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Fatigue Calculation of a Car Component Subjected to Random Vibrations

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Abstract:

In this article, a random vibration simulation approach applied to a car component is presented. The main vibration sources which appear in the automotive body are mentioned as input for random analysis. By using finite element analysis, one can estimate the response of the structure in terms of the probability of the maximum displacement and stress. The normal distribution function was used in the analysis for the statistical interpretation of the results. By using the random vibration simulation method, the response of a structure excited by random vibrations can be estimated, with a good precision for various applications. The resulted stress it is used to perform fatigue evaluation by using Palmgren Miner method.

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Periodical:

Key Engineering Materials (Volume 601)

Pages:

104-107

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.601.104

Citation:

Cite this paper

Online since:

March 2014

Authors:

Curtean Razvan*, Iulian Lupea

Keywords:

Automotive, Fatigue Estimation, Frequency Response, Power Spectral Density, Power Spectrum, Random Vibration

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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