Journal of Vibration and Acoustics: Recent submissions
Now showing items 681-700 of 3913
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Bistable Cantilevers Actuated by Fringing Electrostatic Fields
(The American Society of Mechanical Engineers (ASME), 2017)Bistable microstructures are distinguished by their ability to stay in two different stable configurations at the same loading. They manifest rich behavior and are advantageous in applications such as switches, nonvolatile ... -
Rigid-Flexible Coupling Dynamic Modeling and Vibration Control for a Three-Axis Stabilized Spacecraft
(The American Society of Mechanical Engineers (ASME), 2017)An approach is proposed to obtain the global analytical modes (GAMs) and establish discrete dynamic model with low degree-of-freedom for a three-axis attitude stabilized spacecraft installed with a pair of solar arrays. ... -
Component-Centric Reduced Order Modeling of the Dynamic Response of Linear Multibay Structures
(The American Society of Mechanical Engineers (ASME), 2017)Component-centric reduced order models (ROMs) are introduced here as small-size ROMs providing an accurate prediction of the linear response of part of a structure (the β component) without focusing on the rest of it (the ... -
Novel Frame Model for Mistuning Analysis of Bladed Disk Systems
(The American Society of Mechanical Engineers (ASME), 2017)The work investigates the application of a novel frame model to reduce computational cost of the mistuning analysis of bladed disk systems. A full-scale finite element (FE) model of the bladed disk is considered as benchmark. ... -
Parametric Excitation of a Microbeam-String With Asymmetric Electrodes: Multimode Dynamics and the Effect of Nonlinear Damping
(The American Society of Mechanical Engineers (ASME), 2017)The dynamic motion of a parametrically excited microbeam-string affected by nonlinear damping is considered asymptotically and numerically. It is assumed that the geometrically nonlinear beam-string, subject to only modulated ... -
An Experimental and Theoretical Investigation of the Mechanical Behavior of Multilayer Initially Curved Microplates Under Electrostatic Actuation
(The American Society of Mechanical Engineers (ASME), 2017)We investigate the static and dynamic behavior of a multilayer clamped-free–clamped-free (CFCF) microplate, which is made of polyimide, gold, chromium, and nickel. The microplate is slightly curved away from a stationary ... -
On the Nonlinear Dynamics of a Doubly Clamped Microbeam Near Primary Resonance
(The American Society of Mechanical Engineers (ASME), 2017)This work aims to investigate theoretically and experimentally various nonlinear dynamic behaviors of a doubly clamped microbeam near its primary resonance. Mainly, we investigate the transition behavior from hardening, ... -
Design and Numerical Analysis of Vibration Isolators With Quasi-Zero-Stiffness Characteristics Using Bistable Foldable Structures
(The American Society of Mechanical Engineers (ASME), 2017)In this paper, a novel vibration isolator based on a foldable cylinder with a torsional buckling pattern, which is also called Kresling's pattern, is proposed, and the performance of the proposed isolator in terms of ... -
In Memoriam: Ali Hasan Nayfeh
(The American Society of Mechanical Engineers (ASME), 2017) -
The Effects of Initial Rise and Axial Loads on MEMS Arches
(The American Society of Mechanical Engineers (ASME), 2017)Arch microbeams have been utilized and proposed for many uses over the past few years due to their large tunability and bistability. However, recent experimental data have shown different mechanical behaviors of arches ... -
A Six Degrees-of-Freedom Vibration Isolation Platform Supported by a Hexapod of Quasi-Zero-Stiffness Struts
(The American Society of Mechanical Engineers (ASME), 2017)A platform supported by a hexapod of quasi-zero-stiffness (QZS) struts is proposed to provide a solution for low-frequency vibration isolation in six degrees-of-freedom (6DOFs). The QZS strut is developed by combining a ... -
Special Section on the Dynamics of MEMS and NEMS
(The American Society of Mechanical Engineers (ASME), 2017) -
Flexoelectric Actuation and Vibration Control of Ring Shells
(The American Society of Mechanical Engineers (ASME), 2017)The converse flexoelectric effect, i.e., the polarization (or electric field) gradient-induced internal stress (or strain), can be utilized to actuate and control flexible structures. This study focuses on the microscopic ... -
Stability of Ring-Type MEMS Gyroscopes Subjected to Stochastic Angular Speed Fluctuation
(The American Society of Mechanical Engineers (ASME), 2017)Effect of stochastic fluctuations in angular velocity on the stability of two degrees-of-freedom ring-type microelectromechanical systems (MEMS) gyroscopes is investigated. The governing stochastic differential equations ... -
Modeling Legged Microrobot Locomotion Based on Contact Dynamics and Vibration in Multiple Modes and Axes
(The American Society of Mechanical Engineers (ASME), 2017)A dynamic model is developed for small-scale robots with multiple high-frequency actuated compliant elastic legs and a rigid body. The motion of the small-scale robots results from dual-direction motion of piezoelectric ... -
Optimized Finite Element Method for Acoustic Scattering Analysis With Application to Head-Related Transfer Function Estimation
(The American Society of Mechanical Engineers (ASME), 2017)Obtaining head-related transfer functions (HRTFs) is a challenging task, in spite of its importance in localizing sound in a three-dimensional (3D) environment or improving the performance of hearing aids, among their ... -
Nonlinear Analysis of Bifurcation Phenomenon for a Simple Flexible Rotor System Supported by a Full-Circular Journal Bearing
(The American Society of Mechanical Engineers (ASME), 2017)This paper demonstrates nonlinear theoretical analysis of a flexible rotor system supported by a full-circular journal bearing focusing on the bifurcation phenomenon in the vicinity of the stability limit (bifurcation ... -
Exact Frequency Equation of a Linear Structure Carrying Lumped Elements Using the Assumed Modes Method
(The American Society of Mechanical Engineers (ASME), 2017)Combined systems consisting of linear structures carrying lumped attachments have received considerable attention over the years. In this paper, the assumed modes method is first used to formulate the governing equations ... -
Structural Acoustics of a Rectangular Panel Backed by a Cavity: An Analytical Matrix Approach
(The American Society of Mechanical Engineers (ASME), 2017)The coupling matrix in structural-acoustic systems carries the entire information about the coupled resonances. We have found an elegant way of presenting this matrix and computing its determinant analytically (in a ... -
Free and Forced Vibration Analysis of Ring-Stiffened Conical–Cylindrical–Spherical Shells Through a Semi-Analytic Method
(The American Society of Mechanical Engineers (ASME), 2017)A semi-analytic method is presented to analyze free and forced vibrations of combined conical–cylindrical–spherical shells with ring stiffeners and bulkheads. First, according to locations of discontinuity, the combined ...