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Application of a new Hill-type bar muscle model: Finite element modeling of the muscle effect on the head-neck kinematics in a frontal impact at 15 g~Preliminary results
Published May 19, 1999 by Society of Automotive Engineers of Japan in Japan
Event: JSAE Spring Conference
Understanding the muscle effect on the head-neck complex biomechanical responses in a car collision requires data on forces generated by muscles during such a collision. In the current study, muscle forces were calculated using Hill-type bar material model previously implemented in the PAM-SAFE finite element code. Long neck muscles were modeled by means of strings of series-connected bars to represent their curving around the cervical vertebrae. The neck model with muscle bars was applied to study the muscle effect on the head-neck kinematics in a frontal impact at acceleration of 15 g for various values of a muscle reflex time. For the reflex time of 50 ms, the current model responses were inside the corridors from experiments using volunteers. For the reflex time of 100 ms, our results were inside the envelopes from tests conducted on cadavers.