Modeling of the human head under impact conditions : a parametric study.

Auteur(s)
Claessens, M. Sauren, F. & Wismans, J.
Jaar
Samenvatting

A skull-brain finite element model (FEM) of the human head has been developed using digital CT and MRI data. This reference model was validated on the basis of modal characteristics and the transient response. The calculated eigenfrequencies were in the same range as found in literature. The calculated intracranial pressures were comparable to those measured by A.M. Nahum et al (See IRRD 247788). The objective of a parametric study has been to assess the importance of both the geometrical detail to which the components are modeled and the conditions at their interfaces. The authors conclude a proper characterization of the constitutive properties under impact conditions is of the utmost importance. The relative motion at the skull-brain interface has a much larger influence on the intracranial pressures and stresses than the detailed modeling of the structures of the intracranial contents. (A)

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Publicatie

Bibliotheeknummer
C 12134 (In: C 12112 [electronic version only]) /84 / IRRD E201194
Uitgave

In: Proceedings of the 41th Stapp Car Crash conference, Orlando, Florida, November 13-14, 1997, SAE technical paper 973338, p. 315-328, 39 ref.

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