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Measurement, modeling, and analysis of the dynamic properties of resilient elements used for vibration isolation

Measurement, modeling, and analysis of the dynamic properties of resilient elements used for vibration isolation
Measurement, modeling, and analysis of the dynamic properties of resilient elements used for vibration isolation

Resilient elements are widely applied for vibration and noise control in many areas of engineering. Their complex dynamic stiffness gives fundamental information to describe their dynamic performance and is required for predicting structure-borne sound and vibration using dynamic modeling. Many laboratory measurement methods have been developed to determine the dynamic properties of resilient elements. This paper presents a review of recent developments in the measurement methods from the perspective of force-displacement relations of the resilient element assembly rather than of their material properties. To provide context, the review begins with an introduction to modeling methods for resilient elements, especially for rubber and rubber-like isolators, and three standardized measurement methods are introduced. Recent developments are then discussed including methods to extend the frequency range, which are mainly developments of the indirect method. Mobility methods, modal-based methods, recent active frequency-based substructuring (FBS), and inverse substructuring (IS) methods to study the dynamic properties of resilient elements are also described. Laboratory test rigs and the corresponding identification methods are outlined. Methods to evaluate nonlinear dynamic properties of resilient elements by laboratory measurements are also discussed. Finally, the review is concluded by discussing the advantages and limitations of the existing methods and giving suggestions for future research.

dynamic stiffness, measurement methods, nonlinearity, resilient elements, vibration isolation
1048-9002
Sun, Xiaojuan
a9a9381c-7dc0-4168-bbcb-4e8c3d4e135d
Thompson, David
bca37fd3-d692-4779-b663-5916b01edae5
Sun, Xiaojuan
a9a9381c-7dc0-4168-bbcb-4e8c3d4e135d
Thompson, David
bca37fd3-d692-4779-b663-5916b01edae5

Sun, Xiaojuan and Thompson, David (2024) Measurement, modeling, and analysis of the dynamic properties of resilient elements used for vibration isolation. Journal of Vibration and Acoustics, 145 (6), [060801]. (doi:10.1115/1.4064541).

Record type: Article

Abstract

Resilient elements are widely applied for vibration and noise control in many areas of engineering. Their complex dynamic stiffness gives fundamental information to describe their dynamic performance and is required for predicting structure-borne sound and vibration using dynamic modeling. Many laboratory measurement methods have been developed to determine the dynamic properties of resilient elements. This paper presents a review of recent developments in the measurement methods from the perspective of force-displacement relations of the resilient element assembly rather than of their material properties. To provide context, the review begins with an introduction to modeling methods for resilient elements, especially for rubber and rubber-like isolators, and three standardized measurement methods are introduced. Recent developments are then discussed including methods to extend the frequency range, which are mainly developments of the indirect method. Mobility methods, modal-based methods, recent active frequency-based substructuring (FBS), and inverse substructuring (IS) methods to study the dynamic properties of resilient elements are also described. Laboratory test rigs and the corresponding identification methods are outlined. Methods to evaluate nonlinear dynamic properties of resilient elements by laboratory measurements are also discussed. Finally, the review is concluded by discussing the advantages and limitations of the existing methods and giving suggestions for future research.

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Measurement modeling and analysis of the dynamic properties of resilient elements used for vibra (1) - Accepted Manuscript
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Accepted/In Press date: 15 January 2024
Published date: 9 February 2024
Additional Information: Publisher Copyright: Copyright © 2024 by ASME.
Keywords: dynamic stiffness, measurement methods, nonlinearity, resilient elements, vibration isolation

Identifiers

Local EPrints ID: 487483
URI: http://eprints.soton.ac.uk/id/eprint/487483
ISSN: 1048-9002
PURE UUID: f2691c77-1df7-4845-a625-49080f0942e7
ORCID for David Thompson: ORCID iD orcid.org/0000-0002-7964-5906

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Date deposited: 21 Feb 2024 17:33
Last modified: 18 Jun 2024 01:34

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Contributors

Author: Xiaojuan Sun
Author: David Thompson ORCID iD

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