Citation

Pipkorn B. Int. J. Crashworthiness 1996; 1(1): 36-49.

Copyright

(Copyright © 1996, Informa - Taylor and Francis Group)

DOI

unavailable

PMID

unavailable

Abstract

A two-dimensional lumped-mass model of the BIOSID dummy was developed to be used as a complement to mechanical simulations. The software used was the crash victim simulation program MADYM02D. The mathematical BIOSID dummy consisted of eleven body parts; head, neck, arm, shoulder rib, thoracic ribs, abdominal ribs, spine, and pelvis. The spine and ribs were connected by a number of non linear springs and dampers. The model was used to evaluate the protective effects of side-airbags and interior padding in automobile side impacts. To validate the mathematical model, the mechanical BIOSID dummy was impacted by a pendulum at various impact speeds. In addition, tests were conducted with padding and pre-inflated airbags on the pendulum. Sled tests at impact velocities of 9 m/s and 6 m/s were also used to validate the model. The tested padding in the mechanical sled tests consisted of 50 mm of compliant padding at the thorax level, and 75 mm of the same padding at the pelvis level. The airbag used was an 8 1 bag at the thorax level with an internal pressure of approximately 1 bar. At the pelvis level it was used with the 75 mm padding. It was found that predictions of the model were in good agreement with the results from the mechanical sled tests. The lumped-mass model of the BIOSID dummy is a good tool for evaluating the protective effect of padding or airbags in the side door.

Language: en