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The purpose of this study was to evaluate the capability of the Total Human Model for Safety (THUMS) – pedestrian model in predicting pedestrian injuries, and to investigate pedestrian injury mechanisms in minivan collisions via numerical reconstruction of a real world minivan-to-pedestrian impact case. Methods: A typical minivan-to-pedestrian collision case was selected from the In-depth Investigation...
The injury outcomes in side impact are correlated to the door trim design, vehicle motion, as well as the side restraint system. A well controlled side intrusion can vastly reduce the injury index of the thorax, abdomen during the side impact. For the safety issue, it is essential to know the sensitivity of side structure's intrusion velocity upon occupant injury in side impact. Objective: This paper...
The objective of this study was to develop a visco-hyperelastic constitutive law for the FE modeling of brain tissue. Material properties of a visco-hyperelastic constitutive model were determined via the application of FE simulations and optimization methodology. Basic FE models were developed according to referred dynamic uniaxial tension tests of brain tissue with uniform strain rates of 30 s-1...
Lower extremities are the most vulnerable parts in vehicle-pedestrian traffic accident. At present, EC78/2009 (European Community.No78/2009) and GTR9 (Global Technical Regulation.No.9) are the major regulations of pedestrian protection. A fixed mass and length of lower leg impact or is applied to predict the lower limb injuries in these regulations. But, in the real world, the pedestrian's body characteristics,...
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