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    Rights statement: This is the author’s version of a work that was accepted for publication in Journal of Sound and Vibration. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Sound and Vibration, 513, 2021 DOI: 10.1016/j.jsv.2021.116414

    Accepted author manuscript, 2.19 MB, PDF document

    Embargo ends: 21/08/22

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Advanced static and dynamic analysis method for helical springs of non-linear geometries

Research output: Contribution to journalJournal articlepeer-review

E-pub ahead of print
Article number116414
<mark>Journal publication date</mark>24/11/2021
<mark>Journal</mark>Journal of Sound and Vibration
Volume513
Number of pages18
Publication StatusE-pub ahead of print
Early online date21/08/21
<mark>Original language</mark>English

Abstract

Current design and analysis methods of helical springs are significantly confined to a simple and linear domain. The traditional spring formula is only effective for analyzing helical springs with linear geometric properties like constant coil diameter, unchanged spring pitch and no coil contact. An advanced analytical spring model is proposed in this study to address the non-linear effects of variable coil diameter, spring pitch and coil contact that exist in helical springs of arbitrary shapes. It aims to expand the available spring design and analysis domain to a wider non-linear space. In addition, it is coupled with the modal spring model to explain and predict the dynamic vibrational response of non-linear beehive springs. It is found that the proposed model has an excellent accuracy in estimating mechanical properties of non-linear springs in both static and dynamic conditions by comparing with experimental and FE results. This model may lead to an innovative method for developing innovative tools of spring design and performance analysis that could be beneficial to a wide range of engineering applications.

Bibliographic note

This is the author’s version of a work that was accepted for publication in Journal of Sound and Vibration. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Sound and Vibration, 513, 2021 DOI: 10.1016/j.jsv.2021.116414