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Article

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

by
Francisco J. M. Q. De Melo
1,
António B. Pereira
1,* and
Alfredo B. Morais
2
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.
Appl. Sci. 2018, 8(7), 1049; https://doi.org/10.3390/app8071049
Submission 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.
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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MDPI and ACS Style

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. https://doi.org/10.3390/app8071049

AMA Style

De Melo FJMQ, Pereira AB, Morais AB. The Simulation of an Automotive Air Spring Suspension Using a Pseudo-Dynamic Procedure. Applied Sciences. 2018; 8(7):1049. https://doi.org/10.3390/app8071049

Chicago/Turabian Style

De Melo, Francisco J. M. Q., António B. Pereira, and Alfredo B. Morais. 2018. "The Simulation of an Automotive Air Spring Suspension Using a Pseudo-Dynamic Procedure" Applied Sciences 8, no. 7: 1049. https://doi.org/10.3390/app8071049

APA Style

De Melo, F. J. M. Q., Pereira, A. B., & Morais, A. B. (2018). The Simulation of an Automotive Air Spring Suspension Using a Pseudo-Dynamic Procedure. Applied Sciences, 8(7), 1049. https://doi.org/10.3390/app8071049

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