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Identification of brains tissue hyperelastic parameters

Kuś W., Poręba-Sebastjan M.

Journal of Applied Mathematics and Computational Mechanics

2018

Vol. 17, nr 3

53--60

The goal of the paper is to correlate real brain deflection with its numerical model as the 3D model of a fragment of the brain and suction pipe. The model is analyzed with the Finite Element Method with use of Ansys software. The brain tissue can undergo large strains, which is why it is described by a hyperelastic material. The Mooney-Rivlin material model is used for numerical analyzes. The inverse problem is solved with use of optimization Non-Linear Programming by Quadratic Lagrangian (NLPQL).