Parametric analysis of an anti-whiplash system composed of a seat suspension arrangement

Özdemir, Mustafa; İder, S. Kemal; Gökler, Mustafa İlhan

doi:10.1007/s40430-014-0192-5

Cited by 2 publications

(1 citation statement)

References 40 publications

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“…[19,21] to perform a parametric analysis of an anti-whiplash seat suspension arrangement (The details of the seat model, including the validation, can be found in Refs. [19][20][21]). The well-known NIC formula is recalled below [14,15]:…”

Section: Discussionmentioning

confidence: 99%

Experimental and numerical investigation of comparability of whiplash sled test results

Özdemir

İder

Gökler

2015

J Braz. Soc. Mech. Sci. Eng.

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increase up to 10 mm. Based on the previous simulation results obtained by using the finite element model of the BioRID II dummy, linear regression models are constructed, and it is shown that a 10-mm increase in the backset will yield an increase of 2.25, 2.89 and 3.11 m 2 /s 2 in the NIC max values for the low, medium and high severity Euro NCAP pulses, respectively. Being 38, 22 and 31 % of the differences between the associated Euro NCAP higher and lower performance limits, and 68, 96 and 124 % of the differences between the associated Euro NCAP lower performance and capping limits, such increases in the NIC max values are found to bring an unacceptably high uncertainty in the test results, and they can even easily lead to the application of capping, which means giving a zero score for the entire test. In light of these findings, several suggestions are recommended for a more solid whiplash dynamic assessment procedure.

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Section: Discussionmentioning

confidence: 99%

Experimental and numerical investigation of comparability of whiplash sled test results

Özdemir

İder

Gökler

2015

J Braz. Soc. Mech. Sci. Eng.

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Crashworthiness optimisation of A-pillar in passenger car in rear-end collision with truck

Yang

Cao

Liu

et al. 2016

International Journal of Crashworthiness

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Rear-end collisions between cars and trucks are of great concern to society because of their high casualty rate. Improving the safety of passengers during these collisions is a significant issue. This paper aims to optimise the crashworthiness of the A-pillar area of a car according to the collision form based on the finite-element model of the carÀtruck rear-end collision. Through the optimisation process, the value and speed of the intrusion into the A-pillar were selected as the evaluation assessment indicators, and the optimisation design was conducted from two viewpoints: the material selection and stiffness match. As a result of the optimisation, the maximum intrusion of the A-pillar of the car was reduced by 33.19%, and the intrusion speed was reduced by 46.98% without increasing the body mass of the car. These results indicate that the crashworthiness of the car was improved effectively; thus, the occupant casualty risk was reduced. They suggest a feasible path for the crashworthiness improvements of automobiles for rear-end collisions.

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Parametric analysis of an anti-whiplash system composed of a seat suspension arrangement

Cited by 2 publications

References 40 publications

Experimental and numerical investigation of comparability of whiplash sled test results

Experimental and numerical investigation of comparability of whiplash sled test results

Crashworthiness optimisation of A-pillar in passenger car in rear-end collision with truck

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