liquid Metal in an Electromechanical Motor With Breathing Mode Motion
(The American Society of Mechanical Engineers (ASME), 2019)Electromechanical actuators exploit the Lorentz force law to convert electrical energy into rotational or linear mechanical energy. In these electromagnetically induced motions, the electrical current flows through wires ... -
A Thévenin-Inspired Approach to Multiple Scattering in Acoustics
(The American Society of Mechanical Engineers (ASME), 2019)We have previously shown how Thévenin's theorem may be used to solve problems in linear acoustic scattering from a mobile body, by forming the solution as a superposition of the field scattered from the body when held ... -
A Mode-Resolved Continuum Mechanics Model of Acoustic Wave Scattering From Embedded Cylinders
(The American Society of Mechanical Engineers (ASME), 2019)In this paper, we use continuum mechanics to develop an analytic treatment of elastic wave scattering from an embedded cylinder and show that a classic treatise on the subject contains important errors for oblique angles ... -
Versatile Absolute Nodal Coordinate Formulation Model for Dynamic Folding Wing Deployment and Flutter Analyses
(The American Society of Mechanical Engineers (ASME), 2019)Aircraft performance can be improved using morphing wing technologies, in which the wing can be deployed and folded under flight conditions, providing a wide flight envelope, good fuel efficiency, and reducing the space ... -
The Energy Flow Analysis as a Tool for Identification of Damping in Tall Buildings Subjected to Wind: Contributions of the Foundation and the Building Structure
(The American Society of Mechanical Engineers (ASME), 2019)In this paper, the energy dissipated in a tall building is identified by means of the energy flow analysis. This approach allows assessing energy dissipation within a specific domain or element of the structure. In this ... -
Influence of Geometric Nonlinearities on the Asynchronous Modes of an Articulated Prestressed Slender Structure
(The American Society of Mechanical Engineers (ASME), 2019)Synchronous modal oscillations, characterized by unisonous motions for all physical coordinates, are well known. In turn, asynchronous oscillations lack a general definition to address all the associated features and ... -
Nonlinear Series-Type Tuned Mass Damper-Tuned Sloshing Damper for Improved Structural Control
(The American Society of Mechanical Engineers (ASME), 2019)A novel type of dynamic vibration absorber (DVA) is proposed, which consists of a tuned mass damper (TMD) and tuned sloshing damper (TSD) connected in series to the structure. The system enables the expensive viscous damping ... -
Axial–Torsional Vibrational Modes of Braided and Trapezoidal Wires
(The American Society of Mechanical Engineers (ASME), 2019)The coupled axial–torsional modes of vibration are examined for three common types of braided wires: the well-known (1 + 6) configuration, the trapezoidal configuration, and the so-called twisted-pair. Representative volume ... -
Dynamics and Realization of a Feedback-Controlled Nonlinear Isolator With Variable Time Delay
(The American Society of Mechanical Engineers (ASME), 2019)In this paper, time-delayed feedback (TD-FB) control is introduced for a nonlinear vibration isolator (NL-VI), and the isolation effectiveness features are investigated theoretically and experimentally. In the feedback ... -
Improved Feasible Load Range and Its Effect on the Frequency Response of Origami-Inspired Vibration Isolators With Quasi-Zero-Stiffness Characteristics1
(The American Society of Mechanical Engineers (ASME), 2019)We describe herein a method for extending the load range of a vibration isolator using a foldable cylinder consisting of a torsional buckling pattern and evaluate the vibration isolating performance through excitation ... -
Experiment-Based Motion Reconstruction and Restitution Coefficient Estimation of a Vibro-Impact System
(The American Society of Mechanical Engineers (ASME), 2019)The objective of this paper is to demonstrate the motion reconstruction and the parameter estimation of a vibro-impact (VI) system from limited experimental information. Based on the measured displacement and acceleration ... -
Finite Element Analysis and Experimental Validation of Transfer Function of Rotating Shaft System With Both an Open Crack and Anisotropic Support Stiffness
(The American Society of Mechanical Engineers (ASME), 2019)In this paper, transfer function of rotating shaft system for detecting transverse open crack is developed. Rotating shaft system is modeled using one-dimensional finite element method (1D-FEM), and quantitative analysis ... -
Elastic Response of Acoustic Coating on Fluid-Loaded Rib-Stiffened Cylindrical Shells
(The American Society of Mechanical Engineers (ASME), 2019)Reinforced cylindrical shells are used in numerous industries; common examples include undersea vehicles, aircraft, and industrial piping. Current models typically incorporate approximation theories to determine shell ... -
Optimal Design of a Stable Fuzzy Controller for Beyond Pull-In Stabilization of Electrostatically Actuated Circular Microplates
(The American Society of Mechanical Engineers (ASME), 2019)The current paper aims to provide an optimal stable fuzzy controller to extend the travel range of a pair of flexible electrostatically actuated circular microplates beyond their pull-in limit. The single mode assumption ... -
Reviewer's Recognition
(The American Society of Mechanical Engineers (ASME), 2019) -
Tailoring Plate Thickness of a Helmholtz Resonator for Improved Sound Attenuation
(The American Society of Mechanical Engineers (ASME), 2019)In this work, the transmission loss of a Helmholtz resonator is maximized (optimized) by allowing the resonator end plate thickness to vary for two cases: (1) a nonoptimized baseline resonator and (2) a resonator with a ... -
A Methodology Based on Structural Finite Element Method-Boundary Element Method and Acoustic Boundary Element Method Models in 2.5D for the Prediction of Reradiated Noise in Railway-Induced Ground-Borne Vibration Problems
(The American Society of Mechanical Engineers (ASME), 2019)This work is focused on the analysis of noise and vibration generated in underground railway tunnels due to train traffic. Specifically, an analysis of noise and vibration generated by train passage in an underground simple ... -
Theoretical and Experimental Study of Viscoelastic Damper Based on Fractional Derivative Approach and Micromolecular Structures
(The American Society of Mechanical Engineers (ASME), 2019)Viscoelastic dampers are one of the most popular earthquake mitigation devices for building structures with a large number of applications in civil engineering. The seismic performance of viscoelastic dampers is greatly ...