Medical imaging data implementation into human FE head modelling and validation

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Sahoo, Debasis¹; Deck, Caroline²; Willinger, Rémy²

Medical imaging data implementation into human FE head modelling and validation

Proceedings of the 2013 International IRCOBI Conference on the Biomechanics of Injury

Affiliations

¹Institute for Fluid and Solid Mechanics, University of Strasbourg, 2 rue Boussingault, Strasbourg, FRANCE.

²University of Strasbourg
Abstract and keywords

The coupling of new medical imaging data, fractional anisotropy and axonal fiber orientation from Diffusion Tensor Imaging (DTI) of 12 healthy patients called the DTI atlas with the Strasbourg University Finite Element Head Model has been done to improve the brain constitutive material law with more efficient improved heterogeneous anisotropic visco‐hyperelastic material law. The robustness was investigated by validating the brain behavior in terms of local brain motion data from Hardy’s PMHS experiments. A reasonable agreement is observed between experimental and simulation data for the complex three‐dimensional brain motion patterns. This study provides a realistic and feasible method for DTI data incorporation into the brain FE model for the next generation of human head FE modelling.

Keywords: Brain anisotropy, DTI, finite element head model, local brain motion
Links

URL: http://www.ircobi.org/downloads/irc13/pdf_files/66.pdf

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