Influence of Housing Wall Compliance on Shock Absorbers in the Context of Vehicle Dynamics

Shock absorbers play a key role in vehicle dynamics. Researchers have spent significant effort in order to understand phenomena associated with this component, but there are still several issues to address, in part because new technology development and design trends continually lead to new challeng...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2017-10, Vol.252 (1), p.12026
Main Authors: Pulvirenti, G, Faria, C
Format: Article
Language:English
Subjects:
Compliance
New technology
Shock absorbers
Wall thickness
Weight reduction
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Summary:Shock absorbers play a key role in vehicle dynamics. Researchers have spent significant effort in order to understand phenomena associated with this component, but there are still several issues to address, in part because new technology development and design trends continually lead to new challenges, among which weight reduction is crucial. For shock absorbers, weight reduction is related to the use of new materials (e.g. composite) or new design paradigms (e.g. more complex geometry, wall thickness, etc.). All of them are directly linked to wall compliance values higher than the actual ones. The present article proposes a first analysis of the phenomena introduced by a high wall compliance, through a modelling approach and various simulations in order to understand the vehicle behaviour changes. It is shown that high values of wall compliance lead to increased hysteresis in the force-velocity curve. However, comfort, handling and ride performances are not significantly affected by this designing parameter.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/252/1/012026