Open AccessImplémentation éléments finis du modèle hyperélastique anisotrope HGO
Author(s) -
François Peyraut,
Dominique Chamoret,
Samuel Gomes,
Zhi-Qiang Feng
Publication year - 2010
Publication title -
european journal of computational mechanics
Language(s) - English
Resource type - Journals
eISSN - 2642-2085
pISSN - 2642-2050
DOI - 10.13052/ejcm.19.441-464
Subject(s) - hyperelastic material , uniaxial tension , anisotropy , finite element method , perpendicular , tension (geology) , materials science , constitutive equation , homogeneous , structural engineering , composite material , mechanics , physics , engineering , mathematics , geometry , thermodynamics , optics , ultimate tensile strength
Anisotropic hyperelastic constitutive laws are often used to determine strain and stress in biological soft tissues such as ligaments, tendons or arterial walls. In this paper, the implementation of the HGO model in the finite element code FER is presented. Three numerical examples are studied: homogeneous uniaxial tension test where analytical solutions are available; uniaxial tension test highlighting the anisotropic behavior (contracting and swelling of the section in two perpendicular directions); contact and impact between hand and soft biological tissues in the framework of application using a virtual mannequin generator.