Hyperelasticity Modeling for Incompressible Passive Biological Tissues

Grégory Chagnon 1 Jacques Ohayon 2 Jean-Louis Martiel 2 Denis Favier 1
1 TIMC-IMAG-BioMMat - Ingénierie Biomédicale et Mécanique des Matériaux
TIMC-IMAG - Techniques de l'Ingénierie Médicale et de la Complexité - Informatique, Mathématiques et Applications, Grenoble - UMR 5525
2 TIMC-IMAG-DyCTiM - Dynamique Cellulaire et Tissulaire- Interdisciplinarité, Modèles & Microscopies
TIMC-IMAG - Techniques de l'Ingénierie Médicale et de la Complexité - Informatique, Mathématiques et Applications, Grenoble - UMR 5525
Abstract : Soft tissues are mainly composed of organised biological media giving them an anisotropic mechanical behavior. Soft tissues also have the ability to undergo large elastic reversible deformations. Many constitutive models were developed to describe these phenomena. In this chapter, we discuss several varying models and their constitutive equations which are defined by means of strain components or strain invariants. The notion of tangent moduli will be plotted for two well-known constitutive equations, and, we will illustrate how to implement explicitly a structural kinematics constraint in a constitutive law to derive the resulting Cauchy stress tensor.
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Submitted on : Wednesday, January 9, 2019 - 9:43:32 AM
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Grégory Chagnon, Jacques Ohayon, Jean-Louis Martiel, Denis Favier. Hyperelasticity Modeling for Incompressible Passive Biological Tissues. Biomechanics of Living Organs, Elsevier, pp.3-30, 2017. ⟨hal-01974109⟩

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