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Paper Details
Paper Title
MODELING AND DEVELOPMENT OF ACTIVE BUMPER SYSTEM TO REDUCE SHOCKS FOR A VEHICLE BY USING FEA
Authors
  D.Srinivasulu,  M.Haritha
Abstract
In this paper to investigation on modeling of a front bumper system with emphasis on lightweight and low cost, is a collaboration between Chalmers University of Technology and Volvo Cars. The goal of the project is to reduce the cost and weight of an front bumper system, also called Crash Management System (CMS) for the latest Volvo XC40 using Design to Profit approach. The current CMS is made out of aluminum in 6000, 7000 series and has a total weight of 9,114 kg. By defining the current CMS components, the project group divided the CMS into four different categories to be investigated; Front bumper beam, Crash box, Tow and Reinforcement. By glance, the beam was divided into two cells and the crash boxes.
The dimensions for the inner and the outer walls combined with the weight were changed. Several concepts were evaluated and the remaining ones, after filtering, were simulated in a CAE program, Thin lin. From the simulations the concepts were compared with current one through crash test simulations. The simulation comparison was based on forces ANSYS stop time created during a crash. After many simulation iterations a successful concept was found. The new developed crashbox weighs 8,3 kg which is a weight reduction of 8,93%, saves approximately 7 MSEK/year and has a shorter displacement during a crash. The new crash box achieved good results and further simulations with the whole CMS are of interest.
Keywords- : Front bumper beam, Crash box, Tow and Crash Management System
Publication Details
Unique Identification Number - IJEDR1902092Page Number(s) - 484-492Pubished in - Volume 7 | Issue 2 | June 2019DOI (Digital Object Identifier) -    Publisher - IJEDR (ISSN - 2321-9939)
Cite this Article
  D.Srinivasulu,  M.Haritha,   "MODELING AND DEVELOPMENT OF ACTIVE BUMPER SYSTEM TO REDUCE SHOCKS FOR A VEHICLE BY USING FEA", International Journal of Engineering Development and Research (IJEDR), ISSN:2321-9939, Volume.7, Issue 2, pp.484-492, June 2019, Available at :http://www.ijedr.org/papers/IJEDR1902092.pdf
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