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Crush FE Analysis of Front Side Assembly of Passenger Cars for Identifying the Roles of Major Parts Influencing on Collapse Mode with Reverse Engineering  

Kim, Yong-Woo (Department of Mechanical Engineering, Sunchon National University)
Kim, Jeong-Ho (Department of Mechanical Engineering, Sunchon National University)
Jeong, Kyung-Shin (Department of Mechanical Engineering, Graduate School, Sunchon National University)
Publication Information
Transactions of the Korean Society of Automotive Engineers / v.15, no.4, 2007 , pp. 33-40 More about this Journal
Abstract
Crashworthiness design is of special interest in automotive industry and in the transportation safety field to ensure the vehicle structural integrity and more importantly the occupant safety in the event of the crash. Front side assembly is one of the most important energy absorbing components in relating to the crashworthiness design of vehicle. The structure and shape of the front side assemblies are different depending on auto-makers and size of vehicles. Thus, it is not easy to grab an insight on designer's intention when you glance at a new front side member without experiences. In this paper, we have performed the explicit nonlinear dynamic finite element analysis on the front side assembly of passenger cars to identify the mechanical roles of major parts in relation to collapse modes from the viewpoint of reverse engineering. To do this, we have performed crash FE analysis for the two different assemblies of small car and heavy passenger car and have compared dynamic behaviors of the two.
Keywords
Crash; Front side assembly; Finite element analysis; Reverse engineering; Collapse mode; Small passenger Car; Heavy passenger car;
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