Studies about Movement Biofidelity of a Dummy Neck Used in an Impact Testing Device

Abstract:

The paper presents the studies made on a similar biomechanical system composed by neck, head and thorax bones. The main movements analyzed were: axial rotation (left-right), lateral bending (left-right) and flexion-extension movement. After simulation was obtained the entire mechanical behavior based on data tables or diagrams. The models were defined in a CAD environment which includes Adams algorithm for dynamic simulations. The virtual models were obtained starting with CT images made on a living human subject. That virtual model composed by neck and head can be included in complex system (as a car system) and supposed to impact simulations (virtual crash tests). Also was developed a mathematical model based on Lagrange equations for a frontal impact testing cervical system. Our research team built main components of a testing device for dummy car crash neck-head system using anatomical data.

• Periodical: Applied Mechanics and Materials (Volume 371)
• Pages: 539-543
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.371.539
• Online since: August 2013
• Authors: Stefanita Ciunel, Dragos Laurentiu Popa, Nicolae Dumitru
• Keywords: Biomechanics, Car Crash, Head-Neck System, Neck Testing System, Virtual Model

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