Correlation of Numerical and Experimental Analysis for Dynamic Behaviour of a body-in-white (BIW) Structure

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N. A. Z., Abdullah and M. S. M., Sani and M. M., Rahman and Izzuddin, Zaman (2017) Correlation of Numerical and Experimental Analysis for Dynamic Behaviour of a body-in-white (BIW) Structure. Journal Matec Web of Conference, 90 (01020). pp. 1-10. ISSN 2261-236X

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Official URL: http://dx.doi.org/10.1051/matecconf/20179001020

Abstract

In order to determine the reliability of data gathered using computational version of finite element analysis, data obtained through experimental work are always utilized. In field of dynamic analysis, experimental data is often viewed for having better accuracy giving the availability of reliable data acquisition and measuring equipment. On the other hand, in case of finite element deviation, it can sometimes be considered as inaccurate especially subject to complex structure such as body-in-white. This is due to difficulties that might occur in modelling of joints, boundary conditions and damping of the structure. In this study, a process of comparison and validation of model based test design with modal testing results was conducted. Modal properties (natural frequencies, mode shapes, and damping ratio) of a body-in-white structure were determined using both experimental modal analysis (EMA) and finite element analysis (FEA). Correlation of both sets of data was performed for validation. The discrepancies that appear after correlation was then reduced by performing model updating procedure. The results presented here may demonstrate the effectiveness of model updating technique on improving the complex structure such as body-in-white structure.

Item Type:Article
Additional Information:Indexed in Scopus
Uncontrolled Keywords:body-in-white (BIW); Correlation
Subjects:T Technology > TJ Mechanical engineering and machinery
Divisions:Automotive Engineering Centre
Faculty of Mechanical Engineering
ID Code:16130
Deposited By: Dr. Mohd Shahrir Mohd Sani
Deposited On:09 Feb 2017 11:21
Last Modified:16 Aug 2017 10:34

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