Journal
JOURNAL OF THE FRANKLIN INSTITUTE-ENGINEERING AND APPLIED MATHEMATICS
Volume 358, Issue 1, Pages 1070-1086Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jfranklin.2020.11.007
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Funding
- FAPESP - Fundacao de Amparo a Pesquisa do Estado de Sao Paulo [2016/17083-4, 2018/02150-3]
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The paper discusses the inerter as a new mechanical element for vibration isolation, highlighting its advantages in improving high-frequency performance compared to traditional isolation systems. It establishes a connection between old and new ideas, and thoroughly examines the application of the inerter in mechanical systems.
Recently, a lot of attention has been given to a mechanical device known as the inerter. It is a mechanical component that can be compared to a capacitor with two ungrounded terminals in the mechanical-electrical systems analogy. In this paper, it is shown that although the concept of an inerter as a separate mechanical element is relatively new, there are several well-established vibration isolation systems that exhibit similar behavior to a simple lumped parameter system containing an inerter. Through a review of the literature, a link is established between the old and new ideas. Furthermore, a comparison between the systems is carried out using the quantities of mechanical impedance and displacement transmissibility. The advantages and disadvantages of using the inerter in vibration isolation are discussed, and a simple way of improving the high-frequency performance without severely degrading the low-frequency performance is described. (C) 2020 The Franklin Institute. Published by Elsevier Ltd. All rights reserved.
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