Neck moment characterization of restrained child occupant at realistic nontest standard higher impact speed of 32.2 km/h

S. Shasthri; V. Kausalyah; Qasim H. Shah; Kassim A. Abdullah; Moumen M. Idres; S. V. Wong

doi:10.1155/2014/528125

Neck moment characterization of restrained child occupant at realistic nontest standard higher impact speed of 32.2 km/h

S. Shasthri^*, V. Kausalyah, Qasim H. Shah, Kassim A. Abdullah, Moumen M. Idres, S. V. Wong

^*Corresponding author for this work

School of Engineering & Physical Sciences

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Abstract

The effects of bullet vehicle crash impact angle, child restraint system design, and restraint harness slack at side impact speed of 32.2 km/h (20 mph) on moments sustained at the neck by a three-year-old child are investigated. Mathematical models are built using the response surface method based on simulation results whereby good fitness is achieved. The singular and cross interactive effect of each predictor on the neck moment are analyzed. The number of significant parameters affecting the neck moment is shown to be the largest for wide impact angles (φ ≥ 60 °) and the impact angle parameter is largely revealed to be the most sensitive. An ideal safe range for low neck moment has been established to be within φ angles 45° and 65°. It is further shown that the nature of all parameters effect on the neck moment is highly dependent on the impact angle range.

Original language	English
Article number	528125
Journal	International Journal of Vehicular Technology
Volume	2014
DOIs	https://doi.org/10.1155/2014/528125
Publication status	Published - 11 Sept 2014

ASJC Scopus subject areas

Automotive Engineering
Mechanical Engineering
Computer Science Applications

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title = "Neck moment characterization of restrained child occupant at realistic nontest standard higher impact speed of 32.2 km/h",

abstract = "The effects of bullet vehicle crash impact angle, child restraint system design, and restraint harness slack at side impact speed of 32.2 km/h (20 mph) on moments sustained at the neck by a three-year-old child are investigated. Mathematical models are built using the response surface method based on simulation results whereby good fitness is achieved. The singular and cross interactive effect of each predictor on the neck moment are analyzed. The number of significant parameters affecting the neck moment is shown to be the largest for wide impact angles (φ ≥ 60 °) and the impact angle parameter is largely revealed to be the most sensitive. An ideal safe range for low neck moment has been established to be within φ angles 45° and 65°. It is further shown that the nature of all parameters effect on the neck moment is highly dependent on the impact angle range.",

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AU - Shasthri, S.

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AU - Shah, Qasim H.

AU - Abdullah, Kassim A.

AU - Idres, Moumen M.

AU - Wong, S. V.

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N2 - The effects of bullet vehicle crash impact angle, child restraint system design, and restraint harness slack at side impact speed of 32.2 km/h (20 mph) on moments sustained at the neck by a three-year-old child are investigated. Mathematical models are built using the response surface method based on simulation results whereby good fitness is achieved. The singular and cross interactive effect of each predictor on the neck moment are analyzed. The number of significant parameters affecting the neck moment is shown to be the largest for wide impact angles (φ ≥ 60 °) and the impact angle parameter is largely revealed to be the most sensitive. An ideal safe range for low neck moment has been established to be within φ angles 45° and 65°. It is further shown that the nature of all parameters effect on the neck moment is highly dependent on the impact angle range.

AB - The effects of bullet vehicle crash impact angle, child restraint system design, and restraint harness slack at side impact speed of 32.2 km/h (20 mph) on moments sustained at the neck by a three-year-old child are investigated. Mathematical models are built using the response surface method based on simulation results whereby good fitness is achieved. The singular and cross interactive effect of each predictor on the neck moment are analyzed. The number of significant parameters affecting the neck moment is shown to be the largest for wide impact angles (φ ≥ 60 °) and the impact angle parameter is largely revealed to be the most sensitive. An ideal safe range for low neck moment has been established to be within φ angles 45° and 65°. It is further shown that the nature of all parameters effect on the neck moment is highly dependent on the impact angle range.

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Neck moment characterization of restrained child occupant at realistic nontest standard higher impact speed of 32.2 km/h

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