Ronggui LU;Fan LI;Honggeng LI;
Head-neck injury is one of the most common injuries found in vehicle accidents, especially in low–speed collisions. Neck muscle activation affects the dynamic response of head-neck significantly. The aim of the present paper was to develop and validate a neck muscle FE model with passive and active properties that can be used for occupant safety study in lateral impact accidents. The geometry model of neck muscle was reconstructed from MIR images of a fifty percentile male. The model was then combined with a previously developed and well-validated head-neck FE model by means of Kriging method. Passive and active behavior of a single neck muscle was defined by coupling Ogden and Hill material models. The neck muscle FE model was validated against 7g volunteer tests of lateral impact. The results showed that the responses of the neck muscle model were consistent with the test results and muscle activation response had great effects on the head-neck dynamic responses. And this model could be further used for biomechanical studies of occupant head-neck injury in lateral impact accidents.
neck muscle model;;muscle activation;;lateral impact;;dynamic responses
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