A DoE Method in Predicting Injuries to Out-of-Position Occupants from Torso-Only Side-Impact Airbags

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Yi Yang Tay
Yi Yang Tay
σ
Rasoul Moradi
Rasoul Moradi
ρ
Hamid M. Lankarani
Hamid M. Lankarani
α Wichita State University Wichita State University

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A DoE Method in Predicting Injuries to Out-of-Position Occupants from Torso-Only Side-Impact Airbags

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Abstract

Airbag systems such as frontal and side-impact airbags are developed to reduce occupant injuries during vehicle collisions. Yet, such systems have caused serious injuries to outof-position occupants especially to smaller females and children. The primary objective of this study is to examine the different influential factors such as mass flow rate, fabric permeability ratio, fabric maximum inflated depth that contribute to OOP occupant injuries in airbag-related accidents. A mathematical model of Heidelberg stationary test, vehicle interior and seat mounted side-airbag is developed using the MADYMO code 7.4.2. The mathematical model of the airbag used in this study is a torso-only seat-mounted side-impact airbag (SAB). The airbag model is validated against similar study conducted by Hallman et al. and the results are found to be in good agreement. Once the airbag model is validated, the airbag and the anthropomorphic test dummy are positioned in a vehicle environment to better predict the occupant injuries in a static environment.

References

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Yi Yang Tay. 1970. \u201cA DoE Method in Predicting Injuries to Out-of-Position Occupants from Torso-Only Side-Impact Airbags\u201d. Global Journal of Research in Engineering - B: Automotive Engineering GJRE-B Volume 13 (GJRE Volume 13 Issue B2): .

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Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

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Airbag systems such as frontal and side-impact airbags are developed to reduce occupant injuries during vehicle collisions. Yet, such systems have caused serious injuries to outof-position occupants especially to smaller females and children. The primary objective of this study is to examine the different influential factors such as mass flow rate, fabric permeability ratio, fabric maximum inflated depth that contribute to OOP occupant injuries in airbag-related accidents. A mathematical model of Heidelberg stationary test, vehicle interior and seat mounted side-airbag is developed using the MADYMO code 7.4.2. The mathematical model of the airbag used in this study is a torso-only seat-mounted side-impact airbag (SAB). The airbag model is validated against similar study conducted by Hallman et al. and the results are found to be in good agreement. Once the airbag model is validated, the airbag and the anthropomorphic test dummy are positioned in a vehicle environment to better predict the occupant injuries in a static environment.

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A DoE Method in Predicting Injuries to Out-of-Position Occupants from Torso-Only Side-Impact Airbags

Yi Yang Tay
Yi Yang Tay Wichita State University
Rasoul Moradi
Rasoul Moradi
Hamid M. Lankarani
Hamid M. Lankarani

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