Journal of Vibration and Acoustics: Recent submissions
Now showing items 1861-1880 of 3913
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Active Noise Control Using Phase-Compensated, Damped Resonant Filters
(The American Society of Mechanical Engineers (ASME), 2006)An active noise control device called active noise absorber or ANA, which is based upon damped, resonant filters is developed and demonstrated. It is similar to structural positive position ... -
Adaptive Control of a Base Isolated System for Protection of Building Structures
(The American Society of Mechanical Engineers (ASME), 2006)In this paper, we present two adaptive backstepping control algorithms for a second-order uncertain hysteretic structural system found in base isolation scheme for seismic active protection of ... -
Experimental Investigation Into the Effect of Fluid Viscosity on Instability of an Over-hung Flexible Rotor Partially Filled With Fluid
(The American Society of Mechanical Engineers (ASME), 2006)The effect of fluid viscosity on the developing process of the instability in an over-hung flexible rotor partially filled with fluid, the dynamical behavior of the rotor system while the ... -
On the Spillover of Steady State Unbalance Response of a Rotating Shaft Under Velocity Feedback
(The American Society of Mechanical Engineers (ASME), 2006)It has been stated that a uniform rotating shaft in the Rayleigh beam model has only a finite number of critical speeds and precession modes. This paper presents a controller design of optimal ... -
Chaotic Vibration and Internal Resonance Phenomena in Rotor Systems
(The American Society of Mechanical Engineers (ASME), 2006)Rotating machinery has effects of gyroscopic moments, but most of them are small. Then, many kinds of rotor systems satisfy the relation of 1 to (−1) type internal resonance approximately. In ... -
Prediction of the Stability Envelope of Rotor-Bearing System
(The American Society of Mechanical Engineers (ASME), 2006)A method is developed for predicting the stability envelope of a rotor-bearing system using the Hopf bifurcation theory. Results are compared to published literature obtained using a trial-and-error ... -
Electric-Hydraulic Actuator Design for a Hybrid Squeeze-Film Damper-Mounted Rigid Rotor System With Active Control
(The American Society of Mechanical Engineers (ASME), 2006)When a squeeze-film damper-mounted rigid rotor system is operated eccentrically, the nonlinear forces are no longer radially symmetric and a disordered dynamical behavior (i.e., quasi-periodic and ... -
Transient Vibration Analysis of Open Circular Cylindrical Shells
(The American Society of Mechanical Engineers (ASME), 2006)A numerical method based on the Rayleigh-Ritz method has been presented for the forced vibration of open cylindrical shells. The equations are derived from the three-dimensional strain-displacement ... -
Rotation Effects on Vibration of Structures Seen From a Rotating Beam Simply Supported off the Rotation Axis
(The American Society of Mechanical Engineers (ASME), 2006)In rotating beams, the Coriolis force acts through the mass and rotary inertias of the beam. A rotating beam simply supported off the axis of rotation is used as an example to study effects ... -
Dynamic Actuation and Quadratic Magnetoelastic Coupling of Thin Magnetostrictive Shells
(The American Society of Mechanical Engineers (ASME), 2006)Smart adaptive structures and structronic systems have been increasingly investigated and developed in the last two decades. Although smart structures made of piezoelectrics, shape-memory materials, ... -
Modeling and Testing of After-Treatment Devices
(The American Society of Mechanical Engineers (ASME), 2006)Driven by emission regulations in the US and the EU exhaust systems on new diesel engines are equipped with both a catalytic converter (CC) and a diesel particulate filter (DPF). The CC and ... -
A Linearized Theory on Ground-Based Vibration Response of Rotating Asymmetric Flexible Structures
(The American Society of Mechanical Engineers (ASME), 2006)This paper is to develop a unified algorithm to predict vibration of spinning asymmetric rotors with arbitrary geometry and complexity. Specifically, the algorithm is to predict vibration response ... -
An Extended Karhunen-Loève Decomposition for Modal Identification of Inhomogeneous Structures
(The American Society of Mechanical Engineers (ASME), 2006)An extension of the Karhunen-Loève decomposition (KLD) specifically aimed at the evaluation of the natural modes of n-dimensional structures (n=1,2,3) having nonhomogeneous density is presented. ... -
Pre-tensioned Layer Damping as a New Approach for Vibration Control of Elastic Beams
(The American Society of Mechanical Engineers (ASME), 2006)A new approach for suppression and control of mechanical vibration in elastic beams undergoing cyclic motion is presented. The proposed model is based on the idea of generating axial uniform ... -
Behavior of a Self-Sustained Electromechanical Transducer and Routes to Chaos
(The American Society of Mechanical Engineers (ASME), 2006)This paper studies the dynamics of a self-sustained electromechanical transducer. The stability of fixed points in the linear response is examined. Their local bifurcations are investigated and ... -
Improved Concept and Model of Eddy Current Damper
(The American Society of Mechanical Engineers (ASME), 2006)When a conductive material experiences a time-varying magnetic field, eddy currents are generated in the conductor. These eddy currents circulate such that they generate a magnetic field of their ... -
Modal Analysis to Accommodate Slap in Linear Structures
(The American Society of Mechanical Engineers (ASME), 2006)The generalized momentum balance (GMB) methods, explored chiefly by Shabana and his co-workers, treat slap or collision in linear structures as sequences of impulses, thereby maintaining the ... -
Development of a New Passive-Active Magnetic Damper for Vibration Suppression
(The American Society of Mechanical Engineers (ASME), 2006)Magnetic fields can be used to apply damping to a vibrating structure. Dampers of this type function through the eddy currents that are generated in a conductive material experiencing a ... -
Modeling of a High Speed Rotor Test Rig With Active Magnetic Bearings
(The American Society of Mechanical Engineers (ASME), 2006)This paper reports on the modeling and experimental identification of a high speed rotor-magnetic bearing test rig. An accurate nominal model and an uncertainty representation are developed for ... -
On the Stability of Second Order Time Varying Linear Systems
(The American Society of Mechanical Engineers (ASME), 2006)This note considers the stability of linear time varying second order systems. It studies the case where the stiffness matrix is a function of time. It provides sufficient conditions for ...