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.
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Roozbeh Alipour received the B.S. and M.S. in Mechanical Engineering from Iran. He is currently is a Ph.D. candidate in Universiti Teknologi Malaysia and also lecturer in the Department of Mechanical Engineering of the Islamic Azad University, Mahshar Branch in Iran.
Ali Farokhi Nejad received the B.S. and M.S. in Mechanical Engineering from Iran and Universiti Teknologi Malaysia, respectively. He is currently is a Research Assistant in Universiti Teknologi Malaysia at Computational Solid Mechanics Laboratory.
Izman Sudin received the B.S. and M.S. and Ph.D in Mechanical and Industrial Engineering from Universiti Teknologi Malaysia and University of Warwick, UK. He is currently is a Associate Professor in the Faculty of Mechanical Engineering, Universiti Teknologi Malaysia.
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Alipour, R., Farokhi Nejad, A. & Izman, S. The reliability of finite element analysis results of the low impact test in predicting the energy absorption performance of thin-walled structures. J Mech Sci Technol 29, 2035–2045 (2015). https://doi.org/10.1007/s12206-015-0424-3
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DOI: https://doi.org/10.1007/s12206-015-0424-3