Journal of Vibration and Acoustics: Recent submissions

Now showing items 2081-2100 of 3913

    • Feature Variation and its Impact on Structural Acoustic Response Predictions 

      Kenneth A. Cunefare (The American Society of Mechanical Engineers (ASME), 2003)
      This paper presents a screening technique to assess the impact on model fidelity introduced by variations in the properties or positions of features in harmonically forced fluid-loaded structural ...

    • Structural Vibration Suppression Using the Piezoelectric Sensors and Actuators 

      Y. Y. Lee; J. Yao (The American Society of Mechanical Engineers (ASME), 2003)
      An experimental study for the active vibration control of structures subject to external excitations using piezoelectric sensors and actuators is presented. A simply supported plate and a curved ...

    • Interaction Between the Torsional Vibration of a Circular Rod and an Adjacent Viscous Fluid 

      Jin O. Kim; Han Yong Chun (The American Society of Mechanical Engineers (ASME), 2003)
      This paper deals with the effect of an adjacent viscous fluid on the torsional vibration of a circular rod excited by a transducer at one end. The interaction between the torsional vibration ...

    • Vibration Delocalization of Nearly Periodic Structures Using Coupled Piezoelectric Networks 

      J. Tang; K. W. Wang; Diefenderfer Chaired Professor in Mechanical Engineering (The American Society of Mechanical Engineers (ASME), 2003)
      It is known that, when the mechanical coupling between the substructures is weak, small imperfections in a periodic structure can induce vibration localization. This phenomenon could lead to ...

    • A Nonlinear Well-Drillstring Interaction Model 

      Hayat Melakhessou; Alain Berlioz; Guy Ferraris (The American Society of Mechanical Engineers (ASME), 2003)
      This article is devoted to the study of the local contact between the drillstring and the well during drilling operations. The study focuses on the Bottom-Hole-Assembly (BHA), which is subjected ...

    • Twice-Running-Speed Response Due to Elliptical Bearing Clearances 

      Dara W. Childs; Leland T. Jordan Professor of Mechanical Engineering (The American Society of Mechanical Engineers (ASME), 2003)
      Yamamoto [1] examined a vertical Jeffcott rotor model with bearing clearances and showed that a small bearing “dead-band” clearance could have a dramatic influence on synchronous rotor response. ...

    • Analysis of Triaxial Vibration Data for Health Monitoring of Helicopter Gearboxes 

      Irem Y. Tumer; Edward M. Huff (The American Society of Mechanical Engineers (ASME), 2003)
      Research on the nature of the vibration data collected from helicopter transmissions during flight experiments has led to several crucial observations believed to be responsible for the high ...

    • Axial Wave Propagation in Infinitely Long Periodic Curved Panels 

      C. Pany; S. Parthan (The American Society of Mechanical Engineers (ASME), 2003)
      Propagation of waves along the axis of the cylindrically curved panels of infinite length, supported at regular intervals is considered in this paper to determine their natural frequencies in ...

    • Shape Control of Flexural Vibrations of Circular Plates by Shaped Piezoelectric Actuation 

      Manfred Nader; Researcher; Hubert Gattringer; Researcher; Michael Krommer; Hans Irschik (The American Society of Mechanical Engineers (ASME), 2003)
      Vibrations of smart elastic plates with integrated piezoelectric actuators are considered. Piezoelastic layers are used to generate a distributed actuation of the plate. A spatial shape function ...

    • Improvement of Nonlinear Single Resonant Mode Method 

      A. S. Nobari; M. Shahramyar (The American Society of Mechanical Engineers (ASME), 2003)
      Presently, the Nonlinear Single Resonant Mode (NLSRM) method is the most efficient method for extending standard linear modal analysis concept to nonlinear systems. In this method, it is assumed ...

    • A Moving-Load Model for Disc-Brake Stability Analysis 

      H. Ouyang; W. Li; J. E. Mottershead (The American Society of Mechanical Engineers (ASME), 2003)
      There are many elasto-mechanical systems that involve two components in moving contact where large-amplitude vibration and noise can be excited. This paper models the vibration and dynamic ...

    • In-Plane Vibrations of a Thin Rotating Disk 

      Moreshwar Deshpande; C. D. Mote; President and Glenn L. Martin Institute Professor of Engineering (The American Society of Mechanical Engineers (ASME), 2003)
      A model for the in-plane oscillations of a thin rotating disk has been derived using a nonlinear strain measure to calculate the disk energy. This accounts for the stiffening of the disk due ...

    • Steady-State Responses in Systems of Nearly-Identical Torsional Vibration Absorbers 

      A. S. Alsuwaiyan; Steven W. Shaw (The American Society of Mechanical Engineers (ASME), 2003)
      In this paper we consider the steady-state response of a rotor fitted with a system of nearly identical torsional vibration absorbers. The absorbers are of the centrifugal pendulum type, which ...

    • Noncontacting Excitation and Measurement of Light Structures 

      Yacine M. Amraoui; Nick A. J. Lieven (The American Society of Mechanical Engineers (ASME), 2003)
      This paper demonstrates a new method of conducting a noncontacting vibration measurement on light structures. Although laser vibrometry provides a routine method of acquiring response data, the ...

    • Analytical Treatment of In-Plane Parametrically Excited Undamped Vibrations of Simply Supported Parabolic Arches 

      Dimitris S. Sophianopoulos; Research Fellow; George T. Michaltsos (The American Society of Mechanical Engineers (ASME), 2003)
      The present work offers a simple and efficient analytical treatment of the in-plane undamped vibrations of simply supported parabolic arches under parametric excitation. After thoroughly dealing ...

    • Time-Frequency Analysis of Nonlinear Systems: The Skeleton Linear Model and the Skeleton Curves 

      Lili Wang; Jinghui Zhang; Chao Wang; Shiyue Hu (The American Society of Mechanical Engineers (ASME), 2003)
      The joint time-frequency analysis method is adopted to study the nonlinear behavior varying with the instantaneous response for a class of S.D.O.F nonlinear system. A time-frequency masking ...

    • Free Flexural Vibrations of Orthotropic Composite Base Plates or Panels With a Bonded Noncentral (or Eccentric) Stiffening Plate Strip 

      U. Yuceoglu; V. Özerciyes; Doctoral Candidate (The American Society of Mechanical Engineers (ASME), 2003)
      The problem of the free flexural (or bending) vibrations of a rectangular, composite base plate or panel stiffened by a bonded, noncentral stiffening plate strip is considered. The lower composite ...

    • Acoustic Modeling and Control of Conical Enclosures 

      Kevin M. Farinholt; Donald J. Leo (The American Society of Mechanical Engineers (ASME), 2003)
      Acoustic modeling and control of conical enclosures with an actuator boundary condition is presented. Acoustic impedances are coupled with electrical and mechanical actuator dynamics to generate ...

    • Identification of Nonlinear Systems Through Time-frequency Filtering Technique 

      Lili Wang; Jinghui Zhang; Chao Wang; Shiyue Hu (The American Society of Mechanical Engineers (ASME), 2003)
      In the previous paper, a class of nonlinear system is mapped to a so-called skeleton linear model (SLM) based on the joint time-frequency analysis method. Behavior of the nonlinear system may ...

    • Active Monitoring for On-Line Damage Detection in Composite Structures 

      Shenfang Yuan; Wang Lei; Lihua Shi (The American Society of Mechanical Engineers (ASME), 2003)
      This study focuses on an active monitoring method for damage detection applied to composite structures. Honeycomb sandwich and carbon fiber composite structures are studied. Two kinds of damage ...