Journal of Vibration and Acoustics: Recent submissions
Now showing items 2741-2760 of 3913
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An Impedance-Based System Modeling Approach for Induced Strain Actuator-Driven Structures
(The American Society of Mechanical Engineers (ASME), 1996)This paper presents the theoretical development and experimental verification of a system model of piezoelectric (PZT) patch actuators for induced strain actuation of two-dimensional active structures. ... -
Acoustical Resonance of Tube-in-Shell Units
(The American Society of Mechanical Engineers (ASME), 1996)Severe noise emission due to acoustical resonance can occur in conduits or chambers containing large tube arrays subjected to fluid cross flow, as is the case in many heat exchangers and steam ... -
A Method for Calculating the Dynamics of Rotating Flexible Structures, Part 2: Example Calculations
(The American Society of Mechanical Engineers (ASME), 1996)The problem of calculating the vibrations of rotating structures has challenged analysts since the observation that use of traditional modal coordinates in such problems leads to the prediction ... -
On Nonlinear Normal Modes of Systems With Internal Resonance
(The American Society of Mechanical Engineers (ASME), 1996)A complex-variable invariant-manifold approach is used to construct the normal modes of weakly nonlinear discrete systems with cubic geometric nonlinearities and either a one-to-one or a three-to-one ... -
The Timoshenko Beam on an Elastic Foundation and Subject to a Moving Step Load, Part 2: Transient Response
(The American Society of Mechanical Engineers (ASME), 1996)The transient response of a simply supported semi-infinite Timoshenko beam on an elastic foundation to a moving step load is determined. The response is found from summing the solutions to two ... -
The Timoshenko Beam on an Elastic Foundation and Subject to a Moving Step Load, Part 1: Steady-State Response
(The American Society of Mechanical Engineers (ASME), 1996)The response of a simply supported semi-infinite Timoshenko beam on an elastic foundation to a moving step load is determined. The response is found from summing the solutions to two mutually ... -
A Method for Calculating the Dynamics of Rotating Flexible Structures, Part 1: Derivation
(The American Society of Mechanical Engineers (ASME), 1996)The problem of calculating the vibrations of rotating structures has challenged analysts since it was observed that the use of traditional modal approaches may incorrectly lead to the prediction ... -
The Dynamic Stiffness Method for Linear Rotor-Bearing Systems
(The American Society of Mechanical Engineers (ASME), 1996)The behavior of linear rotor-bearing systems is investigated by using the exact approach of the dynamic stiffness method, which entails the use of continuous rather than lumped models. In ... -
A Residual Flexibility Approach for Decoupled Analysis of Systems of Combined Components
(The American Society of Mechanical Engineers (ASME), 1996)A residual flexibility approach for the analysis of systems involving multiple components subjected to dynamic loading is presented. The reactive forces at the junctions of the components are ... -
Dynamic Analysis of the Flexible Connecting Rod of a Slider-Crank Mechanism
(The American Society of Mechanical Engineers (ASME), 1996) -
Distributed Piezoelectric Actuators for Shell Interior Noise Control
(The American Society of Mechanical Engineers (ASME), 1996)Structural controls have been recently used to reduce acoustic radiation from vibrating structures. It is well known that in some cases, a control system can reduce the noise and, at the same ... -
Dynamic Behavior of a Drill-String: Experimental Investigation of Lateral Instabilities
(The American Society of Mechanical Engineers (ASME), 1996)This paper focuses on laboratory tests concerned with the lateral behavior of a rod representative of part of a drill-string in the area of rotary oil drilling. The original experimental set-up ... -
Active Vibration Control of the Axially Moving String Using Space Feedforward and Feedback Controllers
(The American Society of Mechanical Engineers (ASME), 1996)Active vibration control of an axially moving string using space feedforward and feedback controllers is presented. Closed-form results for the transverse response of both the uncontrolled and ... -
Practical Limitations in Achieving Shaped Modal Sensors With Induced Strain Materials
(The American Society of Mechanical Engineers (ASME), 1996)The purpose of this work is to explore practical limitations associated with the design of distributed modal sensors from induced strain materials for two-dimensional structures and illuminate ... -
Distributed Parameter Modal Filtering Using Smart Sensors
(The American Society of Mechanical Engineers (ASME), 1996)This paper considers the design of distributed parameter modal sensors called “smart sensors,” with a particular emphasis on filtering the combination of appropriately weighted vibration modes ... -
On-Line Identification of Modal Parameters Using Artificial Neural Networks
(The American Society of Mechanical Engineers (ASME), 1996)Using a neural network concept, an algorithm has been developed that can be employed to conduct on-line identification of modal parameters of a structure such as natural frequency, damping ... -
Determination of Far-Field Pattern of Rigid Scatterers Using Independent Finite Element Method and Eigenfunction Expansion, Part 2: Nonaxisymmetric Scattering
(The American Society of Mechanical Engineers (ASME), 1996)The near- and far-field steady state scattered potentials around a rigid arbitrary obstacle subjected to plane incident wave are computed by FE and eigenfunction expansion approach. The near-field ... -
Finite Difference Time Marching in the Frequency Domain: A Parabolic Formulation for the Convective Wave Equation
(The American Society of Mechanical Engineers (ASME), 1996)An explicit finite difference iteration scheme is developed to study harmonic sound propagation in ducts. To reduce storage requirements for large 3D problems, the time dependent potential form ... -
Mathematical Analysis of Stability of a Spinning Disk Under Rotating, Arbitrarily Large Damping Forces
(The American Society of Mechanical Engineers (ASME), 1996)Stability of a rotating disk under rotating, arbitrarily large damping forces is investigated analytically. Points possibly residing on the stability boundary are located exactly in parameter space ... -
Dynamic Analysis of Folded Plate Structures
(The American Society of Mechanical Engineers (ASME), 1996)A spectral element method for analyzing wave propagation in multiply connected plates oriented at arbitrary angles is presented. These plate elements may be joined to model structures with ...