语言发音三维生物力学模型的建立及其在言语控制研究中的应用
Modélisation biomécanique tri-dimensionnelle de l'articulateur lingual pour étudier le contrôle de la parole
摘要：
提出了一个人舌的三维生物力学动力学模型，并对该模型进行了详细的阐述，以检验未来关于言语运动控制的假设。在有限元建模（FEM）中考虑了组织弹性特性。有限元网格的设计，以方便实现肌肉的安排在舌头上。因此，它的结构是根据准确的解剖数据确定的。力学上采用超弹性假设。肌肉被建模为一般的力发生器，作用于解剖学上指定的有限元结构的节点集。模拟，使用ANSYS软件，肌肉激活对舌形的影响。
英文摘要：
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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