Modélisation biomécanique tri-dimensionnelle de l'articulateur lingual pour étudier le contrôle de la parole

Details Modélisation biomécanique tri-dimensionnelle de l'articulateur lingual pour étudier le contrôle de la parole Modélisation biomécanique tri-dimensionnelle de l'articulateur lingual pour étudier le contrôle de la parole

2006-10-23

arxiv.org/abs/physics/0610195v1

Actes des 25\`{e}mes Journ\'{e}es d'Etude sur la Parole 2004 & Traitement Automatique du Langage Naturel 2004 JEP-TALN-RECITAL

Physics

Medical Physics

Scientific paper

A 3D biomechanical dynamical model of human tongue is presented, which is elaborated to test in the future hypotheses about speech motor control. Tissue elastic properties are accounted for in Finite Element Modelling (FEM). The FEM mesh was designed in order to facilitate implementation of muscle arrangement in the tongue. Therefore, its structure was determined on the basis of accurate anatomical data. Mechanically, the hypothesis of hyperelasticity was adopted. Muscles are modelled as general force generators that act on anatomically specified sets of nodes of the FEM structure. Simulations, using ANSYS software, of the influence of muscle activations onto the tongue shape are presented.

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