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Physically Based Finite Element Model of the Face

  • Giuseppe Barbarino
  • Mahmood Jabareen
  • Juergen Trzewik
  • Edoardo Mazza
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5104)

Abstract

The proposed 3D finite element model of the face aims at a faithful representation of the anatomy, the mechanical interactions between different tissues, and the non linear force deformation characteristics of tissues. Bones and soft tissues were reconstructed from magnetic resonance images. Non linear constitutive equations are implemented in the numerical model. The corresponding model parameters were selected according to previous work with mechanical measurements on soft facial tissue. Model assumptions concerning tissues geometry, mechanical properties and boundary conditions were validated through comparison with measurements of the facial tissue response to gravity loads and to the application of a pressure inside the oral cavity. In particular, parametric studies were carried out in order to quantify the influence of constitutive model parameters of muscles. The model described in this paper might be used for simulation of plastic and reconstructive surgery and for investigation of the physiology and pathology of face deformation.

Keywords

Face numerical modeling validation constitutive equations muscles 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2008

Authors and Affiliations

  • Giuseppe Barbarino
    • 1
  • Mahmood Jabareen
    • 1
  • Juergen Trzewik
    • 2
  • Edoardo Mazza
    • 1
    • 3
  1. 1.Institute of Mechanical Systems, Department of Mechanical and Process EngineeringETH ZurichZurichSwitzerland
  2. 2.Johnson & Johnson MEDICAL GmbHNorderstedtGermany
  3. 3.EMPA, Swiss Federal Laboratory for Materials Testing & ResearchDübendorfSwitzerland

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