A STUDY OF HEAD ACCELERATION DURING CRASH TEST SIMULATION USING LS_DYNA SOFTWARE | ||||
| International Conference on Aerospace Sciences and Aviation Technology | ||||
| Article 35, Volume 10, 10th International Conference On Aerospace Sciences & Aviation Technology, May 2003, Page 539-550 PDF (2.12 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/asat.2013.24465 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
| M. A. EI-Moneim1; E. Sh. Jabbour2; M. EL-Maddah3 | ||||
| 1PH.D Eng. of Mechanical Engineering, Ministry of Defense, Cairo, Egypt. | ||||
| 2MSc student, Mechanical Engineering, Syrian Armed forces. | ||||
| 3Prof. Dr of Mechanical Engineering, Ministry of Defense, Cairo, Egypt. | ||||
| Abstract | ||||
| A finite element model of a belted-dummy that uses seatbelts as shell elements is modified to include seatbelts defined in LS_DYNA code as seatbelt elements. This action will give the ability to deal with experimental data of seatbelt materials. A comparison between the two cases (shell elements and seatbelt elements) is included to shed light on differences. Head Injury Criterion (HIC) is used to evaluate the head damage coming from resultant acceleration. The output acceleration data of LS_DYNA is manipulated by VB program written for this purpose. Using softer material for the seat at head and back contact area reduced the high values of HIC. But high value of HIC is noticed at initial velocity 10 m/sec according to instant conditions affecting the dummy, which refer to the necessity of using airbag besides seatbelts to get convenient degree of protection. The studies performed indicated the importance of using two seatbelts (the lower seatbelt together with the upper one). | ||||
| Keywords | ||||
| Finite Element Analysis; Vehicle Crashworthiness; Head Injury Criterion | ||||
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