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Volume 17 / Issue 3

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DOI:   10.3217/jucs-017-03-0349


Coordinated System for Real Time Muscle Deformation during Locomotion

Sandra Baldassarri (University of Zaragoza, Spain)

Francisco Seron (University of Zaragoza, Spain)

Abstract: This paper presents a system that simulates, in real time, the volumetric deformation of muscles during human locomotion. We propose a two-layered motion model. The requirements of realism and real time computation lead to a hybrid locomotion system that uses a skeleton as first layer. The muscles, represented by an anatomical surface model, constitute the second layer, whose deformations are simulated with a finite element method (FEM). The FEM subsystem is fed by the torques and forces got from the locomotion system, through a line of action model, and takes into account the geometry and material properties of the muscles. High level parameters (like height, weight, physical constitution, step frequency, step length or speed) allow to customize the individuals and the locomotion and therefore, the deformation of the persons' muscles.

Keywords: animation, finite element method, human locomotion, muscle deformation

Categories: G.1.10, I.3, I.6