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Pedestrian head protection during ca...

Gupta, Vishal.

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Pedestrian head protection during car to pedestrian accidents: In the event of primary impact with vehicle and secondary impact with ground.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Pedestrian head protection during car to pedestrian accidents: In the event of primary impact with vehicle and secondary impact with ground./
Author:	Gupta, Vishal.
Description:	180 p.
Notes:	Source: Dissertation Abstracts International, Volume: 75-08(E), Section: B.
Contained By:	Dissertation Abstracts International75-08B(E).
Subject:	Biophysics, Biomechanics. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3616676
ISBN:	9781303835766

Pedestrian head protection during car to pedestrian accidents: In the event of primary impact with vehicle and secondary impact with ground.
Gupta, Vishal.

Pedestrian head protection during car to pedestrian accidents: In the event of primary impact with vehicle and secondary impact with ground. - 180 p.

Source: Dissertation Abstracts International, Volume: 75-08(E), Section: B.

Thesis (Ph.D.)--Wayne State University, 2014.

Current regulations for assessing pedestrian safety use a simplified test setup that ignores many real-world factors. In particular, the level of protection is assessed using a free-motion headform impacting the vehicle's hood at a fixed angle. As such, this test setup does not capture the effect due to the vehicle front-end profile, nor does it comprehend injury due to a possible secondary impact of the pedestrian's head with ground. This thesis aims to numerically simulate vehicle to pedestrian crashes to develop knowledge that may suggest ways to improve safety above and beyond the regulatory tests. Inputs to the simulations include the vehicle front-end profile, impact speed, and pedestrian size. Outputs include the angle of primary head impact to the hood, the extent of head injury (HIC), and whether or not there is a secondary head impact with the ground.

ISBN: 9781303835766Subjects--Topical Terms:

1035342
Biophysics, Biomechanics.

Pedestrian head protection during car to pedestrian accidents: In the event of primary impact with vehicle and secondary impact with ground.
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020 $a 9781303835766
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100 1 $a Gupta, Vishal. $3 2106480
245 1 0 $a Pedestrian head protection during car to pedestrian accidents: In the event of primary impact with vehicle and secondary impact with ground.
300 $a 180 p.
500 $a Source: Dissertation Abstracts International, Volume: 75-08(E), Section: B.
500 $a Advisers: King Hay Yang; Trilochan Singh.
502 $a Thesis (Ph.D.)--Wayne State University, 2014.
520 $a Current regulations for assessing pedestrian safety use a simplified test setup that ignores many real-world factors. In particular, the level of protection is assessed using a free-motion headform impacting the vehicle's hood at a fixed angle. As such, this test setup does not capture the effect due to the vehicle front-end profile, nor does it comprehend injury due to a possible secondary impact of the pedestrian's head with ground. This thesis aims to numerically simulate vehicle to pedestrian crashes to develop knowledge that may suggest ways to improve safety above and beyond the regulatory tests. Inputs to the simulations include the vehicle front-end profile, impact speed, and pedestrian size. Outputs include the angle of primary head impact to the hood, the extent of head injury (HIC), and whether or not there is a secondary head impact with the ground.
520 $a One key finding is that head impact angles, and hence head injury measures, vary greatly due to changes in vehicle front-end profile. This suggests that the current test setup for assessing pedestrian head impact, which assumes a fixed head-impact angle, could be improved to better capture the kinematics of real-world pedestrian crash events. One improvement could be the use of a full scale pedestrian dummy or human body model rather than a free motion headform. A second finding is that severity of head injury is much greater in a secondary head impact with ground than in the primary impact with the hood. Moreover, it is possible to avoid the secondary head impact with ground by careful designing of vehicle front-end profile. More research needs to be carried out to prove that concepts developed through numerical simulations also works in physical tests.
590 $a School code: 0254.
650 4 $a Biophysics, Biomechanics. $3 1035342
650 4 $a Engineering, Mechanical. $3 783786
650 4 $a Engineering, Automotive. $3 1018477
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690 $a 0540
710 2 $a Wayne State University. $b Mechanical Engineering. $3 1057463
773 0 $t Dissertation Abstracts International $g 75-08B(E).
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791 $a Ph.D.
792 $a 2014
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3616676