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Rest shape computation for highly deformable model of brain.

Fanny Morin 1, 2 Hadrien Courtecuisse 1, 3, 4 Matthieu Chabanas 2 Yohan Payan 2, *
* Corresponding author
2 TIMC-GMCAO - Gestes Medico-chirurgicaux Assistés par Ordinateur
TIMC - Techniques de l'Ingénierie Médicale et de la Complexité - Informatique, Mathématiques et Applications, Grenoble - UMR 5525
3 SHACRA - Simulation in Healthcare using Computer Research Advances
LIFL - Laboratoire d'Informatique Fondamentale de Lille, Inria Lille - Nord Europe, Inria Nancy - Grand Est
Abstract : In medical simulations, finite element (FE) models are often extracted from medical images. This initial geometry usually corresponds to a state of the model at equilibrium between external and internal forces. Therefore, an important issue in biomechanics is to estimate the initial stress of FE model before running a simulation. this paper introduces a biomechanical model of the brain that will be used to model brain-shift during surgery. The initial stress is estimated for this model by taking into account gravity.
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Fanny Morin, Hadrien Courtecuisse, Matthieu Chabanas, Yohan Payan. Rest shape computation for highly deformable model of brain.. Computer Methods in Biomechanics and Biomedical Engineering, Taylor & Francis, 2015, 18 Suppl 1, pp.2006-2007. ⟨10.1080/10255842.2015.1070591⟩. ⟨hal-01217673⟩

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