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Appl. Sci. 2018, 8(7), 1049; https://doi.org/10.3390/app8071049

The Simulation of an Automotive Air Spring Suspension Using a Pseudo-Dynamic Procedure

1
Centre for Mechanical Technology and Automation, Department of Mechanical Engineering, University of Aveiro, 3810-193 Aveiro, Portugal
2
Aveiro Research Centre of Risks and Sustainability in Construction, University of Aveiro, 3810-193 Aveiro, Portugal
*
Author to whom correspondence should be addressed.
Received: 25 April 2018 / Revised: 6 June 2018 / Accepted: 15 June 2018 / Published: 27 June 2018
(This article belongs to the Special Issue Soft Computing Techniques in Structural Engineering and Materials)
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Abstract

This paper describes a numerical solution to characterize the deformation of a bellows-type air spring for automotive suspensions. In a first step, the shell structure is modeled as a practically inextensible membrane that has virtually no bending stiffness; the structure has only a pneumatic-elastic deformation due to the compressibility of the pressurized air. In a second step, a finite element modeling of the device using a commercial code is carried out in order to validate the first model. Complementing this work, an experimental procedure based on a pseudo-dynamic technique was implemented to simulate the behavior of the pneumatic suspension bellows subjected to dynamic loads. The method consists of a combined numeric/experimental procedure simulating a suddenly applied load. View Full-Text
Keywords: pneumatic bellows; air spring; isothermal and adiabatic equations; pseudo-dynamic testing pneumatic bellows; air spring; isothermal and adiabatic equations; pseudo-dynamic testing
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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de Melo, F.J.M.Q.; Pereira, A.B.; Morais, A.B. The Simulation of an Automotive Air Spring Suspension Using a Pseudo-Dynamic Procedure. Appl. Sci. 2018, 8, 1049.

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