This content is not included in
your SAE MOBILUS subscription, or you are not logged in.
Vibration Power Transmission Through Multi-Dimensional Isolation Paths Over High Frequencies
Technical Paper
2001-01-1452
ISSN: 0148-7191, e-ISSN: 2688-3627
Annotation ability available
Sector:
Language:
English
Abstract
In many vibration isolation problems, translational motion has been regarded as a major contributor to the energy transmitted from a source to a receiver. However, the rotational components of isolation paths must be incorporated as the frequency range of interest increases. This article focuses on the flexural motion of an elastomeric isolator but the longitudinal motion is also considered. In this study, the isolator is modeled using the Timoshenko beam theory (flexural motion) and the wave equation (longitudinal motion), and linear, time-invariant system assumption is made throughout this study. Two different frequency response characteristics of an elastomeric isolator are predicted by the Timoshenko beam theory and are compared with its subsets. A rigid body is employed for the source and the receiver is modeled using two alternate formulations: an infinite beam and then a finite beam. Power transmission efficiency concept is employed to quantify the isolation achieved. Further, vibration power components are also examined. The roles of isolator parameters such as the static stiffness ratios, shape factors and material properties are investigated.
Topic
Citation
Kim, S. and Singh, R., "Vibration Power Transmission Through Multi-Dimensional Isolation Paths Over High Frequencies," SAE Technical Paper 2001-01-1452, 2001, https://doi.org/10.4271/2001-01-1452.Also In
References
- JEONG T. SINGH R. 2000 Journal of Sound and Vibration Inclusion of Measured Frequency- and Amplitude-Dependent Mount Properties in Vehicle or Machinery Models
- GOYDER H. G. D. WHITE R. G. 1980 Journal of Sound and Vibration 68 1 97 117 Vibrational Power Flow from Machines into Built-Up Structures, Part III: Power Flow Through Isolation Systems
- SOLIMAN J. I. HALLAM M. G. 1968 Journal of Sound and Vibration 8 2 329 351 Vibration Isolation between Non-Rigid Machines and Non-Rigid Foundations
- SNOWDON J. C. 1968 Vibration and Shock in Damped Mechanical Systems New York John Wiley & Sons, Inc.
- SANDERSON M. A. 1996 Journal of Sound and Vibration 198 2 171 191 Vibration Isolation: Moments and Rotations Included
- LI W. L. LAVRICH P. 1999 Journal of Sound and Vibration 224 4 757 774 Prediction of Power Flows Through Machine Vibration Isolators
- PAN J. PAN J. HANSEN C. H. 1992 Journal of the Acoustical Society of America 92 2 895 907 Total Power Flow from a Vibrating Rigid Body to a Thin Panel Through Multiple Elastic Mounts
- UNGAR E. DIETRICH C. W. 1966 Journal of Sound and Vibration 4 2 224 241 High-Frequency Vibration Isolation
- BERANEK M. A. 1988 Noise and Vibration Control Washington, DC Institute of Noise Control Engineering
- GARDONIO P. ELLIOTT S. J. PINNINGTON R. J. 1997 Journal of Sound and Vibration 207 1 61 93 Active Isolation of Structural Vibration on a Multiple-Degree-of-Freedom System, Part I: The Dynamics of the System
- GARDONIO P. ELLIOTT S. J. 2000 Journal of Sound and Vibration 237 3 483 511 Passive and Active Isolation of Structural Vibration Transmission between Two Plates Connected by a Set of Mounts
- KIM S. SINGH R. 2000 Journal of Sound and Vibration Multi-Dimensional Characterization of Vibration Isolators over a Wide Range of Frequencies
- NIELSEN L. F. WISMER N. J. GADE S. 2000 Sound and Vibration February 20-24 An Improved Method for Estimating the Dynamic Properties of Materials
- CREMER L. HECKLE M. 1973 Structure-Borne Sound: Structural Vibrations and Sound Radiation at Audio Frequencies New York Springer-Verlag
- DEJONG R. G. ERMER G. E. PAYDENKAR C. S. REMTEMA T. M. 1998 Noise-Con 98 High Frequency Dynamic Properties of Rubber Isolation Elements
- SNOWDON J. C. 1968 Vibration and Shock in Damped Mechanical Systems New York John Wiley & Sons, Inc.
- TRAILL-NASH R. W. COLLAR A. R. 1953 Quarterly Journal of Mechanics and Applied Mathematics 6 186 222 The effect of shear flexibility and rotary inertia on the bending vibrations of beams
- DOYLE J. F. 1997 Wave Propagation in Structures: Spectral Analysis Using Fast Discrete Fourier Transforms New York Springer-Verlag
- GOPALAKRISHNAN S. MARTIN M. DOYLE J. F. 1992 Journal of Sound and Vibration 158 1 11 24 A Matrix Methodology for Spectral Analysis of Wave Propagation in Multiple Connected Timoshenko Beams
- KIM S. SINGH R. 2001 submitted to the Journal of Sound and Vibration Vibration Transmission Through an Isolator Modeled by Continuous System Theory