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Dynamic analysis on off-road vehicle chassis using 3-d finite element model

Zaman, Izzuddin and Hasnan, Khalid and Rahman, Roslan Abdul (2007) Dynamic analysis on off-road vehicle chassis using 3-d finite element model. Journal of Science and Technology, 4 (1). pp. 1-16. ISSN 1823-2698

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Reducing the weight and production cost of chassis is considered to be one of the most important area of research in automotive manufacturing industry. However with lighter vehicle, the chassis is easily subjected to large vibration mainly coming from the engine and road irregularities. This paper looks into the application of dynamic analysis for verification of the complex FE model of truck chassis. The dynamic characteristic of truck chassis such as the natural frequency and mode shape is determined by finite element method. Experimental measurement by modal testing is then carried out to determine the accuracy of finite element analysis. Initial result indicated some discrepancies with regard to natural frequencies at various modes. However for mode shape analysis, both methods produced almost the same shape. As for getting a better agreement between both methods of analysis, modal updating had been carried out. The results show that the error was reduced to ± 2% through the model updating.

Item Type: Article
Uncontrolled Keywords: dynamic charateristic; finite element analysis; modal testing; modal analysis
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA349-359 Mechanics of engineering. Applied mechanics
T Technology > TJ Mechanical engineering and machinery > TJ170-179 Mechanics applied to machinery. Dynamics
Divisions: Faculty of Mechanical and Manufacturing Engineering > Department of Engineering Mechanics
Depositing User: Dr Izzuddin Zaman
Date Deposited: 09 Dec 2014 06:46
Last Modified: 09 Dec 2014 06:46
URI: http://eprints.uthm.edu.my/id/eprint/6239
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