DEFORMATION CHARACTERISTICS OF AUTOMOBILE IN A FRONTAL IMPACT INTO RIGID BARRIER

Abstract

Current simulation programmes for analyzing car accidents uses impact velocity, mass, user-defined overlay and a coefficient of restitution for defining the value of EES (Energy Equivalent Speed). However, the impact velocity must be entered manually through the expert´s own calculation of EES parameter depending on the level of car damage. To do this, experts can choose from several available methods. Latest programmes allow us to calculate the EES parameter from the user-given deformation of the certain part of a vehicle. The main aim of this paper is to show the significance of deformation characteristics in the impact into rigid barrier as well as the significance of deviation determined by EES calculation between the real and linear deformation characteristics.

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