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International Journal of Automotive Technology > Volume 6(1); 2005 > Article
International Journal of Automotive Technology 2005;6(1): 29-35.
VEHICLE DYNAMIC SIMULATION USING A NONLINEAR FINITE ELEMENT ANALYSIS CODE
Y. S. YU1, K. Z. CHO1, B. CHYUN2
1Chonnam National University
2Hyundai Motors
ABSTRACT
The structural integrity of either a passenger car or a light truck is one of the basic requirements for a full vehicle engineering and development program. The results of the vehicle product performance are measured in terms of ride and handling, durability, Noise/Vibration/Harshness (NVH), crashworthiness, and occupant safety. The level of performance of a vehicle directly affects the marketability, profitability and, most importantly, the future of the automobile manufacturer. In this study, the Virtual Proving Ground (VPG) approach has been developed to simulate dynamic nonlinear events as applied to automotive ride & handling. The finite element analysis technique provides a unique method to create and analyze vehicle system models, capable of including vehicle suspensions, powertrains, and body structures in a single simulation. Through the development of this methodology, event-based simulations of vehicle performance over a given three-dimensional road surface can be performed. To verify the predicted dynamic results, a single lane change test was performed. The predicted results were compared with the experimental test results, and the feasibility of the integrated CAE analysis methodology was verified.
Key Words: Ride and handling, Event-based simulation, Nonlinear finite element method, Driving conditions
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