Crashworthiness Evaluation of an Impact Energy Absorber in a Car Bumper for Frontal Crash Event - A FEA Approach
Pravin E. Fulpagar, Dr.S.P.Shekhawat
This paper addresses the design and development of a conceptual crash preparation feature, called an Impact energy absorber to reduced damage to an occupant during a high risk of frontal impact. The goal is to define an occupant protection system that in crash testing up to an impact velocity of 56km/h with an occupant would result in injury measures below the FMVSS 208 injury criteria levels. A crashworthy vehicle must meet the impact energy management criteria that require the passenger compartment structure to sustain crash loads without excessive deformation while absorbing and dissipating the kinetic energy of impact. An extendable and retractable impact energy absorber is assembled in a vehicle bumper which forms an extendable and retractable bumper that could provide the desired crush space only when a need appears. The additional crush space would allow the extended bumper structure to absorb additional crash energy to reduce the severity of crash. A detailed FE simulation is carried out on the extendable and retractable bumper & the results obtained are compared with the standards. At the end of this project we have to analyze the theoretical and technical potential to develop an efficient crash safety system for passenger vehicle occupants in a frontal crash at high impact velocity.
Article Details
Unique Paper ID: 143850

Publication Volume & Issue: Volume 3, Issue 2

Page(s): 104 - 113
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