Anisotropic micro-sphere-based finite elasticity applied to blood vessel modelling

V Alastrué, MA Martinez, M Doblaré… - Journal of the Mechanics …, 2009 - Elsevier
A fully three-dimensional anisotropic elastic model for vascular tissue modelling is
presented here. The underlying strain energy density function is assumed to additively …

Simulation of discontinuous damage incorporating residual stresses in circumferentially overstretched atherosclerotic arteries

D Balzani, J Schröder, D Gross - Acta biomaterialia, 2006 - Elsevier
When a balloon-angioplasty is performed, the arterial wall is overstretched and thereby
damaged, which leads to a stiffness reduction in the arterial layers. An anisotropic damage …

A general framework for application of prestrain to computational models of biological materials

SA Maas, A Erdemir, JP Halloran, JA Weiss - journal of the mechanical …, 2016 - Elsevier
It is often important to include prestress in computational models of biological tissues. The
prestress can represent residual stresses (stresses that exist after the tissue is excised from …

Chemo-mechanical modeling of smooth muscle cell activation for the simulation of arterial walls under changing blood pressure

K Uhlmann, D Balzani - Biomechanics and Modeling in Mechanobiology, 2023 - Springer
In this paper, a novel chemo-mechanical model is proposed for the description of the stretch-
dependent chemical processes known as Bayliss effect and their impact on the active …

Fitting mechanical properties of the aortic wall and individual layers to experimental tensile tests including residual stresses

ID Breslavsky, M Amabili - Journal of the Mechanical Behavior of …, 2023 - Elsevier
The authors have observed that a stress-strain curve for uniaxial tension of an aortic intact
wall cannot be simply obtained by combining the strain energy functions of the three …

Application of sensitivity analysis in extension, inflation, and torsion of residually stressed circular cylindrical tubes

H Asghari, H Topol, B Markert, J Merodio - Probabilistic Engineering …, 2023 - Elsevier
This paper deals with applying two main sensitivity analysis (SA) methods, namely, the
Sobol method and the Fourier Amplitude Sensitivity Test (FAST) method on the problem of …

A numerical implementation to predict residual strains from the homogeneous stress hypothesis with application to abdominal aortic aneurysms

S Polzer, J Bursa, TC Gasser, R Staffa… - Annals of biomedical …, 2013 - Springer
Wall stress analysis of abdominal aortic aneurysm (AAA) is a promising method of
identifying AAAs at high risk of rupture. However, neglecting residual strains (RS) in the load …

A phase field approach to fracture for hyperelastic and visco-hyperelastic materials applied to pre-stressed cylindrical structures

A Valverde-González, J Reinoso, NK Jha… - Mechanics of …, 2024 - Taylor & Francis
In this investigation, the mechanical modeling of nonlinear visco-hyperelastic residually
stressed materials obtained from an invariant-based constitutive energy framework is …

A computational model for fiber-reinforced composites: hyperelastic constitutive formulation including residual stresses and damage

NK Jha, J Reinoso, H Dehghani, J Merodio - Computational Mechanics, 2019 - Springer
The computational modelling of fiber-reinforced structures is of prime importance for
automotive products such as tires, airsprings or hoses and for biomechanical applications as …

Computational model for the cell-mechanical response of the osteocyte cytoskeleton based on self-stabilizing tensegrity structures

D Kardas, U Nackenhorst, D Balzani - Biomechanics and modeling in …, 2013 - Springer
The mechanism by which mechanical stimulation on osteocytes results in biochemical
signals that initiate the remodeling process inside living bone tissue is largely unknown …