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A finite element study on the behavior of human pelvis under impact through car door

  • Pelvic fracture, cracking or breaking of a portion of the pelvis are extremely common injuries in the side impact collisions of motor vehicles. Due to both its shape and structural architecture, mechanics of the pelvic bone is complicated. There is a lack of knowledge regarding the dynamic behavior of the pelvis and its biomechanical tolerance under impact environment. Hence this study is aimed at the understanding of the mechanical response of the human pelvis with three-dimensional finite element (FE) models, under side impact load, applied through a structure, equivalent to a car door. The door structure was modeled, considering few layers, consisting of foam (Styrodur-®, 3035 CS), plastic (UHMWPE), steel, glass and steel, putting them in series. A soft tissue layer (equivalent to fat) was also considered on the greater trochanter location. These FE models (with and without the car door structure) were analyzed with ANSYS-LS-DYNA-® dynamic finite element software to compare the effect of the car door padding system for shock absorption. It was observed that with proper combination of shock absorbing material (foam, etc.) and its thickness, the transmission of impact load to the body part (pelvis, etc.) from the outer surface of the car door could be reduced.

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Author:S. Majumder, A. Roychowdhury, S. Pal
Document Type:Conference Proceeding
Date of Publication (online):2012/08/01
Contributing corporation:Bengal Engineering College <Howrah>
Release Date:2012/08/01
Tag:Absorption; Autotür; Biomechanik; Energie; Hüfte; Konferenz; Methode der finiten Elemente; Seitlicher Zusammenstoß; Sicherheitspolsterung; Verhalten; Verletzung
Absorption; Behaviour; Biomechanics; Car door; Conference; Energy; Hip (human); Injury; Padding (safety); Side impact; finite element method
Weitere beteiligte Körperschaft: Jadavpur University <Kolkutta>
Source:1st International Conference on ESAR "Expert Symposium on Accident Research", 196-203
Institutes:Sonstige / Sonstige
Dewey Decimal Classification:3 Sozialwissenschaften / 36 Soziale Probleme, Sozialdienste / 360 Soziale Probleme und Sozialdienste; Verbände
collections:BASt-Beiträge / ITRD Sachgebiete / 84 Personenschäden
BASt-Beiträge / Tagungen / International Conference on ESAR / 1st International Conference on ESAR

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