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The reliability of finite element analysis results of the low impact test in predicting the energy absorption performance of thin-walled structures

Alipour, R. and Farokhi Nejad, Ali and Izman, S. (2015) The reliability of finite element analysis results of the low impact test in predicting the energy absorption performance of thin-walled structures. Journal of Mechanical Science and Technology, 29 (5). pp. 2035-2045. ISSN 1738-494X

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Official URL: http://dx.doi.org/10.1007/s12206-015-0424-3

Abstract

The application of dual phase steels (DPS) such as DP600 in the form of thin-walled structure in automotive components is being continuously increased as vehicle designers utilize modern steel grades and low weight structures to improve structural performance, make automotive light and reinforce crash performance. Preventing cost enhancement of broad investigations in this area can be gained by using computers in structural analysis in order to substitute lots of experiments with finite element analysis (FEA). Nevertheless, it necessitates to be certified that selected method including element type and solution methodology is capable of predicting real condition. In this paper, numerical and experimental studies are done to specify the effect of element type selection and solution methodology on the results of finite element analysis in order to investigate the energy absorption behavior of a DP600 thin-walled structure with three different geometries under a low impact loading. The outcomes indicated the combination of implicit method and solid elements is in better agreement with the experiments. In addition, using a combination of shell element types with implicit method reduces the time of simulation remarkably, although the error of results compared to the experiments increased to some extent.

Item Type:Article
Uncontrolled Keywords:energy absorption, explicit method
Subjects:T Technology > TJ Mechanical engineering and machinery
Divisions:Mechanical Engineering
ID Code:58986
Deposited By: Haliza Zainal
Deposited On:04 Dec 2016 04:07
Last Modified:02 Aug 2021 04:03

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