scholarly journals Determination of Selected Crash Parameters in Head-on Vehicle Collision with Rollover

2016 ◽  
Vol 28 (1) ◽  
pp. 71-79
Author(s):  
Tomáš Coufal ◽  
Marek Semela

The paper presents complete results of the head-on small overlap crash test of vehicle with driver moving at a speed of approximately 12 m/s against stationary vehicle with post-crash rollover. When a crash does not involve the main crush-zone structures, the occupant compartment is not well protected. The emphasis in the paper was put on determination and presentation of crash parameters for the application in traffic accident analyses and for simulation with the help of software for accident reconstruction. The experimentally measured data from the crash test were analysed and important crash parameters which are necessary for accident reconstruction were obtained. The crash test was specific because of rollover of the impacting vehicle resulting from small overlap. The results have shown that small overlap accident is extremely dangerous for the crew with the possibility of vehicle rollover and occupant head and neck injury. Also in this case, at relative low speed, the driver suffered light neck and head injury in the following days and the longitudinal damage was relatively large. The input parameters for accident reconstruction software as the result of performed crash test were gained.

2012 ◽  
Vol 152-154 ◽  
pp. 1177-1182
Author(s):  
Yuan Quan ◽  
Xiao Qi Chen ◽  
Yi Bing Li

According to the experience of traffic accident investigation over the years, the pointer of some crashed vehicles’ speedometer will stay in one place because of collision spread or heavily vibration, which may indicate the vehicle collision speed. However, the correlation between the residual speed value and actual vehicle collision speed still remains to be examined. For the practical needs of traffic accident reconstruction, this research work is carried out. Based on the principles of traditional speedometers, vehicle impact mechanics and failure mechanism, the damage and failure mode of speedometer in collision are studied. Through the statistics of 15 real traffic accident cases, the features and law about the pointer information of damaged speedometers are obtained initially. As an example, one of these cases is analyzed and calculated to verify the assumption. The availability of the mark information on the indicated place of speedometer after accidents (i.e. the correlation between the speed value of pointers and actual vehicle collision speed) is discussed, which can provide effective means and references for accident reconstruction and vehicle speed identification.


2013 ◽  
Vol 21 (6) ◽  
pp. 58-63
Author(s):  
Guanhee Kim ◽  
Jonghun Lim ◽  
Insong Park ◽  
Youngbum Chun ◽  
Chongdu Cho

2014 ◽  
Vol 707 ◽  
pp. 412-416
Author(s):  
Ming Ni

The analysis of road vehicle collision accidents reconstruction is a hot automotive passive safety subject. When reconstruct the vehicle collision accidents , start from the final position of the vehicle, and build the back projections by using the kinematic and dynamic models, according to the relevant theory, experimental data. namely: the after collision stage - Collision stage - pre-crash phase to reproduce the actual situation of the entire accident process in time and space. Thus the technical state of vehicle accidents before the collision can be known, and the causes of the accidents can be further analyzed. In this paper, some aspects related to rigid body kinematics and rigid body dynamics will be studied.


2009 ◽  
Vol 11 ◽  
pp. S568-S569 ◽  
Author(s):  
Mihoko Ago ◽  
Kazutoshi Ago ◽  
Mamoru Ogata

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