J0102-2-1 ヒト骨格筋力学解析のための有限要素シミュレータの開発(次世代生命体統合シミュレーション(2))

概要

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A 3D finite element software devoted to the numerical simulation of both the mechanical behavior of soft tissues and muscle activation is under developed. Its formulation is based on large strains and almost incompressibility of hyperelastic media, in case of passive part of muscles' behavior, while the active one is described by a function of fiber length, shortening velocity and activation level of muscles' fibers. Due to the incompressibility character of the biological soft-tissues, a mixed type displacement-pressure finite element formulation is adopted. One exemplifies with the contraction of a muscle-tendon structure of the back part of a human lower leg. The finite element model represents a real human muscle-tendon complex measured by magnetic resonance imaging device.
社団法人日本機械学会の論文
2009-09-12