A robust anisotropic hyperelastic formulation for the modelling of soft tissue
Abstract The Holzapfel–Gasser–Ogden (HGO) model for anisotropic hyperelastic behaviour
of collagen fibre reinforced materials was initially developed to describe the elastic …
of collagen fibre reinforced materials was initially developed to describe the elastic …
A phase-field approach to model fracture of arterial walls: theory and finite element analysis
This study uses a recently developed phase-field approach to model fracture of arterial walls
with an emphasis on aortic tissues. We start by deriving the regularized crack surface to …
with an emphasis on aortic tissues. We start by deriving the regularized crack surface to …
The exponentiated Hencky-logarithmic strain energy. Part I: Constitutive issues and rank-one convexity
We investigate a family of isotropic volumetric-isochoric decoupled strain energies F ↦ W_
eH (F):= W _ eH (U):=\left {μ ke^ k ‖ dev _n U ‖^ 2+ κ 2 ke^ k tr (\log U)^ 2 & if\det F> …
eH (F):= W _ eH (U):=\left {μ ke^ k ‖ dev _n U ‖^ 2+ κ 2 ke^ k tr (\log U)^ 2 & if\det F> …
Control of tension–compression asymmetry in Ogden hyperelasticity with application to soft tissue modelling
This paper discusses tension–compression asymmetry properties of Ogden hyperelastic
formulations. It is shown that if all negative or all positive Ogden coefficients are used …
formulations. It is shown that if all negative or all positive Ogden coefficients are used …
On the quasi-incompressible finite element analysis of anisotropic hyperelastic materials
Quasi-incompressible behavior is a desired feature in several constitutive models within the
finite elasticity of solids, such as rubber-like materials and some fiber-reinforced soft …
finite elasticity of solids, such as rubber-like materials and some fiber-reinforced soft …
Modeling of the Achilles subtendons and their interactions in a framework of the absolute nodal coordinate formulation
LP Obrezkov, T Finni, MK Matikainen - Materials, 2022 - mdpi.com
Experimental results have revealed the sophisticated Achilles tendon (AT) structure,
including its material properties and complex geometry. The latter incorporates a twisted …
including its material properties and complex geometry. The latter incorporates a twisted …
On anisotropic elasticity and questions concerning its finite element implementation
We give conditions on the strain–energy function of nonlinear anisotropic hyperelastic
materials that ensure compatibility with the classical linear theories of anisotropic elasticity …
materials that ensure compatibility with the classical linear theories of anisotropic elasticity …
Study on the water bursting law and spatial distribution of fractures of mining overlying strata in weakly cemented strata in West China
Y Li, S Zhang, Y Yang, H Chen, Z Li… - Geomechanics and …, 2022 - koreascience.kr
A study of the evolution of overburden fractures under the solid-fluid coupling state was
conducted based on the geological and mining characteristics of the coal seam depth, weak …
conducted based on the geological and mining characteristics of the coal seam depth, weak …
A homeostatic-driven turnover remodelling constitutive model for healing in soft tissues
E Comellas, TC Gasser… - Journal of the Royal …, 2016 - royalsocietypublishing.org
Remodelling of soft biological tissue is characterized by interacting biochemical and
biomechanical events, which change the tissue's microstructure, and, consequently, its …
biomechanical events, which change the tissue's microstructure, and, consequently, its …
[HTML][HTML] Modelling the slight compressibility of anisotropic soft tissue
In order to avoid the numerical difficulties in locally enforcing the incompressibility constraint
using the displacement formulation of the Finite Element Method, slight compressibility is …
using the displacement formulation of the Finite Element Method, slight compressibility is …