Computed dynamic response of the human thorax from a finite element model.

Auteur(s)
Plank, G. & Eppinger, R.
Jaar
Samenvatting

In the past, the relationships between the dynamic load on the human thorax, simulating automotive crash conditions, and the resulting injuries have been obtained from observations with experimental subjects. In addition, lumped mass-spring-damper models were used to approximate the dynamic responses of the thorax under impact conditions and these were compared with the deflections of cadavers and anthropomorphic test devices. In the work presented here, in an effort to better understand the underlying injury mechanisms, a finite element model of the thorax has been generated and tested utilizing the 3-dimensional finite element code DYNA3D. The thorax was represented by elastic bone, ligament and cartilage, and viscoelastic muscle and interior elements. Input parameters were varid and the sensitivity of the dynamic response to these variations is shown. The dynamic response of the thorax model was compared to available cadaver test data and the resulting strain field was examined and is discussed. (A) For the covering abstract of the conference, see IRRD 837684.

Publicatie

Bibliotheeknummer
C 51307 (In: B 30201 [electronic version only]) /84 / IRRD 837760
Uitgave

In: Twelfth International Conference on Experimental Safety Vehicles, Gothenburg, Sweden, May 29 - June 1, 1989, Volume 1, p. 665-72, 12 ref.

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